diff --git "a/DBLP_GoogleScholar/train.jsonl" "b/DBLP_GoogleScholar/train.jsonl"
new file mode 100644--- /dev/null
+++ "b/DBLP_GoogleScholar/train.jsonl"
@@ -0,0 +1,6414 @@
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: making smalltalk a database system. authors: gp copeland. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: vldb. year: 1995", "productB": "title: query processing in deductive databases with incomplete information. authors: t imielinski. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: an overview and classification of mediated query systems. authors: r domenig , k dittrich. venue: sigmod record. year: 1999", "productB": "title: a patent search and classification system. authors: ls larkey. venue: nan. year: nan", "same": false}
+{"productA": "title: database research at ut arlington. authors: s chakravarthy , y aslandogan , r elmasri , l fegaras , j oh. venue: sigmod record. year: 2003", "productB": "title: database research at at & t bell laboratories. authors: m sudarshan. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization of client-site userdefined functions. authors: t mayr , p seshadri. venue: proc . acm sigmod. year: nan", "same": false}
+{"productA": "title: distributed file organization with scalable cost/performance. authors: r vingralek , y breitbart , g weikum. venue: sigmod conference. year: 1994", "productB": "title: a simple bounded disorder file organization with good performance. authors: db lomet. venue: acm transactions on database systems ,. year: 1988.0", "same": false}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: storage reclamation in object-oriented database systems. authors: mh butler. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy , i manolescu , d suciu. venue: sigmod conference. year: 1999", "productB": "title: query optimization in the presence of top-k predicates. authors: lp mahalingam , ks candan. venue: nan. year: nan", "same": false}
+{"productA": "title: analysis of predictive spatio-temporal queries. authors: y tao , j sun , d papadias. venue: acm trans . database syst .. year: 2003", "productB": "title: a notation for spatiotemporal queries. authors: vj tsotras , cs jensen , rt snodgrass. venue: acm sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: whatever happened to object-oriented databases ?. authors: n leavitt. venue: nan. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: shrex : managing xml documents in relational databases. authors: f du , s amer-yahia , j freire. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: a multidatabase system for tracking and retrieval of financial data. authors: m cochinwala , j bradley. venue: vldb. year: 1994", "productB": "title: retrieval and delivery of information in multimedia database systems. authors: wi grosky , r mehrotra. venue: information software technology ,. year: nan", "same": false}
+{"productA": "title: using probabilistic information in data integration. authors: d florescu , d koller , a levy. venue: vldb. year: 1997", "productB": "title: the information manifold approach to data integration. authors: a levy. venue: nan. year: nan", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: qursed : querying and reporting semistructured data. authors: y papakonstantinou , m petropoulos , v vassalos. venue: sigmod conference. year: 2002", "productB": "title: storing semistructured datawith stored. authors: a deutsch , m fernandez , d suciu. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: fast parallel similarity search in multimedia databases. authors: s berchtold , c b\u0456hm , b braunm\u045cller , d keim , h kriegel. venue: sigmod conference. year: 1997", "productB": "title: speeding up the similarity search in multimedia database .. authors: t chen , m nakazato , ts huang. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental maintenance of externally materialized views. authors: m staudt , m jarke. venue: vldb. year: 1996", "productB": "title: incremental maintenance of schema-restructuring views in schemasql. authors: a koeller , ea rundensteiner. venue: knowledge and data engineering , ieee transactions on ,. year: 2004.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: a foundation for multi-dimensional databases. authors: m gyssens , lvs lakshmanan. venue: nan. year: nan", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: distributed database management. authors: jb rothnie. venue: vldb ,. year: 1978.0", "same": false}
+{"productA": "title: a system for keyword proximity search on xml databases. authors: a balmin , v hristidis , n koudas , y papakonstantinou , d srivastava , t wang. venue: vldb. year: 2003", "productB": "title: a system for watermarking relational databases. authors: r agrawal , pj haas , j kiernan. venue: nan. year: nan", "same": false}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: index concurrency control in firm real-time databases. authors: sr narayanan. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: iterative spatial join. authors: e jacox , h samet. venue: acm trans . database syst .. year: 2003", "productB": "title: multiway spatial joins. authors: n mamoulis , d papadias. venue: acm transactions on database systems ,. year: 2001.0", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: an introduction to spatial database systems. authors: rh gtlting. venue: spatial database systems of the vldb journal ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast online dynamic association rule mining. authors: yk woon , wk ng , a das. venue: nan. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: dj rog , d fournier. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: on efficiently implementing schemasql on an sql database system. authors: l lakshmanan , f sadri , s subramanian. venue: vldb. year: 1999", "productB": "title: selecting and implementing an embedded database system. authors: ma olson. venue: nan. year: nan", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: data densification in a relational database system. authors: a gupta , s subramanian , s bellamkonda , t bozkaya ,. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: database research at nthu and itri. authors: a chen. venue: sigmod record. year: 1994", "productB": "title: database research at the university of twente. authors: pmg apers , h balsters , hm blanken , ra de by , maw. venue: acm sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: spotfire : an information exploration environment. authors: c ahlberg. venue: sigmod record. year: 1996", "productB": "title: virtual planetary exploration : a very large virtual environment. authors: le hitchner. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editor 's introduction : software metrics. authors: tm khoshgoftaar , p oman. venue: computer ,. year: 1994.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2001", "productB": "title: reminiscences of an indian official. authors: o cavenagh. venue: nan. year: 1884.0", "same": false}
+{"productA": "title: mining system audit data : opportunities and challenges. authors: w lee , w fan. venue: sigmod record. year: 2001", "productB": "title: xml full-text search : challenges and opportunities. authors: s amer-yahia , j shanmugasundaram. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: panel on next generation database systems wo n't work without semantics !. authors: j mylopoulos. venue: sigmod conference. year: 1998", "productB": "title: a model of authorization for next-generation database systems. authors: r fausto , b elisa , k won , w darrell. venue: acm trans on database systems ,. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: report on the object-oriented database workshop : implementation aspects ( oopsla '87 workshop ) .. authors: acms anthology. venue: sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: probview : a flexible probabilistic database system. authors: l lakshmanan , n leone , r ross , v subrahmanian. venue: acm trans . database syst .. year: 1997", "productB": "title: probabilistic temporal databases , part i : algebra. authors: a dekhtyar , r ross , vs subrahmanian. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: query processing strategies in the pascal/r relational database management system. authors: m jarke , jw schmidt. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: parallel algorithms for high-dimensional similarity joins for data mining applications. authors: j shafer , r agrawal. venue: vldb. year: 1997", "productB": "title: automatic subspace clustering of high dimensional data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: efficient and effective clustering methods or spatial data mining. authors: r ng , j han. venue: proc . 1994 int . conf . very large data bases , pages144 { 155 ,. year: nan", "same": false}
+{"productA": "title: query processing techniques for multiversion access methods. authors: j bercken , b seeger. venue: vldb. year: 1996", "productB": "title: techniques for design and implementation of efficient spatial access methods. authors: b seeger , hp kriegel. venue: vldb ,. year: 1988.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: implementation of logical query languages for databases. authors: jd ullman. venue: acm transactions on database systems ,. year: 1985.0", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: beyond relational databases. authors: ms jackson. venue: information and software technology ,. year: 1990.0", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: continuous queries over append-only databases. authors: dtd goldberg , d nichols , b oke. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: fast algorithmsforminingassociation rules. authors: ra ramakrishnansrikant. venue: proceedings of the 20th vldb conference ,. year: nan", "same": false}
+{"productA": "title: analysis of navigation behaviour in web sites integrating multiple information systems. authors: b berendt , m spiliopoulou. venue: vldb j.. year: 2000", "productB": "title: architecture of integrated information systems. authors: aw scheer. venue: nan. year: 1992.0", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: real-time database systems : issues and approaches. authors: sh son. venue: acm sigmod. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: eic editorial. authors: ps yu. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: infosphere project : system support for information flow applications. authors: c pu , k schwan , j walpole. venue: sigmod record. year: 2001", "productB": "title: dbcache : a project on database caching support for web applications. authors: c mohan. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: 9th international conference on automated deduction. authors: e lusk , r overbeek. venue: nan. year: 1989.0", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: continuously adaptive continuous queries over streams. authors: s madden , ma shah , jm hellerstein. venue: nan. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: an efficient algorithm for mining association in large databases. authors: a savasere , e omiecinski , s navathe. venue: nan. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: texor : temporal xml database on an object-relational database system. authors: k n\u00e3 \u00b8 rvag , m limstrand , l myklebust. venue: submitted for publication ,. year: 2002.0", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: mj : a rational module system for java and its applications. authors: j corwin , df bacon , d grove , c murthy. venue: nan. year: nan", "same": false}
+{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: l zeng , b benatallah , p nguyen , a ngu. venue: vldb. year: 2001", "productB": "title: a bt enterprise configuration management system. authors: sr moor , ke gleen , j gunne-braden. venue: bt technology journal ,. year: 1997.0", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: event specification in an object-oriented database. authors: nh gehani , hv jagadish , o shmueli. venue: proceedings international conference on management of. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a visual language for object-oriented databases .. authors: if cruz. venue: international conference on management of data ,. year: nan", "same": false}
+{"productA": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , m b\u0456hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: temporal databases. authors: i ahn , r snodgrass. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: efficient evaluation of xml middle-ware queries. authors: m fernandez , a morishima , d suciu. venue: sigmod conference. year: 2001", "productB": "title: efficient optimization of a class of relational queries. authors: av aho , y sagiv , jd ullman. venue: acm tods. year: nan", "same": false}
+{"productA": "title: toward network data independence. authors: j hellerstein. venue: sigmod record. year: 2003", "productB": "title: data description for data independence. authors: wc mcgee. venue: acm sigmod record ,. year: 1969.0", "same": false}
+{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: 1997", "productB": "title: jo querying heterogeneous information sources using source descriptions. authors: ay levy , a rajaraman. venue: proceedings of the 22th international conference on very. year: nan", "same": false}
+{"productA": "title: fast parallel similarity search in multimedia databases. authors: s berchtold , c b\u0456hm , b braunm\u045cller , d keim , h kriegel. venue: sigmod conference. year: 1997", "productB": "title: fast nearest neighbor search in medical image databases. authors: f korn , c faloutsos , e siegel , z protopapas. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: estimation of count queries in relational databases. authors: wc hou , g ozsoyoglu , e dogdu. venue: acm sigmod conference , may ,. year: nan", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: query language approach based on the deductive object-oriented database paradigm. authors: t niemi , m christensen. venue: nan. year: nan", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: transactions in relational databases. authors: s abiteboul , v vianu. venue: proc . 10th znt . co @ very large data bases , singapore ,. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: rule management in objectoriented database systems. authors: o diaz , nw paton , pmd gray. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: methodology for index configurations in object-oriented databases. authors: ks sang , jl yoon. venue: information sciences ,. year: 1996.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: a user-centered interface for querying distributed multimedia databases. authors: if cruz , km james. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: storing semistructured datawith stored. authors: a deutsch , m fernandez , d suciu. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance for materialized xpath/xslt views. authors: m onizuka , fy chan , r michigami , t honishi. venue: nan. year: nan", "same": false}
+{"productA": "title: t2 : a customizable parallel database for multi-dimensional data. authors: c chang , a acharya , a sussman , j saltz. venue: sigmod record. year: 1998", "productB": "title: a foundation for multi-dimensional databases. authors: m gyssens , lvs lakshmanan. venue: nan. year: nan", "same": false}
+{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: sigmod conference. year: 1998", "productB": "title: optimization of multi-way join queries. authors: h lu , mc shan , kl tan. venue: proceedings of the 17th interational conference on. year: nan", "same": false}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb. year: 2000", "productB": "title: sequence query processing proc. authors: p sheshadri , m livny , r ramakrishnan. venue: acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: the architecture of an active database management system. authors: u dayal , d mccarthy. venue: acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: advances in databases and information systems ( adbis ). authors: a caplinskas , j eder , o vasilecas. venue: sigmod record. year: 2002", "productB": "title: information retrieval in databases. authors: b aditya. venue: b. tech . project , iit-bombay ,. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: rc nicol. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to structured modeling. authors: am geoffrion. venue: management science ,. year: 1987.0", "same": false}
+{"productA": "title: versioning and configuration management in an object-oriented data model. authors: e sciore. venue: vldb j.. year: 1994", "productB": "title: index configuration in object-oriented databases. authors: e bertino. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: query processing in the objectstore database system. authors: ja orenstein , s haradhvala , b margulies , d. venue: nan. year: nan", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: event specification in an active object-oriented database. authors: nh gehani , hv jagadish , o shmueli. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: object-oriented querrying of existing relational databases. authors: da keim , hp kriegel , a miethsam. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient exploration of large scientific databases. authors: e stolte , g alonso. venue: vldb. year: 2002", "productB": "title: efficiently monitoring relational databases. authors: op buneman , ek clemons. venue: acm transactions on database systems ( tods ) ,. year: 1979.0", "same": false}
+{"productA": "title: idea : interactive data exploration and analysis. authors: p selfridge , d srivastava , l wilson. venue: sigmod conference. year: 1996", "productB": "title: iteration and abstract data types. authors: jd eckart. venue: acm sigplan notices ,. year: 1987.0", "same": false}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: an annotated bibliography on object-orientation and deduction. authors: s conrad. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: homer : a model-based case tool for data-intensive web sites. authors: p merialdo , p atzeni , m magnante , g mecca , m. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: stochastic query optimization in distributed databases. authors: pe drenick , ej smith. venue: acm transactions on database systems ( tods ) ,. year: 1993.0", "same": false}
+{"productA": "title: recovering information from summary data. authors: c faloutsos , h jagadish , n sidiropoulos. venue: vldb. year: 1997", "productB": "title: handling summary information in a database denvability. authors: h sato. venue: proc acm. year: nan", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: view relevance driven materialized view selection in data warehousing environment. authors: , s vadapalli , k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: a framework for expressing and combining preferences. authors: r agrawal , e wimmers. venue: sigmod conference. year: 2000", "productB": "title: a framework for learning constraints. authors: s padmanabhuni , jh you , a ghose. venue: procs . of workshop on induction of complex representations , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental computation of nested relational query expressions. authors: l b\u0446kgaard , l mark. venue: acm trans . database syst .. year: 1995", "productB": "title: incremental maintenance of nested relational views. authors: j liu , mw vincent , m mohania. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to the unified data language udl. authors: cj date. venue: proceedings 6th international conference on vldb ( montreal ,. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: seq : design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: computer sciences technical report-university of wisconsin & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: integrating reliable memory in databases. authors: w ng , p chen. venue: vldb. year: 1997", "productB": "title: integrity checking in deductive databases. authors: r kowalsky , f sadri , p soper. venue: proc . of the 13th vldb , brighton ,. year: nan", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: query flocks : a generalization of association-rule mining. authors: s abitboul , c clifton , r motwani , s nestorov , d. venue: & hellip ; of the acm international conference on management of data (. year: nan", "same": false}
+{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: c fung , k karlapalem , q li. venue: vldb j.. year: 2003", "productB": "title: query optimization using horizontal class partitioning in object oriented databases. authors: l bellatreche , k karlapalem , a simonet. venue: nan. year: nan", "same": false}
+{"productA": "title: continually evaluating similarity-based pattern queries on a streaming time series. authors: l gao , x wang. venue: sigmod conference. year: 2002", "productB": "title: on similarity-based queries for time series data. authors: d rafiei. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: processing temporal queries in the context of object-oriented databases. authors: l wang , m wing , c davis , n revell. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm transactions on database systems ,. year: 1994.0", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: a fondationfor multidimensional databases. authors: m gyssens , l lakshmanan. venue: proceedings of the 23rd vldb. year: nan", "same": false}
+{"productA": "title: context-based prefetch - an optimization for implementing objects on relations. authors: p bernstein , s pal , d shutt. venue: vldb j.. year: 2000", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: n kabra , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: n wall. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: secure processing in real-time database systems. authors: b george , j haritsa. venue: proc . of acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: efficient filtering of xml documents with xpath expressions. authors: c chan , p felber , m garofalakis , r rastogi. venue: vldb j.. year: 2002", "productB": "title: efficient evaluation of regular path expressions on streaming xml data. authors: z ives , a levy , d weld. venue: submitted for publication ,. year: 2000.0", "same": false}
+{"productA": "title: association rules over interval data. authors: r miller , y yang. venue: sigmod conference. year: 1997", "productB": "title: mining association rules from quantitative data. authors: tp hong , cs kuo , sc chi. venue: intelligent data analysis ,. year: 1999.0", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: privacy preserving olap. authors: r agrawal , r srikant , d thomas. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: semantic integration in heterogeneous databases using neural networks. authors: ws li , c clifton. venue: vldb ,. year: 1994.0", "same": false}
+{"productA": "title: the naos system. authors: c collet , t coupaye. venue: sigmod conference. year: 1995", "productB": "title: the xtr public key system. authors: ak lenstra , er verheul. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: towards event-driven modelling for database design. authors: m teisseire , p poncelet , r cicchetti. venue: vldb. year: 1994", "productB": "title: towards a formal approach for object database design. authors: p poncelet , m teisseire , r cicchetti , l lakhal. venue: nan. year: nan", "same": false}
+{"productA": "title: materialized view selection and maintenance using multi-query optimization. authors: h mistry , p roy , s sudarshan , k ramamritham. venue: sigmod conference. year: 2001", "productB": "title: materialized view selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb ,. year: 1997.0", "same": false}
+{"productA": "title: privacy-enhanced data management for next-generation e-commerce. authors: nan. venue: nan. year: 2003", "productB": "title: communication management experiences in e-commerce. authors: f valera , jel de vergara , ji moreno , va villagra ,. venue: communications-acm ,. year: 2001.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: agrawal , r. ; srikant , r. : fast algorithms for mining association rules. authors: s agrawal. venue: proceedings of the 20th international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: pixel-oriented database visualizations. authors: d keim. venue: sigmod record. year: 1996", "productB": "title: delaunay : a database visualization system. authors: ifcm averbuch. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: an adaptive algorithm for incremental evaluation of production rules in databases. authors: f fabret , m regnier , e simon. venue: nan. year: nan", "same": false}
+{"productA": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b sreenath , s seshadri. venue: vldb. year: 1994", "productB": "title: the x-tree : an index structure for high-dimensional data . 22 ndint. authors: sd berchtold , d keim , hp kriegel. venue: conf . on very large data bases ,. year: nan", "same": false}
+{"productA": "title: efficient concurrency control for broadcast environments. authors: j shanmugasundaram , a nithrakashyap , r sivasankaran , k ramamritham. venue: sigmod conference. year: 1999", "productB": "title: concurrency control for high contention environments. authors: pa franaszek , jt robinson , a thomasian. venue: acm transactions on database systems ,. year: 1992.0", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: a taxonomy for secure object-oriented databases. authors: ms olivier , sh von solms. venue: acm transactions on database systems ,. year: 1994.0", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?dynamat : a dynamic view management system for data warehouses\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: y kotidis , n roussopoulos. venue: proc . of the acm sigmod. year: nan", "same": false}
+{"productA": "title: automatic discovery of language models for text databases. authors: j callan , m connell , a du. venue: sigmod conference. year: 1999", "productB": "title: the efficiency of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: ordered shared locks for real-time databases. authors: d agrawal , a abbadi , r jeffers , l lin. venue: vldb j.. year: 1995", "productB": "title: overview of real-time databases. authors: m overloads. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing techniques for multiversion access methods. authors: j bercken , b seeger. venue: vldb. year: 1996", "productB": "title: access methods for multiversion data. authors: bj salzberg , d lomet. venue: acmsigmod international conference on the management of. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: research activities in database management and information retrieval at the university of illinois at chicago. authors: i cruz , a khokhar , b liu , a sistla , o wolfson , c yu. venue: sigmod record. year: 2002", "productB": "title: database research activities at the university of wisconsin. authors: h boral , dj dewitt , rh katz , a klug. venue: acm sigmod record ,. year: 1982.0", "same": false}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: integrity constraint in deductive databases. authors: ra kowalski , f sadri , p soper. venue: proceedings of the 13th vldb conference , brighton. year: nan", "same": false}
+{"productA": "title: implementing database operations using simd instructions. authors: j zhou , k ross. venue: sigmod conference. year: 2002", "productB": "title: benchmarking simple database operations. authors: wrms kubicar , r cattell. venue: acm sigmod , may ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: sample large databases for association rules. authors: h toivonen. venue: proceedings of the 22nd international conference on very. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 1999", "productB": "title: sigcas chair 's message. authors: cd martin. venue: computers and society ,. year: nan", "same": false}
+{"productA": "title: an xml-based wrapper generator for web information extraction. authors: l liu , w han , d buttler , c pu , w tang. venue: sigmod conference. year: 1999", "productB": "title: wrapper generation for semi-structured information sources. authors: n asish , c knoblock. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: active views for electronic commerce. authors: s abiteboul , b amann , s cluet , a eyal , l mignet , t milo. venue: vldb. year: 1999", "productB": "title: special section on electronic commerce. authors: a dogac. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: dwms : data warehouse management system. authors: n mohan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: k n\u0458rv\u0445g. venue: vldb. year: 1999", "productB": "title: effective clustering of complex data in object-oriented database systems. authors: j cheng , ar hurson. venue: proceedings acm sigmod , pages ,. year: nan", "same": false}
+{"productA": "title: vqbd : exploring semistructured data. authors: s chawathe , t baby , j yeo. venue: sigmod conference. year: 2001", "productB": "title: inferring structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: knowledge-based query processing. authors: m hammer , sb zdonik. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: a visual language for object-oriented databases. authors: cif doodle. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: qos management in distributed real-time databases. authors: y wei , sh son , ja stankovic , kd kang. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: xquery implementation in a relational database system. authors: s pal , i cseri , o seeliger , m rys , g schaller , w. venue: submitted for. year: nan", "same": false}
+{"productA": "title: electronic commerce : tutorial. authors: n adam , y yesha. venue: sigmod conference. year: 1998", "productB": "title: special section on electronic commerce. authors: a dogac. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: on the computation of relational view complements. authors: j lechtenb\u0456rger , g vossen. venue: acm trans . database syst .. year: 2003", "productB": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , jf. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: advances in databases and information systems ( adbis ). authors: a caplinskas , j eder , o vasilecas. venue: sigmod record. year: 2002", "productB": "title: diagrams in an elementary mathematical data model . advances in databases and information systems. authors: c manca\u00e5 ?. venue: proc . of the 6th east-european conference adbis ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: introduction. authors: rm keesing. venue: see herdt ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining frequent closed itemsets. authors: j pei , j han , r mao. venue: proc . of the 2000 acm-sigmod int\u00e2 ?? l conf . on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: information director 's message. authors: nan. venue: nan. year: 2000", "productB": "title: fact division chair 's message. authors: ak gupta , d mahr. venue: nan. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: the architecture of an active data base management system. authors: dr mccarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: an approach to implementing a relational data management system. authors: jb rothnie jr. venue: proceedings of the 1974 acm sigfidet ( now sigmod ) workshop & hellip ; ,. year: 1974.0", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: translating update operations from relational to object-oriented databases. authors: pm reppert , fd morgan , mn toksoz , x zhang , j fong. venue: information and software technology ,. year: 2000.0", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: an overview of three commercial object-oriented database management systems : ontos , objectstore , and. authors: v soloviev. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: ranksql : supporting ranking queries in relational database management systems. authors: c li , ma soliman , kcc chang , if ilyas. venue: vldb , demonstration ,. year: 2005.0", "same": false}
+{"productA": "title: temporal fds on complex objects. authors: j wijsen. venue: acm trans . database syst .. year: 1999", "productB": "title: implementation techniques of complex objects. authors: p valduriez , gp copeland. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: architectures for internal web services deployment. authors: o shmueli. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: lh * s : a high-availability and high-security scalable distributed data structure. authors: w litwin , ma neimat. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: space optimization in deductive databases. authors: a baltrunas , d srivastava , s sudarshan , r. venue: acm transactions on database systems ,. year: 1995.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editors ' notes. authors: c knapper , s piccinin. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: watermark relational databases. authors: r agrawal , j kiernan. venue: proc . of the 28th inter . conf . on very large data bases ,. year: nan", "same": false}
+{"productA": "title: parallel database systems 101. authors: j gray. venue: sigmod conference. year: 1995", "productB": "title: dataflow parallel database systems. authors: n podhorszki , p kacsuk. venue: nan. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: storing semistructured data with stored. authors: admfd suciu. venue: proc of the acm sigmod international conference on & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: z chen , h jagadish , l lakshmanan , s paparizos. venue: vldb. year: 2003", "productB": "title: tree logical classes for efficient evaluation of xquery. authors: s paparizos , y wu , lvs lakshmanan , hv jagadish. venue: proc . sigmod conf ,. year: 2004.0", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: data abstractions for database systems. authors: pc lockemann , hc mayr , wh weil , wh wohlleber. venue: acm transactions on database systems ,. year: 1979.0", "same": false}
+{"productA": "title: parallel database systems in the 1990 's. authors: m carey. venue: sigmod conference. year: 1994", "productB": "title: parallelism and recovery in database systems. authors: r bayer , h heller , a reiser. venue: acm transactions on database systems ,. year: 1980.0", "same": false}
+{"productA": "title: the drill down benchmark. authors: p boncz , t r\u045chl , f kwakkel. venue: vldb. year: 1998", "productB": "title: the 007 benchmark. authors: mj carey , dj dewitt , jf naughton. venue: proceedings of the 1993 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: a foundation for multi-dimensional databases . in : dayal u , gray pmd , nishio s eds. authors: m gyssens , lvs lakshmanan. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: aurora : a new model and architecture for data stream management. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , s lee , m stonebraker , n tatbul , s zdonik. venue: vldb j.. year: 2003", "productB": "title: architectures for object data management. authors: ja orenstein. venue: nan. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: new directions for uncertainty reasoning in deductive databases. authors: u guntzer , w kieling , h thone. venue: proc . acm sigmod. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: te cyrs. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: some recent developments in deductive databases. authors: s tsur. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: informix under control : online query processing. authors: jm hellerstein , r avnur , v raman. venue: data mining and knowledge discovery ,. year: 2000.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: an annotation management system for relational databases. authors: d bhagwat , l chiticariu , wc tan , g vijayvargiya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the database language gem. authors: c zamolo. venue: proceedmgs of 1983 acm sigmod conference , ( may. year: nan", "same": false}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: dataguides : enabling query formulation and optimization in semi-structured database. authors: r goldman , j widom. venue: proc . int\u00e2 ?? l conf on vldb ,. year: nan", "same": false}
+{"productA": "title: extracting entity profiles from semistructured information spaces. authors: r nado , s huffman. venue: sigmod record. year: 1997", "productB": "title: hierarchical wrapper induction for semistructured information sources. authors: i muslea , s minton , ca knoblock. venue: autonomous agents and multi-agent systems ,. year: 2001.0", "same": false}
+{"productA": "title: serfing the web : web site management made easy. authors: e rundensteiner , k claypool , l chen , h su , k oenoki. venue: sigmod conference. year: 2000", "productB": "title: serfing the web : a comprehensive approach for web site management. authors: ea rundensteiner , kt claypool , l chen , h su , k. venue: demo session proceedings of sigmod\u00e2 ?? 00 ,. year: nan", "same": false}
+{"productA": "title: an approximate search engine for structural databases. authors: j wang , x wang , d shasha , b shapiro , k zhang , x zheng , q ma , z weinberg. venue: sigmod conference. year: 2000", "productB": "title: an efficient index structure for string databases. authors: t kahveci , ak singh. venue: vldb ,. year: 2001.0", "same": false}
+{"productA": "title: influencing database language standards. authors: l gallagher. venue: sigmod record. year: 1994", "productB": "title: the database language gem. authors: c zamolo. venue: proceedmgs of 1983 acm sigmod conference , ( may. year: nan", "same": false}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: database research at the university of oklahoma. authors: lb le gruenwald , r dirckze , s guinepain , c sanchez. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: tokuyamat ( 1996 ) mining optimized association rules for numeric attributes. authors: my fukudat , s morishita. venue: proc . 15th acm sigact-sigmod-sigart symposium on principles. year: nan", "same": false}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: efficient processing of spatial joins using r-trees , acm sigmod intl. authors: t brinkhoff , hp kriegel , b seeger. venue: conference on management of data ,. year: nan", "same": false}
+{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: p roy , s seshadri , a silberschatz , s sudarshan , s ashwin. venue: vldb j.. year: 1998", "productB": "title: schema evolution in object-oriented databases systems using class versionning. authors: s monk , i sommerville. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editor 's introduction. authors: y singer. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: data allocation in distributed database systems. authors: pmg apers. venue: acm transactions on database. year: 1988.0", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining association rules. authors: r agrawal , r srikant. venue: proc . of the 21 stvldb conf . zurich switzerland ,. year: nan", "same": false}
+{"productA": "title: adaptive selectivity estimation using query feedback. authors: c chen , n roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: selectivity estimation for boolean queries. authors: z chen , s muthukrishnan. venue: nan. year: nan", "same": false}
+{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: w li , c clifton. venue: vldb. year: 1994", "productB": "title: c lustering d atabase o bjects for s emantic i ntegration of h eterogeneous d atabases. authors: h zhao , s ram. venue: nan. year: nan", "same": false}
+{"productA": "title: exploratory mining via constrained frequent set queries. authors: r ng , l lakshmanan , j han , t mah. venue: sigmod conference. year: 1999", "productB": "title: et ai . exploratory mining and pruning optimizations of constrained associations rules. authors: nrl lvs , j han. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: optimization of run-time management of data intensive web-sites. authors: d florescu , a levy , d suciu , k yagoub. venue: vldb. year: 1999", "productB": "title: declarative specification of data-intensive web sites. authors: m fernandez. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: srikant . r. fast algorithms for mining association rules. authors: r agrawal. venue: & hellip ; conference very large databases , santiago , chile. year: nan", "same": false}
+{"productA": "title: data mining : concepts and techniques - book review. authors: f galiano , n mar\u044dn. venue: sigmod record. year: 2002", "productB": "title: data mining : concepts and techniques. authors: h jiawei , k micheline. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: modeling high-dimensional index structures using sampling. authors: c lang , a singh. venue: sigmod conference. year: 2001", "productB": "title: high-dimensional index structures , proc. authors: s berchtold , da keim. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: research in knowledge base management systems. authors: g wiederhold , sj kaplan , d sagalowicz. venue: acm sigmod record ,. year: 1981.0", "same": false}
+{"productA": "title: query processing over object views of relational data. authors: g fahl , t risch. venue: vldb j.. year: 1997", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: mining association rules in entity-relationship modeled databases. authors: l cristofor , d simovici. venue: nan. year: nan", "same": false}
+{"productA": "title: what is the data warehousing problem ? ( are materialized views the answer ? ). authors: a gupta , i mumick. venue: vldb. year: 1996", "productB": "title: olap , data warehousing , and materialized views : a survey. authors: aa vaisman. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: query algebra and optimization for relational top-k queries. authors: c li , k chang , i ilyas , s song. venue: nan. year: 2005.0", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: mdas : heterogeneous distributed database management system. authors: bc desai , r pollock. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p seshadri. venue: vldb j.. year: 1994", "productB": "title: the fact system. authors: i horrocks. venue: lecture notes in computer science ,. year: 1998.0", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: sampling large databases for finding association rules. authors: h toivonen. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: the role of integrity constraints in database interoperation. authors: mww vermeer , pmg apers. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: kr dittrich , s gatziu , a geppert. venue: rules in database systems ,. year: 1995.0", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: dwms : data warehouse management system. authors: n mohan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: answering queries with useful bindings. authors: c li , e chang. venue: acm transactions on database systems ,. year: 2001.0", "same": false}
+{"productA": "title: illuminating the dark side of web services. authors: m brodie. venue: vldb. year: 2003", "productB": "title: the future of web services. authors: nj davies , d fensel , m richardson. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continuous queries over append-only databases. authors: db terry , d goldberg , d nichols , bm oki. venue: nan. year: nan", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: parametric query optimization : a non-geometric approach. authors: svum rao. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: efficient index structures for string databases. authors: t kahveci , a singh. venue: vldb. year: 2001", "productB": "title: efficiently mining long patterns from databases. authors: j roberto. venue: acm sigmod international conference on management of data ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: repositories and object oriented databases. authors: pa bernstein. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u00e3az , a jaime. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: a concurrency control protocol for read-only transactions in real-time secure database systems. authors: h han , s park , c park. venue: nan. year: nan", "same": false}
+{"productA": "title: index concurrency control in firm real-time database systems. authors: b goyal , j haritsa , s seshadri , v srinivasan. venue: vldb. year: 1995", "productB": "title: system-level concurrency control for distributed database systems acm trans. authors: d rosenkrantz , r stearns , p lewis. venue: database syst ,. year: nan", "same": false}
+{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: n kabra , d dewitt. venue: vldb j.. year: 1999", "productB": "title: optimization of extended database query languages. authors: t seuis , l shapiro. venue: acm sigmod international conference on the management of. year: nan", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: interoperability in multidatabase systems. authors: d mcleod , a sheth. venue: tutorial notes-the 20th vldb conference , september ,. year: nan", "same": false}
+{"productA": "title: asset : a system for supporting extended transactions. authors: a biliris , s dar , n gehani , h jagadish , k ramamritham. venue: sigmod conference. year: 1994", "productB": "title: aformalism for extended transaction models. authors: pkck ramamritam. venue: proc . of 17th vldb conference ,. year: nan", "same": false}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: integrity checking in deductive databases. authors: r kowalsky , f sadri , p soper. venue: proc . of the 13th vldb , brighton ,. year: nan", "same": false}
+{"productA": "title: on views and xml. authors: s abiteboul. venue: sigmod record. year: 1999", "productB": "title: objects and views. authors: s abitboul , a bonner. venue: proceedings acm sigmod symposium on the management of data ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: grid data services\u00e2 ?? relational database management systems. authors: b collins , a borley , n hardman , a knox , s laws , j. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: subspace clustering of high dimensional data. authors: c domeniconi , d papadopoulos , d gunopulos , s ma. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules. authors: d xin , j han , x li , b wah. venue: proc . int . conf . on very large databases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: architecture and design of the eks deductive database system. authors: p bayer , a lefebvre , l vieille. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: communication efficient distributed mining of association rules. authors: a schuster , r wolff. venue: sigmod conference. year: 2001", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: aseos navathe. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the 18th british national conference on databases ( bncod ). authors: nan. venue: nan. year: 2002", "productB": "title: report on the 1st international symposium on the applications of constraint databases ( cdb\u00e2 ?? 04 ). authors: b kuijpers , p revesz. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: query processing strategies in the pascal/r relational database management system. authors: m jarke , jw schmidt. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: mining association rules between sets of items in large database. authors: ra may. venue: proc . acm sigmod int\u00e2 ?? l conf . management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the incinerate data model. authors: h jagadish. venue: acm trans . database syst .. year: 1995", "productB": "title: a close at the ifo data model. authors: ms hanna. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: research directions in data base management systems. authors: d tsichritzis. venue: acm sigmod record ,. year: 1977.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: implementation techniques for main memory database systems. authors: djdwrh katz , f olken , ld shapiro , mr stonebraker ,. venue: mt. proc . of acm. year: nan", "same": false}
+{"productA": "title: a database model for object dynamics. authors: m papazoglou , b kr\u0444mer. venue: vldb j.. year: 1997", "productB": "title: a functional model for macro-databases. authors: m rafanelli , fl ricci. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein , d kamber. venue: vldb. year: 1995", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: s abiteboul , j mchugh , m rys , v vassalos , j wiener. venue: vldb. year: 1998", "productB": "title: incremental maintenance od externally materialized views. authors: m staudy , m jarke. venue: the proceedings of the 22th very large database ( vldb ) & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on active databases. authors: u jaeger , j freytag. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on object-orientation and deduction. authors: s conrad. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: the role of integrity constraints in database interoperation. authors: m vermeer , p apers. venue: vldb. year: 1996", "productB": "title: the many roles of meta data in data integration. authors: pa bernstein. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: exploiting statistics on query expressions for optimization. authors: n bruno , s chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: exploiting constraint-like data characterizations in query optimization. authors: p godfrey , j gryz , c zuzarte. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: architectures for internal web services deployment. authors: o shmueli. venue: vldb. year: 2001", "productB": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin , o gruber. venue: vldb. year: 1995", "productB": "title: partition selection policies in object oriented database garbage collection. authors: je cook , al wolf , bg zorn. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: an introduction to deductive database languages and systems. authors: k ramamohanarao , j harland. venue: vldb j.. year: 1994", "productB": "title: an introduction to fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: nan. year: nan", "same": false}
+{"productA": "title: conceptual schema analysis : techniques and applications. authors: s castano , v antonellis , m fugini , b pernici. venue: acm trans . database syst .. year: 1998", "productB": "title: video coding\u00e2 ?? techniques , standards and applications. authors: mw whybray , gd morrison , pj mulroy. venue: bt technology journal ,. year: 1997.0", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: j shepherd. venue: nan. year: nan", "same": false}
+{"productA": "title: binding propagation in disjunctive databases. authors: s greco. venue: vldb. year: 1998", "productB": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , jf. venue: acm transactions on database systems ,. year: 1995.0", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: query execution scheduling in parallel object-oriented databases. authors: d taniar , chc leung. venue: information & software technology ,. year: 1999.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: semantics based synchronization in database systems. authors: v krishnaswamy. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: efficient computation of iceberg cubes with complex measures. authors: j han , j pei , g dong , k wang. venue: sigmod conference. year: 2001", "productB": "title: efficient computation of multiple group by queries. authors: z chen , v narasayya. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: the tpr * - tree : an optimized spatio-temporal access method for predictive queries. authors: y tao , d papadias , j sun. venue: vldb. year: 2003", "productB": "title: the r * - tree : an efficient and robust access method for points and rectangles. authors: nbhp kriegel , r schneider , b seeger. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: performance measurements of compressed bitmap indices. authors: t johnson. venue: vldb. year: 1999", "productB": "title: performance measurements and models of tertiary storage devices. authors: el miller , t johnson. venue: proceedings of the 1998 conference on very large databases (. year: nan", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , hp kriegel , j sander , m wimmer , x xu. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: automatic subspace clustering of high dimensional data for data mining application. authors: r aggarwal , j gehrke , d gunopulos , p raghavan. venue: proc . acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: tail recursion elimination in deductive databases. authors: k ross. venue: acm trans . database syst .. year: 1996", "productB": "title: bottom-up query evaluation in extended deductive databases. authors: s brass. venue: nan. year: nan", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: data stream query processing. authors: s map. venue: nan. year: nan", "same": false}
+{"productA": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb. year: 2001", "productB": "title: query processing and optimization for regular path expressions. authors: g wang , m liu. venue: nan. year: nan", "same": false}
+{"productA": "title: gigascope : a stream database for network applications. authors: c cranor , t johnson , o spatscheck , v shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: streamit : a language for streaming applications. authors: w thies , m karczmarek , s amarasinghe. venue: lecture notes in computer science ,. year: 2002.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: whatever happened to object-oriented databases ?. authors: n leavitt. venue: nan. year: nan", "same": false}
+{"productA": "title: new concurrency control algorithms for accessing and compacting b-trees. authors: v setzer , a zisman. venue: vldb. year: 1994", "productB": "title: concurrency control of nested transactions accessing b-trees. authors: a fu , t kameda. venue: proceedings of the eighth acm sigact-sigmod-sigart symposium & hellip ; ,. year: 1989.0", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: ad dfs , m fernandez , d suciu. venue: proc . of acm sigmod conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the dengn and implementation of ingres. authors: m stonebraker , e wong , p kreps , gd held. venue: acm transactions on database. year: nan", "same": false}
+{"productA": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: vldb j.. year: 2001", "productB": "title: database techniques for the www : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record , acm ,. year: nan", "same": false}
+{"productA": "title: efficiently mining long patterns from databases. authors: r jr.. venue: sigmod conference. year: 1998", "productB": "title: j. : 1998 , \u00e2 ?? efficiently mining long patterns from databases\u00e2 ??. authors: rj bayardo. venue: proceedings of the 1998 acm-sigmod international conference. year: nan", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: new algorithms for efficient mining of association rules. authors: l shen , h shen , l cheng. venue: nan. year: nan", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: database machines and database management. authors: e ozkarahan. venue: nan. year: 1986.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: replicated data management in distributed database systems. authors: sh son. venue: sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors ' notes. authors: c knapper , s piccinin. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: analytic models for database management system. authors: i miyamoto. venue: proc . of int . conf . on vldb , sept ,. year: nan", "same": false}
+{"productA": "title: design and implementation of a genetic-based algorithm for data mining. authors: s choenni. venue: vldb. year: 2000", "productB": "title: design and implementation of a qos capable switch-router. authors: e basturk , a birman , g delp , r guerin , r haas , s. venue: computer networks ,. year: 1999.0", "same": false}
+{"productA": "title: update propagation strategies to improve freshness in lazy master replicated databases. authors: e pacitti , e simon. venue: vldb j.. year: 2000", "productB": "title: replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: distributed and parallel databases ,. year: 2001.0", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: data management in an international data grid project. authors: w hoschek , j jaen-martinez , a samar , h stockinger ,. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: java and relational databases : sqlj. authors: g clossman , p shaw. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: staggered striping in multimedia information systems. authors: s berson , s ghandeharizadeh , r muntz , x ju. venue: sigmod conference. year: 1994", "productB": "title: retrieval and delivery of information in multimedia database systems. authors: f golshani , n dimitrova. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: m. livny \u00e2 ?? value-based scheduling in real-time database systems\u00e2 ??. authors: jr haritsa , mj carey. venue: international journal on very large data bases ,. year: nan", "same": false}
+{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: c chan , m garofalakis , r rastogi. venue: vldb. year: 2002", "productB": "title: an efficient index structure for string databases. authors: t kahveci , ak singh. venue: vldb ,. year: 2001.0", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: information visualization. authors: sk card. venue: nan. year: nan", "same": false}
+{"productA": "title: semantic integration of semistructured and structured data sources. authors: s bergamaschi , s castano , m vincini. venue: sigmod record. year: 1999", "productB": "title: ozone : integrating structured and semistructured data. authors: s abiteboul , r goldman , t lahiri , j mchugh , j. venue: technical report , stanford university database group ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: managing intervals efficiently inobject-relational databases. authors: hp kriegel , m p\u00e3 \u00b6 tke , t seidl. venue: proc . 26thint . conf . on very large databases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: efendi : federated database system of cadlab. authors: e radeke , r b\u0456ttger , b burkert , y engel , g kachel , s kolmschlag , d nolte. venue: sigmod conference. year: 1995", "productB": "title: extending odmg for federated database systems. authors: e radeke. venue: nan. year: nan", "same": false}
+{"productA": "title: explaining differences in multidimensional aggregates. authors: s sarawagi. venue: vldb. year: 1999", "productB": "title: idiff : informative summarization of differences in multidimensional aggregates. authors: s sarawagi. venue: data mining and knowledge discovery ,. year: 2001.0", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: a model for schema evolution in object-oriented database systems. authors: s monk. venue: nan. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the architecture of an active database system. authors: dr mccarthy , u dayal. venue: proc . 1989 acm-sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r krishnamurthy , a rao , f tian , s viglas , y wang , j naughton , d dewitt. venue: vldb. year: 2003", "productB": "title: online query processing. authors: jm hellerstein , pj haas. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: icicles : self-tuning samples for approximate query answering. authors: v ganti , m lee , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: congressional samples for approximate answering of aggregate queries. authors: s acharya , pb gibbons , v poosala. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: an evaluation of vertical class partitioning for query processing in object-oriented databases. authors: c fung , k karlapalem , q li. venue: ieee transactions on knowledge and data engineering ,. year: 2002.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a model for schema evolution in object-oriented database systems. authors: s monk. venue: nan. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: spatial query processmg m an object-oriented database system. authors: ja orenstem. venue: proc acm sigmod int\u00e2 ?? l conf on the management of data ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: multimedia database management systems. authors: b prabhakaran. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial. authors: f casati , mc shan , d georgakopoulos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: efficient mining of xml query patterns for caching. authors: l yang , m lee , w hsu. venue: vldb. year: 2003", "productB": "title: efficient data mining for web navigation patterns. authors: d xing , j shen. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editor 's notes. authors: dj rog , d fournier. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: parallel data mining for association rules on shared-memory systems. authors: s parthasarathy , mj zaki , m ogihara , w li. venue: knowledge and information systems ,. year: 2001.0", "same": false}
+{"productA": "title: vice chair 's message. authors: nan. venue: nan. year: 2000", "productB": "title: fact division chair 's message. authors: ak gupta , d mahr. venue: nan. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: on using prolog to implement object-oriented databases. authors: nw paton , s leishman , sm embury , pmd gray. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: cure : an efficient clustering algorithm for large database. authors: s guha , r rastogi , k shim. venue: proc . acm sigmod int . conf . on management of data , seattle , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an extensible compressor for xml data. authors: h liefke , d suciu. venue: sigmod record. year: 2000", "productB": "title: an efficient compressor for xml data. authors: h liefke , ds xmill. venue: proceedings of the 2000 acm sigmod conference on management & hellip ; ,. year: nan", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: mining association rules in multiple relations. authors: l dehaspe , l de raedt. venue: lecture notes in computer science ,. year: 1997.0", "same": false}
+{"productA": "title: research perspectives for time series management systems. authors: w dreyer , a dittrich , d schmidt. venue: sigmod record. year: 1994", "productB": "title: using the calanda time series management system. authors: w dreyer , ak dittrich , d schmidt. venue: nan. year: nan", "same": false}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: signature caching in parallel object database systems. authors: k norvag. venue: information and software technology ,. year: 2002.0", "same": false}
+{"productA": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: efficient evaluation of parameterized pattern queries. authors: c du mouza , p rigaux , m scholl. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: architectures for internal web services deployment. authors: o shmueli. venue: vldb. year: 2001", "productB": "title: an architecture for in-internet hybrid services. authors: ca licciardi , g canal , a andreetto , p lago. venue: computer networks ,. year: 2001.0", "same": false}
+{"productA": "title: structure and value synopses for xml data graphs. authors: n polyzotis , m garofalakis. venue: vldb. year: 2002", "productB": "title: statistical synopses for graph-structured data. authors: n polyzotis , m garofalakis. venue: proceedings of sigmod ,. year: nan", "same": false}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: efficient resumption of interrupted warehouse loads. authors: w labio , jl wiener , h garcia-molina , v gorelik. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: proceedings of the 2003 acm sigmod international conference on management of data , san diego , california , usa , june 9-12 , 2003. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: u dayal. venue: proceedings of the 1987 acm sigmod international conference & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction. authors: f dehne. venue: algorithmica ,. year: 1999.0", "same": false}
+{"productA": "title: a transducer-based xml query processor. authors: b lud\u0444scher , p mukhopadhyay , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: xml query processing. authors: d florescu , d kossmann. venue: data engineering , 2004 . proceedings . 20th international. year: nan", "same": false}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: query execution scheduling in parallel object-oriented databases. authors: d taniar , chc leung. venue: information & software technology ,. year: 1999.0", "same": false}
+{"productA": "title: the myriad federated database prototype. authors: s hwang , e lim , h yang , s musukula , k mediratta , m ganesh , d clements , j stenoien , j srivastava. venue: sigmod conference. year: 1994", "productB": "title: the oasis multidatabase prototype .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference ,. year: 1994.0", "same": false}
+{"productA": "title: the middleware muddle. authors: d ritter. venue: sigmod record. year: 1998", "productB": "title: the middle west. authors: jf hart. venue: geography ,. year: 1962.0", "same": false}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: 1990 . research issues in spatial databases. authors: o gunther , a buchmann. venue: acm sigmod. year: nan", "same": false}
+{"productA": "title: lineage tracing for general data warehouse transformations. authors: y cui , j widom. venue: vldb. year: 2001", "productB": "title: a tool for supporting transformation and data & metadata lineage in a warehousing environment. authors: as de santana , amc moura. venue: nan. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: pk-tree : a spatial index structure for high dimensional point data. authors: w wang , j yang , rr muntz. venue: nan. year: nan", "same": false}
+{"productA": "title: parallelising oodbms traversals : a performance evaluation. authors: d dewitt , j naughton , j shafer , s venkataraman. venue: vldb j.. year: 1996", "productB": "title: a novel method for video tracking performance evaluation. authors: j black , t ellis , p rosin. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb. year: 1996", "productB": "title: asnapshot differential refresh algorithm. authors: b lindsay , l haas , c mohan. venue: proceedings of the acmsigmod international conference on. year: nan", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: parallel mining algorithms for generalized association rules with classification. authors: t shintani , m kitsuregawa. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining fuzzy association rules in databases. authors: cm kuok , a fu , mh wong , nt shatin , h kong. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: an overview of vertical partitioning in object oriented databases. authors: gs chinchwadkar , a goh. venue: the computer journal ,. year: 1999.0", "same": false}
+{"productA": "title: an annotated bibliography on active databases. authors: u jaeger , j freytag. venue: sigmod record. year: 1995", "productB": "title: temporal database bibliography update. authors: y wu , s jajodia , xs wang. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining association rules in entity-relationship modeled databases. authors: l cristofor , d simovici. venue: nan. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: aseos navathe. venue: nan. year: nan", "same": false}
+{"productA": "title: efficiently instantiating view-objects from remote relational databases. authors: b lee , g wiederhold. venue: vldb j.. year: 1994", "productB": "title: updating relational databases through object-based views. authors: t barsalou , g wiederhold. venue: nan. year: nan", "same": false}
+{"productA": "title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: l liu , c pu , d buttler , w han , h paques , w tang. venue: sigmod conference. year: 2000", "productB": "title: dbis-toolkit : adaptive middleware for large scale data delivery. authors: m altinel\u00e2 ? \u00a6. venue: & hellip ; of the 1999 international conference on management of data. year: nan", "same": false}
+{"productA": "title: graphical interaction with heterogeneous databases. authors: t catarci , g santucci , j cardiff. venue: vldb j.. year: 1997", "productB": "title: query optimization in heterogeneous databases. authors: w du , r krishnamurthy , m shan. venue: proc . vldb conference , vancouver ,. year: nan", "same": false}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the r + - tree : a dynamic index for multi-dimensional data. authors: t sellis , n roussopoulos , c faloutsos. venue: proceedings of vldb 1987 ,. year: nan", "same": false}
+{"productA": "title: silkroute : a framework for publishing relational data in xml. authors: m fernandez , y kadiyska , d suciu , a morishima , w tan. venue: acm trans . database syst .. year: 2002", "productB": "title: xperanto : publishing object-relational data as xml. authors: zg ives , m carey , e shekita , s subramanian , y lu. venue: nan. year: nan", "same": false}
+{"productA": "title: grid data management systems & services. authors: nan. venue: nan. year: 2003", "productB": "title: database management systems in 1990. authors: jl berg. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: data management system for grid and portal services. authors: p grzybowski , c mazurek , m wolski. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: mining quantitative association rules in large relational tables. authors: r agrawal , r srikant. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: on distributed processing of datalog queries by decomposing databases. authors: g dong. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editor 's introduction : image databases. authors: ss iyengar , rl kashyap. venue: ieee transactions on software engineering ,. year: 1988.0", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: the ecrc multi database system. authors: w jonker , h sch\u00e3 1/4 tz. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: design overview of the aditi deductive database system. authors: j vaghani , k ramamohanarao , db kemp , z somogyi , pj. venue: nan. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: hash based parallel algorithms for mining association rules. authors: t shintani , m kitsuregawa. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for projected clustering. authors: c aggarwal , c procopiuc , j wolf , p yu , j park. venue: sigmod conference. year: 1999", "productB": "title: approximation algorithms for projective clustering. authors: pk agarwal , cm procopiuc. venue: nan. year: nan", "same": false}
+{"productA": "title: data compression in oracle. authors: m p\u0456ss , d potapov. venue: vldb. year: 2003", "productB": "title: data compression and database performance. authors: g graefe , l shapiro. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: \u00e2 ?? oql : a query language for manipulating object\u00e2 ?? oriented databases. authors: s am alashqur , h lam. venue: proc . vldb 89. year: nan", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: panel : database system performance management. authors: h boral. venue: acm sigmod record ,. year: 1986.0", "same": false}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: density-connected subspace clustering for high-dimensional data. authors: k kailing , hp kriegel , p kroger. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: & lgr ; - db : an odmg-based object-oriented dbms. authors: l fegaras , c srinivasan , a rajendran , d maier. venue: proceedings of the 2000 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: eager aggregation and lazy aggregation. authors: w yan , p larson. venue: vldb. year: 1995", "productB": "title: online aggregation. authors: m raitner. venue: nan. year: nan", "same": false}
+{"productA": "title: a graphical query language for mobile information systems. authors: y chang. venue: sigmod record. year: 2003", "productB": "title: a graphical query language suplx ~ rting recursion. authors: if cruz , ao mendelzon , pt wood. venue: proc . acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: rapid association rule mining. authors: a das , wk ng , yk woon. venue: nan. year: nan", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: the design and implementation of cobase. authors: ww chu , ma merzbacher , l berkovich. venue: nan. year: nan", "same": false}
+{"productA": "title: user-adaptive exploration of multidimensional data. authors: s sarawagi. venue: vldb. year: 2000", "productB": "title: partial match retrieval of multidimensional data. authors: p flajolet , c puech. venue: journal of the acm ( jacm ) ,. year: 1986.0", "same": false}
+{"productA": "title: probabilistic object bases. authors: t eiter , j lu , t lukasiewicz , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: thetheoryofprobabilistic databases. authors: r cavallo , m pittarelli. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: processing complex aggregate queries over data streams. authors: a dobra , m garofalakis , j gehrke , r rastogi. venue: sigmod conference. year: 2002", "productB": "title: approximate frequency counts over data streams. authors: m charikar , k chen , m farach-colton. venue: in proc . of 29th int . colloq . on automata , languages and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: semantic integration of semistructured and structured data sources. authors: s bergamaschi , s castano , m vincini. venue: sigmod record. year: 1999", "productB": "title: semantic integration : a survey of ontology-based approaches. authors: nf noy. venue: sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: vertical partitioning algorithms for database design. authors: n shamkant\u00e2 ? \u00a6. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: bilvideo video database management system. authors: o ulusoy , c alper. venue: nan. year: nan", "same": false}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: sm databases. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: r diem. venue: social studies and the young learner ,. year: nan", "same": false}
+{"productA": "title: towards an effective calculus for object query languages. authors: l fegaras , d maier. venue: sigmod conference. year: 1995", "productB": "title: optimizing object queries using an effective calculus. authors: l fegaras , d maier. venue: acm transactions on database systems ,. year: 2000.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: access path selecuon ma rclauonal database management system. authors: pc sehnger , mm astrahan , dd chamberhn , ra lone , tg. venue: procee . atngs of 1979 acm sigmod conference , ( june. year: nan", "same": false}
+{"productA": "title: report from the nsf workshop on workflow and process automation in information systems. authors: nan. venue: nan. year: 1996", "productB": "title: report of the workshop on semantic heterogeneity and interoperation in multidatabase systems. authors: p drew , r king , d mcleod , m rusinkiewicz , a. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: using quantitative information for efficient association rule generation. authors: b p\u0454ssas , w jr. , m carvalho , r resende. venue: sigmod record. year: 2000", "productB": "title: efficient mining for fuzzy implication-based association rules in quantitative databases. authors: g chen , p yan , ee kerre. venue: international journal of general systems ,. year: 2004.0", "same": false}
+{"productA": "title: a language based multidatabase system. authors: e k\u045chn , t tschernko , k schwarz. venue: sigmod conference. year: 1994", "productB": "title: deductive database system. authors: g phippc. venue: proc acn sigmod on management of data ,. year: nan", "same": false}
+{"productA": "title: binding propagation in disjunctive databases. authors: s greco. venue: vldb. year: 1998", "productB": "title: tail recursion elimination in deductive databases. authors: ka ross. venue: acm transactions on database systems ,. year: 1996.0", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: s. navathe , \u00e2 ?? an efficient algorithm for mining association rules in large database , \u00e2 ??. authors: a savasere , e omiecinski. venue: proc . internal conf . very large data. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial. authors: ay halevy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: real-time index concurrency control. authors: j haritsa , s seshadri. venue: sigmod record. year: 1996", "productB": "title: real-time control of pressure and current profile in jet. authors: d mazon , w ctte-j. venue: proc . 29th eur . conf . on plasma physics and controlled & hellip ; ,. year: nan", "same": false}
+{"productA": "title: sentinel : an object-oriented dbms with event-based rules. authors: s chakravarthy. venue: sigmod conference. year: 1997", "productB": "title: metu object-oriented dbms kernel. authors: a dogac , a altinel , c ozkan. venue: proc . of intl. conf on database and expert systems & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: storing semistructured datawith stored. authors: a deutsch , m fernandez , d suciu. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialized view selection for multidimensional database. authors: a shukla , p deshpande. venue: proceedings of 24 international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: towards an object oriented database\u00e2 ?? a relational view. authors: c miguens. venue: conference proceedings on data management 91 table of & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: research directions in object-oriented databases. authors: w kim. venue: proc . of the 9th acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a practical and modular implementation of extended transaction models. authors: r barga , c pu. venue: vldb. year: 1995", "productB": "title: a practical approach to realizing extended transaction models. authors: r barga , c pu. venue: proc . 21st conf . very large data bases ,. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: set query optimization in distributed database systems. authors: b gavish , a segev. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: agents , turst , and information access on the semantic web. authors: t finin , a joshi. venue: sigmod record. year: 2002", "productB": "title: trust networks on the semantic web. authors: j golbeck , b parsia , j hendler. venue: lecture notes in computer science ,. year: 2003.0", "same": false}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: \u00e2 ?? parlog : a tutorial introduction .. authors: d gilbert. venue: nan. year: nan", "same": false}
+{"productA": "title: star-cubing : computing iceberg cubes by top-down and bottom-up integration. authors: d xin , j han , x li , b wah. venue: vldb. year: 2003", "productB": "title: bottom-up computation of sparse and iceberg cubes. authors: k beyer , r ramakrishnan. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: storing semistructured data with stored. authors: a deutsh , m fernandez\u00e2 ? \u00a6. venue: proc of acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: storing semistructured datawith stored. authors: a deutsch , m fernandez , d suciu. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , y xu. venue: vldb. year: 2003", "productB": "title: exact and approximate phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , yx pix. venue: acm [ acm03a ] ,. year: nan", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: making smalltalk a database system. authors: gp copeland. venue: nan. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: relational computation for mining association rules from xml data. authors: hc liu , j zeleznikow. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: a system for keyword proximity search on xml databases. authors: a balmin , v hristidis , n koudas , y papakonstantinou , d srivastava , t wang. venue: vldb. year: 2003", "productB": "title: keyword search in relational databases. authors: dp sokol. venue: nan. year: nan", "same": false}
+{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: n kabra , d dewitt. venue: vldb j.. year: 1999", "productB": "title: cactis : a self-adaptive , concurrent implementation of an object-oriented database. authors: s hudson , r king. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: l sechrest. venue: new directions for program evaluation ,. year: 1993.0", "same": false}
+{"productA": "title: use of a component architecture in integrating relational and non-relational storage systems. authors: r atkinson. venue: sigmod conference. year: 1995", "productB": "title: modeling the storage architectures of commercial database systems. authors: ds batory. venue: acm transactions on database systems ,. year: 1985.0", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: on the implementation of a simple class of logic queries for databases. authors: d sacc\u00e3. venue: proceedings of the fifth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , e rundensteiner. venue: sigmod conference. year: 2001", "productB": "title: view maintenance in a warehouse environment , acm sigmod int. authors: y zhuge , h garcia-molina , jl wiener. venue: conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: stonebraker . m. performance analysis of a relational database system. authors: p hawthorn. venue: proceedings acm. year: nan", "same": false}
+{"productA": "title: data placement in shared-nothing parallel database systems. authors: m mehta , d dewitt. venue: vldb j.. year: 1997", "productB": "title: dynamic data reallocation for skew management in shared-nothing parallel databases. authors: a helal , d yuan , h el-rewini. venue: distributed and parallel databases ,. year: 1997.0", "same": false}
+{"productA": "title: is web-site management a database problem ?. authors: d florescu , a levy , d suciu. venue: vldb. year: 1998", "productB": "title: strudel : a web-site management system .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: s3 : similarity search in cad database systems. authors: s berchtold , h kriegel. venue: sigmod conference. year: 1997", "productB": "title: multiresolution similarity search in image databases. authors: m heczko , a hinneburg , d keim , m wawryniuk. venue: multimedia systems ,. year: 2004.0", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: database research at bellcore. authors: t bowen , d deluca , g gopal , p krishnamurthy , k lee. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: set-oriented production rules in relational databases. authors: j widom , s finkelstein. venue: proc . of the acm sigmod conference on management of data ,. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: answering queries in relational databases. authors: ad ` atri , m moscarini , n spyratos. venue: proceedings of the 1983 acm sigmod international conference & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: www-udk : a web-based environmental meta-information system. authors: r kramer , r nikolai , a koschel , c rolker , p lockemann , a keitel , r legat , k zirm. venue: sigmod record. year: 1997", "productB": "title: integrating modelling systems for environmental management information systems. authors: dj abel , k taylor , d kuo. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: an object-oriented sgml/hytime compliant multimedia database management system. authors: mt oezsu , p iglinski , d szafron , s el-medani , m. venue: nan. year: nan", "same": false}
+{"productA": "title: webview materialization. authors: a labrinidis , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: adaptive webview materialization. authors: a labrinidis , n roussopoulos. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: rule management in objectoriented database systems. authors: o diaz , nw paton , pmd gray. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: lore : a lightweight object repository for semistructured data .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: design and implementation of a genetic-based algorithm for data mining. authors: s choenni. venue: vldb. year: 2000", "productB": "title: design and implementation of the rol deductive object-oriented database system. authors: m liu. venue: journal of intelligent information systems ,. year: 2000.0", "same": false}
+{"productA": "title: tavant system architecture for sell-side channel management. authors: s narayanan , s subramanian. venue: vldb. year: 2001", "productB": "title: the architecture of an act , ve data base management system. authors: dr mccarthy , u dayal. venue: proceedings of the acm sigmod conference ( portland , or , may. year: nan", "same": false}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: logical introduction to databases. authors: j grant. venue: nan. year: 1987.0", "same": false}
+{"productA": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: sigmod conference. year: 1998", "productB": "title: the ores temporal database system. authors: b theodolidis , ga ait-braham , j chaudhary , g. venue: proc . acm sigmod conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: a visual language for object-oriented databases. authors: cif doodle. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: the mlpq/gis constraint database system. authors: p revesz , r chen , p kanjamala , y li , y liu , y wang. venue: sigmod conference. year: 2000", "productB": "title: constraint databases. authors: k hinrichs , h blunck , akv des fachbereichs. venue: nan. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: a query language for a web-site management system. authors: d florescu , a levy , m fernandez , d suciu. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: design and implementation of the glue-nail database system. authors: ma derr , s morishita , g phipps. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: mosaico - a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m missikoff , m toiati. venue: sigmod conference. year: 1994", "productB": "title: a dynamic model for conceptual clustering in object-oriented databases. authors: q li , j smith. venue: proc . of vldb ,. year: nan", "same": false}
+{"productA": "title: metu object-oriented dbms. authors: a dogac , i arpinar , c evrendilek , c ozkan , i altintas , i durusoy , m altinel , t okay , y saygin. venue: sigmod conference. year: 1994", "productB": "title: case-based rigorous object-oriented methods. authors: jm bruel , b france , m larrondo-petrir. venue: as evans and dj duke , procs of the 1st northern formal & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: a kemper , g moerkotte , k peithner , m steinbrunn. venue: sigmod conference. year: 1994", "productB": "title: optimizing real conjunctive queries. authors: s chaudhuri , m vardi. venue: proc . of the acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: concept based design of data warehouses : the dwq demonstrators. authors: m jarke , c quix , d calvanese , m lenzerini , e franconi , s ligoudistianos , p vassiliadis , y vassiliou. venue: sigmod conference. year: 2000", "productB": "title: conceptual modeling of data warehouses. authors: a harren , o herden. venue: proc . of demonstration and posters e /. year: nan", "same": false}
+{"productA": "title: dynamic buffer allocation in video-on-demand systems. authors: s lee , k whang , y moon , i song. venue: sigmod conference. year: 2001", "productB": "title: dynamic buffer allocation in an atm switch. authors: e yaprak , at chronopoulos , k psarris , y xiao. venue: computer networks ,. year: 1999.0", "same": false}
+{"productA": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb. year: 1998", "productB": "title: efficient algorithms for discovering association rules. authors: h mannila , h toivonen. venue: nan. year: nan", "same": false}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: research issuesinspatial databases. authors: o guenther , a buchmann. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: a hulgeri , s sudarshan. venue: vldb. year: 2003", "productB": "title: applying parametric query optimization to non-parametric query metrics. authors: vrls vadali. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: metu object-oriented dbms. authors: a dogac , i arpinar , c evrendilek , c ozkan , i altintas , i durusoy , m altinel , t okay , y saygin. venue: sigmod conference. year: 1994", "productB": "title: an object-oriented data model. authors: c lecluse , p richard , f velez. venue: proceedings of the acmsigmod international conference on & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: storage and retrieval of xml documents using object-relational databases. authors: t shimura , m yoshikawa , s uemura. venue: nan. year: nan", "same": false}
+{"productA": "title: medical information systems : characterization and challenges. authors: j ramirez , l smith , l peterson. venue: sigmod record. year: 1994", "productB": "title: virgis : mediation for geographical information systems. authors: o boucelma , m essid , z lacroix , j vinel , jy. venue: data engineering , 2004 . proceedings . 20th international. year: nan", "same": false}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: aao approach. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: semantic caching of web queries. authors: b chidlovskii , u borghoff. venue: vldb j.. year: 2000", "productB": "title: semantic complexity of classes of relational queries. authors: s roy. venue: proc .. year: nan", "same": false}
+{"productA": "title: accelerating xpath location steps. authors: t grust. venue: sigmod conference. year: 2002", "productB": "title: accelerating xpath evaluation in any rdbms. authors: t grust , m van keulen , j teubner. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: a rakesh , j gehrke , d gunopulos\u00e2 ? \u00a6. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: editorial. authors: ca insko. venue: journal of personality and social psychology ,. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: multimedia database management systems. authors: g lu. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: optimizing multi-feature queries for image databases. authors: u g\u045cntzer , w balke , w kie\u043fling. venue: vldb. year: 2000", "productB": "title: content-based queries in image databases. authors: u shaft , r ramakrishnan. venue: computer sciences technical report-university of wisconsin & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: congressional samples for approximate answering of group-by queries. authors: s acharya , p gibbons , v poosala. venue: sigmod conference. year: 2000", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: s chaudhuri , g das , v narasayya. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: spatial query processing in an object-oriented database system. authors: ja orenstein. venue: proceedings of the 1986 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: p apers , s ceri , r snodgrass. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: report on the 1995 international workshop on temporal databases. authors: nan. venue: nan. year: 1995", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies. authors: o etzion. venue: acm sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: data grid management systems. authors: rw moore , a jagatheesan. venue: nan. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: system r : relational approach to database management. authors: kp eswaran , jn gray , pp griffiths , wf king , ra. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: semantic integrity support in sql : 1999 and commercial ( object - ) relational database management systems. authors: c t\u045crker , m gertz. venue: vldb j.. year: 2001", "productB": "title: supporting multi-media object management in a relational database management system. authors: lm haas. venue: technical report . ibm almaden research center ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: spahal query processmg in an object-onented database system. authors: j orenstein. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: bringing order to query optimization. authors: g slivinskas , c jensen , r snodgrass. venue: sigmod record. year: 2002", "productB": "title: a ddsm for relational query optimization. authors: bml kerschberg. venue: proc . acm annual conference ,. year: nan", "same": false}
+{"productA": "title: efficient view maintenance at data warehouses. authors: d agrawal , a abbadi , a singh , t yurek. venue: sigmod conference. year: 1997", "productB": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , ea. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: mariposa : a wide-area distributed database system. authors: m stonebraker , p aoki , w litwin , a pfeffer , a sah , j sidell , c staelin , a yu. venue: vldb j.. year: 1996", "productB": "title: query processing in a distributed data base system. authors: r epstein , m stonebraker , e wong. venue: proc . acm sigmod conf . on management of data , austin , tex. , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: optimization and evaluation of array queries. authors: r ritsch , p baumann. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: tutorial : semistructured data. authors: p buneman. venue: proceedings of acm symposium on principles of database & hellip ; ,. year: nan", "same": false}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: the r * - tree : an efficient and robust acess method for points and rectangules. authors: n backmann. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference ,. year: 2003.0", "same": false}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: silkroute : a framework for publishing relational data in xml. authors: m fernandez , y kadiyska , d suciu , a morishima , w tan. venue: acm trans . database syst .. year: 2002", "productB": "title: efficiently publishing relational data as xml documents. authors: j shanmungasundaram , e shekita , r barr , m carey , b. venue: & hellip ; . of the int . conf . on very large data bases ( vldb ) , cairo , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: association rules between sets of items in large databases. authors: r agrawal , t imielinski , a swami. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial wireless ad hoc networks. authors: zj haas , m gerla , db johnson , ce perkins , mb. venue: selected areas in communications , ieee journal on ,. year: 1999.0", "same": false}
+{"productA": "title: maintenance of automatic summary tables. authors: w lehner , r sidle , h pirahesh , r cochrane. venue: sigmod conference. year: 2000", "productB": "title: maintenance of data cubes and summary tables in a warehouse. authors: w john\u00e2 ? \u00a6. venue: proc of the 1997 acm sigmod intl conf on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: using unknowns to prevent discovery of association rules. authors: y saygin , v verykios , c clifton. venue: sigmod record. year: 2001", "productB": "title: efficient algorithms for discovering association rules. authors: h mannila , h toivonen. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: wong . m , \u00e2 ?? mining fuzzy association rules in databases , \u00e2 ??. authors: c kuok , a fu. venue: sigmod record-quarterly publication of thespecial interest & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the design and implementation of the ariel active database rule system. authors: en hanson. venue: nan. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: an efficient secure authenticated group key exchange algorithm for large and dynamic groups. authors: j alves-foss. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: a model for active object oriented database . actes. authors: c beeri , t milo. venue: 17th international conference vldb , barcelona ,. year: nan", "same": false}
+{"productA": "title: database research at ut arlington. authors: s chakravarthy , y aslandogan , r elmasri , l fegaras , j oh. venue: sigmod record. year: 2003", "productB": "title: database research at citri. authors: r sacks-davis , k ramamohanarao. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: database research at the university of illinois at urbana-champaign. authors: m winslett , k chang , a doan , j han , c zhai , y zhou. venue: sigmod record. year: 2002", "productB": "title: database research activities at the university of vienna. authors: am tjoa , g vinek. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: performance issues in incremental warehouse maintenance. authors: w labio , j yang , y cui , h garcia-molina , j widom. venue: vldb. year: 2000", "productB": "title: efficient incremental view maintenance in data warehouses. authors: ky lee , jh son , mh kim. venue: nan. year: nan", "same": false}
+{"productA": "title: stream processing of xpath queries with predicates. authors: a gupta , d suciu. venue: sigmod conference. year: 2003", "productB": "title: stream processing of xpath queries with predicates. authors: k ashish , s dan. venue: proc . of the sigmod . acm ,. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: efficiently monitoring relational databases. authors: op buneman , ek clemons. venue: acm transactions on database systems ( tods ) ,. year: 1979.0", "same": false}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: xsb as an efficient deductive database system. authors: k sagonas , t swift , ds warren. venue: acm sigmod symposium on management of data ,. year: nan", "same": false}
+{"productA": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: a poulovassilis , c small. venue: vldb. year: 1994", "productB": "title: optimization of extended database query languages. authors: t seuis , l shapiro. venue: acm sigmod international conference on the management of. year: nan", "same": false}
+{"productA": "title: using unknowns to prevent discovery of association rules. authors: y saygin , v verykios , c clifton. venue: sigmod record. year: 2001", "productB": "title: privacy preserving of association rules. authors: r agrawal , r srikant , a evfimievski , j gehrke. venue: proceeding of 8th acm sigmod conference on knowledge & hellip ; ,. year: nan", "same": false}
+{"productA": "title: staggered striping in multimedia information systems. authors: s berson , s ghandeharizadeh , r muntz , x ju. venue: sigmod conference. year: 1994", "productB": "title: time modeling in office information systems. authors: f barbic , b pernici. venue: acm sigmod record ,. year: 1985.0", "same": false}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: research issues in federated database systems. authors: s conrad , b eaglestone , w hasselbring , m roantree ,. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: ripple joins for online aggregation. authors: p haas , j hellerstein. venue: sigmod conference. year: 1999", "productB": "title: wang. , hj ( 1997 ) online aggregation. authors: jm hellerstein , pj haas. venue: proc . acm\u00e2 ?? sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editorial. authors: jr gruser , l raschid , v zadorozhny. venue: the vldb journal ,. year: 2000.0", "same": false}
+{"productA": "title: dynamic buffer allocation in video-on-demand systems. authors: s lee , k whang , y moon , i song. venue: sigmod conference. year: 2001", "productB": "title: data allocation in distributed systems. authors: p apers. venue: acm trans . database systems ,. year: nan", "same": false}
+{"productA": "title: adaptable similarity search using non-relevant information. authors: t ashwin , r gupta , s ghosal. venue: vldb. year: 2002", "productB": "title: adaptable similarity search in large image databases. authors: t seidl , hp kriegel. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal fds on complex objects. authors: j wijsen. venue: acm trans . database syst .. year: 1999", "productB": "title: the haptic display of complex objects. authors: dc ruspini , k kolarov , o hatib. venue: proceedings of acm siggraph ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of k : a high-level knowledge-base programming language of osam * . kbms. authors: y shyy , j arroyo , s su , h lam. venue: vldb j.. year: 1996", "productB": "title: the design and implementation of cobase. authors: ww chu , ma merzbacher , l berkovich. venue: nan. year: nan", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: functional completeness in object-oriented databases. authors: p mishra , m eich. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: temporal query processing and optimization in multiprocessor database machines. authors: , rr muntz. venue: nan. year: nan", "same": false}
+{"productA": "title: database principles column - introduction. authors: l libkin. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: l libkin. venue: acm sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: lies , damn lies and the internet. authors: s ulfelder. venue: computerworld ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the knowledge based management systems project .. authors: g wiederhold , j kaplan , d sagalowicz. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: a framework for clustering evolving data streams. authors: c aggarwal , j han , j wang , p yu. venue: vldb. year: 2003", "productB": "title: algorithms for clustering data. authors: ak jain , rc dubes. venue: nan. year: 1988.0", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: the design and implementation of the ariel active database rule system. authors: en hanson. venue: nan. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the-kdb tree : a fast index structure for high-dimensional similarity joins. authors: k shim , r srikant , r agrawal. venue: research report , ibm almaden research center , san jose , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining association rules between sets of items in large databases. authors: ra as941 , t imielinksi , a swami. venue: proc . of the acm sigmod int\u00e2 ?? l conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: relational , and multidimensional database systems. authors: o george colliat. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: concurrency in the data warehouse. authors: r taylor. venue: vldb. year: 2000", "productB": "title: the federated data warehouse. authors: c white. venue: nan. year: nan", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: energy and rate based mac protocol for wireless sensor networks. authors: r kannan , r kalidindi , s iyengar , v kumar. venue: sigmod record. year: 2003", "productB": "title: implementation and research issues in query processing for wireless sensor networks. authors: w hong , s madden. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for universal quantification in large databases. authors: g graefe , r cole. venue: acm trans . database syst .. year: 1995", "productB": "title: cure : an efficient algorithm for large databases. authors: s guha , r rastogi , k shim. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial. authors: j mai , e marani , s hakomori. venue: the histochemical journal ,. year: 1992.0", "same": false}
+{"productA": "title: declustering databases on heterogeneous disk systems. authors: l chen , d rotem , s seshadri. venue: vldb. year: 1995", "productB": "title: notes on database operating systems. authors: jn gray. venue: lecture notes in computer science .. year: nan", "same": false}
+{"productA": "title: data management for pervasive computing. authors: m cherniack , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: march 1993 . \u00e2 ?? data management for mobile computing\u00e2 ??. authors: t imielinski , br badrinath. venue: sigmod. year: nan", "same": false}
+{"productA": "title: tavant system architecture for sell-side channel management. authors: s narayanan , s subramanian. venue: vldb. year: 2001", "productB": "title: architectures for object data management. authors: ja orenstein. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: functional completeness in object-oriented databases. authors: p mishra , m eich. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: an informal introduction to constraint database systems. authors: v gaede. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: semanticmodelling of object-oriented databases. authors: mbe m & de. venue: hoe . vldb ,. year: nan", "same": false}
+{"productA": "title: probabilistic object bases. authors: t eiter , j lu , t lukasiewicz , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: l987 . the theory of probabilistic databases. authors: r cavallo , m pittarelli. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: distributed query processing in a relational data base system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the 1978 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: mercury : a scalable publish-subscribe system for internet games. authors: ar bharambe , s rao , s seshan. venue: proceedings of the first workshop on network and system & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: data and knowledge base research at hong kong university of science and technology. authors: p drew , b hamidzadeh , k karlapalem , a kean , d lee , q li , f lochovsky , c shum , b w\u045cthrich. venue: sigmod record. year: 1995", "productB": "title: database research at columbia university. authors: sf chang , l gravano , ge kaiser , ka ross , sj stolfo. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: spatial query procesing in an object oriented database system. authors: ao jack. venue: acm proceedings. year: nan", "same": false}
+{"productA": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: d doan , n paton , a kilgour. venue: sigmod record. year: 1995", "productB": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: query rewriting for semistructured data. authors: v vassalos. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy , i manolescu , d suciu. venue: sigmod conference. year: 1999", "productB": "title: query processing and optimization in rdb. authors: g antoshnekov , m ziauddin. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: xml data management : go native or spruce up relational systems ?. authors: pa larson. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: mining fuzzy association rules in databases. authors: cm kuok , a fu , mh wong , nt shatin , h kong. venue: nan. year: nan", "same": false}
+{"productA": "title: electronic commerce : tutorial. authors: n adam , y yesha. venue: sigmod conference. year: 1998", "productB": "title: electronic commerce. authors: e turban , j lee , d king , mh chung. venue: nan. year: nan", "same": false}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a glossary of temporal database concepts. authors: cs jensen , j clifford , sk gadia , a segev , rt. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: a database model for object dynamics. authors: m papazoglou , b kr\u0444mer. venue: vldb j.. year: 1997", "productB": "title: an object data model with roles. authors: a albano , r bergamini , g ghelli , r orsini. venue: vldb ,. year: 1993.0", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tw yantt , j annevelinkt. venue: nan. year: nan", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: cure : an efficient algorithm for clustering large databases. authors: s guha , r rastogi , k shim. venue: proceedings of acm-sigmod 1998 international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: interfacing knowledge discovery algorithms to large database management systems. authors: s lavington , n dewhurst , e wilkins , a freitas. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: approximate computation of multidimensional aggregates in a data warehouse. authors: r pears , m mansfield. venue: annual conference proceedings of the national advisory & hellip ; ,. year: nan", "same": false}
+{"productA": "title: rainbow : multi-xquery optimization using materialized xml views. authors: x zhang , k dimitrova , l wang , m el-sayed , b murphy , b pielech , m mulchandani , l ding , e rundensteiner. venue: sigmod conference. year: 2003", "productB": "title: optimizing queries using materialized views. authors: j goldstein , pa larson. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: kiernan . watermarking relational databases. authors: r agrawal andj. venue: proc . of the 28th int\u00e2 ?? l conferenceon very largedatabases ,. year: nan", "same": false}
+{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb. year: 1998", "productB": "title: birch : an efficient data clustering method for very large databases. authors: tzrrm livny. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: query languages for relational multidatabases. authors: j grant , w litwin , n roussopoulos , t sellis. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: the object-oriented database system manifesto. authors: mp atkinson , f bancilhon , dj dewitt , kr dittrich ,. venue: sigmod conference ,. year: 1990.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2001", "productB": "title: reminiscences on influential papers .. authors: acms anthology. venue: sigmod. year: 1998.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: querying large text databases for efficient information extraction. authors: e agichtein , l gravano. venue: nan. year: nan", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: answering queries in relational databases. authors: ad ` atri , m moscarini , n spyratos. venue: proceedings of the 1983 acm sigmod international conference & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j. venue: proc . acm sigmod int ' l conf . management of. year: nan", "same": false}
+{"productA": "title: r-tree based indexing of now-relative bitemporal data. authors: r bliujute , c jensen , s saltenis , g slivinskas. venue: vldb. year: 1998", "productB": "title: an efficient method for indexing now-relative bitemporal data. authors: b stantic , s khanna , j thornton. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient cost-driven index selection tool for microsoft sql server. authors: s chaudhuri , v narasayya. venue: vldb. year: 1997", "productB": "title: automated selection of materialized views and indexes in microsoft sql server. authors: a sanjay , c surajit , vr narasayya. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: vldb. year: 1999", "productB": "title: epidemic algorithms in replicated databases. authors: r steinke. venue: nan. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: a global garbage collector for federated database management systems. authors: m fr\u00e3 \u00a9 d\u00e3 \u00a9 ric , t jean-marc , b pierre. venue: nan. year: nan", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: tokuyamat ( 1996 ) mining optimized association rules for numeric attributes. authors: my fukudat , s morishita. venue: proc . 15th acm sigact-sigmod-sigart symposium on principles. year: nan", "same": false}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: cactis : a self-adaptive , concurrent implementation of an object-oriented database. authors: s hudson , r king. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: open object database management systems. authors: ja blakeley. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: xpathlearner : an on-line self-tuning markov histogram for xml path selectivity estimation. authors: l lim , m wang , s padmanabhan , j vitter , r parr. venue: vldb. year: 2002", "productB": "title: piecewise linear histograms for selectivity estimation. authors: x yu , a fu. venue: nan. year: nan", "same": false}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: information systems research at george mason university. authors: s jajodia , d barbar\u00e3 \u00a1 , a brodsky , l kerschberg , a. venue: acm sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: a region splitting strategy for physical database design of multidimensional file organizations. authors: j lee , y lee , k whang , i song. venue: vldb. year: 1997", "productB": "title: physical database design for relational databases. authors: s finkelstein , m schkolnick , p tiberio. venue: acm transactions on database systems ,. year: 1988.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: application of sub-predicate tests in database systems. authors: r munz , hj schneider , f steyer. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: extraction of object-oriented schemas from existing relational databases : a form-driven approach. authors: m malki , a flory , mk rahmouni. venue: informatica ,. year: 2002.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: the zero-delay data warehouse : mobilizing heterogeneous databases. authors: e k\u045chn. venue: vldb. year: 2003", "productB": "title: a mobile computer interface for heterogeneous databases. authors: r alonso , em haber , hf korth. venue: research issues in data engineering , 1993 : interoperability & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: query processing in sensor networks. authors: j gehrke , s madden. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: algorithms for mining association rules in bag databases. authors: py hsu , yl chen , cc ling. venue: information sciences\u00e2 ?? informatics and computer science : an & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: data management issues in electronic commerce ( panel ). authors: m \u0436zsu. venue: sigmod conference. year: 1999", "productB": "title: agents as mediators in electronic commerce. authors: rh guttman , ag moukas , p maes. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: p willis. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: the context interchange mediator prototype. authors: s bressan , c goh , k fynn , m jakobisiak , k hussein , h kon , t lee , s madnick , t pena , j qu , a shum , m siegel. venue: sigmod conference. year: 1997", "productB": "title: the context interchange network prototype. authors: am daruwala. venue: nan. year: nan", "same": false}
+{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: nan. venue: nan. year: 1996", "productB": "title: report on l irst international workshop on real-time database systems. authors: s son. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: missing information ( applicable and inapplicable ) in relational databases. authors: ef codd. venue: acm sigmod record ,. year: 1986.0", "same": false}
+{"productA": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: a hulgeri , s sudarshan. venue: vldb. year: 2003", "productB": "title: parametric query optimization : a non-geometric approach. authors: svum rao. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , j naughton. venue: vldb. year: 1998", "productB": "title: multidimensional data modeling for location-based services. authors: cs jensen , a kligys , tb pedersen , i timko. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: statistical schema matching across web query interfaces. authors: b he , k chang. venue: sigmod conference. year: 2003", "productB": "title: automatic complex schema matching across web query interfaces : a correlation mining approach. authors: b he , kcc chang. venue: acm transactions on database systems ,. year: 2006.0", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: index configuration in object-oriented databases. authors: e bertino. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: information rules. authors: d stirling. venue: sigmod record. year: 2003", "productB": "title: information retrieval in databases. authors: b aditya. venue: b. tech . project , iit-bombay ,. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: buer managementin relational database systems. authors: gm sacco , m schkolnick. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the trigs active object-oriented database system-an overview .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: an adaptive data replication algorithm. authors: o wolfson , s jajodia , y huang. venue: acm trans . database syst .. year: 1997", "productB": "title: static and adaptive distributed data replication using genetic algorithms. authors: t loukopoulos , i ahmad. venue: journal of parallel and distributed computing ,. year: 2004.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: query processing in a relational database management system. authors: k youssefi , e wong. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: answering complex sql queries using automatic summary tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh , m urata. venue: sigmod conference. year: 2000", "productB": "title: answering sql queries with aggregation using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: at & t technical memorandum ,. year: nan", "same": false}
+{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: mohan . c. : functionality and limitations of current workflow management systems. authors: g alonso , d agrawal , a el abbadi. venue: technical report , ibm almaden research center ,. year: nan", "same": false}
+{"productA": "title: effective timestamping in databases. authors: k torp , c jensen , r snodgrass. venue: vldb j.. year: 2000", "productB": "title: integrity checking in deductive databases. authors: r kowalsky , f sadri , p soper. venue: proc . of the 13th vldb , brighton ,. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: standardization and database systems. authors: eh sibley. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: mt \u00e3?zsu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: promises and realities of active database systems. authors: e simon , a dittrich. venue: vldb. year: 1995", "productB": "title: active database systems ( tutorial notes ). authors: kr dittrich , u dayal. venue: & hellip ; seventeenth international conference on very large databases & hellip ; ,. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: a temporal framework for database specifications. authors: jmv castilho , ma casanova , al furtado. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: query optimization for semistructured data. authors: j mchugh , j widom. venue: proc . vldb ,. year: 1999.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases\u00e2 '' , bocca jb , jarke m. , zaniolo c. ,. authors: r agrawal , r srikant. venue: & hellip ; conference on very large data bases ( vldb\u00e2 ?? 94 ) , santiago de. year: nan", "same": false}
+{"productA": "title: a taxonomy of correctness criteria in database applications. authors: k ramamritham , p chrysanthis. venue: vldb j.. year: 1996", "productB": "title: behaviour management in database applications. authors: jy lingat , p nobecourt , c rolland. venue: nan. year: nan", "same": false}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb. year: 2000", "productB": "title: icicles : selftuning samples for approximate query processing. authors: v ganti , ml lee , r ramakrishnan. venue: proceedings of vldb ,. year: nan", "same": false}
+{"productA": "title: iterative dynamic programming : a new class of query optimization algorithms. authors: d kossmann , k stocker. venue: acm trans . database syst .. year: 2000", "productB": "title: design and analysis of parametric query optimization algorithms. authors: s ganguly. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: the design and implementationof a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: proceedings ofthetwentysecond. year: nan", "same": false}
+{"productA": "title: report on the 18th british national conference on databases ( bncod ). authors: nan. venue: nan. year: 2002", "productB": "title: report on the fourth international conference on flexible query answering systems ( fqas 2000 ). authors: p bosc , a motro , g pasi. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: optimization of sequence queries in database systems. authors: r sadri , c zaniolo , a zarkesh , j adibi. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: srikant r. fastalgorithms formining association rules in large databases. authors: r agrawal. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm trans . database syst .. year: 1994", "productB": "title: theseus -- a programming language for relational databeses. authors: je shopiro. venue: acm transactions on database systems ,. year: 1979.0", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: managing and querying changes in semi-structured data. authors: s chawathe , s abiteboul , j widom. venue: proceedings of acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: automating physical database design in a parallel database. authors: j rao , c zhang , n megiddo , g lohman. venue: sigmod conference. year: 2002", "productB": "title: physical database design for relational databases. authors: s finkelstein , m schkolnick , p tiberio. venue: acm transactions on database systems ,. year: 1988.0", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: scalable parallel data mining for association rules. authors: h eui-hong , g karypis. venue: ieee transactions on knowledge and data engineering ,. year: nan", "same": false}
+{"productA": "title: object-oriented , rapid application development in a pc database environment. authors: f team. venue: sigmod conference. year: 1995", "productB": "title: an object-oriented application development environment. authors: m ganti , p goyal , r nassif , s podar. venue: nan. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: management of xml documents without schema in relational database systems. authors: t kudrass. venue: nan. year: nan", "same": false}
+{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: k n\u0458rv\u0445g. venue: vldb. year: 1999", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: \\ response to \\ '' \\ `` a close look at the ifo data model \\ '' \\ '' \\ '' ''. authors: s abiteboul , r hull. venue: sigmod record. year: 1995", "productB": "title: a close look at the ifo data model. authors: ms hanna. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: outlier detection for high dimensional data. authors: c aggarwal , p yu. venue: sigmod conference. year: 2001", "productB": "title: subspace selection for clustering high-dimensional data. authors: c baumgartner , c plant , k kailing , hp kriegel , p. venue: nan. year: nan", "same": false}
+{"productA": "title: management of multidimensional discrete data. authors: p baumann. venue: vldb j.. year: 1994", "productB": "title: management of multidimensional discrete data in database systems. authors: pasb furtado. venue: nan. year: nan", "same": false}
+{"productA": "title: composing web services on the semantic web. authors: b medjahed , a bouguettaya , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: daml-s : web service description for the semantic web. authors: a ankolekar , m burstein , jr hobbs , o lassila , d. venue: lecture notes in computer science ,. year: 2002.0", "same": false}
+{"productA": "title: sybase replication server. authors: a gorelik , y wang , m deppe. venue: sigmod conference. year: 1994", "productB": "title: replication server : a component of sybase system 10. authors: n monserrat , t palanca , m deppe , b hartman. venue: technical document , sybase inc. , april ,. year: nan", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: query evaluation and optimization in deductive and object-oriented spatial databases. authors: w lu , j han. venue: information and software technology ,. year: 1995.0", "same": false}
+{"productA": "title: icicles : self-tuning samples for approximate query answering. authors: v ganti , m lee , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: dynamic sample selection for approximate query processing. authors: b babcock , s chaudhuri , g das. venue: sigmod conference ,. year: 2003.0", "same": false}
+{"productA": "title: sql and management of external data. authors: j melton , j michels , v josifovski , k kulkarni , p schwarz , k zeidenstein. venue: sigmod record. year: 2001", "productB": "title: storage and management of similar images. authors: g jomier , m manouvrier , m rukoz. venue: j. braz . comp . soc ,. year: 2000.0", "same": false}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: the l-index : an indexing structure for efficient subsequence matching in time sequence databases. authors: y morinaka , m yoshikawa , t amagasa , s uemura. venue: nan. year: nan", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: subset queries in relational databases. authors: sr valluri , k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: privacy-preserving mining of association rules. authors: v krishnan , i mumbai , s agrawal , i bangalore , j. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: implementauon of dam abstracuon m the relauonal database system ingres. authors: j ong , d fogg , m stonebraker. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1999", "productB": "title: reminiscences on influential papers .. authors: acms anthology. venue: sigmod. year: 1998.0", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: efficient algorithms for processing xpath queries , 28th intl. authors: g gottlob , c koch , r pichler. venue: conf . very large data bases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: distributed query processing in database systems. authors: r epstein , m stonebraker , e wong. venue: proc . acm sigmod , austin . tx . june ,. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: an annotation management system for relational databases. authors: d bhagwat , l chiticariu , wc tan , g vijayvargiya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: parallel and distributed database systems. authors: a procedures. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: multidimensional version for object-oriented databases. authors: e sciore. venue: proceedings vldb ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: m shackleton , p marrow. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: an efficient clustering algorithm for large databases. authors: s guha , r rastogi , kc shim. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: s3 : similarity search in cad database systems. authors: hpbs kriegel. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": false}
+{"productA": "title: improving database design through the analysis of relationships. authors: d dey , v storey , t barron. venue: acm trans . database syst .. year: 1999", "productB": "title: some analytic tools for the design of relational database systems. authors: kk nambiar. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: the semantic web : semantics for data on the web. authors: nan. venue: nan. year: 2003", "productB": "title: section on semantic web and data management : emergent semantics and the multimedia semantic web. authors: wi grotsky , dv sreenath , f fotouhi. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: integration of data mining with database technology. authors: a netz , s chaudhuri , j bernhardt , u fayyad. venue: vldb. year: 2000", "productB": "title: integration of data mining and relational databases. authors: a netz , s chaudhuri , j bernhardt , u fayyad. venue: proc .. year: 2000.0", "same": false}
+{"productA": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb. year: 1995", "productB": "title: open issues in parallel query optimization. authors: d florescu , w hasan , p valdurize. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: b bhattacharjee , s padmanabhan , t malkemus , t lai , l cranston , m huras. venue: vldb. year: 2003", "productB": "title: multidimensional paging for efficient database querying. authors: th merrett. venue: proceedings of the international conference in management of. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: query processmg ma relauonal database management system. authors: k youssefi , e wong. venue: proceedmgs of 1979 vldb conference ,. year: nan", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: design , implementation , and evaluation of the constraint language cc ( fd ). authors: p van hentenryck , v saraswat , y deville. venue: lecture notes in computer science ,. year: 1995.0", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: multi-query optimization. authors: tk sellis. venue: acm trans . on database systems ,. year: nan", "same": false}
+{"productA": "title: design and implementation of a genetic-based algorithm for data mining. authors: s choenni. venue: vldb. year: 2000", "productB": "title: the design and implementation of an extendible deductive database system. authors: j kiernan , e simon. venue: sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: the bt-tree : a branched and temporal access method. authors: l jiang , b salzberg , d lomet , m garc\u044da. venue: vldb. year: 2000", "productB": "title: the r * - tree : an efficient and robust access method. authors: b becker , h kriegel , r schneider , b seeger. venue: 9th acm sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: rr knight. venue: bt technology journal ,. year: 1998.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: java and relational databases : sqlj. authors: g clossman , p shaw. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: semantic integration of semi-structured data. authors: s lim , y ng. venue: nan. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: lore : a database management system for semistructued data. authors: j mchugh , s abiteboul , r goldman\u00e2 ? \u00a6. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editors ' notes. authors: c knapper , s piccinin. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: distributed query processing in database systems. authors: r epstein , m stonebraker , e wong. venue: proc . acm sigmod , austin . tx . june ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: vxmlr : a visual xml-relational database system. authors: azh lu , s zheng , yllzw ji , z tian. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: mining quantitative association rules in large tables. authors: r srikant , r agrawal. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's ( farewell ) notes. authors: nan. venue: nan. year: 1995", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: naos-e-cient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , h svensen. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: grid data management systems & services. authors: nan. venue: nan. year: 2003", "productB": "title: view management in distributed data base systems. authors: e bertino , lm haas , bg lindsay. venue: vldb ,. year: 1983.0", "same": false}
+{"productA": "title: a database model for object dynamics. authors: m papazoglou , b kr\u0444mer. venue: vldb j.. year: 1997", "productB": "title: a data model and data structures for moving objects databases. authors: l florizzi , rh gutting , e nardelli , m schneider. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editors ' introduction. authors: dc phillips , e callan. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: online query processing. authors: jm hellerstein , pj haas. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: models of distributed systems. authors: km andy. venue: proc . 3rd znt . conf very large databases , tokyo , japan ,. year: nan", "same": false}
+{"productA": "title: database research at nthu and itri. authors: a chen. venue: sigmod record. year: 1994", "productB": "title: database research at la trobe university. authors: j zeleznikow. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: electronic commerce : tutorial. authors: n adam , y yesha. venue: sigmod conference. year: 1998", "productB": "title: inhibitors to adoption of electronic commerce .. authors: p murchland. venue: electronic markets ,. year: nan", "same": false}
+{"productA": "title: indexing multimedia databases ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: multimedia database management systems ( panel ). authors: s christodoulakis. venue: sigmod conference ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: towards an object oriented database\u00e2 ?? a relational view. authors: c miguens. venue: conference proceedings on data management 91 table of & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: boolean query mapping across heterogeneous information sources. authors: kcc chang. venue: nan. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: a fast distributed algorithm for mining association rules. authors: dw cheung , j han , vt ng , aw fu , y fu. venue: proceedings of the fourth international conference on on & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: efficient ir-style keyword search over relational databases. authors: v hristidis. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: data placement in shared-nothing parallel database systems. authors: m mehta , d dewitt. venue: vldb j.. year: 1997", "productB": "title: efficient locking for shared memory database systems. authors: ld molesky , k ramamritham. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: s amer-yahia , s cluet , c delobel. venue: vldb. year: 1998", "productB": "title: migrating relational databases to object technology. authors: a behm. venue: nan. year: nan", "same": false}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: query processing for distance metrics. authors: jtl wang , d shasha. venue: vldb ,. year: 1990.0", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j. venue: proc . acm sigmod int ' l conf . management of. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: eect of data skewness in parallel mining of association rules. authors: dw cheung , y xiao. venue: nan. year: nan", "same": false}
+{"productA": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: a poulovassilis , c small. venue: vldb. year: 1994", "productB": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: efficient maintenance of materialized mediated views. authors: j lu , g moerkotte , j sch\u045c , v subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: efficiently updating materialized views , '' acm sigmod int. authors: j blakely , pa larson , fw tompa. venue: conf . on management of data , washington , dc , may ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: access path selection in a relational database management system. authors: pg selinger , mm astrahan , dd chamberlin. venue: sigmod conference ,. year: 1979.0", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a kernper , g moerkotte , k peithnert , m steinbrunn. venue: nan. year: nan", "same": false}
+{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: a keller , j basu. venue: vldb j.. year: 1996", "productB": "title: associative caching in client-server databases. authors: j basu. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: a foundation for multidimensional databases , vldb\u00e2 ?? 97. authors: m gyssens , lvs lakshmanan. venue: proceedings of 23rd international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: distributed database management. authors: jb rothnie. venue: vldb ,. year: 1978.0", "same": false}
+{"productA": "title: datablitz : a high performance main-memory storage manager. authors: j baulier , p bohannon , s gogate , s joshi , c gupta , a khivesera , h korth , p mcilroy , j miller , p narayan , m nemeth , r rastogi , a silberschatz , s sudarshan. venue: vldb. year: 1998", "productB": "title: quickstore : a high performance mapped object store. authors: sj white , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: querying object-orienteddatabases. authors: wk michaelkifer , y sagiv. venue: proc . of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: s guha , d gunopulos , n koudas , d srivastava , m vlachos. venue: vldb. year: 2003", "productB": "title: efficient evaluation of parameterized pattern queries. authors: c du mouza , p rigaux , m scholl. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb. year: 1998", "productB": "title: discovery of interesting usage patterns from web data. authors: r cooley , pn tan , j srivastava. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , hd groger , m missikoff. venue: acm transactions on database systems ,. year: 1998.0", "same": false}
+{"productA": "title: qbi : query by icons. authors: a massari , s pavani , l saladini , p chrysanthis. venue: sigmod conference. year: 1995", "productB": "title: qbi : query by icons .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: commands as media : design and implementation of a command stream. authors: jl herlocker , ja konstan. venue: proceedings of the third acm international conference on & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: on the minimization of xpath queries. authors: s bottcher. venue: nan. year: nan", "same": false}
+{"productA": "title: keynote address. authors: nan. venue: nan. year: 1995", "productB": "title: keynote address. authors: gm hopper. venue: history of programming. year: nan", "same": false}
+{"productA": "title: caching multidimensional queries using chunks. authors: p deshpande , k ramasamy , a shukla , j naughton. venue: sigmod conference. year: 1998", "productB": "title: querying multidimensional databases. authors: l cabibbo , r torlone. venue: nan. year: nan", "same": false}
+{"productA": "title: trex : dtd-conforming xml to xml transformations. authors: a zhou , q wang , z guo , x gong , s zheng , h wu , j xiao , k yue , w fan. venue: sigmod conference. year: 2003", "productB": "title: biotransformations. authors: k faber. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: improving adaptable similarity query processing by using approximations. authors: m ankerst , b braunm\u045cller , h kriegel , t seidl. venue: vldb. year: 1998", "productB": "title: approximate query processing using wavelets. authors: kc cgrs , mn garofalakis , r rastogi , k shim. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: hierarchical compact cube for range-max queries. authors: s lee , t ling , h li. venue: vldb. year: 2000", "productB": "title: hierarchical prefix cubes for range-sum queries. authors: cy chan , ye ioannidis. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: efficient construction of regression trees with range and region splitting. authors: y morimoto , h ishii , s morishita. venue: vldb. year: 1997", "productB": "title: implementation and evaluation of decision trees with range and region splitting. authors: y morimoto , t fukuda , s morishita , t tokuyama. venue: constraints ,. year: 1997.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: effective clustering of complex data in object-oriented database systems. authors: j cheng , ar hurson. venue: proceedings acm sigmod , pages ,. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: the gem\u00e2 ?? stone data management system. authors: r bretl , d maier , a otis , j penney , b schuchardt ,. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction. authors: portal.acm.org. venue: nan. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: querying object-oriented databases. authors: m kifer. venue: nan. year: nan", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: a foundation for multi-dimensional db. authors: m gyssens , vs lakshmanan. venue: proc . of the 23rd vldb ,. year: nan", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: research directions in object-oriented databases. authors: w kim. venue: proc . of the 9th acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: fast algorithms for mining association rules in large databases. authors: r argrawal , r srikant. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: naos-efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: subspace clustering for high dimensional data : a review. authors: l parsons , e haque , h liu. venue: nan. year: nan", "same": false}
+{"productA": "title: approximate frequency counts over data streams. authors: g manku , r motwani. venue: vldb. year: 2002", "productB": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: efficient maintenance of materialized mediated views. authors: j lu , g moerkotte , j sch\u045c , v subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: efficient materialization and use of views in data warehouses .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: characterization and optimization of commit processing performance in distributed database systems. authors: j haritsa , k ramamritham , r gupta. venue: nan. year: nan", "same": false}
+{"productA": "title: probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: temporal databases. authors: i ahn , r snodgrass. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2001", "productB": "title: head/director 's message. authors: rdae status. venue: nan. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: mir livny , '' birch : an efficient data clustering method for very large databases , ''. authors: t zhang , r ramakrishnan. venue: proc . sigmod intl. conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: exploratory mining via constrained frequent set queries. authors: r ng , l lakshmanan , j han , t mah. venue: sigmod conference. year: 1999", "productB": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: lvs lakshmanan , rt ng , j han , a pang. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: a parallel index for semistructured data. authors: b cooper , n sample , m shadmon. venue: nan. year: nan", "same": false}
+{"productA": "title: toward learning based web query processing. authors: y diao , h lu , s chen , z tian. venue: vldb. year: 2000", "productB": "title: knowledge bassed query processing. authors: mm hanuner , sb zdonik. venue: proceedings of the 6th vldb conference. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: performance evaluation of a temporal database management system. authors: i ahn , r snodgrass. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: andk . shim , 2000 . \u00e2 ?? efficient algorithms for miningoutliers fromlarge datasets\u00e2 ??. authors: s ramaswarny , r rastogi. venue: proc . of theacm sigmod 2000 int . conference on management of. year: nan", "same": false}
+{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: nan. venue: nan. year: 1998", "productB": "title: krdb ' 98 : the 5th international workshop on knowledge representation meets databases .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: introduction to object-oriented databases. authors: ma garvey , ms jackson. venue: information and software technology ,. year: 1989.0", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ase omiecinski , s navathe. venue: i > proc . 21st int &#39; l conf . very large data bases , < / i > morgan & hellip ; ,. year: nan", "same": false}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: in proceedings of the 7th east-european conference on advances in databases and information systems. authors: a albani , a keiblinger , k turowski , c winnewisser. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: the bea/xqrl streaming xquery processor. authors: d florescu , c hillery , d kossmann , p lucas , f riccardi , t westmann , m carey , a sundararajan , g agrawal. venue: vldb. year: 2003", "productB": "title: the xml stream query processor spex. authors: f bry , f coskun , s durmaz , t furche , d olteanu , m. venue: nan. year: nan", "same": false}
+{"productA": "title: data compression support in databases. authors: b iyer , d wilhite. venue: vldb. year: 1994", "productB": "title: data and databases. authors: c databases , d warehouses , ae technology , ip. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: object and rle management m the exodus extensible database system. authors: cmj carey , dj dewltt , je i & ha & on , ej shelata. venue: proceedmgs of 1986 vldb conference ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor\u00e2 ?? s notes. authors: gr maughan. venue: new directions for higher education ,. year: 2001.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a deductive and object-oriented database system : why and how ?. authors: l vieille. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: an algorithm for answering queries efficiently using views. authors: p mitra. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: piers : an efficient model for similarity search in dna sequence databases. authors: xcscl beng , kh tung. venue: sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb ,. year: 1995.0", "same": false}
+{"productA": "title: efficient execution of joins in a star schema. authors: a weininger. venue: sigmod conference. year: 2002", "productB": "title: efficient execution of computation modules in a model with massive data. authors: g kratkiewicz , rk bostwick , gs knauth. venue: data engineering , 2004 . proceedings . 20th international. year: nan", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the aditi deductive database system. authors: j vaghanl , k ramamohanarao , db kemp , z somogyi , pj. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimizing queries on compressed bitmaps. authors: s amer-yahia , t johnson. venue: vldb. year: 2000", "productB": "title: path queries on compressed xml. authors: p buneman , m grohe , c koch. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: a note on `` beyond market baskets : generalizing association rules to correlations ''. authors: km ahmed , y taha. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: semantics and implications of schema evolution in object-oriented databases .. authors: j banerjee , w kim , h kim , h korth. venue: proceedings of acm sigmod , san francisco ,. year: nan", "same": false}
+{"productA": "title: the need for distributed asynchronous transactions. authors: l do , p ram , p drew. venue: sigmod conference. year: 1999", "productB": "title: distributed logging for transaction processing. authors: ds daniels , az spector , ds thompson. venue: acm sigmod record ,. year: 1987.0", "same": false}
+{"productA": "title: a performance evaluation of oid mapping techniques. authors: a eickler , c gerlhof , d kossmann. venue: vldb. year: 1995", "productB": "title: towards a benchmarking for the evaluation of software testing techniques. authors: j miller , m roper , m wood , a brooks. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record. year: 2002", "productB": "title: standard for multimedia databases. authors: jr smith. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: index concurrency control in firm real-time database systems. authors: b goyal , j haritsa , s seshadri , v srinivasan. venue: vldb. year: 1995", "productB": "title: reactive consistency control in deductive databases. authors: pc lockemann , g moerkotte. venue: acm. year: nan", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: grid data management systems & services. authors: a jagatheesan , r moore. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: distributed database systems -- four case studies. authors: j gray , m anderton. venue: ieee tods , also tandem. year: nan", "same": false}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: mining generalized association rules. authors: r agrawal , r srikant. venue: proceedings of the 1995 international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: insight into object-oriented databases. authors: s khoshafian. venue: information and software technology ,. year: 1990.0", "same": false}
+{"productA": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein , d kamber. venue: vldb. year: 1995", "productB": "title: integrating active concepts into an object-oriented database system .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimizing queries on files. authors: m consens , t milo. venue: sigmod conference. year: 1994", "productB": "title: optimizing multi-feature queries for image databases. authors: u guntzer , wt balke , w kie\u00e3?ling. venue: proc . of the twenty-sixth international conference on very & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: warehousing workflow data : challenges and opportunities. authors: a bonifati , f casati , u dayal , m shan. venue: vldb. year: 2001", "productB": "title: heterogeneous computing : challenges and opportunities. authors: aa khokhar , vk prasanna , me shaaban , cl wang. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: cost-based selection of path expression in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: proc . 22nd international conference on very large data bases. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: m jarke. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: parallel i/o systems - guest editor 's introduction. authors: a choudhary. venue: journal of parallel and distributed computing ,. year: nan", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: catching the boat with strudel : experience with a web-site management system. authors: d florescu , m fernandez , j kang , a levy , d suciu. venue: proceedings of acm sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: research issues in spatial databases. authors: o gunther , a buchmann. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: r cochrane , h pirahesh , n mattos. venue: vldb. year: 1996", "productB": "title: integrity constraints in active database system. authors: ap sistla , owt conditions. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: a foundation for multi-dimensional databases. authors: g marc , l laks. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: efficient parallel data mining for association rules. authors: js park , ms chen , ps yu\u00e2 ? \u00a6. venue: nan. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: lore : a database management system for semistructured data. authors: s abiteboul , j mchugh , d quass , j widom , r goldman. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: temporal aggregation in active databases. authors: i motakis , c zaniolo. venue: int . conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: gea : a toolkit for gene expression analysis. authors: j phan , r ng. venue: sigmod conference. year: 2002", "productB": "title: wum : a tool for web utilization analysis. authors: m spiliopoulou , lc faulstich. venue: lecture notes in computer science ,. year: 1999.0", "same": false}
+{"productA": "title: phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , y xu. venue: vldb. year: 2003", "productB": "title: a system for phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , yx pix. venue: proceedings of the ieee international conference on data & hellip ; ,. year: nan", "same": false}
+{"productA": "title: on xml and databases : where 's the beef ? ( panel abstract ). authors: m carey. venue: sigmod conference. year: 2000", "productB": "title: of xml and databases ( panel session ) : where 's the beef ?. authors: j widom , a bosworth , b lindsay , m stonebraker , d. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: adapting materialized views after redefinitions. authors: a gupta , i mumick , k ross. venue: sigmod conference. year: 1995", "productB": "title: adapting materialized views after redefinition in distributed environments. authors: z bellahsene. venue: nan. year: nan", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: set-oriented mining for association rules in relational databases. authors: m houtsma , a swami. venue: nan. year: nan", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: a. : 1993 , mining association rules between sets of items in large databases. authors: ri agrawal , t swami. venue: proceedings of the 1993 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: agrawal , r. ; srikant , r. : fast algorithms for mining association rules. authors: s agrawal. venue: proceedings of the 20th international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query optimization in the presence of foreign functions. authors: s chaudhuri , k shim. venue: proceedings of the international conference on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: data grid management systems. authors: rw moore , a jagatheesan. venue: nan. year: nan", "same": false}
+{"productA": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record. year: 2000", "productB": "title: implementation and analysis of a parallel collection query language. authors: d suciu. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: toward learning based web query processing. authors: y diao , h lu , s chen , z tian. venue: vldb. year: 2000", "productB": "title: low-cost compensation-based query processing. authors: , so hvasshovd. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: information management for genome level bioinformatics. authors: nan. venue: nan. year: 2001", "productB": "title: an approach to information management for cad/vlst applications. authors: d mcleod , k narayanawamy , k bapa rao. venue: proc . sigmod conference on databases for engineering & hellip ; ,. year: nan", "same": false}
+{"productA": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: c aggarwal. venue: sigmod record. year: 2001", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agarwal , j gehrke , d gunopolos , p raghavan. venue: proc . of sigmod ,. year: nan", "same": false}
+{"productA": "title: improving performance with bulk-inserts in oracle r-trees. authors: n an , k kanth , s ravada. venue: vldb. year: 2003", "productB": "title: improved query performance with variant indexes. authors: d quass. venue: nan. year: nan", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: safe lazy software upgrades in object-oriented databases. authors: b liskov , c moh , s richman , l shrira , y cheung , c. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for keyword proximity search on xml databases. authors: a balmin , v hristidis , n koudas , y papakonstantinou , d srivastava , t wang. venue: vldb. year: 2003", "productB": "title: dbxplorer : a system for keyword-based search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: nan. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: grid data services\u00e2 ?? relational database management systems. authors: b collins , a borley , n hardman , a knox , s laws , j. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: computing geographical scopes of web resources. authors: j ding , l gravano , n shivakumar. venue: vldb. year: 2000", "productB": "title: a framework for categorizing and computing geographical locality for web resources. authors: c wang , x xie , z hua , l wang , y lu , wy ma. venue: nan. year: nan", "same": false}
+{"productA": "title: databases for networks. authors: h jagadish. venue: sigmod conference. year: 1994", "productB": "title: coding techniques for digital data networks. authors: j massey. venue: proc .. year: nan", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: umform techniques for loop optimization , in proceedings of the acm international conference on. authors: w pugh. venue: nan. year: 1991.0", "same": false}
+{"productA": "title: incremental maintenance of recursive views using relational calculus/sql. authors: g dong , j su. venue: sigmod record. year: 2000", "productB": "title: incremental maintenance of path-expression views. authors: a sawires , j tatemura , o po , d agrawal , ks candan. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: elements of data management systems. authors: gg dodd. venue: acm computing surveys ( csur ) ,. year: 1969.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: i. introduction. authors: d madison. venue: & hellip ; issues in evaluation . new directions in program evaluation ,. year: nan", "same": false}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: fast subsequence matchingin time-seriesdatabases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: fast algorithms for mining association rules in databases. authors: r agrawal , r srikant. venue: the 20th int &#39; l conf . on vldb , chile ,. year: nan", "same": false}
+{"productA": "title: object normal forms and dependency constraints for object-oriented schemata. authors: z tari , j stokes , s spaccapietra. venue: acm trans . database syst .. year: 1997", "productB": "title: , spaccapietra stefano : object normal forms and dependency constraints for object-oriented schemata. authors: t zahir. venue: acm transactions on database. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: idiff : informative summarization of differences in multidimensional aggregates. authors: s sarawagi. venue: data mining and knowledge discovery ,. year: 2001.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: en swami a , 1993 , \u00e2 ?? mining association rules between sets of items in large databases\u00e2 ??. authors: r agrawal , t imielinski. venue: proceedings of the international acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: database research at the university of illinois at urbana-champaign. authors: m winslett , k chang , a doan , j han , c zhai , y zhou. venue: sigmod record. year: 2002", "productB": "title: database research at la trobe university. authors: j zeleznikow. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: introduction. authors: v honavar , c higuera. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: introduction to constraint databases. authors: b kuijpers. venue: acm sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: vldb j.. year: 1996", "productB": "title: optimization of data stream processing. authors: jr getta , e vossough. venue: acm sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: data mining techniques. authors: j han. venue: sigmod conference. year: 1996", "productB": "title: data mining techniques based on the self-organizing map. authors: j vesanto. venue: master degree thesis , department of engineering physics and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: optimization and evaluation of generalized top queries. authors: p ciaccia , r cornacchia , a ghidini. venue: nan. year: nan", "same": false}
+{"productA": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: vldb. year: 2003", "productB": "title: a query language and optimization techniques for unstructured data\u00e2 '' in sigmod. authors: p buneman , s davidson , g hillebrand , d suciu. venue: san diego ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: te cyrs. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: integrity checking in deductive databases. authors: a oliv. venue: proceedings of the seventeenth vldb. year: nan", "same": false}
+{"productA": "title: further improvements on integrity constraint checking for stratifiable deductive databases. authors: s lee , t ling. venue: vldb. year: 1996", "productB": "title: integrity constraints in active database system. authors: ap sistla , owt conditions. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein , d kamber. venue: vldb. year: 1995", "productB": "title: an effective deductive object-oriented database through language integration. authors: ml barja , nw paton , aaa fernandes , mh williams. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: content integration for e-business. authors: m stonebraker , j hellerstein. venue: sigmod conference. year: 2001", "productB": "title: process automation as the foundation for e-business. authors: f casati , mc shan. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: hydice system : implementation and performance. authors: rw basedow , me anderson. venue: proc . spie ,. year: 1995.0", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: experiences with a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining association rules between sets in large databases. authors: r aggrawal , t imielinski , a swami. venue: proceedings of the acm-sigmod international conference on. year: nan", "same": false}
+{"productA": "title: transactional client-server cache consistency : alternatives and performance. authors: m franklin , m carey , m livny. venue: acm trans . database syst .. year: 1997", "productB": "title: concurrency control performance modeling : alternatives andimplications. authors: r agrawal , mj carey , m livny. venue: acm trans . database systems ,. year: nan", "same": false}
+{"productA": "title: information rules. authors: d stirling. venue: sigmod record. year: 2003", "productB": "title: information architects. authors: p bradford , rs wurman. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: similarity searching in medical image databases. authors: egm petrakis , c faloutsos. venue: nan. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: databsse system approach the management decision support. authors: jj donovan. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: spatial query processmg m an object-oriented database system. authors: ja orenstem. venue: proc acm sigmod int\u00e2 ?? l conf on the management of data ,. year: nan", "same": false}
+{"productA": "title: integration of data mining with database technology. authors: a netz , s chaudhuri , j bernhardt , u fayyad. venue: vldb. year: 2000", "productB": "title: integration of heterogeneous databases. authors: jma d\u00e3az. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: vldb j.. year: 1996", "productB": "title: multi-model based optimization for stream query processing. authors: y liu , b plale. venue: nan. year: nan", "same": false}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: integrating active concepts into an object-oriented database system .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: spire : a progressive content-based spatial image retrieval engine. authors: c li , l bergman , v castelli , j smith. venue: sigmod conference. year: 2000", "productB": "title: an integrated color-spatial approach to content-based image retrieval. authors: w hsu , ts chua , hk pung. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: oz + : an object-oriented database system. authors: sp weiser , fh lochovsky. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: introduction to constraint databases. authors: pz revesz. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: sigmod conference. year: 2001", "productB": "title: learning probabilistic relational models. authors: l getoor\u00e2 ? \u00a6. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: a template model for multidimensional inter-transactional association rules. authors: l feng , j yu , h lu , j han. venue: vldb j.. year: 2002", "productB": "title: a multidatabase transaction model for interbase. authors: ak elmagarmid , y leu , w litwin. venue: vldb ,. year: 1990.0", "same": false}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: c lustering d atabase o bjects for s emantic i ntegration of h eterogeneous d atabases. authors: h zhao , s ram. venue: nan. year: nan", "same": false}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: storage estimation of multidimensional aggregates in a data warehouse environment. authors: b shah , k ramachandran , v raghavan. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of schema-restructuring views in schemasql. authors: a koeller , ea rundensteiner. venue: knowledge and data engineering , ieee transactions on ,. year: 2004.0", "same": false}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: selection and maintenance of views in a data warehouse. authors: h gupta. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: dbxplorer : a system for keyword-based search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: nan. year: nan", "same": false}
+{"productA": "title: partition selection policies in object database garbage collection. authors: j cook , a wolf , b zorn. venue: sigmod conference. year: 1994", "productB": "title: partitioned garbage collection of a large object store. authors: u maheshwari , b liskov. venue: nan. year: nan", "same": false}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: an index structure for efficient reverse nearest neighbor queries. authors: c yang , ki lin. venue: nan. year: nan", "same": false}
+{"productA": "title: redo recovery after system crashes. authors: d lomet , m tuttle. venue: vldb. year: 1995", "productB": "title: redo recovery principles. authors: o background. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: a multi-paradigm querying approach for a generic multimedia database management system. authors: j wen , q li , w ma , h zhang. venue: sigmod record. year: 2003", "productB": "title: two approaches for integrating symbolic images into a multimedia database system : a comparative. authors: a soffer , h samet. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: irisnet : an architecture for internet-scale sensing services. authors: s nath , a deshpande , y ke , p gibbons , b karp , s seshan. venue: vldb. year: 2003", "productB": "title: creating a scalable architecture for internet measurement. authors: a adams , j mahdavi , m mathis. venue: nan. year: nan", "same": false}
+{"productA": "title: bottom-up computation of sparse and iceberg cubes. authors: k beyer , r ramakrishnan. venue: sigmod conference. year: 1999", "productB": "title: efficient computation of iceberg cubes with complex measures. authors: j han , j pei , g dong , k wang. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: v atluri , a joshi , y yesha. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: q cheng , j gryz , f koo , t leung , l liu , x qian , k schiefer. venue: vldb. year: 1999", "productB": "title: implementation of logic query languages for databases. authors: j ullman. venue: acm trans . on database systems. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: lore : a database management systemfor semistruc-tured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmodrecord ,. year: nan", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: cactis : a self-adaptive , concurrent implementation of an object-oriented database management system .. authors: se hudson , r king. venue: acm transactions on database systems ,. year: 1989.0", "same": false}
+{"productA": "title: algorithms for querying by spatial structure. authors: d papadias , n mamoulis , v delis. venue: vldb. year: 1998", "productB": "title: a clustering algorithm for hierarchical structures. authors: m schkolnick. venue: acm trans . database syst ,. year: 1977.0", "same": false}
+{"productA": "title: cache investment : integrating query optimization and distributed data placement. authors: d kossmann , m franklin , g drasch. venue: acm trans . database syst .. year: 2000", "productB": "title: set query optimization in distributed database systems. authors: b gavish , a segev. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: a unified framework for enforcing multiple access control policies. authors: s jajodia , p samarati , v subrahmanian , e bertino. venue: sigmod conference. year: 1997", "productB": "title: a unifying framework for version control in cad. authors: ht chou , w kim. venue: proceedings of the 12th conference on vldb ,. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: a study of index structures for main memory database management systems. authors: tjlmj carey. venue: proceedings of the 12th vldb ,. year: nan", "same": false}
+{"productA": "title: architectures for internal web services deployment. authors: o shmueli. venue: vldb. year: 2001", "productB": "title: a conceptual architecture for semantic enabled web services. authors: c bussler , a maedche , d fensel. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: comparative analysis of six xml schema languages. authors: d lee , w chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of five xml languages. authors: a bonifati , s ceri. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: fast high-dimensional data search in incomplete databases. authors: b ooi , c goh , k tan. venue: vldb. year: 1998", "productB": "title: normalizing incomplete databases. authors: l libkin. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb. year: 1998", "productB": "title: discovery of interesting association rules from livelink web log data. authors: x huang , a an , n cercone , g promhouse. venue: nan. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: statistical database management. authors: hkt wong. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: the database group at university of hagen ( fernuniversitaet ). authors: g schlageter , t berkel , e heuel , s mittrach , a scherer , w wilkes. venue: sigmod record. year: 1995", "productB": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: industry perspectives. authors: l seligman. venue: sigmod record. year: 1997", "productB": "title: industries. authors: itt df_cd. venue: dragonfly companion informal correspondence demonstration , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: a transitive closure basedalgorithm for test generation. authors: stcvd agrawal. venue: nan. year: nan", "same": false}
+{"productA": "title: information director 's message. authors: nan. venue: nan. year: 2000", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: a framework for measuring it innovation benefits. authors: t thorpe. venue: nan. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: a data base management system design philosophy. authors: tj cook. venue: proceedings of the 1975 acm sigmod international conference & hellip ; ,. year: 1975.0", "same": false}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: managing financial time series data : object-relational and object database systems. authors: l molesky , m caruso. venue: tutorial vldb. year: nan", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: naos : efficient and modular capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: 20 thint . conf . on vldb ,. year: nan", "same": false}
+{"productA": "title: repository system engineering. authors: nan. venue: nan. year: 1996", "productB": "title: requirement engineering. authors: apnp rolland , p negoro. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: a scalable parallel classier for data mining. authors: j shafer , r agrawal , m mehta. venue: proc . 22nd international conference on vldb , mumbai , india . (. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: c. , and wallrath , m. 1987 . an object-oriented database system for engineering applications. authors: a kemper , p lockemann. venue: & hellip ; of international conference on management of data , acm. year: nan", "same": false}
+{"productA": "title: active views for electronic commerce. authors: s abiteboul , b amann , s cluet , a eyal , l mignet , t milo. venue: vldb. year: 1999", "productB": "title: xml and electronic commerce. authors: b meltzer , r glushko. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: ma derr , s morishita , g phipps. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: j lee , d kim , c chung. venue: sigmod conference. year: 1999", "productB": "title: improved histogramsforselectivity estimationofrangepredicates. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: acm sigmod int . conf . on management of data , montreal , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: software metrics : guest editor 's introduction. authors: b curtis. venue: tse ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: coordinated backup and recovery between database management systems and file systems. authors: i narang , c mohan , k brannon , m subramanian. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: nan. venue: nan. year: 2003", "productB": "title: report on the 1st international symposium on the applications of constraint databases ( cdb\u00e2 ?? 04 ). authors: b kuijpers , p revesz. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm trans . database syst .. year: 1994", "productB": "title: keyword search in relational databases. authors: dp sokol. venue: nan. year: nan", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: design and implementation of the glue-nail database system. authors: mads morishita , g phippst. venue: nan. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: temporal database. authors: emk bibliography. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: database systems management and oracle8. authors: cg doherty. venue: sigmod conference ,. year: 1998.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: high-dimensional index structures , database support for next decade 's applications. authors: s berchtold , da keim. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: rule management in objectoriented database systems. authors: o diaz , nw paton , pmd gray. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: reordering query execution in tertiary memory databases. authors: s sarawagi , m stonebraker. venue: vldb. year: 1996", "productB": "title: query execution scheduling in parallel object-oriented databases. authors: d taniar , chc leung. venue: information & software technology ,. year: 1999.0", "same": false}
+{"productA": "title: querying and mining data streams : you only get one look a tutorial. authors: nan. venue: nan. year: 2002", "productB": "title: data stream query processing : a tutorial. authors: n koudas , d srivastava. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: quorum consensus in nested transaction systems. authors: k goldman , n lynch. venue: acm trans . database syst .. year: 1994", "productB": "title: synchronization in nested transactions. authors: rf resende. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: contextual insight in search : enabling technologies and applications. authors: a \u00e3?hrn. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: query processing techniques for arrays. authors: a marathe , k salem. venue: sigmod conference. year: 1999", "productB": "title: query processing techniques for multiversion access methods. authors: b jvd , b seeger. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: optimization techniques for queries with expensive methods. authors: j hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: join queries with external text sources : execution and optimization techniques. authors: s chaudhuri , u dayal , tw yan. venue: sigmod conference ,. year: 1995.0", "same": false}
+{"productA": "title: the aggregate data problem : a system for their definition and management. authors: m rafanelli , a bezenchek , l tininini. venue: sigmod record. year: 1996", "productB": "title: tools for information systems design and management. authors: c rolland , s leifert , c richard. venue: proc . 5th int . conf . on vldb ,. year: nan", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: active object-oriented database systems for cim applications. authors: g kappel , s rausch-schott , w retschitzegger , am. venue: nan. year: nan", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: efficient view maintenance at data warehouses. authors: t yurek. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: replication : db2 , oracle , or sybase ?. authors: d stacey. venue: sigmod record. year: 1995", "productB": "title: replication : db2 , oracleorsybase , databaseprogramminganddesign , 7 ( 12 ) . reprinted in. authors: d stacey. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: k n\u0458rv\u0445g. venue: vldb. year: 1999", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: semantic integrity support in sql : 1999 and commercial ( object - ) relational database management systems. authors: c t\u045crker , m gertz. venue: vldb j.. year: 2001", "productB": "title: xml and relational database management systems : the inside story. authors: m rys , d chamberlin , d florescu. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: fintime - a financial time series benchmark. authors: k jacob , d shasha. venue: sigmod record. year: 1999", "productB": "title: fintime-a financial time series benchmark .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: maintaing data privacy in association rule mining. authors: sj rizvi , jr haritsa. venue: proceedings of the 28th international conference on very. year: nan", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: mining generalized association rules in large relational tables. authors: r sirkant , r agrawal. venue: proc . of acm sigmod conf . on management data ,. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: algorithms for mining association rules in bag databases. authors: py hsu , yl chen , cc ling. venue: information sciences\u00e2 ?? informatics and computer science : an & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editor 's introduction : visualization. authors: ae kaufman. venue: computer ,. year: 1994.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: features of the orion object-oriented database system. authors: w kim , n ballou , ht chou , jf garza , d woelk. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: watermarking relational databases. authors: j kiernan , r agrawal. venue: proceedings of the 28th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: sigmod conference. year: 1996", "productB": "title: optimizing top-k selection queries over multimedia repositories . accepted for publication. authors: s chaudhuri , l gravano , a marian. venue: ieee transactions on knowledge and data engineering ( tkde ) ,. year: nan", "same": false}
+{"productA": "title: query processing techniques for arrays. authors: a marathe , k salem. venue: vldb j.. year: 2002", "productB": "title: query execution techniques for caching expensive methods. authors: jm hellerstein , jf naughton. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: minimal probing : supporting expensive predicates for top-k queries. authors: k chang , s hwang. venue: sigmod conference. year: 2002", "productB": "title: query execution techniques for caching expensive predicates. authors: jm hellerstein , j naughton. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: ja wheeler. venue: numerical astrophysics ,. year: 1985.0", "same": false}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: temporal databases. authors: j chomicki. venue: nan. year: nan", "same": false}
+{"productA": "title: wavelet synopses with error guarantees. authors: m garofalakis , p gibbons. venue: sigmod conference. year: 2002", "productB": "title: one-pass wavelet synopses for maximum-error metrics. authors: p karras , n mamoulis. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: spatial query processmg m an object-oriented database system. authors: ja orenstem. venue: proc acm sigmod int\u00e2 ?? l conf on the management of data ,. year: nan", "same": false}
+{"productA": "title: evaluating top-k selection queries. authors: s chaudhuri , l gravano. venue: vldb. year: 1999", "productB": "title: lazy evaluation of active xml queries. authors: s abiteboul , o benjelloun , b cautis , i manolescu ,. venue: proc . of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: p atzeni , r torlone. venue: sigmod conference. year: 1997", "productB": "title: mdas : heterogeneous distributed database management system. authors: bc desai , r pollock. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: an object-oriented specification for compiler. authors: pc wu , fj wang. venue: acm sigplan notices ,. year: 1992.0", "same": false}
+{"productA": "title: managing a db2 parallel edition database. authors: g fecteau. venue: vldb. year: 1995", "productB": "title: managing change in a cad database. authors: r katz , e chang. venue: proc . 13th int . conf . on very large databases ,. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: aurora * : a distributed stream processing system. authors: h balakrishnan , d carney , u cetintemel , m. venue: submitted for. year: nan", "same": false}
+{"productA": "title: t2 : a customizable parallel database for multi-dimensional data. authors: c chang , a acharya , a sussman , j saltz. venue: sigmod record. year: 1998", "productB": "title: parallel query support for multidimensional data. authors: k hahn. venue: vldb\u00e2 ?? 2001 workshop-supercomputing databases , rome , italy ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for the inference of minimum size dfas. authors: al oliveira , jpm silva. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: approximate query translation across heterogeneous information sources. authors: k chang , h garcia-molina. venue: vldb. year: 2000", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: cck chang , h garcia-molina. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: the role of integrity constraints in database interoperation. authors: m vermeer , p apers. venue: vldb. year: 1996", "productB": "title: on rules and integrity constraints in database systems. authors: tw ling , pk teo. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: the new middleware. authors: r finkelstein. venue: sigmod record. year: 1995", "productB": "title: the middle west. authors: jf hart. venue: geography ,. year: 1962.0", "same": false}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: integration approaches for cim. authors: mc norrie. venue: nan. year: nan", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: new neighbor search in large metric space. authors: s brin. venue: proceedings of the. year: nan", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: maintaining data privacy in association rule mining. authors: sj rizvi , jr haritsa. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: object and rle management m the exodus extensible database system. authors: cmj carey , dj dewltt , je i & ha & on , ej shelata. venue: proceedmgs of 1986 vldb conference ,. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: watermarking relational databases. authors: r sion , m atallah , s prabhakarl. venue: i ndiana : the center for education and research in information. year: nan", "same": false}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: evaluation systems are more than information systems .. authors: la braskamp. venue: new directions for higher education ,. year: 1982.0", "same": false}
+{"productA": "title: using semantic values to falilitate interoperability among heterogeneous information systems. authors: e sciore , m siegel , a rosenthal. venue: acm trans . database syst .. year: 1994", "productB": "title: semantic integration and query of heterogeneous information sources. authors: s bergamaschi , s castano , m vincini , d beneventano. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: nan. venue: nan. year: 2003", "productB": "title: report on the first ieee international workshop on networking meets databases ( netdb\u00e2 ?? 05 ). authors: c shahabi , r govindan , k aberer. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: rsrikant . fast algorithms for mining association rules. authors: ra rr941. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 41.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: properties on non-first-normal-form relational databases. authors: h arisawa , k moriya , t miura. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: quality of service in multimedia digital libraries. authors: e bertino , a elmagarmid , m hacid. venue: sigmod record. year: 2001", "productB": "title: quality of service guarantees for multimedia digital libraries and beyond. authors: g weikum. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction : computer-generated music. authors: dl baggi. venue: computer ,. year: 1991.0", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: rule management in objectoriented database systems. authors: o diaz , nw paton , pmd gray. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: r diem. venue: social studies and the young learner ,. year: nan", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: watermarking relational databases. authors: r sion , m atallah , s prabhakarl. venue: i ndiana : the center for education and research in information. year: nan", "same": false}
+{"productA": "title: the software information base : a server for reuse. authors: p constantopoulos , m jarke , j mylopoulos , y vassiliou. venue: vldb j.. year: 1995", "productB": "title: mapinfo spatialware : a spatial information server for rdbms .. authors: c mina. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: rainbow : distributed database system for classroom education and experimental research. authors: a helal , h li. venue: vldb. year: 2000", "productB": "title: notes on ddts : an apparatus for experimental research in distributed database management systems. authors: r elmasri , c devor , s rahimi. venue: acm sigmod record ,. year: 1981.0", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: extracting local schema from semistructured data based on graph-oriented semantic model. authors: w tengjiao , t shiwei , y dongqing , liu yunfeng , lin. venue: \u00e8 \u00ae \u00a1 \u00e7 \u00ae ? \u00e6?\u00ba\u00e7 \u00a7 ? \u00e5 \u00a6 \u00e6 ?? \u00e6 ? \u00af \u00e5 \u00a6 \u00e6 ? \u00a5 ( \u00e8 ? \u00b1 \u00e6 ?? \u00e7 ?? ) ,. year: 2001.0", "same": false}
+{"productA": "title: multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb. year: 1999", "productB": "title: improved histograms for selectivity estimation. authors: v poosala , y ioannidis , p haas , e shekita. venue: proc . of acm sigmod , montreal , canada ,. year: nan", "same": false}
+{"productA": "title: on the minimization of xpath queries. authors: s flesca , f furfaro , e masciari. venue: vldb. year: 2003", "productB": "title: on the complexity of join queries. authors: m gyssens. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: efficient disk-based k-means clustering for relational databases. authors: c ordonez , e omiecinski. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: data partitioning and load balancing in parallel disk systems. authors: p scheuermann , g weikum , p zabback. venue: vldb j.. year: 1998", "productB": "title: load balancing in parallel disk systems. authors: d partitioning. venue: technical report , in : the vldb. year: nan", "same": false}
+{"productA": "title: a taxonomy of correctness criteria in database applications. authors: k ramamritham , p chrysanthis. venue: vldb j.. year: 1996", "productB": "title: a taxonomy of time in databases. authors: r snodgrass , i ahn. venue: proceedings of the 1985 acm sigmod international conference & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: s abiteboul , j mchugh , m rys , v vassalos , j wiener. venue: vldb. year: 1998", "productB": "title: incremental maintenance of materialized path query views. authors: ea rundensteiner , ha kuno , y zhou. venue: nan. year: nan", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: gral : an extensible relational database system for geometric applications. authors: rh giiting. venue: nan. year: nan", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: efficiently supporting procedures in relational database systems. authors: tk sellis. venue: nan. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: composite object support in an object-oriented database system. authors: w kim871 kim , j banejee , h chou , j garza , d woelk. venue: proc . acm , oopsla , october ,. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization of large join queries : proc. authors: a swami , a gupta. venue: acm sigmod intl. conf . on management of data , pp ,. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: he schaefer , r w\u00e3 1/4 rschum , h gleiter , t tsakalakos. venue: nan. year: nan", "same": false}
+{"productA": "title: issues in developing very large data warehouses. authors: l do , p drew , w jin , v jumani , d rossum. venue: vldb. year: 1998", "productB": "title: some very large data bases in developing countries. authors: sp ghosh , af cardenas , i mijares , g wiederhold. venue: very large data bases , 1979 . fifth international conference & hellip ; ,. year: 1979.0", "same": false}
+{"productA": "title: semantic heterogeneity resolution in federated databases by metadata implantation and stepwise evolution. authors: g aslan , d mcleod. venue: vldb j.. year: 1999", "productB": "title: semantic heterogeneity as a result of domain evolution. authors: v ventrone. venue: acm sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: srikant . r. fast algorithms for mining association rules. authors: r agrawal. venue: & hellip ; conference very large databases , santiago , chile. year: nan", "same": false}
+{"productA": "title: query optimization for selections using bitmaps. authors: m wu. venue: sigmod conference. year: 1999", "productB": "title: query optimisation for nested relations. authors: l golby , ar algebra. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: relational database operators. authors: r fagin , n forms. venue: proc . acm sigmod conf . management of data ,. year: nan", "same": false}
+{"productA": "title: data mining techniques. authors: j han. venue: sigmod conference. year: 1996", "productB": "title: data mining : concepts and techniques. authors: j han , m kamber. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: system level concurrency control for distributed database systems. authors: dj rosenkrantz , re stearns , pm lewis. venue: acm transactions on database systems ,. year: 1978.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: data grid management systems. authors: a rajasekar , a jagatheesan. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction : music in multimedia systems. authors: w effelsberg. venue: nan. year: nan", "same": false}
+{"productA": "title: information integration : the momis project demonstration. authors: d beneventano , s bergamaschi , s castano , a corni , r guidetti , g malvezzi , m melchiori , m vincini. venue: vldb. year: 2000", "productB": "title: intelligent integration ofinformation. authors: g wiederhold. venue: & hellip ; the acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: information retrieval from an incomplete data cube. authors: c dyreson. venue: vldb. year: 1996", "productB": "title: data caching issues in an information retrieval system. authors: r alonso , d barbara , h garcia-molina. venue: acm transactions on database systems ,. year: 1990.0", "same": false}
+{"productA": "title: selectivity estimation in extensible databases - a neural network approach. authors: m lakshmi , s zhou. venue: vldb. year: 1998", "productB": "title: selectivity estimation in spatial databases. authors: s achaya , v poosala , s ramaswamy. venue: proc . acm sigmod int\u00e2 ?? l conf . management of data ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: d ralph , s searby. venue: bt technology journal ,. year: 2003.0", "same": false}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: a visual language for object-oriented databases. authors: cif doodle. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: declustering databases on heterogeneous disk systems. authors: l chen , d rotem , s seshadri. venue: vldb. year: 1995", "productB": "title: data manipulation in heterogeneous databases. authors: a segev , a chatterjee. venue: sigmod. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: fast algo . for mining assoiciation rules. authors: r agrawal , r srikant. venue: proc . the 20th vldb ,. year: nan", "same": false}
+{"productA": "title: view maintenance in mobile computing. authors: o wolfson , a sistla , s dao , k narayanan , r raj. venue: sigmod record. year: 1995", "productB": "title: view maintenance in a warehouse environment. authors: y zhuge , h garcia-molina , jl wiener. venue: acm sigmod int . conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: a framework for clustering evolving data streams. authors: c aggarwal , j han , j wang , p yu. venue: vldb. year: 2003", "productB": "title: clustering of time-series data streams. authors: p rodrigues , j gama , jp pedroso. venue: nan. year: nan", "same": false}
+{"productA": "title: a raster approximation for processing of spatial joins. authors: g zimbrao , j souza. venue: vldb. year: 1998", "productB": "title: efiienr processing of spatial joins using r-trees. authors: t brink & ff , hp kriegel , b seeger. venue: proc . acm sigmod int . conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: toward learning based web query processing. authors: y diao , h lu , s chen , z tian. venue: vldb. year: 2000", "productB": "title: toward an effective calculus for object query processing. authors: lf fm , d maier. venue: proc . acm sigmod conf . on management of. year: nan", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: incremental generalization for mining in a data warehousing environment. authors: m ester , r wittmann. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: algorithms for mining distance-based outliers in large database. authors: k edwin , r ng. venue: new york : in proc . of the vldb conference ,. year: nan", "same": false}
+{"productA": "title: type classification of semi-structured documents. authors: m tresch , n palmer , a luniewski. venue: vldb. year: 1995", "productB": "title: transformation of structured documents with the use of grammar. authors: e kuikka , m penttonen. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: nan. venue: nan. year: 2003", "productB": "title: shoring up persistent applications , acm sigmod international conference on management of data. authors: mj carey , dj dewitt , mj franklin\u00e2 ? \u00a6. venue: minneapolis , minnesota . may ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: shrikant . mining association rules between sets of items in large databases. authors: r agrawal , t imielinski andr. venue: proceedings of acm sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: horizontal data partitioning in database systems. authors: s ceri , m negri , g pelagatti. venue: proc . of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: a framework for designing materialized views in data warehousing environment. authors: j yang , k karlapalem , q li. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal queries in olap. authors: a mendelzon , a vaisman. venue: vldb. year: 2000", "productB": "title: temporal views in olap. authors: cd table , f table. venue: nan. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithmsforminingassociation rules. authors: ra ramakrishnansrikant. venue: proceedings of the 20th vldb conference ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: j regnault , r temple. venue: bt technology journal ,. year: 2001.0", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: the architecture of an active data base management system. authors: dr mecartny , u dayal. venue: proc . acm sigmod , portland ,. year: nan", "same": false}
+{"productA": "title: report on first international workshop on real-time database systems. authors: nan. venue: nan. year: 1996", "productB": "title: an annotated bibliography on real-time database systems. authors: o ulusoy. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: predictive dynamic load balancing of parallel and distributed rule and query processing. authors: h dewan , s stolfo , m hern\u0441ndez , j hwang. venue: sigmod conference. year: 1994", "productB": "title: scalable parallel and distributed expert database systems with predictive load balancing. authors: hm dewan , sj stolfo , l woodbury. venue: journal of parallel and distributed computing ,. year: 1994.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: v quint. venue: electronic publishing ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial wireless ad hoc networks. authors: zj haas , m gerla , db johnson , ce perkins , mb. venue: selected areas in communications , ieee journal on ,. year: 1999.0", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: editorial. authors: s rudkin. venue: bt technology journal ,. year: 2005.0", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: a dynamically adaptive distributed system for processing complex continuous queries. authors: b liu , y zhu , m jbantova , b momberger , ea. venue: proceedings of vldb demo session , page to appear ,. year: 2005.0", "same": false}
+{"productA": "title: using the calanda time series management system. authors: w dreyer , a dittrich , d schmidt. venue: sigmod conference. year: 1995", "productB": "title: unified management of memory and file caching using the v virtual memory system. authors: dr cheriton. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: semantics and implementation of schema evolution in object-oriented databases. authors: j barnejee , w kim , hj kim , h korth. venue: sigmod records ,. year: 1987.0", "same": false}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: on nearest neighbor indexing of nonlinear trajectories. authors: cc aggarwal , d agrawal. venue: nan. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: concurrency control and object-oriented databases. authors: ah skarra , sb zdonik. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: oz + : an object-oriented database system. authors: sp weiser , fh lochovsky. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: on computing correlated aggregates over continual data streams. authors: j gehrke , f korn , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: reverse nearest neighbor aggregates over data streams. authors: f korn , s muthukrishnan , d srivastava. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: equi-depth histograms for estimating selectivity factors for multi-dimensional queries. authors: m muralikrishna , dj dewitt. venue: sigmod conference ,. year: nan", "same": false}
+{"productA": "title: versioning and configuration management in an object-oriented data model. authors: e sciore. venue: vldb j.. year: 1994", "productB": "title: an object-oriented data model. authors: c lecluse , p richard , f velez. venue: proceedings of the acmsigmod international conference on & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: an algebraic approach to rule analysis in expert database systems. authors: e baralis , j widom. venue: vldb. year: 1994", "productB": "title: a systematic approach to relational database theory. authors: t imielinski. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: scheduling algorithms for avoiding inconsistency in large databases. authors: g gardarin , p lebeux. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: discovery of multiple-level association rules from large databases. authors: h jiawei , f yong-jian. venue: proc of ,. year: nan", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: qos management in distributed real-time databases. authors: y wei , sh son , ja stankovic , kd kang. venue: nan. year: nan", "same": false}
+{"productA": "title: data management research at the mitre corporation. authors: a rosenthal , l seligman , c mccollum , b blaustein , b thuraisingham , e lafferty. venue: sigmod record. year: 1995", "productB": "title: data management research at technische universitat darmstadt. authors: a buchmann , m cilia. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: constraint databases. authors: k hinrichs , h blunck , akv des fachbereichs. venue: nan. year: nan", "same": false}
+{"productA": "title: a fast index for semistructured data. authors: b cooper , n sample , m franklin , g hjaltason , m shadmon. venue: vldb. year: 2001", "productB": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: composite object support in an object-oriented database system. authors: w kim871 kim , j banejee , h chou , j garza , d woelk. venue: proc . acm , oopsla , october ,. year: nan", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: managing intervals efficiently in object-relational databases. authors: hp kriegel , m poetke , t seidl. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: interaction of query evaluation and buffer management for information retrieval. authors: b j\u0453nsson , m franklin , d srivastava. venue: sigmod conference. year: 1998", "productB": "title: interactive information systems : information access and retrieval. authors: r oliver. venue: electronic library ,. year: 1995.0", "same": false}
+{"productA": "title: dynamic maintenance of data distribution for selectivity estimation. authors: k whang , s kim , g wiederhold. venue: vldb j.. year: 1994", "productB": "title: using probabilistic models for selectivity estimation. authors: l getoor , b taskar , d koller. venue: proceedings of acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization in the presence of user-defined predicates. authors: s chaudhuri , k shim. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: programming constructs for database system implementation in exodus. authors: je richardson , mj carey. venue: proceedings of the 1987 acm sigmod international conference & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: automatic discovery of language models for text databases. authors: j callan , m connell , a du. venue: sigmod conference. year: 1999", "productB": "title: implementation of logic query languages for databases. authors: j ullman. venue: acm trans . on database systems. year: nan", "same": false}
+{"productA": "title: secure buffering in firm real-time database systems. authors: b george , j haritsa. venue: vldb. year: 1998", "productB": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference ,. year: 1997.0", "same": false}
+{"productA": "title: treasurer 's message. authors: nan. venue: nan. year: 2002", "productB": "title: needha chair 's message. authors: m hagler. venue: ieee edsoc/asee ee div . '' newsletter '' , spring. year: nan", "same": false}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: path rewriting in semistructured data. authors: d debarbieux , y roos , s tison , y andre , ac caron. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: optimizing queries on files. authors: mp consens. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: cure : an efficient clustering algorithm for large data sets. authors: s guha , r rastogi , k shim. venue: published in the proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: parametric query optimization . 18th vldb conf. authors: ye ioannidis , rt ng , k shim , tk sellis. venue: vancouver , bc , canada ,. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: an efficient clustering algorithm for large data bases , sigmod 1998. authors: s guha , r rastogi , a cure. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: parallel algorithms for high-dimensional similarity joins for data mining applications. authors: j shafer , r agrawal. venue: vldb. year: 1997", "productB": "title: automatic subspace clustering of high dimensional data for data mining application. authors: r aggarwal , j gehrke , d gunopulos , p raghavan. venue: proc . acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial ( s ). authors: m shepperd , m dyer. venue: information and software technology ,. year: 2001.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: index nesting-an efficient approach to indexing in object-oriented databases. authors: bc ooi , j han , h lu , kl tan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , j naughton. venue: vldb. year: 1998", "productB": "title: materialization view selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: proceedings of the 23rd vldb. year: nan", "same": false}
+{"productA": "title: a performance evaluation of oid mapping techniques. authors: a eickler , c gerlhof , d kossmann. venue: vldb. year: 1995", "productB": "title: performance analysis of recovery techniques. authors: a reuter. venue: acm transactions on database systems ( tods ) ,. year: 1984.0", "same": false}
+{"productA": "title: index concurrency control in firm real-time database systems. authors: b goyal , j haritsa , s seshadri , v srinivasan. venue: vldb. year: 1995", "productB": "title: concurrency control in a groupware system. authors: c hllis , s gibbs. venue: proc . acm sigmod \u00e2 ?? 89 , seattle , wa ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: data and databases. authors: c databases , d warehouses , ae technology , ip. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: joined normal form : a storage encoding for relational databases .. authors: e babb. venue: acm transactions on database systems ,. year: 1982.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: a framework for class partitioning in object-oriented databases. authors: k karlapalem , q li. venue: distributed and parallel databases ,. year: 2000.0", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: spatial query processing in an object-oriented database system. authors: ja orenstein. venue: proceedings of the 1986 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: olap , relational , and multidimensional database system. authors: g coliat. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: an object-oriented model of software configuration management. authors: h render , r campbell. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: the middleware muddle. authors: d ritter. venue: sigmod record. year: 1998", "productB": "title: lean middleware. authors: da maluf , dg bell , n ashish. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: logical design of relational database schemes. authors: ly yuan , zm ozsoyoglu. venue: nan. year: nan", "same": false}
+{"productA": "title: a new join algorithm. authors: d shin , a meltzer. venue: sigmod record. year: 1994", "productB": "title: amuse : a new blind identification algorithm. authors: l tong , v soon , y huang , r liu. venue: nan. year: nan", "same": false}
+{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: l bouganim , d florescu , p valduriez. venue: vldb. year: 1996", "productB": "title: data placement in shared-nothing parallel database systems. authors: m mehta , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: user-adaptive exploration of multidimensional data. authors: s sarawagi. venue: vldb. year: 2000", "productB": "title: user adaptive exploration of olap data cubes. authors: s sarawagi. venue: proc . vldb. year: nan", "same": false}
+{"productA": "title: the grid : an application of the semantic web. authors: c goble , d roure. venue: sigmod record. year: 2002", "productB": "title: the semantic web. authors: p bonner. venue: pc magazine ,. year: nan", "same": false}
+{"productA": "title: spatial operators. authors: e clementini , p felice. venue: sigmod record. year: 2000", "productB": "title: schrodinger operators. authors: hl cycon , rg froese , w kirsch , b simon. venue: nan. year: 1987.0", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: query processing in a distributed relational database system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: semantic integration of environmental models for application to global information systems and decision-making. authors: d mackay. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic integration of information in open and dynamic environments. authors: rj bayardo , w bohrer , r brice , a cichocki , g. venue: acm sigmod record vol . 26 , no. 2 ( june 1997 ) , sigmod\u00e2 ?? 97 .. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query evaluation and optimization in deductive and object-oriented spatial databases. authors: w lu , j han. venue: information and software technology ,. year: 1995.0", "same": false}
+{"productA": "title: processing set expressions over continuous update streams. authors: s ganguly , m garofalakis , r rastogi. venue: sigmod conference. year: 2003", "productB": "title: on computing correlated aggregates over continuous data streams. authors: j gehrke , f korn , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a kernper , g moerkotte , k peithnert , m steinbrunn. venue: nan. year: nan", "same": false}
+{"productA": "title: storing and querying ordered xml using a relational database system. authors: i tatarinov , s viglas , k beyer , j shanmugasundaram , e shekita , c zhang. venue: sigmod conference. year: 2002", "productB": "title: object-oriented querrying of existing relational databases. authors: da keim , hp kriegel , a miethsam. venue: nan. year: nan", "same": false}
+{"productA": "title: the ecobase project : database and web technologies for environmental information systems. authors: a tanaka , p valduriez. venue: sigmod record. year: 2001", "productB": "title: data management in environmental information systems. authors: o g\u00e3 1/4 nther. venue: handbook of massive data sets table of contents ,. year: 2002.0", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: tutorial on object-oriented databases. authors: ms jackson. venue: information and software technology ,. year: 1991.0", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: clustering methods for large databases : from the past to the future. authors: da keim , a hinneburg. venue: sigmod conference , philadelphia ,. year: nan", "same": false}
+{"productA": "title: keynote address. authors: nan. venue: nan. year: 1995", "productB": "title: keynote address. authors: t berners-lee. venue: seventh international world wide web conference. year: nan", "same": false}
+{"productA": "title: rate-based query optimization for streaming information sources. authors: s viglas , j naughton. venue: sigmod conference. year: 2002", "productB": "title: query optimization by stored queries. authors: k subieta , w rzeczkowski. venue: vldb ,. year: 1987.0", "same": false}
+{"productA": "title: database technologies for electronic commerce. authors: r agrawal , r srikant , y xu. venue: vldb. year: 2002", "productB": "title: frontiers of electronic commerce. authors: r kalakota , ab whinston. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: incomplete information in object-oriented databases. authors: r zicari. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: mining the world wide web : an information search approach - book review. authors: nan. venue: nan. year: 2002", "productB": "title: the distributed information search component ( disco ) and the world wide web. authors: h naacke , o kapitskaia. venue: proc . of acm sigmod conf . on management of data ,. year: 1997.0", "same": false}
+{"productA": "title: xpath queries on streaming data. authors: f peng , s chawathe. venue: sigmod conference. year: 2003", "productB": "title: fjording the stream : an architecture for queries over streaming data. authors: fjs madden. venue: proc . int . conf . on data engineering ,. year: nan", "same": false}
+{"productA": "title: semantic assumptions and query evaluation in temporal databases. authors: c bettini , x wang , e bertino , s jajodia. venue: sigmod conference. year: 1995", "productB": "title: event-join optimization in temporal relational databases. authors: a segev , h gunadhi. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: scheduling problems in parallel query optimization. authors: c chekuri. venue: nan. year: nan", "same": false}
+{"productA": "title: introduction to the career forum column. authors: a labrinidis. venue: sigmod record. year: 2001", "productB": "title: introduction to coding theory. authors: jh van lint. venue: nan. year: nan", "same": false}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: boolean query mapping across heterogeneous information sources ( extended version ). authors: kcc chang , h garcia-molina , a paepcke. venue: ieee transactions on knowledge & data engineering ,. year: 1996.0", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: database management systems : relational , object-relational , and object-oriented data models. authors: ood models. venue: nan. year: nan", "same": false}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: query processing and optimization in rdb. authors: g antoshnekov , m ziauddin. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: efficient checking of temporal integrity constraints using bounded history encoding. authors: j chomicki. venue: acm trans . database syst .. year: 1995", "productB": "title: efficient sequenced temporal integrity checking. authors: w li , rt snodgrass , s deng , vk gattu , a. venue: nan. year: nan", "same": false}
+{"productA": "title: the lham log-structured history data access method. authors: p muth , p o'neil , a pick , g weikum. venue: vldb j.. year: 2000", "productB": "title: a log-structured history data access method ( lham ). authors: eon patrick , g weikum. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: a query language for a homogeneous temporal database. authors: sk gadia , jh vaishnav. venue: proceedings of the fourth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: promises and realities of active database systems. authors: e simon , a dittrich. venue: vldb. year: 1995", "productB": "title: andb . eftring , deeds : towards a distributed and active real-time database systems. authors: sf andler , j hansson , j eriksson , j mellin , m. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: mariposa : a wide-area distributed database system. authors: m stonebraker , pm aoki , w litwin , a pfeffer , a sah. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: issues and approaches to design of real-time database systems. authors: m singhal. venue: sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: implementing deductive databases by mixed integer programming. authors: c bell , a nerode , r ng , v subrahmanian. venue: acm trans . database syst .. year: 1996", "productB": "title: integrity checking in deductive databases. authors: a oliv. venue: proceedings of the seventeenth vldb. year: nan", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: time-parameterized queries in spatio-temporal databases. authors: y tao , d papadias. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: standards for databases on the grid. authors: s malaika , a eisenberg , j melton. venue: sigmod record. year: 2003", "productB": "title: standard benchmarks for database systems. authors: c levine , jm stephens jr , d dewitt. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: hash joins and hash teams in microsoft sql server. authors: g graefe , r bunker , s cooper. venue: vldb. year: 1998", "productB": "title: automated selection of materialized views and indexes in microsoft sql server. authors: a sanjay , c surajit , vr narasayya. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: c knapper , s piccinin. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: business data management for b2b electronic commerce. authors: c quix , m schoop , m jeusfeld. venue: sigmod record. year: 2002", "productB": "title: electronic business & commerce. authors: m chesher , r kaura , p linton , m chesher. venue: nan. year: nan", "same": false}
+{"productA": "title: th\u0449mis : a database programming language handling integrity constraints. authors: v benzaken , a doucet. venue: vldb j.. year: 1995", "productB": "title: th\u00e3 \u00a9 mis : a database programming language with integrity constraints .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb j.. year: 2001", "productB": "title: xperanto : publishing object-relational data as xml .. authors: mj carey , d florescu , zg ives , y lu , j. venue: webdb ( informal proceedings ) ,. year: 2000.0", "same": false}
+{"productA": "title: incremental computation and maintenance of temporal aggregates. authors: j yang , j widom. venue: vldb j.. year: 2003", "productB": "title: incremental maintenance of externally materialized views. authors: m staudt , m jarke. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: an axiomatic model for deductive object-oriented databases. authors: zt kardkovacs , gm suranyi. venue: nan. year: nan", "same": false}
+{"productA": "title: on spatially partitioned temporal join. authors: h lu , b ooi , k tan. venue: vldb. year: 1994", "productB": "title: partition based spatial-merge join. authors: jm pate961 patel , dj dewitt. venue: proceedings of the 1996 acm-sigmod conference , june ,. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: open object database management systems. authors: ja blakeley. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: database research at ut arlington. authors: s chakravarthy , a aslandogan , r elmasri , l fegaras. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: data warehouse configuration. authors: d theodoratos , t sellis. venue: vldb. year: 1997", "productB": "title: data warehouse configuration algorithms. authors: s ligoudistianos , d theodoratos , t sellis. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: report on the fourth international conference on flexible query answering systems. authors: nan. venue: nan. year: 2001", "productB": "title: international conference on the analysis of thermal and energy systems. authors: ei yantovskii. venue: greg . foundas , athens , greece ( june 3-6 ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: an evaluation of vertical classpartitioning for query processingin object-oriented databases. authors: k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: performance study of microsoft data-mining algorithms. authors: s soni , z tang. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: a kemper , g moerkotte , k peithner , m steinbrunn. venue: sigmod conference. year: 1994", "productB": "title: stream processing of xpath queries with predicates. authors: k ashish , s dan. venue: proc . of the sigmod . acm ,. year: nan", "same": false}
+{"productA": "title: carnot and infosleuth : database technology and the world wide web. authors: d woelk , w bohrer , n jacobs , k ong , c tomlinson , c unnikrishnan. venue: sigmod conference. year: 1995", "productB": "title: world wide database \u00e5 ? integrating the web. authors: a bouguettaya\u00e2 ? \u00a6. venue: corba and databases ,. year: nan", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: issues in multimedia databases. authors: hv jagadish. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: document management as a database problem. authors: r bayer. venue: vldb. year: 1995", "productB": "title: administering a distributed database management system. authors: h walker. venue: acm-sigmod. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: object-oriented concepts , databases and applications. authors: w kim , fh lochovsky. venue: nan. year: 1989.0", "same": false}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: l bouganim , d florescu , p valduriez. venue: rapport de recherche-institut national de recherche en & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: editor 's notes. authors: nan. venue: nan. year: 1997", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2001", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: wise-integrator : an automatic integrator of web search interfaces for e-commerce. authors: h he , w meng , c yu , z wu. venue: vldb. year: 2003", "productB": "title: automatic extraction of web search interfaces for interface schema integration. authors: h he , w meng , c yu , z wu. venue: nan. year: nan", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: dmql : a data mining query language for relational databases. authors: j han , y fu , w wang , k koperski , o zaiane. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial. authors: jr gruser , l raschid , v zadorozhny. venue: the vldb journal ,. year: 2000.0", "same": false}
+{"productA": "title: implementing deductive databases by mixed integer programming. authors: c bell , a nerode , r ng , v subrahmanian. venue: acm trans . database syst .. year: 1996", "productB": "title: integrity checking in deductive databases. authors: r kowalsky , f sadri , p soper. venue: proc . of the 13th vldb , brighton ,. year: nan", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: relational databases for querying xml documents : limitationsand opportunities. authors: j shanmugaanndaram\u00e2 ? \u00a6. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: probabilistic temporal databases : algebra and implementation. authors: a dekhtyar , r ross , vs subrahmanian. venue: technical report cs-tr-3987 , university of maryland ( january. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: bringing order to query optimization. authors: gscs jensenl , rt snodgrass. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: dynamic resource brokering for multi-user query execution. authors: d davison , g graefe. venue: sigmod conference. year: 1995", "productB": "title: dynamic query execution plans. authors: g graefe , k ward. venue: proceedings of the acm sigmod conference , ( may. year: nan", "same": false}
+{"productA": "title: an approach for building secure database federations. authors: d jonscher , k dittrich. venue: vldb. year: 1994", "productB": "title: an information retrieval approach for image databases. authors: f rabitti , p savino. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: a model for schema evolution in object-oriented database systems. authors: s monk. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: semantic access : semantic interface for querying databases. authors: n rishe , j yuan , r athauda , s chen , x lu , x ma , a vaschillo , a shaposhnikov , d vasilevsky. venue: vldb. year: 2000", "productB": "title: rybe : a tabular interface for querying a multi-database system. authors: c sallaberry , mn bessagnet , h kriaa. venue: 8th international conference on management of data ,. year: nan", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: performance study of a database machine in supporting relational databases. authors: j banerjee , dk hsiao. venue: vldb ,. year: 1978.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction : imaging in medical education. authors: p dev. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: object-oriented databases : definition and research directions. authors: w grosky , f fotouli , i sethi , b capatina. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: editorial. authors: s garrett , d sheat. venue: bt technology journal ,. year: 2002.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: some remarks on a paper by adiba , et . al. on '' issues in distributed data base management systems : a. authors: h schneider. venue: conf . on vldb proceedings supplement : panelists &#39; statements , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: lore : a database management system for semistructued data. authors: j mchugh , s abiteboul , r goldman\u00e2 ? \u00a6. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: n kabra , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: parallel evaluation of multi-join queries. authors: a wilschut , j flokstra , p apers. venue: sigmod conference. year: 1995", "productB": "title: progressive evaluation of nested aggregate queries. authors: kl tan , ch goh , bc ooi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: database research at the queensland univ. of technology. authors: mp papazoglou , m mcloughlin , e lindsay , s willie. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: bayan : an arabic text database management system. authors: r king , a morfeq. venue: proceedings of the 1990 acm sigmod international conference & hellip ; ,. year: 1990.0", "same": false}
+{"productA": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: vldb. year: 1995", "productB": "title: fast search in main memory databases. authors: aa ap , s pramanik. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: a cost model for query processing in high dimensional data spaces. authors: c b\u0456hm. venue: acm trans . database syst .. year: 2000", "productB": "title: a state transition model for distributed query processing. authors: s lafortune , e wong. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: integrity checking in deductive databases. authors: a oliv. venue: proceedings of the seventeenth vldb. year: nan", "same": false}
+{"productA": "title: parallel database systems 101. authors: j gray. venue: sigmod conference. year: 1995", "productB": "title: parallel query processing in shared disk database systems. authors: e rahm. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: formal aspects of concurrency control in long-duration transaction systems using the nt/pv model. authors: h korth , g speegle. venue: acm trans . database syst .. year: 1994", "productB": "title: intra-transaction concurrency control and the nt/pv model. authors: hf korth , gd speegle. venue: nan. year: 1990.0", "same": false}
+{"productA": "title: a multimedia presentation algebra. authors: s adali , m sapino , v subrahmanian. venue: sigmod conference. year: 1999", "productB": "title: an algebra for creating and querying multimedia presentations. authors: s adal\u00e4 \u00b1 , ml sapino , vs subrahmanian. venue: multimedia systems ,. year: 2000.0", "same": false}
+{"productA": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r krishnamurthy , a rao , f tian , s viglas , y wang , j naughton , d dewitt. venue: vldb. year: 2003", "productB": "title: knowledge bassed query processing. authors: mm hanuner , sb zdonik. venue: proceedings of the 6th vldb conference. year: nan", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: visionary : a next generation visualization system for databases. authors: m stonebraker. venue: nan. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: the ccube constraint object-oriented database system. authors: a brodsky , ve segal , j chen , pa exarkhopoulo. venue: constraints ,. year: 1997.0", "same": false}
+{"productA": "title: understanding the semantics of sensor data. authors: m mani. venue: sigmod record. year: 2003", "productB": "title: understanding the performance of many tcp flows. authors: l qiu , y zhang , s keshav. venue: computer networks ,. year: 2001.0", "same": false}
+{"productA": "title: an xml-based wrapper generator for web information extraction. authors: l liu , w han , d buttler , c pu , w tang. venue: sigmod conference. year: 1999", "productB": "title: logic-based web information extraction. authors: g gottlob , c koch. venue: sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: new algorithms for efficient mining of association rules. authors: l shen , h shen , l cheng. venue: nan. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: am jell , dn clough. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: p buneman , m fernandez , d suciu. venue: vldb j.. year: 2000", "productB": "title: nul : a navigational user 's language for a network structured data base. authors: c deheneffe , h hennebert. venue: nan. year: nan", "same": false}
+{"productA": "title: a scalable algorithm for answering queries using views. authors: r pottinger , a levy. venue: vldb. year: 2000", "productB": "title: answering queries using views. authors: m vines. venue: vldb journal ,. year: 2001.0", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: on the minimization of xpath queries. authors: s bottcher. venue: nan. year: nan", "same": false}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: extensible query processing in starburst. authors: lm haas , jc freytag , gm lohman , h pirahesh. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: cost-based selection of path expression in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: proc . 22nd international conference on very large data bases. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: probabilistic message passing in peer data management systems. authors: p cudre-mauroux , k aberer , a feher. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: a system for handling relational dependencies in approximate reasoning. authors: p chatalic , d dubois , h prade. venue: procs . of the 3rd int . expert system conf ,. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2002", "productB": "title: head/director 's message. authors: rdae status. venue: nan. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: xquery implementation in a relational database system. authors: s pal , i cseri , o seeliger , m rys , g schaller , w. venue: submitted for. year: nan", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: randomization in privacy-preserving data mining. authors: av evfimievski. venue: nan. year: nan", "same": false}
+{"productA": "title: parallel query scheduling and optimization with time - and space-shared resources. authors: m garofalakis , y ioannidis. venue: vldb. year: 1997", "productB": "title: scheduling problems in parallel query optimization. authors: c chekuri. venue: nan. year: nan", "same": false}
+{"productA": "title: the evolution of the web and implications for an incremental crawler. authors: j cho , h garcia-molina. venue: vldb. year: 2000", "productB": "title: the mental representation of stereotypes and its implications for stereotype development and. authors: jw sherman. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: synergistic authorization in database systems. authors: nh minsky. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: wn et al. query by image and video content : the qbic system. authors: m flickner , h sawhney. venue: ieee computer magazine ,. year: nan", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: some analytic tools for the design of relational database systems. authors: kk nambiar. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: ordered shared locks for real-time databases. authors: d agrawal , a abbadi , r jeffers , l lin. venue: vldb j.. year: 1995", "productB": "title: real-time databases. authors: s son. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: pd o'brien , pj kearney. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm transactions on database systems ,. year: 2003.0", "same": false}
+{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: l golab , m \u0436zsu. venue: vldb. year: 2003", "productB": "title: continues queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: autonomous selection of indexes and materialized views in two commerical database management systems. authors: ar el-sayed , h smit. venue: nan. year: nan", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: temporal database system implementations. authors: hb michael. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: nan. venue: nan. year: 1998", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: z lacroix , o boucelma. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: object placement in parallel object-oriented database systems. authors: s ghandeharizadeh , d wilhite , k lin , x zhao. venue: nan. year: nan", "same": false}
+{"productA": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record. year: 1994", "productB": "title: a survey of schema versioning issues for database systems. authors: jf roddick. venue: nan. year: nan", "same": false}
+{"productA": "title: bringing order to query optimization. authors: g slivinskas , c jensen , r snodgrass. venue: sigmod record. year: 2002", "productB": "title: eddies : continuous query optimization. authors: r avnur , j hellerstein. venue: proceedings of sigmod ,. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: design and implementation of the relationlog deductive database system. authors: m liu , r shan. venue: nan. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: caching and database scaling in distributed shared-nothing information retrieval systems. authors: a tomasic , h garcia-molina. venue: nan. year: nan", "same": false}
+{"productA": "title: data extraction and transformation for the data warehouse. authors: c squire. venue: sigmod conference. year: 1995", "productB": "title: lineage tracing for general data warehouse transformations. authors: y cui , j widom. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: concurrency control in groupware systems. authors: ca ellis , sj gibbs. venue: sigmod conference ,. year: 1989.0", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: two-phase deadlock detection algorithm in distributed databases. authors: s kawazu , s minami , k itoh , k teranaka. venue: very large data bases , 1979 . fifth international conference & hellip ; ,. year: 1979.0", "same": false}
+{"productA": "title: structure and value synopses for xml data graphs. authors: n polyzotis , m garofalakis. venue: vldb. year: 2002", "productB": "title: statistical synopses for graph-structured xml databases. authors: n polyzotis , mn garofalakis. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: interview with jim gray. authors: nan. venue: nan. year: 2003", "productB": "title: interview with authors. authors: b landing. venue: san diego ,. year: nan", "same": false}
+{"productA": "title: mining long sequential patterns in a noisy environment. authors: j yang , w wang , p yu , j han. venue: sigmod conference. year: 2002", "productB": "title: mining sequential patterns research [ m ]. authors: r agrawal , r srikant. venue: california : ibm almaden research center ,. year: nan", "same": false}
+{"productA": "title: the samos active dbms prototype. authors: s gatziu , a geppert , k dittrich. venue: sigmod conference. year: 1995", "productB": "title: the active dbms manifesto. authors: a consort. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: query processing in a distributed data base system. authors: r epstein , m stonebraker , e wong. venue: proc . acm sigmod conf . on management of data , austin , tex. , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: performance of b-tree concurrency algorithms. authors: v srinivasan , mj carey. venue: sigmod conference ,. year: nan", "same": false}
+{"productA": "title: scheduling for shared window joins over data streams. authors: m hammad , m franklin , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: operator scheduling in data stream systems. authors: b babcock , s babu , m datar , r motwani , d thomas. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: temporal databases. authors: i ahn , r snodgrass. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: data densification in a relational database system. authors: a gupta , s subramanian , s bellamkonda , t bozkaya ,. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: on extending the functions of a relational database system. authors: rl haskin , ra lorie. venue: nan. year: nan", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: the role of integrity constraints in database interoperation. authors: m vermeer , p apers. venue: vldb. year: 1996", "productB": "title: knowledge-based integrity constraint validation. authors: x qian , g wiederhold. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb j.. year: 2001", "productB": "title: shrex : managing xml documents in relational databases. authors: f du , s amer-yahia , j freire. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h tan , i korpeoglu. venue: sigmod record. year: 2003", "productB": "title: efficient aggregation of delay-constrained data in wireless sensor networks. authors: k akkaya , m younis , m youssef. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: an improved third normal form for relational databases. authors: tw ling , fw tompa , t kameda. venue: acm transactions on database systems ,. year: 1981.0", "same": false}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for selecting advanced reservations. authors: m bartlett , am frisch , y hamadi , i miguel , c. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the 8th international workshop on knowledge representation meets databases ( krdb ). authors: nan. venue: nan. year: 2001", "productB": "title: report on the 5th international workshop on knowledge representation meets databases ( krdb\u00e2 ?? 98 ). authors: a borgida. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: emergent semantics and the multimedia semantic web. authors: w grosky , d sreenath , f fotouhi. venue: sigmod record. year: 2002", "productB": "title: the semantic web. authors: p bonner. venue: pc magazine ,. year: nan", "same": false}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: ordillejj ( 1996 ) queryingheterogeneous information sources using source descriptions. authors: ra levya. venue: proc . very large data bases. year: nan", "same": false}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: efficient processing of spatial joins using r-trees. authors: t brinkho , hp kriegel , b seeger. venue: proc . of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: querying object-orienteddatabases. authors: wk michaelkifer , y sagiv. venue: proc . of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: report on ngits ' 99 : the 4th international workshop on next generation information technologies and systems. authors: nan. venue: nan. year: 1999", "productB": "title: report from the nsf workshop on workflow and process automation in information systems. authors: a sheth , d georgakopoulos , s joosten , m. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases , ibm research report rj9839 [ r ]. authors: r agrawal , r skirant. venue: san jose , california : ibm almaden research center ,. year: nan", "same": false}
+{"productA": "title: stream processing of xpath queries with predicates. authors: a gupta , d suciu. venue: sigmod conference. year: 2003", "productB": "title: stream processing of xpath queries with predicates. authors: f peng , ss chawathe. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: scalable parallel data mining for association rules. authors: h eui-hong , g karypis. venue: ieee transactions on knowledge and data engineering ,. year: nan", "same": false}
+{"productA": "title: spatial join selectivity using power laws. authors: c faloutsos , b seeger , a traina , c jr.. venue: sigmod conference. year: 2000", "productB": "title: selectivity estimation for spatial joins. authors: n an , zy yang , a sivasubramaniam. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient testing of high performance transaction processing systems. authors: d wildfogel , r yerneni. venue: vldb. year: 1997", "productB": "title: parallel database systems : the future of high performance database processing. authors: m mehta , dj dewitt. venue: proceedings of the 21st vldb conference ,. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a logic for object-oriented logic programming. authors: m kifer , j wu. venue: proceedings of the eighth acm sigact-sigmod-sigart symposium & hellip ; ,. year: 1989.0", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: overview of strudel - a web-site management system. authors: mf fernandez , d florescu , j kang , ay levy , d suciu. venue: nan. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: translating update operations from relational to object-oriented databases. authors: pm reppert , fd morgan , mn toksoz , x zhang , j fong. venue: information and software technology ,. year: 2000.0", "same": false}
+{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: w li , c clifton. venue: vldb. year: 1994", "productB": "title: integration of heterogeneous databases without common domains using queries based textual similarity. authors: w cohen. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an extendible hash for multi-precision similarity querying of image databases. authors: s lin , m \u0436zsu , v oria , r ng. venue: vldb. year: 2001", "productB": "title: multiresolution similarity search in image databases. authors: m heczko , a hinneburg , d keim , m wawryniuk. venue: multimedia systems ,. year: 2004.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: ozoyuglu , \u00e2 ?? a system for semantic query optimization\u00e2 ??. authors: st shenoy. venue: proceedings of acmsigmod conference management of data ,. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining association rules between sets of items in large databases. authors: ra as941 , t imielinksi , a swami. venue: proc . of the acm sigmod int\u00e2 ?? l conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: m patella , p ciaccia , p zezula. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: x-ray-towards integrating xml and relational database systems. authors: g kappel , e kapsammer , s rausch-schott , w. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: high-performance and scalability through application tier,in-memory data management. authors: nan. venue: vldb. year: 2000", "productB": "title: improving . net application performance and scalability .. authors: jd meier. venue: nan. year: 2004.0", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: panel : user interfaces and database management systems. authors: tl anderson , g ariav. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: languages for multi-database interoperability. authors: f gingras , lvs lakshmanan , in subramanian , d. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: s guha , d gunopulos , n koudas , d srivastava , m vlachos. venue: vldb. year: 2003", "productB": "title: optimization of constrained frequent set queries : 2-var constraints. authors: lvs lakshmanan , r ng , j han , a pang. venue: 3rd sigmod\u00e2 ?? 98 workshop on research issues in data mining. year: nan", "same": false}
+{"productA": "title: a monte carlo algorithm for fast projective clustering. authors: c procopiuc , m jones , p agarwal , t murali. venue: sigmod conference. year: 2002", "productB": "title: k-means projective clustering. authors: pk agarwal , nh mustafa. venue: & hellip ; of the twenty-third acm sigmod-sigact-sigart symposium on & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: continuously adaptive query processing. authors: r avnur , jmh eddies. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: research in database engineering at the university of namur. authors: j hainaut. venue: sigmod record. year: 2003", "productB": "title: the database group at university of hagen. authors: g schlageter , t berkel , e heuel , s mittrach , a. venue: acm sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: tail recursion elimination in deductive databases. authors: k ross. venue: acm trans . database syst .. year: 1996", "productB": "title: constraints for query optimization in deductive databases. authors: j harland , k ramamohanarao. venue: nan. year: nan", "same": false}
+{"productA": "title: database research at the university of oklahoma. authors: l gruenwald , l brown , r dirckze , s guinepain , c s\u0441nchez , b summers , s vanichayobon. venue: sigmod record. year: 1999", "productB": "title: database research at the university of illinois at urbana-champaign. authors: m winslett , kcc chang , ah doan , j han , c zhai , y. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: laks vs lakshmanan . a foundation for multi-dimensional database. authors: m gyssens. venue: proceedings of the 23rd vldb conference , athens , greece ,. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: rsrikant . fast algorithms for mining association rules. authors: ra rr941. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 41.0", "same": false}
+{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: a keller , j basu. venue: vldb j.. year: 1996", "productB": "title: data caching tradeoffs in client-server dbms architectures. authors: mj carey , mj franklin , m livny , ej shekita. venue: proceedings of the 1991 acm sigmod international conference & hellip ; ,. year: 1991.0", "same": false}
+{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: p roy , s seshadri , a silberschatz , s sudarshan , s ashwin. venue: vldb j.. year: 1998", "productB": "title: functional completeness in object-oriented databases. authors: p mishra , m eich. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: gigascope : a stream database for network applications. authors: c cranor , t johnson , o spatscheck , v shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: tribeca : a stream database manager for network traffic analysis. authors: m sullivan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: privacy-preserving data mining of association rules on horizontally partitioned data. authors: m kantarcioglu , c clifton. venue: ieee transactions on knowledge and data. year: nan", "same": false}
+{"productA": "title: sentinel : an object-oriented dbms with event-based rules. authors: s chakravarthy. venue: sigmod conference. year: 1997", "productB": "title: metij object-oriented dbms. authors: a dogac , c ozkan , b arpinar , t okay , c evrendilek. venue: & hellip ; tn object-oriented database systems , dogac , a. , ozsu , t. , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining association rules with improved semantics in medical databases. authors: m delgado , ma vila. venue: artificial intelligence in medicine ,. year: 2001.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: data allocation in distributed database systems. authors: pmg apers. venue: acm transactions on database. year: 1988.0", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: transaction management in the r * distributed database management system. authors: c mohan , b lindsay , r obermarck. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: tuplerank and implicit relationship discovery in relational databases. authors: x huang , q xue , j yang. venue: nan. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: extensible database management systems. authors: mj carey , lm haas. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: n huyn. venue: vldb. year: 1997", "productB": "title: decentralized incremental maintenance of multi-view data warehouses. authors: i stanoi , d agrawal , a el abbadi. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: effective clustering of complex data in object-oriented database systems. authors: j cheng , ar hurson. venue: proceedings acm sigmod , pages ,. year: nan", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: hierarchical schemata for relational databases. authors: ye lien. venue: acm transactions on database systems ( tods ) ,. year: 1981.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: nl smith. venue: new directions for program evaluation ,. year: 1981.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: an overview of vertical partitioning in object oriented databases. authors: gs chinchwadkar , a goh. venue: the computer journal ,. year: 1999.0", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2000", "productB": "title: treasurer 's message. authors: j hammer. venue: sigmod. year: 2000.0", "same": false}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: the coral deductive database system .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: evaluating top-k selection queries. authors: s chaudhuri , l gravano. venue: vldb ,. year: 1999.0", "same": false}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: real-time database systems : issues and approaches. authors: sh son. venue: acm sigmod. year: nan", "same": false}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: incremental generalization for mining in a data warehousing environment .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: temporal support in database management systems. authors: g introduction , p statement. venue: nan. year: nan", "same": false}
+{"productA": "title: covering indexes for branching path queries. authors: r kaushik , p bohannon , j naughton , h korth. venue: sigmod conference. year: 2002", "productB": "title: covering indexes for xml queries : bisimulation-simulation = negation. authors: p ramanan. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: networked data management design points. authors: j hamilton. venue: vldb. year: 1999", "productB": "title: spatial data management for computer aided design. authors: hp kriegel , a mueller , m poetke , t seidl. venue: nan. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining association rules from semi-structured data. authors: k maruyama , k uehara. venue: icdcs workshop of knowledge discovery and data mining in the & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: the ecrc multi database system. authors: w jonker , h sch\u00e3 1/4 tz. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: a language based multidatabase system. authors: e k\u045chn , t tschernko , k schwarz. venue: sigmod conference. year: 1994", "productB": "title: logic and algebraic languages for interoperability in multidatabase systems. authors: lvs lakshmanan , f sadri , in subramanian. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of materialized path query views. authors: ea rundensteiner , ha kuno , y zhou. venue: nan. year: nan", "same": false}
+{"productA": "title: probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: temporal databases. authors: j chomicki. venue: nan. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the rc-tree : a dynamic index for multi-dimensional dynamic indexes. authors: t sellis , n roussopoulos , c faloutsos. venue: proc , vldb , brighton ,. year: nan", "same": false}
+{"productA": "title: index concurrency control in firm real-time database systems. authors: b goyal , j haritsa , s seshadri , v srinivasan. venue: vldb. year: 1995", "productB": "title: secure buffering in firm real-time database systems. authors: b george , jr haritsa. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: sideway value algebra for object-relational databases. authors: g \u0436zsoyoglu , a al-hamdani , i alting\u0456vde , s \u0436zel , \u0436 ulusoy , z \u0436zsoyoglu. venue: vldb. year: 2002", "productB": "title: extended algebra and calculus for nested relational databases. authors: ma roth , hf korth , a silberschatz. venue: acm transactions on database systems ,. year: 1988.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: multidimensional version for object-oriented databases. authors: e sciore. venue: proceedings vldb ,. year: nan", "same": false}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: ranganathan. , m. and manolopoulos , y. ( 1994 ) fast subsequence matching in time-series databases. authors: c faloutsos. venue: proc . acm sigmod conf . on management of. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: queries and query processing in object-oriented database systems. authors: dd straube , mt \u00e3?zsu. venue: acm transactions on information systems ( tois ) ,. year: 1990.0", "same": false}
+{"productA": "title: a user-centered interface for querying distributed multimedia databases. authors: i cruz , k james. venue: sigmod conference. year: 1999", "productB": "title: semantic access : semantic interface for querying databases. authors: n rishe , j yuan , r athauda , sc chen , x lu , x ma , a. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: on the computation of relational view complements. authors: j lechtenb\u0456rger , g vossen. venue: acm trans . database syst .. year: 2003", "productB": "title: on the space requirements of navigational relationship representations. authors: d swartwout , jc lagarias. venue: proceedings of the 1981 acm sigmod international conference & hellip ; ,. year: 1981.0", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: semantics and implementation of schema evolution in object-oriented database systems. authors: j banerjee , w kim , hj kim , hf korth. venue: proceedings of the international conference on management of. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , ki lin , hs sawhney , k shim. venue: vldb ,. year: 1995.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for processing xpath queries. authors: g georg , k christoph , p reinhard. venue: proc . of the vldb ,. year: nan", "same": false}
+{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: w liang , m orlowska , j yu. venue: vldb j.. year: 2000", "productB": "title: querying multidimensional databases .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: nearest neighbor search in large metric space. authors: s brin. venue: proceedings of the 21th international conference on very. year: nan", "same": false}
+{"productA": "title: xml and information retrieval : a sigir 2000 workshop. authors: nan. venue: nan. year: 2001", "productB": "title: xirql : a query language for information retrieval. authors: n fuhr , k grossjohann. venue: proceedings of the 24th annual international conference on. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: chaos : an introduction to dynamical systems. authors: kt alligood , t sauer , ja yorke. venue: nan. year: nan", "same": false}
+{"productA": "title: image mining in iris : integrated retinal information system. authors: w hsu , m lee , k goh. venue: sigmod conference. year: 2000", "productB": "title: interoperating geographic information systems. authors: mf goodchild\u00e2 ? \u00a6. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: integrating reliable memory in databases. authors: w ng , p chen. venue: vldb. year: 1997", "productB": "title: integrity checking in deductive databases. authors: a oliv. venue: proceedings of the seventeenth vldb. year: nan", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: pc database systems-present and future. authors: pa bernstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: efficient maintenance of materialized mediated views. authors: j lu , g moerkotte , j sch\u045c , v subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: maintenance of views. authors: o shmueli , a itai. venue: proceedings of the 1984 acm sigmod international conference & hellip ; ,. year: 1984.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining association rules between sets of items in large databases. authors: rat imielinski , a swami. venue: nan. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: implementation of magic-sets in a relational database system. authors: is mumick , h pirahesh. venue: sigmod conference ,. year: 1994.0", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: features of the orion object-oriented database system. authors: w kim , n ballou , ht chou , jf garza , d woelk. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: top-k selection queries over relational databases : mapping strategies and performance evaluation. authors: n bruno , s chaudhuri , l gravano. venue: acm trans . database syst .. year: 2002", "productB": "title: learning-based top-n selection query evaluation over relational databases. authors: l zhu , w meng. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: dj rog , d fournier. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: applying database visualization to the world wide web. authors: m hasan , a mendelzon , d vista. venue: sigmod record. year: 1996", "productB": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: quality-driven integration of heterogeneous information sources. authors: f naumann , u leser , jc freytag. venue: proceedings of the 25th vldb , edinburgh , scotland ,. year: nan", "same": false}
+{"productA": "title: effective timestamping in databases. authors: k torp , c jensen , r snodgrass. venue: vldb j.. year: 2000", "productB": "title: temporal reasoning in active databases. authors: i motakis. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining association rules between sets of items in large databases. authors: a rakesh , i tomasz , s arun. venue: & hellip ; of the 1993 acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: sigmod conference. year: 2001", "productB": "title: selectivity estimation of range predicates using histograms. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: proc . acm-sigmod international conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: accelerating em for large databases. authors: b thiesson , c meek , d heckerman. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining generalized association rules . 1995 . 13p. authors: r agrawal , r srikant. venue: proceedings of 21st vldb conference zurich ,. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: integration approaches for cim. authors: nan. venue: nan. year: 1995", "productB": "title: integration or segregation. authors: b howard. venue: pc magazine ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2002", "productB": "title: reminiscences on influential papers. authors: hgm stanlbrd. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: representing uncertainty in spatial databases. authors: e t\u00e3 \u00b8 ssebro , m nyg\u00e3 \u00a5 rd. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: sync : a system for mobile collaborative applications. authors: j munson , p dewan. venue: nan. year: nan", "same": false}
+{"productA": "title: disima : a distributed and interoperable image database system. authors: v oria , m \u0436zsu , p iglinski , s lin , b yao. venue: sigmod conference. year: 2000", "productB": "title: mariposa : a wide-area distributed database system . volume 5. authors: m stonebraker , pm aoki , w litwin , a pfeer , a sah ,. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: a logical semantics for object-oriented databases. authors: j meseguer. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: query optimisation for nested relations. authors: l golby , ar algebra. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: towards on-line analytical mining in large databases. authors: j han. venue: sigmod record. year: 1998", "productB": "title: mining constrained gradients in large databases. authors: jmw lam , k wang , w zou. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: semantics and implications of schema evolution in object-oriented databases .. authors: j banerjee , w kim , h kim , h korth. venue: proceedings of acm sigmod , san francisco ,. year: nan", "same": false}
+{"productA": "title: implementing xquery. authors: p cotton. venue: sigmod conference. year: 2002", "productB": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , jd ullman. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of recursive views using relational calculus/sql. authors: j su. venue: sigmod record ,. year: 2000.0", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: malung smalltalk a database system. authors: gc cope841 , d mater. venue: proceedings of acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: a hypertext query language for images. authors: l yang. venue: sigmod record. year: 1994", "productB": "title: an interactive query language for external data bases. authors: fh lochovsky , d tsichritzis. venue: vldb ,. year: 1982.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: open object database management systems. authors: ja blakeley. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: c yeung , s hung , k lam. venue: sigmod record. year: 1994", "productB": "title: r * optimizer validation and performance evaluation for distributed queries. authors: lf mackert. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: a tsql2 tutorial. authors: nodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: a tutorial and survey. authors: s servers. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: storing and querying ordered xml using a relational database system. authors: i tatarinov. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: database issues in telecommunications network management. authors: i ahn. venue: sigmod conference. year: 1994", "productB": "title: visualisation of telecommunications network data. authors: gr walker\u00e2 ? \u00a6. venue: bt technology journal ,. year: 1993.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: java and relational databases. authors: g clossman , p shaw , m hapner , j klein , r. venue: proceedings of 1998 acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: knowledge-based approach to jpeg acceleration. authors: k froitzheim , h wolf. venue: proc spie ,. year: 1995.0", "same": false}
+{"productA": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r krishnamurthy , a rao , f tian , s viglas , y wang , j naughton , d dewitt. venue: vldb. year: 2003", "productB": "title: knowledge-based query processing. authors: m hammer , sb zdonik. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: privacy preserving of association rules. authors: r agrawal , r srikant , a evfimievski , j gehrke. venue: proceeding of 8th acm sigmod conference on knowledge & hellip ; ,. year: nan", "same": false}
+{"productA": "title: parallel database systems in the 1990 's. authors: m carey. venue: sigmod conference. year: 1994", "productB": "title: special issue in parallelism in database systems. authors: m carey , p valduriez. venue: the vldb journal\u00e2 ?? the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: on parallel execution of multiple pipelined hash joins. authors: h hsiao , m chen , p yu. venue: sigmod conference. year: 1994", "productB": "title: optimization of parallel execution for multi-join queries. authors: ms chen , ps yu , kl wu. venue: nan. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: evolution of data-base management systems. authors: jp fry , eh sibley. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: introduction to the career forum column. authors: a labrinidis. venue: sigmod record. year: 2001", "productB": "title: introduction. authors: p alston. venue: see ref ,. year: 1990.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: sampling largc database for association rules. authors: h tovienven. venue: usa : proc of vldb . 1996.134 ~. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: role-based security , object oriented databases and separation of duty. authors: m nyanchama , s osborn. venue: acm sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: the third manifesto. authors: h darwen , c date. venue: sigmod record. year: 1995", "productB": "title: the active dbms manifesto. authors: a consort. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: managing web data. authors: nan. venue: nan. year: 1999", "productB": "title: managing text as data. authors: g pavlovic-lazetic , e wong. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 1998", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: y. 1990 . randomized algorithms for optimizing large join queries. authors: y ioannidis , cha kang. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: constraints on null values in relational databases. authors: bs goldstein. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , tw ling. venue: acm transactions on database systems ,. year: 2002.0", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: fast algorithms for mining association rules , proc. authors: r agrawal , r srikant. venue: vldb. year: nan", "same": false}
+{"productA": "title: the design of an acquisitional query processor for sensor networks. authors: s madden , m franklin , j hellerstein , w hong. venue: sigmod conference. year: 2003", "productB": "title: the design and simulation of a multi-computer network message processor. authors: b unger , ds bidulock. venue: computer networks ,. year: 1982.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: methodology for index configurations in object-oriented databases. authors: ks sang , jl yoon. venue: information sciences ,. year: 1996.0", "same": false}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: y. sagiv answering queries using views. authors: ay levy , ao mendelzon. venue: proc of the 16th acm sigact sigmod sigart symp on principles & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editors note. authors: r alt , hd zimmermann. venue: electronic markets ,. year: nan", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: characterization and optimization of commit processing performance in distributed database systems. authors: j haritsa , k ramamritham , r gupta. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: nulls in relational databases : revised. authors: r kocharekar. venue: acm sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: dial : a programming language for data intensive applications. authors: m hammer , b berkowitz. venue: proceedings of the 1980 acm sigmod international conference & hellip ; ,. year: 1980.0", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: the implementation of germ , an entity-relationship data base management system. authors: rl benneworth , cd bishop , cjm turnbull , wd holman ,. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: information integration : the momis project demonstration. authors: d beneventano , s bergamaschi , s castano , a corni , r guidetti , g malvezzi , m melchiori , m vincini. venue: vldb. year: 2000", "productB": "title: information management directions : the integration challenge. authors: en fong , ah goldfine. venue: acm sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: the zero latency enterprise. authors: d liles. venue: vldb. year: 2000", "productB": "title: analytics on demand : the zero latency enterprise. authors: c white. venue: intelligent enterprise-san mateo - ,. year: 2001.0", "same": false}
+{"productA": "title: a practical and modular implementation of extended transaction models. authors: r barga , c pu. venue: vldb. year: 1995", "productB": "title: modular method to implement extended transaction models ; procs . 21st int. authors: rb bp951 , c pu , a practical. venue: conf . on very large data. year: nan", "same": false}
+{"productA": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: substring selectivity estimation. authors: hv jagadish , d srivastava. venue: proc acm sigact sigmod sigart symp princ database syst ,. year: 1999.0", "same": false}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: optimizing the evaluation of complex similarity predicates. authors: a kirpal , s sarawagi. venue: nan. year: nan", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: metu interoperable database system. authors: a dogac , e kilic , g ozhan , f ozcan , s nural , b. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: implementing lh * rs : a scalable distributed highly-available data structure. authors: m ljungstr\u00e3 \u00b6 m. venue: master thesis , feb. 2000 , cs dept. , u. linkoping ,. year: nan", "same": false}
+{"productA": "title: the design and performance evaluation of alternative xml storage strategies. authors: f tian , d dewitt , j chen , c zhang. venue: sigmod record. year: 2002", "productB": "title: the design and evaluation of a storage system for pervasive computing. authors: e lemar. venue: nan. year: nan", "same": false}
+{"productA": "title: an authorization system for digital libraries. authors: e ferrari , n adam , v atluri , e bertino , u capuozzo. venue: vldb j.. year: 2002", "productB": "title: an automated system for web portal personalization. authors: cc aggarwal , ps yu. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: scheduling problems in parallel query optimization. authors: c chekuri. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: safe lazy software upgrades in object-oriented databases. authors: b liskov , c moh , s richman , l shrira , y cheung , c. venue: nan. year: nan", "same": false}
+{"productA": "title: mapping extended entity relationship model to object modeling technique. authors: j fong. venue: sigmod record. year: 1995", "productB": "title: an evaluation of extended entity-relationship model. authors: h saiedian. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: w kim. venue: acm sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: domains , relations and religious wars. authors: r camps. venue: sigmod record. year: 1996", "productB": "title: a response to r. camps ' article \u00e2 ?? domains , relations and religious wars\u00e2 ??. authors: cj date. venue: acm sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: on the issue of valid time ( s ) in temporal databases. authors: s kokkotos , e ioannidis , t panayiotopoulos , c spyropoulos. venue: sigmod record. year: 1995", "productB": "title: temporal databases. authors: j chomicki. venue: nan. year: nan", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: kiernan . watermarking relational databases. authors: r agrawal andj. venue: proc . of the 28th int\u00e2 ?? l conferenceon very largedatabases ,. year: nan", "same": false}
+{"productA": "title: open issues in parallel query optimization. authors: w hasan , d florescu , p valduriez. venue: sigmod record. year: 1996", "productB": "title: hasanw. , krishnamurthy r. query optimization for parallel execution. authors: s ganguly. venue: proc . of the acm sigmod conf . on management of. year: nan", "same": false}
+{"productA": "title: integrating modelling systems for environmental management information systems. authors: d abel , k taylor , d kuo. venue: sigmod record. year: 1997", "productB": "title: image computing for visual information systems. authors: ik sethi. venue: nan. year: nan", "same": false}
+{"productA": "title: ambient intelligence with the ubiquitous network , the embedded computer devices and the hidden databases ( abstract ). authors: e sol. venue: vldb. year: 2001", "productB": "title: ambient intelligence with the ubiquitous network , the embedded computer devices and the hidden. authors: se jan. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: bitmap based algorithms for mining association rules. authors: g gardarin , p pucheral. venue: nan. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: updating relational databases through object-based views. authors: t barsalou , g wiederhold. venue: nan. year: nan", "same": false}
+{"productA": "title: d ( k ) - index : an adaptive structural summary for graph-structured data. authors: c qun , a lim , k ong. venue: sigmod conference. year: 2003", "productB": "title: apex : an adaptive path index for xml data. authors: k shim , c chung , j min. venue: proc . of acm sigmod. year: nan", "same": false}
+{"productA": "title: a monte carlo algorithm for fast projective clustering. authors: c procopiuc , m jones , p agarwal , t murali. venue: sigmod conference. year: 2002", "productB": "title: approximation algorithms for projective clustering. authors: pk agarwal , cm procopiuc. venue: nan. year: nan", "same": false}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: answering sql queries with aggregation using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: at & t technical memorandum ,. year: nan", "same": false}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the-kdb tree : a fast index structure for high-dimensional similarity joins. authors: k shim , r srikant , r agrawal. venue: research report , ibm almaden research center , san jose , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on active databases ( short version ). authors: u jaeger , jc freytag. venue: sigmod-record ,. year: 1995.0", "same": false}
+{"productA": "title: report on the 1995 international workshop on temporal databases. authors: nan. venue: nan. year: 1995", "productB": "title: report on the 18th british national conference on databases ( bncod ). authors: c goble , b read. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: eddies : continuously adaptive query processing. authors: r avnur , jm hellerstein. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: data allocation in distributed database systems. authors: pmg apers. venue: acm transactions on database. year: 1988.0", "same": false}
+{"productA": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: vldb j.. year: 1995", "productB": "title: w. , lam , h. oql : a query language for manipulating object-oriented databases. authors: am alashqur , sy su. venue: proc . int . conf . very large databases , amsterdam , the & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a complete temporal relational algebra. authors: d dey , t barron , v storey. venue: vldb j.. year: 1996", "productB": "title: a probabilistic relational model and algebra. authors: d debabrata , s sumit. venue: acm transactions on database. year: nan", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: mining association rules in multiple relations. authors: l dehaspe , l de raedt. venue: lecture notes in computer science ,. year: 1997.0", "same": false}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: language features for ieee interoperability of databases with schematic discrepancies. authors: r krishnamurthy , w litwin , w kent. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: describing semistructured data. authors: l cardelli. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: g sudipto , r rastogi , k shim. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: fhin : an efficient storage structure and access method for object-oriented databases. authors: n gorla , ct liu. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: transactions and consistency in distributed database systems. authors: il traiger , j gray , ca galtieri , bg lindsay. venue: acm transactions on database systems ,. year: 1982.0", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: storing and querying ordered xml using a relational database system. authors: j shanmugasundaram , i tatarinov , e viglas , k beyer. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: application specification for distributed data base systems. authors: pg hebalkar. venue: vldb ,. year: 1978.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: integrating xml data with relational databases. authors: wc lee , g mitchell , x zhang. venue: icdcs workshop of knowledge discovery and data mining in the & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: database research : achievements and opportunities into the 21st century. authors: a silberschatz , m stonebraker , j ullman. venue: sigmod record. year: 1996", "productB": "title: underutilized crops : trends , challenges and opportunities in the 21st century. authors: s padulosi , t hodgkin , jt williams , n haq. venue: see ref ,. year: nan", "same": false}
+{"productA": "title: reverse nearest neighbor aggregates over data streams. authors: f korn , s muthukrishnan , d srivastava. venue: vldb. year: 2002", "productB": "title: processing complex aggregate queries over data streams. authors: a dobra , mn garofalakis , j gehrke , r rastogi. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: peer-to-peer : harnessing the power of disruptive technologies. authors: m nascimento. venue: sigmod record. year: 2003", "productB": "title: listening to napster . peer-to-peer : harnessing the power of disruptive technologies , andy oram ( edt .. authors: c shirky. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: the notion of active ob ject-oriented databases. authors: s reich. venue: nan. year: nan", "same": false}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: sting + : an approach to active spatial data mining. authors: w wang , j yang , r muntz. venue: nan. year: nan", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: a model for schema evolution in object-oriented database systems. authors: s monk. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient maintenance of materialized mediated views. authors: j lu , g moerkotte , j sch\u045c , v subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: efficiently updating materializing views. authors: ja blakeley , p\u00e3 ? larson , fw tompa. venue: acm sigmod. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: unisql\u00e2 ?? s nextgeneration object-relational database management system. authors: , p janus. venue: acm sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: scalable algorithms for association mining. authors: mj zaki\u00e2 ? \u00a6. venue: ieee transactions on knowledge and data engineering ,. year: 2000.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: self-managing technology in database management systems ( tutorial ). authors: s chaudhuri , b dageville , g lohman. venue: proc . of. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: querying multiple features of groups in relational databases. authors: d chatziantoniou , ka ross. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: a modular and open object-oriented database system. authors: sm thatte. venue: acm sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: evaluation of buffer queries in spatial databases. authors: epf chan. venue: nan. year: nan", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: seck . t. lh * s : a high-availability and high-security scalable distributed data structure. authors: w litwin , ma neimat , g levy , s ndiaye. venue: ieee workshop on res . issues in data eng . ( ride-97 ) ,. year: nan", "same": false}
+{"productA": "title: parallel evaluation of multi-join queries. authors: a wilschut , j flokstra , p apers. venue: sigmod conference. year: 1995", "productB": "title: parallel execution of object functional queries. authors: l schrettner , t gyim\u00e3 \u00b3 thy , z alexin , j toczki. venue: nan. year: nan", "same": false}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: arallel searching in distributed databases. authors: b srinivasan. venue: computer networks ,. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: panel : user interfaces and database management systems. authors: tl anderson , g ariav. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: andt . g. price . accesspathselectioninarelational database management system. authors: pg selinger , mm astrahan , dd chamberlin , ra lorie. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: privacy preserving distributed data mining. authors: c clifton. venue: nan. year: nan", "same": false}
+{"productA": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: k wu , p yu , j chung , j teng. venue: vldb. year: 1995", "productB": "title: a performance study of concurrency control in a real-time main memory database system. authors: s liu. venue: acm sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: a territorial database management system. authors: f antonacci , p dell ` orco , a turtur. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: a modular and open object-oriented database system. authors: sm thatte. venue: acm sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: the impress ddt : a database design toolbox based on a formal specification language. authors: j flokstra , m keulen , j skowronek. venue: sigmod conference. year: 1994", "productB": "title: aspect : a formal specification languagefor detecting bugs. authors: d jackson. venue: mit/lcs/tr -543 , mit laboratory for computer science , june. year: nan", "same": false}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: optimization of storage structures of complex types in object-relational database systems. authors: s skatulla , s dorendorf. venue: nan. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 1999", "productB": "title: sigcas chair 's message. authors: cd martin. venue: computers and society ,. year: nan", "same": false}
+{"productA": "title: a survey and critique of advanced transaction models. authors: c mohan. venue: sigmod conference. year: 1994", "productB": "title: a critique of ansi sql isolation levels. authors: j gray , uc berkeley. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction : new vlsi tools. authors: dd gajski , r kuhn. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: a parallel index for semistructured data. authors: b cooper , n sample , m shadmon. venue: nan. year: nan", "same": false}
+{"productA": "title: w3qs : a query system for the world-wide web. authors: d konopnicki , o shmueli. venue: vldb. year: 1995", "productB": "title: database techniques for the world-wide web : a survey .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: the lyric language : querying constraint objects. authors: a brodsky , y kornatzky. venue: sigmod conference. year: 1995", "productB": "title: object-oriented query language facilitating construction of new objects. authors: r alhajj , me arkun. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: optimizing queries on files. authors: m consens , t milo. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries across diverse data sources. authors: lm hass , d kossmann , el wimmers , j yang , l raschid. venue: proceedings of the 23rd vldb conference , athens , greece , acm & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial. authors: p atzeni , ao mendelzon. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: optimization techniques for queries with expensive methods. authors: j hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a kernper , g moerkotte , k peithnert , m steinbrunn. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: p atzeni , ao mendelzon. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: j lee , d kim , c chung. venue: sigmod conference. year: 1999", "productB": "title: on-line selectivity estimation for xml path expressions using markov histograms. authors: l lim , m wang , s padmanabhan , js vitter , r parr. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: application of object-oriented databases to geographic information systems. authors: s roberts , m gahegan , j hogg , b hoyle. venue: information and software technology ,. year: 1991.0", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining fuzzy quantitative association rules. authors: w zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: integrity maintenance in an object-oriented database. authors: hv jagadish , x qian. venue: proceedings of the international conference on very large & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: querying xml views of relational data. authors: j shanmugasundaram , j kiernan , e shekita , c fan , j funderburk. venue: vldb. year: 2001", "productB": "title: integrating xml data with relational databases. authors: wc lee , g mitchell , x zhang. venue: icdcs workshop of knowledge discovery and data mining in the & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: z xie , j han. venue: vldb. year: 1994", "productB": "title: a framework for class partitioning in object-oriented databases. authors: k karlapalem , q li. venue: distributed and parallel databases ,. year: 2000.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: integrating association rule mining algorithms with relational database systems. authors: j hipp , u grimmer. venue: nan. year: nan", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: database management systems. authors: r ramakrishnan , j gehrke. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: s wright , a steventon. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: editorial. authors: pd o'brien , pj kearney. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: the design of relational databases. authors: h mannila , kj r\u00e3 $ ih\u00e3 $. venue: nan. year: 1992.0", "same": false}
+{"productA": "title: application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: analyzing the application asp concept : technologies , economies , and strategies. authors: kr walsh. venue: communications-acm ,. year: 2003.0", "same": false}
+{"productA": "title: delaunay : a database visualization system. authors: i cruz , m averbuch , w lucas , m radzyminski , k zhang. venue: sigmod conference. year: 1997", "productB": "title: sap r/3 ( tutorial ) : a database application system. authors: a kemper , d kossmann , f matthes. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: n wall. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: streaming queries over streaming data. authors: s chandrasekaran , mj franklin. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: adaptive , fine-grained sharing in a client-server oodbms : a callback-based approach. authors: m zaharioudakis , m carey , m franklin. venue: acm trans . database syst .. year: 1997", "productB": "title: fine-grained sharing in a page server dbms. authors: m carey , m franklin , m zaharioudakis. venue: proc . of acm. year: nan", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: features of the orion object-oriented database system. authors: w kim , n ballou , ht chou , jf garza , d woelk. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: sigmod conference. year: 1998", "productB": "title: management of multidimensional discrete data in database systems. authors: pasb furtado. venue: nan. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: an introduction to spatial database system. authors: r gunting. venue: proceedings for the international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: hypertext databases and data mining. authors: nan. venue: nan. year: 1999", "productB": "title: data and databases. authors: c databases , d warehouses , ae technology , ip. venue: nan. year: nan", "same": false}
+{"productA": "title: sap r/3 : a database application system ( tutorial ). authors: nan. venue: nan. year: 1998", "productB": "title: paradise : a database system for gis applications .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: c fung , k karlapalem , q li. venue: vldb j.. year: 2003", "productB": "title: cost-driven evaluation of vertical class partitioning in object oriented databases \u00ef ?. authors: cw bay , h kowloon. venue: nan. year: nan", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: continous query optimization. authors: r avnur , j hellerstien. venue: acm sigmod. year: nan", "same": false}
+{"productA": "title: data extraction and transformation for the data warehouse. authors: c squire. venue: sigmod conference. year: 1995", "productB": "title: the whips prototype for data warehouse creation and maintenance. authors: j wiener , h gupta , w labio , y zhuge , h garcia -. venue: proceedings of the international conference on data & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: moving up the food chain : supporting e-commerce applications on databases. authors: a jhingran. venue: sigmod record. year: 2000", "productB": "title: dbcache : a project on database caching support for web applications. authors: c mohan. venue: nan. year: nan", "same": false}
+{"productA": "title: the infosleuth project. authors: r jr. , w bohrer , r brice , a cichocki , j fowler , a helal , v kashyap , t ksiezyk , g martin , m nodine , m rashid , m rusinkiewicz , r shea , c unnikrishnan , a unruh , d woelk. venue: sigmod conference. year: 1997", "productB": "title: the skagit char project. authors: jd mcphail , eb taylor. venue: & hellip ; environmental endowment commission . seattle , washington ,. year: nan", "same": false}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: query processing in sdd-1 : a system for distributed databases. authors: n goodman , pa bernstein , e wong , cl reeve , jb. venue: acm _ tods ,. year: nan", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: accelerating em for large databases. authors: b thiesson , c meek , d heckerman. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: agent-oriented software engineering report on the 4th aose workshop ( aose 2003 ). authors: nan. venue: nan. year: 2003", "productB": "title: report on the ninth conference on software engineering and databases ( jisbd 2004 ). authors: j hern\u00e3 \u00a1 ndez , e pimentel , a toval. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: adapting materialized views after redefinitions. authors: a gupta , i mumick , k ross. venue: sigmod conference. year: 1995", "productB": "title: e-ciently updating materialized views. authors: j blakely , p larson , f tompa. venue: proceedings acm sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: minimization of tree pattem queries. authors: sa yahia , s cho , lvs lakshmanan\u00e2 ? \u00a6. venue: proc of the acm sigmod. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: four valued logic for relational database systems. authors: gh gessert. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: database indexing for large dna and protein sequence collections. authors: e hunt , m atkinson , r irving. venue: vldb j.. year: 2002", "productB": "title: towards effective indexing for very large video sequence database. authors: ht shen , bc ooi , x zhou. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: management of semistructured data. authors: d suciu. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: architecture and design of the eks deductive database system. authors: p bayer , a lefebvre , l vieille. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: integration approaches for cim. authors: nan. venue: nan. year: 1995", "productB": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a model for active object oriented database . actes. authors: c beeri , t milo. venue: 17th international conference vldb , barcelona ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2001", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: the design and implementationof a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: proceedings ofthetwentysecond. year: nan", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: panel : real-time databases. authors: k ramamritham. venue: proc . of the 17th intl. vldb conf. , barcelona , september ,. year: nan", "same": false}
+{"productA": "title: efficient ir-style keyword search over relational databases. authors: v hristidis , l gravano , y papakonstantinou. venue: vldb. year: 2003", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: reconciling schemas of disparate data sources : a machine-learning approach. authors: a doan , p domingos , a halevy. venue: sigmod conference. year: 2001", "productB": "title: privacy : a machine learning approach. authors: s vinterbo. venue: ieee transactions on knowledge and data engineering ,. year: nan", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: andd . suciu . catching the boat with strudel : experiences with a web-site management system. authors: m fernandez , d florescu , j king , a levy. venue: proc . acm. year: nan", "same": false}
+{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: j yang , k karlapalem , q li. venue: vldb. year: 1997", "productB": "title: incremental generalization for mining in a data warehousing environment. authors: m ester , r wittmann. venue: nan. year: nan", "same": false}
+{"productA": "title: data mining techniques. authors: j han. venue: sigmod conference. year: 1996", "productB": "title: a review of data mining techniques. authors: sj lee , k siau. venue: nan. year: nan", "same": false}
+{"productA": "title: resource scheduling for composite multimedia objects. authors: m garofalakis , y ioannidis , b \u0436zden. venue: vldb. year: 1998", "productB": "title: retrieval scheduling for multimedia databases. authors: ml escobar-molano , da barrett , z genova , l zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: fast algorithms for mining association rules , proc. authors: r agrawal , r srikant. venue: vldb. year: nan", "same": false}
+{"productA": "title: enhancing external consistency in real-time transactions. authors: k lin , s peng. venue: sigmod record. year: 1996", "productB": "title: scheduling real-time transactions. authors: rk abbott , h garcia-molina. venue: sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: supporting multi-media object management in a relational database management system. authors: lm haas. venue: technical report . ibm almaden research center ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: dynamic service matchmaking among agents in open information environments. authors: k sycara , m klusch , s widoff , j lu. venue: sigmod record. year: 1999", "productB": "title: infosleuth ( 1997 ) agent-based semantic integration of information in open and dynamic environments. authors: r bayardo\u00e2 ? \u00a6. venue: proceedings of acm sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: a unified framework for enforcing multiple access control policies. authors: s jajodia , p samarati , v subrahmanian , e bertino. venue: sigmod conference. year: 1997", "productB": "title: supporting multiple access control policies in database systems. authors: f rabitti , e bertino , w kim , d woelk. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: concurrency and recovery in generalized search trees. authors: m kornacker , c mohan , j hellerstein. venue: sigmod conference. year: 1997", "productB": "title: concurrency and recovery for index trees . digital equipment corp. authors: d lomet , b salzberg. venue: tech report crl91/8 ( aug 1991 ) cambridge research lab , cambridge. year: nan", "same": false}
+{"productA": "title: reasoning about spatial relationships in picture retrieval systems. authors: a sistla , c yu , r haddad. venue: vldb. year: 1994", "productB": "title: reasoning about cbr systems. authors: b bartsch-sp\u00e3 \u00b6 rl , kd althoff , a meissonnier. venue: proceedings of the 5 d german cbr workshop , report lsa-97-0e & hellip ; ,. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , jr gruser , zh tang. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: fast algorithems for association rules. authors: r agrawal , r srikant. venue: proc . of 20th vldb conference ,. year: nan", "same": false}
+{"productA": "title: engineering federated information systems : report of efis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , r kutsche , m roantree , g saake , f saltor. venue: sigmod record. year: 1999", "productB": "title: engineering federated information systems. authors: rd kutsche. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: an object-oriented approach to multimedia databases. authors: d woelk , w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: approximate similarity queries : a survey. authors: p ciaccia , m patella. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: fast algorithems for association rules. authors: r agrawal , r srikant. venue: proc . of 20th vldb conference ,. year: nan", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: efficient algorithms for discovering association rules. authors: h mannila , h toivonen. venue: nan. year: nan", "same": false}
+{"productA": "title: an adaptive data replication algorithm. authors: o wolfson , s jajodia , y huang. venue: acm trans . database syst .. year: 1997", "productB": "title: a dynamic database reorganization algorithm. authors: sb yao , ks das , tj teorey. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: a new sql-like operator for data mining association rules. authors: r meo , g psaila , s ceri. venue: proceedings of the 22nd vldb conference , bombay , indien ,. year: nan", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: concurrency control in a system for distributed databases. authors: bb pa , dw shipman , jb rothnr jr. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: sql open heterogeneous data access. authors: b reinwald , h pirahesh. venue: sigmod conference. year: 1998", "productB": "title: data manipulation in heterogeneous databases. authors: a chatterjee , a segev. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: a framework for designing materialized views in data warehousing environment. authors: j yang , k karlapalem , q li. venue: nan. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: semistructured data , may 1997. authors: p buneman. venue: tutorial sigmod. year: nan", "same": false}
+{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: c chan , m garofalakis , r rastogi. venue: vldb j.. year: 2003", "productB": "title: the x-tree : an index structure for high-dimensional data. authors: s bertchold , da keim , hp kriegel. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: an object-oriented data model. authors: c lecluse , p richard , f velez. venue: proceedings of the acmsigmod international conference on & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: unisql\u00e2 ?? s nextgeneration object-relational database management system. authors: , p janus. venue: acm sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: processing temporal queries in the context of object-oriented databases. authors: l wang , m wing , c davis , n revell. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: rule management in object oriented databases : a uniform approach. authors: vldb.org. venue: vldb ,. year: 1991.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: supporting multiple access control policies in database systems. authors: f rabitti , e bertino , w kim , d woelk. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: object-oriented features of db2 client/server. authors: h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: features of the orion object-oriented database system. authors: w kim , n ballou , ht chou , jf garza , d woelk. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: challenges for global information systems. authors: a levy , a silberschatz , d srivastava , m zemankova. venue: vldb. year: 1994", "productB": "title: database challenges in global information systems .. authors: d konopnicki , o shmueli. venue: proc . of the 21st int . conf . on very large databases , vldb ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: administering a distributed database management system. authors: h walker. venue: acm-sigmod. year: nan", "same": false}
+{"productA": "title: methodology for development and employment of ontology based knowledge management applications. authors: y sure , s staab , r studer. venue: sigmod record. year: 2002", "productB": "title: methodologies for developing web applications. authors: c standing. venue: information & software technology ,. year: 2002.0", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: preserving privacy in data preparation for association rule mining. authors: n zhang , s wang , w zhao. venue: nan. year: nan", "same": false}
+{"productA": "title: automating physical database design in a parallel database. authors: j rao , c zhang , n megiddo , g lohman. venue: sigmod conference. year: 2002", "productB": "title: horizontal data partitioning in database design. authors: s ceri , m negri , g pelagatti. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to differential flatness of mechanical systems. authors: r murray , m rathinam , m van nieuwstadt. venue: proceedings of ecole d\u00e2 ?? et ! ee , th ! eeorie et practique des & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: experiences with a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: world wide database - integrating the web , corba , and databases. authors: a bouguettaya , b benatallah , l hendra , j beard , k smith , m ouzzani. venue: sigmod conference. year: 1999", "productB": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , ja stankovic , dt. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: irisnet : an architecture for internet-scale sensing services. authors: s nath , a deshpande , y ke , p gibbons , b karp , s seshan. venue: vldb. year: 2003", "productB": "title: raims : an architecture for router-assisted internet multicast services .. authors: c papadopoulos. venue: eth , zurich , switzerland , october ,. year: nan", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: a new theoretical framework for information retrieval. authors: cj van rijsbergen. venue: acm sigir forum ,. year: 1986.0", "same": false}
+{"productA": "title: materialized view and index selection tool for microsoft sql server 2000. authors: s agrawal , s chaudhuri , v narasayya. venue: sigmod conference. year: 2001", "productB": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , jf naughton. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: continually evaluating similarity-based pattern queries on a streaming time series. authors: l gao , x wang. venue: sigmod conference. year: 2002", "productB": "title: similarity-based queries for time series data. authors: dra mendelzon. venue: proc . of the acm sigmod conf. , tucson , az , may ,. year: 1997.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , hd groger , m missikoff. venue: acm transactions on database systems ,. year: 1998.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in databases. authors: r agrawal , r srikant. venue: the 20th int &#39; l conf . on vldb , chile ,. year: nan", "same": false}
+{"productA": "title: approximate query translation across heterogeneous information sources. authors: k chang , h garcia-molina. venue: vldb. year: 2000", "productB": "title: ordillejj ( 1996 ) queryingheterogeneous information sources using source descriptions. authors: ra levya. venue: proc . very large data bases. year: nan", "same": false}
+{"productA": "title: a structured approach for the definition of the semantics of active databases. authors: p fraternali , l tanca. venue: acm trans . database syst .. year: 1995", "productB": "title: an approach to storing semistructured data in relational databases. authors: kv magalhaes. venue: msc thesis , department of computer science , federal university. year: nan", "same": false}
+{"productA": "title: managing video data in a mobile environment. authors: r alonso , y chang , l iftode , v mani. venue: sigmod record. year: 1995", "productB": "title: managing flexibility in a maketo-order environment. authors: e bish , a muriel , s biller. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: estimating the selectivity of xml path expressions for internet scale applications. authors: a aboulnaga , a alameldeen , j naughton. venue: vldb. year: 2001", "productB": "title: estimating the selectivity of spatial queries using the. authors: a belussi , c faloutsos. venue: correlation '' fractal dimension , '' proc . 21st vldb conf ,. year: nan", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: temporal support in database management systems. authors: g introduction , p statement. venue: nan. year: nan", "same": false}
+{"productA": "title: object fusion in mediator systems. authors: y papakonstantinou , s abiteboul , h garcia-molina. venue: vldb. year: 1996", "productB": "title: capabilities-based rewriting in mediator systems. authors: y papakonstantinou , a gupta , l haas. venue: technical report , ibm almaden research ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: a normal form for relational databases that is based on domains and keys. authors: r fagin. venue: acm transactions on database systems ,. year: 1981.0", "same": false}
+{"productA": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: sigmod conference. year: 1996", "productB": "title: optimizing queries across diverse data sources. authors: kd haaslm , yj wimmersel. venue: proc . ofvery large data bases conference ,. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: an extensible object-oriented approach to databases for cad/vlst. authors: h afsarmanesh , d knapp , d mcleod , a parker. venue: proceeding ~ of the 11th vldb conference , vldb endowment ,. year: nan", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: characterizing memory requirements for queries over continuous data streams. authors: j widom. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: multimedia database management systems. authors: g lu. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: the infosleuth project. authors: r jr. , w bohrer , r brice , a cichocki , j fowler , a helal , v kashyap , t ksiezyk , g martin , m nodine , m rashid , m rusinkiewicz , r shea , c unnikrishnan , a unruh , d woelk. venue: sigmod conference. year: 1997", "productB": "title: the infosleuth project white-paper. authors: d woelk , c tomlinson. venue: technical report infosleuth-95-01 , microelectronics and computer. year: nan", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: lore : a database management system for semistructued data. authors: j mchugh , s abiteboul , r goldman\u00e2 ? \u00a6. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: query processing in the objectstore database system. authors: ja orenstein , s haradhvala , b margulies , d. venue: nan. year: nan", "same": false}
+{"productA": "title: introduction to the career forum column. authors: a labrinidis. venue: sigmod record. year: 2001", "productB": "title: introduction to part ii. authors: ai rudnicky. venue: acm press frontier series ,. year: 1992.0", "same": false}
+{"productA": "title: an interpolated volume data model. authors: t wang , s santini , a gupta. venue: vldb. year: 2003", "productB": "title: an object-oriented data model. authors: c lecluse , p richard , f velez. venue: proceedings of the acmsigmod international conference on & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: guest editor 's introduction. authors: k aberer. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: fast algorithms for universal quantification in large databases. authors: g graefe , r cole. venue: acm trans . database syst .. year: 1995", "productB": "title: technique for universal quantification in sql .. authors: sigmod record , 1991. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: temporal reasoning in active databases. authors: i motakis. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , m b\u0456hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: temporal database. authors: emk bibliography. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: online algorithms for finding profile association rules. authors: cc aggarwal , z sun , ps yu. venue: proceedings of the seventh international conference on & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: optimization and dataflow algorithms for nested tree queries. authors: m muralikrishna. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: vldb. year: 1999", "productB": "title: fast algorithms for mining association rules in large database. authors: a rakesh , r srikant. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: proxy-server architectures for olap. authors: p kalnis , d papadias. venue: sigmod conference. year: 2001", "productB": "title: modern client-server dbms architectures. authors: n roussopoulos , a delis. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb. year: 1995", "productB": "title: query scheduling and optimization in parallel and multimedia databases. authors: mn garofalakis. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: rule management in object oriented databases : a uniform approach. authors: o d\u00e4 \u00b1 az , nw paton , p gray. venue: proc . of. year: nan", "same": false}
+{"productA": "title: model and verification of a data manager based on aries. authors: d kuo. venue: acm trans . database syst .. year: 1996", "productB": "title: specification and verification of abstract database types. authors: d stemple , t sheard. venue: proceedings of the 3rd acm sigact-sigmod symposium on & hellip ; ,. year: 1984.0", "same": false}
+{"productA": "title: a complete temporal relational algebra. authors: d dey , t barron , v storey. venue: vldb j.. year: 1996", "productB": "title: a probabilistic relational model and algebra. authors: d dey , s sarkar. venue: acm transactions on database systems ,. year: 1996.0", "same": false}
+{"productA": "title: a new approach to developing and implementing eager database replication protocols. authors: b kemme , g alonso. venue: acm trans . database syst .. year: 2000", "productB": "title: an activity based costing approach to systems development and implementation. authors: g ooi , c soh , pm lee. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: querying object-oriented databases. authors: m kifer. venue: nan. year: nan", "same": false}
+{"productA": "title: integrating the ub-tree into a database system kernel. authors: f ramsak , v markl , r fenk , m zirkel , k elhardt , r bayer. venue: vldb. year: 2000", "productB": "title: integrating databases and workflow systems. authors: s shankar , a kini , dj dewitt , j naughton. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: the role of b2b engines in b2b integration architectures. authors: c bussler. venue: sigmod record. year: 2002", "productB": "title: the impact of the internet on telecommunication architectures. authors: jp hubaux , c gbaguidi , s koppenhoefer , jyl boudec. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: distance browsing in spatial databases. authors: t sellis , n roussopoulos. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": false}
+{"productA": "title: sql and management of external data. authors: j melton , j michels , v josifovski , k kulkarni , p schwarz , k zeidenstein. venue: sigmod record. year: 2001", "productB": "title: management of semistructured data. authors: d suciu. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: vldb j.. year: 1995", "productB": "title: jeeg : a programming language for concurrent objects synchronization. authors: g milicia , v sassone. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: efficient algorithms for discovering frequent sets in incremental databases. authors: rfyaa amir , h mannila. venue: i > proc . acm sigmod workshop research issues on data mining & hellip ; ,. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2000", "productB": "title: treasurer 's message. authors: j hammer. venue: sigmod. year: 2000.0", "same": false}
+{"productA": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h tan , i korpeoglu. venue: sigmod record. year: 2003", "productB": "title: an energy-efficient mac protocol for wireless sensor networks. authors: w ye , j heidemann , d estrin. venue: nan. year: nan", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: linear road : a benchmark for stream data management systems. authors: a arasu , m cherniack , e galvez , d maier , a maskey ,. venue: vldb. year: nan", "same": false}
+{"productA": "title: control strategies for complex relational query processing in shared nothing systems. authors: l brunie , h kosch. venue: sigmod record. year: 1996", "productB": "title: wong . distributed queryprocessing in relational databasesystems. authors: r epstein , e stonebraker. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: achieving robustness in distributed database systems. authors: dl eager , kc sevcik. venue: acm transactions on database systems ,. year: 1983.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: database management systems. authors: r ramakrishnan , j gehrke. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: watermarking relational databases. authors: r sion , m atallah , s prabhakarl. venue: i ndiana : the center for education and research in information. year: nan", "same": false}
+{"productA": "title: panel : future directions of database research - the vldb broadening strategy , part 1. authors: h schek. venue: vldb. year: 2000", "productB": "title: database research : some comments on future directions. authors: wt hardgrave , eh sibley. venue: nan. year: nan", "same": false}
+{"productA": "title: on the minimization of xpath queries. authors: s flesca , f furfaro , e masciari. venue: vldb. year: 2003", "productB": "title: optimization and evaluation of array queries. authors: r ritsch , p baumann. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: sql query optimization : reordering for a general class of queries. authors: p goel , b iyer. venue: sigmod conference. year: 1996", "productB": "title: subquery rewriting for optimization of sql queries. authors: b cao , a badia. venue: submitted for. year: nan", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: interactive query formulation in semistructured databases. authors: a trigoni. venue: nan. year: nan", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: materialized view selection in a multi-dimensional datacube. authors: e baralis , s paraboschi , e teniente. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: materialized view selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb ,. year: 1997.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: a statistical approach to incomplete information in database systems. authors: e wong. venue: acm transactions on database systems ,. year: 1982.0", "same": false}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: on the computation of multidimensional aggregates. authors: a sameet , a rakesh , md prasad\u00e2 ? \u00a6. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: dj rog , d fournier. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: the arechitecture of an active database management system. authors: r dennis , du mccarthy. venue: proc . of acm sigmod symposium on man agement of data ,. year: nan", "same": false}
+{"productA": "title: data placement in shared-nothing parallel database systems. authors: m mehta , d dewitt. venue: vldb j.. year: 1997", "productB": "title: signature caching in parallel object database systems. authors: k norvag. venue: information and software technology ,. year: 2002.0", "same": false}
+{"productA": "title: research issues in active database systems : report from the closing panel at ride-ads '94. authors: j widom. venue: sigmod record. year: 1994", "productB": "title: research issues in databases for arcs : active rapidly changing data systems. authors: a datta. venue: sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: challenges for global information systems. authors: a levy , a silberschatz , d srivastava , m zemankova. venue: vldb. year: 1994", "productB": "title: database challenges in global information systems. authors: jj ordille , bp miller. venue: nan. year: nan", "same": false}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: privacy-preserving mining of association rules. authors: v krishnan , i mumbai , s agrawal , i bangalore , j. venue: nan. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: asd rothnie , j. '' query processing in a system for distributed databases . ''. authors: pa bernstein , n goodman , e wong. venue: acm trans . database. year: nan", "same": false}
+{"productA": "title: dbminer : interactive mining of multiple-level knowledge in relational databases. authors: j han , y fu , w wang , j chiang , o za\u044fane , k koperski. venue: sigmod conference. year: 1996", "productB": "title: joining interval data in relational databases. authors: j enderle , m hampel , t seidl. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: fast joins using join indices. authors: z li , k ross. venue: vldb j.. year: 1999", "productB": "title: join indices. authors: p valduriez. venue: acm transactions on database systems ,. year: 1987.0", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: mining generalized association rules. authors: r agrawal , r srikant. venue: proceedings of the 1995 international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: microsoft sql server 7.0 administrator 's companion. authors: j fronckowiak , ms garcia , e whalen. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: self-managing technology in database management systems. authors: s chaudhuri , b dageville , g lohman. venue: nan. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining generalized association rules. authors: s ramakrishnan , a rakesh. venue: proceedings of 21 stvldb conference , zurich , switzerland ,. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: semantic modeling of object oriented databases. authors: m bouzeghoub. venue: vldb ,. year: 1991.0", "same": false}
+{"productA": "title: integrating information for on demand computing. authors: n mattos. venue: vldb. year: 2003", "productB": "title: integrating performance monitoring and communication in parallel computers. authors: m martonosi , d ofelt , m heinrich. venue: proceedings of the 1996 acm sigmetrics international & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining fuzzy implication-based association rules in quantitative databases [ a ]. authors: gq chen , p yan , ee kerre. venue: proceedings of flins2002belgium : world scientific ,. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: storage and retrieval of xml data using relational databases. authors: s chaudhuri , k shim. venue: data engineering , 2003 . proceedings . 19th international & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: an adaptive hybrid server architecture for client caching odbmss. authors: k voruganti , m \u0436zsu , r unrau. venue: vldb. year: 1999", "productB": "title: data caching tradeoffs in client-server dbms architectures. authors: m franklin , m carey , m livny , e shekita. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: performance analysis of whips incremental maintenance. authors: y zhuge , h garcia-molina. venue: nan. year: nan", "same": false}
+{"productA": "title: document management as a database problem. authors: r bayer. venue: vldb. year: 1995", "productB": "title: multimedia data base management : applications and problems. authors: s christodoulakis. venue: proceedings , acm-sigmod. year: nan", "same": false}
+{"productA": "title: constraints for semi-structured data and xml. authors: p buneman , w fan , j sim\u0449on , s weinstein. venue: sigmod record. year: 2001", "productB": "title: path constraints on structured and semistructured data. authors: p buneman , w fan , s weinstein. venue: proc . acm pods conference ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: r diem. venue: social studies and the young learner ,. year: nan", "same": false}
+{"productA": "title: spatial joins using seeded trees. authors: m lo , c ravishankar. venue: sigmod conference. year: 1994", "productB": "title: an efficient cost model for spatial joins using r-trees. authors: y theodoridis , e stefanakis , t sellis. venue: nan. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: query processing in main memory database management systems. authors: tj lehman , mj carey. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: querying multiple features of groups in relational databases. authors: d chatziantoniou , k ross. venue: vldb. year: 1996", "productB": "title: answermg queries m relational databases. authors: mm ad ` atn , n spyratos. venue: proc a cm sigmod int conference on management of data , san. year: nan", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: object-oriented systems : a cross-discipline overview. authors: o diaz. venue: information and software technology ,. year: 1996.0", "same": false}
+{"productA": "title: modeling high-dimensional index structures using sampling. authors: c lang , a singh. venue: sigmod conference. year: 2001", "productB": "title: high-dimensional index structures. authors: s berchtold , da keim. venue: proceedings of sigmod ,. year: nan", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: storing semistructured data in relations. authors: a deutsch , m fernandez , d suciu. venue: nan. year: nan", "same": false}
+{"productA": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p seshadri. venue: vldb j.. year: 1994", "productB": "title: the rhet system. authors: jf allen. venue: acm sigart bulletin ,. year: 1991.0", "same": false}
+{"productA": "title: composing web services on the semantic web. authors: b medjahed , a bouguettaya , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: museum finland\u00e2 ?? finnish museums on the semantic web. authors: e hyvonen , e makela , m salminen , a valo , k. venue: journal of web semantics ,. year: 2005.0", "same": false}
+{"productA": "title: the mlpq/gis constraint database system. authors: p revesz , r chen , p kanjamala , y li , y liu , y wang. venue: sigmod conference. year: 2000", "productB": "title: deductive database system. authors: g phippc. venue: proc acn sigmod on management of data ,. year: nan", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: behaviour management in database applications. authors: jy lingat , p nobecourt , c rolland. venue: nan. year: nan", "same": false}
+{"productA": "title: eager aggregation and lazy aggregation. authors: w yan , p larson. venue: vldb. year: 1995", "productB": "title: lazy aggregation. authors: wp yan , paea larson. venue: international conference on very large data bases ( vldb\u00e2 ?? 95. year: nan", "same": false}
+{"productA": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference. year: 1994", "productB": "title: data modeling in delab. authors: ye ioannidis , m livny. venue: proceedings of the 1988 acm sigmod international conference & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: nan. venue: nan. year: 1998", "productB": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: j hammer. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: data stream management system for mavhome. authors: q jiang , s chakravarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: query processing in a distributed relational database system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: high-dimensional index structures. authors: s berchtold , da keim. venue: proceedings of sigmod ,. year: nan", "same": false}
+{"productA": "title: wavelet-based histograms for selectivity estimation. authors: y matias , j vitter , m wang. venue: sigmod conference. year: 1998", "productB": "title: selectivity estimation for spatial joins. authors: n an , zy yang , a sivasubramaniam. venue: nan. year: nan", "same": false}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: infer : a relational query language without the complexity of sql. authors: t mason , r lawrence. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: birch : an efficient data clustering method for very large. authors: t zhang , r ramakrishnan , m livny. venue: proceedings of acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: delaunay : a database visualization system. authors: if cruz , m averbuch , wt lucas , m radzyminski , k. venue: nan. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": false}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: approximate computation ofmultidimensionalaggregates ofsparsedata using wavelets. authors: js vitter , m wang. venue: proceedings of the 1999 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: extensible database management systems. authors: mj carey , lm haas. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: data compression in oracle. authors: m p\u0456ss , d potapov. venue: vldb. year: 2003", "productB": "title: data compression for randomly addressed files. authors: d wilkes. venue: msc . thesis , department of computer science , university of. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editorial. authors: z bankowski , a scott , f snyder. venue: european law journal ,. year: 1998.0", "same": false}
+{"productA": "title: streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb. year: 2002", "productB": "title: processing complex aggregate queries over data streams. authors: a dobra , mn garofalakis , j gehrke , r rastogi. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: parallel algorithms for relational database operations. authors: dj dewitt , d bitton , h boral , wk wilkinson. venue: acm trans . on database systems ,. year: nan", "same": false}
+{"productA": "title: xml schema. authors: c campbell , a eisenberg , j melton. venue: sigmod record. year: 2003", "productB": "title: definitive xml schema. authors: p walmsley. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: user interface management systems and application portability. authors: rc seacord. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: information director 's message. authors: nan. venue: nan. year: 1998", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: transaction management in an object-oriented database system , h. boral , p.-a . larson. authors: jf garza , w kim. venue: proc . acm sigmod , chicago , ill. , sigmod record ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: vldb j.. year: 1998", "productB": "title: estimation of count queries in relational databases. authors: wc hou , g ozsoyoglu , e dogdu. venue: acm sigmod conference , may ,. year: nan", "same": false}
+{"productA": "title: design principles for data-intensive web sites. authors: s ceri , p fraternali , s paraboschi. venue: sigmod record. year: 1999", "productB": "title: data-driven one-to-one web site generation for data-intensive web applications. authors: s ceri , p fraternali , s paraboschi. venue: proceedings of vldb\u00e2 ?? 99 , september 1999 , edinburgh ,. year: nan", "same": false}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: aquery : query language for ordered data. authors: a lerner , d shasha. venue: optimization techniques , and experiments , in vldb ,. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: common interface between programming languages and data base management systems. authors: j rabin , cw cheng. venue: acm sigmod record ,. year: 1973.0", "same": false}
+{"productA": "title: balancing performance and data freshness in web database servers. authors: a labrinidis , n roussopoulos. venue: vldb. year: 2003", "productB": "title: exploring the tradeoff between performance and data freshness in database-driven web servers. authors: a labrinidis , n roussopoulos. venue: the vldb journal ,. year: 2004.0", "same": false}
+{"productA": "title: concurrent garbage collection in o2. authors: m skubiszewski , p valduriez. venue: vldb. year: 1997", "productB": "title: compact garbage collection tables. authors: d tarditi. venue: nan. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: data grid management systems. authors: a rajasekar , a jagatheesan. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the arechitecture of an active database management system. authors: r dennis , du mccarthy. venue: proc . of acm sigmod symposium on man agement of data ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: editorial. authors: m shackleton , p marrow. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: rate-based query optimization for streaming information sources. authors: s viglas , j naughton. venue: sigmod conference. year: 2002", "productB": "title: maximizing the output rate of multi-way join queries over streaming information sources. authors: s viglas , jf naughton , j burger. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialized view selection and maintenance using multi-query optimization. authors: h mistry , p roy , s sudarshan , k ramamritham. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: join operations in temporal databases. authors: d gao , cs jensen , rt snodgrass , md soo. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: coordinated backup and recovery between database management systems and file systems. authors: i narang , c mohan , k brannon , m subramanian. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: querying object-oriented databases. authors: m kifer. venue: nan. year: nan", "same": false}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: special issue on real-time database systems. authors: m eich. venue: acm sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1998", "productB": "title: reminiscences on influential papers. authors: e bertino. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: disjunctive datalog. authors: t eiter , g gottlob , h mannila. venue: acm trans . database syst .. year: 1997", "productB": "title: adding disjunction to datalog. authors: t eiter , g gottlob , h mannila. venue: nan. year: nan", "same": false}
+{"productA": "title: performing jobs without decompression in a compressed database system. authors: s o'connell , n winterbottom. venue: sigmod record. year: 2003", "productB": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: nan. year: nan", "same": false}
+{"productA": "title: generating call-level interfaces for advanced database application programming. authors: u nink , t h\u0444rder , n ritter. venue: vldb. year: 1999", "productB": "title: building user interfaces for database applications : the 02 experience. authors: p borras , jc mamou , d plateau , b poyet. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: automated design of multidimensional clustering tables for relational databases. authors: h yu , kl ma , j welling. venue: international conference on very large databases ,. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a studey of three alternative workstation-server architectures for object-oriented databases. authors: d dewitt , p futtersak , d maier , f velez. venue: proc . vldb conf ,. year: nan", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: query optimization for semistructured data. authors: j mchugh , j widom. venue: proc . vldb ,. year: 1999.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: an effective algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: proceedings of 21st international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the design and implcmentahon of ingres. authors: m stonebraker , e wong , p krcps. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: falcon : feedback adaptive loop for content-based retrieval. authors: l wu , c faloutsos , k sycara , t payne. venue: vldb. year: 2000", "productB": "title: keyblock : an approach for content-based image retrieval. authors: l zhu. venue: nan. year: nan", "same": false}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the sr-tree : an index structure forhigh-dimensionalnearest neighbor queries. authors: n katayama , s satoh. venue: acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: schema evolution in object-oriented database systems. authors: gt nguyen , d rieu. venue: data & knowledge engineering ,. year: 1989.0", "same": false}
+{"productA": "title: meaningful change detection in structured data. authors: s chawathe , h garcia-molina. venue: sigmod conference. year: 1997", "productB": "title: meaningful change detection on the web. authors: s flesca , f furfaro , e masciari. venue: nan. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: a territorial database management system. authors: f antonacci , p dell ` orco , a turtur. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: an introduction to deductive database languages and systems. authors: k ramamohanarao , j harland. venue: vldb j.. year: 1994", "productB": "title: introduction to vlsi systems. authors: c mead , l conway. venue: nan. year: 1979.0", "same": false}
+{"productA": "title: a formal perspective on the view selection problem. authors: r chirkova , a halevy , d suciu. venue: vldb j.. year: 2002", "productB": "title: on the complexity of the view-selection problem. authors: h karloff , m mihail. venue: proceedings of the eighteenth acm sigmod-sigact-sigart & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: r diem. venue: social studies and the young learner ,. year: nan", "same": false}
+{"productA": "title: a modified random perturbation method for database security. authors: p tendick , n matloff. venue: acm trans . database syst .. year: 1994", "productB": "title: security of random data perturbation methods. authors: k muralidhar , r sarathy. venue: acm transactions on database systems ,. year: 1999.0", "same": false}
+{"productA": "title: query evaluation in deductive databases with alternating fixpoint semantics. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: semantic assumptions and query evaluation in temporal databases. authors: c bettini , xs wang , e bertino , s jajodia. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: modeling multidimensional da [ abases. authors: r agrawal , a gupta , s sarawagi. venue: technical report , ibm almaden research center , 650 harry road ,. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining multiple-level association rules in large databases. authors: j han , y fu. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: some efficient algorithms for rough set methods. authors: sh nguyen , hs nguyen. venue: proc .. year: nan", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: topological queries in spatial databases. authors: ch papadimitriou. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: design and implementation of the relationlog deductive database system. authors: m liu , r shan. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: first iteration/generative systems ( guest editor 's introduction ). authors: a dorin , j mccormack. venue: leonardo ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2000", "productB": "title: reminiscences on influential papers. authors: hgm stanlbrd. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": false}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: distributed restoration in telecommunications networks. authors: d johnson\u00e2 ? \u00a6. venue: bt technology journal ,. year: 1994.0", "same": false}
+{"productA": "title: query decomposition and view maintenance for query languages for unstructured data. authors: d suciu. venue: vldb. year: 1996", "productB": "title: a query languageand optimization techniquesfor unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: proceedings of acm-sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: index-driven similarity search in metric spaces. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 2003", "productB": "title: indexing large metric spaces for similarity search queries association for computing machinery. authors: t bozkaya , m ozsoyoglu. venue: transactions on database system ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editors ' notes. authors: c knapper , s piccinin. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: query optimizationfor semistructured data. authors: jmhj widom. venue: technical report , stanford university database group , november. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction. authors: portal.acm.org. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: temporal databases. authors: j chomicki. venue: nan. year: nan", "same": false}
+{"productA": "title: spatial joins using seeded trees. authors: m lo , c ravishankar. venue: sigmod conference. year: 1994", "productB": "title: processing and optimization of multiway spatial joins using r-trees. authors: d papadias , n mamoulis , y theodoridis. venue: proc acm sigact sigmod sigart symp princ database syst ,. year: 1999.0", "same": false}
+{"productA": "title: client-server paradise. authors: d dewitt , n kabra , j luo , j patel , j yu. venue: vldb. year: 1994", "productB": "title: modern client-server dbms. authors: n roussopoulos. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: an introduction to deductive database languages and systems. authors: k ramamohanarao , j harland. venue: vldb j.. year: 1994", "productB": "title: an informal introduction to constraint database systems. authors: v gaede. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb. year: 1996", "productB": "title: efficient aggregation algorithms on very large compressed data warehouses. authors: j li , y li , j srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: advances in real-time database systems research. authors: a bestavros. venue: sigmod record. year: 1996", "productB": "title: advances in space research. authors: j yokogawa , m sakano , k koyama , s yamauchi. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: integrating modelling systems for environmental management information systems. authors: d abel , k taylor , d kuo. venue: sigmod record. year: 1997", "productB": "title: flexible framework for contingent information systems modelling. authors: v van swede , jc van vliet. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: database research at the indian institute of technology , bombay. authors: d phatak , n sarda , s seshadri , s sudarshan. venue: sigmod record. year: 1996", "productB": "title: database research at the university of queensland. authors: me orlowska. venue: acm sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: efficient materialization and use of views in data warehouses. authors: mf de souza , mc sampaio. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: metu object-oriented dbms. authors: a dogac , i arpinar , c evrendilek , c ozkan , i altintas , i durusoy , m altinel , t okay , y saygin. venue: sigmod conference. year: 1994", "productB": "title: sentinel : an object-oriented dbms with event-based rules. authors: s chakravarthy. venue: acm sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: information director 's message. authors: nan. venue: nan. year: 1998", "productB": "title: information rules. authors: s carl , hr varian. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: mining quantitative association rules from large databases. authors: r mrikant , r agrawal. venue: ins proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: incremental distance join algorithms for spatial databases. authors: g hjaltason , h samet. venue: sigmod conference. year: 1998", "productB": "title: distance browsing in spatial databases. authors: t sellis , n roussopoulos. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": false}
+{"productA": "title: graphical interaction with heterogeneous databases. authors: t catarci , g santucci , j cardiff. venue: vldb j.. year: 1997", "productB": "title: declustering databases on heterogeneous disk systems. authors: lt chen , d rotem. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: the active database management systems manifesto. authors: kr dittrich , s gatziu , a geppert. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin. venue: vldb ,. year: 1995.0", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: graphdb : a data model and query language for graphs in databases. authors: rh g\u00e3 1/4 ting. venue: nan. year: nan", "same": false}
+{"productA": "title: interview with rakesh agrawal. authors: nan. venue: nan. year: 2003", "productB": "title: interview with authors. authors: r hicks. venue: san diego ,. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: legodb : customizing relational storage for xml documents. authors: p bohannon , j freire , j haritsa , m ramanath , p roy , j sim\u0449on. venue: vldb. year: 2002", "productB": "title: efficiently publishing relational data as xml documents. authors: m carey , b lindsay , h pirahesh , b reinwald. venue: proc .. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: editorial. authors: p muschamp , j hill. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: fast algorithms for mining association rules. authors: d xin , j han , x li , b wah. venue: proc . int . conf . on very large databases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: storing and querying ordered xml using a relational database system. authors: i tatarinov , s viglas , k beyer , j shanmugasundaram , e shekita , c zhang. venue: sigmod conference. year: 2002", "productB": "title: formal syntax and semantics of a reconstructed relational database system. authors: d jonsson. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: versioning and configuration management in an object-oriented data model. authors: e sciore. venue: vldb j.. year: 1994", "productB": "title: event specification in an object-oriented database system. authors: nh gehani , hv jagadish , o shmueli. venue: proc . acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: fast algorithms for mining association rules. authors: d xin , j han , x li , b wah. venue: proc . int . conf . on very large databases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: native xml database management systems : the survey. authors: k chatzinas , h meng. venue: nan. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: bilvideo video database management system. authors: o ulusoy , c alper. venue: nan. year: nan", "same": false}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: acyclic query processing in object-oriented databases .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: the aggregate data problem : a system for their definition and management. authors: m rafanelli , a bezenchek , l tininini. venue: sigmod record. year: 1996", "productB": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: tutorial on information visualisation. authors: m chalmers. venue: vldb conference ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: subset queries in relational databases. authors: sr valluri , k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: indexing multimedia databases ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: standard for multimedia databases. authors: jr smith. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: sigmod conference. year: 1998", "productB": "title: the rasdaman approach to multidimensional database management. authors: p baumann , p furtado , r ritsch , n widmann. venue: nan. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: multimedia database management systems ( panel ). authors: s christodoulakis. venue: sigmod conference ,. year: nan", "same": false}
+{"productA": "title: research issues in federated database systems : report of efdbs '97 workshop. authors: nan. venue: nan. year: 1997", "productB": "title: research issues in spatial database systems. authors: o guenther , a buchmann. venue: sigmod-record , acm ,. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: syw su. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: operator scheduling in a data stream manager. authors: d carney , u \u0447etintemel , a rasin , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: preemptive rate-based operator scheduling in a data stream management system. authors: ma sharaf , pk chrysanthis , a labrinidis. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: introduction to object-oriented databases. authors: ma garvey , ms jackson. venue: information and software technology ,. year: 1989.0", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: randomized algorithms for optimizing large join queries. authors: ye ioannidis , yc kang. venue: nan. year: 1990.0", "same": false}
+{"productA": "title: semantic b2b integration. authors: nan. venue: nan. year: 2001", "productB": "title: semantic b2b integration : issues in ontology-based approaches. authors: , d jones. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continues queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: a close look at the ifo data model. authors: m hanna. venue: sigmod record. year: 1995", "productB": "title: response to \u00e2 ?? a close look at the ifo data model\u00e2 ??. authors: s abiteboul , r hull. venue: acm sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: an algebra for semantic interoperation of semistructured data. authors: j jannink , p mitra , e neuhold , s pichai , r studer ,. venue: nan. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: a survey of object oriented database systems. authors: rw thearle. venue: conference proceedings on data management 91 table of & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: index configuration in object-oriented databases. authors: e bertino. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: semanticmodelling of object-oriented databases. authors: mbe m & de. venue: hoe . vldb ,. year: nan", "same": false}
+{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: s abiteboul , j mchugh , m rys , v vassalos , j wiener. venue: vldb. year: 1998", "productB": "title: incremental maintenance of materialized ontologies. authors: r volz , s staab , b motik. venue: lecture notes in computer science ,. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: join index hierarchies for supporting efficient navigation in object-oriented databases. authors: z xie , j han. venue: proc . int . conf . on very large data bases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the ores temporal database system. authors: b theodolidis , ga ait-braham , j chaudhary , g. venue: proc . acm sigmod conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: index-driven similarity search in metric spaces. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 2003", "productB": "title: indexing protein sequences in metric space. authors: w xu , dp miranker , r mao , s wang. venue: submitted for publication ,. year: 2003.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editors ' introduction. authors: dc phillips , e callan. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: query processing in a relational database management system. authors: k youssefi , e wong. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: the database group at national technical university of athens ( ntua ). authors: t sellis , y vassiliou. venue: sigmod record. year: 1995", "productB": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: l zeng , b benatallah , p nguyen , a ngu. venue: vldb. year: 2001", "productB": "title: workflow management for the virtual enterprise. authors: k dittrich , d tombros. venue: nan. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: efficient and effective cluster method for spatial data mining. authors: r ng , j han. venue: proceedings of the 20th international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction : image databases. authors: ss iyengar , rl kashyap. venue: ieee transactions on software engineering ,. year: 1988.0", "same": false}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: distance-based outliers : algorithms and applications. authors: em knorr , rt ng , v tucakov. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: special issue editorial. authors: k ramamohanarao. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: sigmod conference. year: 1996", "productB": "title: optimizing existential datalog queries. authors: r ramakrishnan. venue: proceedings of the seventh acm sigact-sigmod-sigart & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: optimal configuration of nested attribute indexes in object-oriented databases. authors: sk seo , yj lee. venue: nan. year: nan", "same": false}
+{"productA": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: vldb j.. year: 1998", "productB": "title: updating relational databases through object-based views. authors: t barsalou , g wiederhold. venue: nan. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: ja cushman. venue: nan. year: nan", "same": false}
+{"productA": "title: fast incremental maintenance of approximate histograms. authors: p gibbons , y matias , v poosala. venue: vldb. year: 1997", "productB": "title: incremental maintenance of xml structural indexes. authors: k yi , h he , i stanoi , j yang. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: incremental distance join algorithms for spatial databases. authors: g hjaltason , h samet. venue: sigmod conference. year: 1998", "productB": "title: algorithms for processing k-closest-pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m. venue: data & knowledge engineering ,. year: 2004.0", "same": false}
+{"productA": "title: treasurer 's message. authors: nan. venue: nan. year: 2000", "productB": "title: sigcas chair 's message. authors: cd martin. venue: computers and society ,. year: nan", "same": false}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: temporal databases. authors: rt snodgrass. venue: nan. year: nan", "same": false}
+{"productA": "title: a multi-similarity algebra. authors: s adali , p bonatti , m sapino , v subrahmanian. venue: sigmod conference. year: 1998", "productB": "title: a multimedia presentation algebra. authors: s adal\u00e4 \u00b1 , ml sapino , vs subrahmanian. venue: sigmod ,. year: 1999.0", "same": false}
+{"productA": "title: oasis : an online and accurate technique for local-alignment searches on biological sequences. authors: c meek , j patel , s kasetty. venue: vldb. year: 2003", "productB": "title: investigation of local-alignment search for large biological sequences indexed using suffix trees. authors: s arumugam , s degwekar , a pol. venue: nan. year: nan", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: survey : continuous query over data streams. authors: s rahul. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: cure : an efficient clustering algorithm for large data databases. authors: s guha , r rastogi , k shim. venue: proc . of the acm sigmod ,. year: nan", "same": false}
+{"productA": "title: the structured information manager : a database system for sgml documents. authors: r sacks-davis. venue: vldb. year: 1996", "productB": "title: a database management system for the federal courts. authors: jr buchanan , rd fennell , h samet. venue: acm transactions on database systems ,. year: 1984.0", "same": false}
+{"productA": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb. year: 2001", "productB": "title: y. vardi , rewriting of regular expressions and regular path queries. authors: d calvanese , g degiacomo , m lenzeriniandm. venue: proc . of the 18th acm sigact sigmod sigart symp . on. year: nan", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: distributed query evaluation on semistructured data. authors: d suciu. venue: acm transactions on database systems ,. year: 2002.0", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2001", "productB": "title: head/director 's message. authors: rdae status. venue: nan. year: nan", "same": false}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb. year: 2000", "productB": "title: approximate join processing over data streams. authors: a das , j gehrke , m riedewald. venue: nan. year: nan", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: fuzziness in database management systems. authors: p bosc. venue: heidelberg :. year: nan", "same": false}
+{"productA": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record. year: 1998", "productB": "title: materialized views in oracle. authors: rg bello , k dias , a downing , j feenan , j finnerty ,. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: towards knowledge-based digital libraries. authors: l feng , m jeusfeld , j hoppenbrouwers. venue: sigmod record. year: 2001", "productB": "title: towards a theory of cost management for digital libraries. authors: ap sistla , o wolfson , y yesha , r sloan. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: masking system crashes in database application programs. authors: jc freytag , f cristian. venue: vldb ,. year: 1987.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: mp atkinson. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: querying structured text in an xml database. authors: s al-khalifa , c yu , h jagadish. venue: sigmod conference. year: 2003", "productB": "title: querying logical databases. authors: my vardi. venue: proceedings of the fourth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: semantic integration and query of heterogeneous information sources. authors: s bergamaschi , s castano , m vincini , d beneventano. venue: nan. year: nan", "same": false}
+{"productA": "title: communication efficient distributed mining of association rules. authors: a schuster , r wolff. venue: sigmod conference. year: 2001", "productB": "title: efficient mining for fuzzy implication-based association rules in quantitative databases. authors: g chen , p yan , ee kerre. venue: international journal of general systems ,. year: 2004.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: efficient parallel data mining for association rules. authors: js park , ms chen , ps yu\u00e2 ? \u00a6. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editor 's notes. authors: wmk trochim. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: raj gehrke , dgp raghavan. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation and analysis of a parallel collection query language. authors: d suciu. venue: vldb. year: 1996", "productB": "title: implementation of logical query languages for databases. authors: jd ullman. venue: acm transactions on database systems ,. year: 1985.0", "same": false}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: domino : databases for moving objects tracking. authors: owp sistla , bxjzs chamberlain. venue: nan. year: nan", "same": false}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: genesereth . answering recursive queries using views. authors: mr duschka. venue: proc of the 16th acm sigact sigmod sigart symp on principles & hellip ; ,. year: nan", "same": false}
+{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: r jr. , w bohrer , r brice , a cichocki , j fowler , a helal , v kashyap , t ksiezyk , g martin , m nodine , m rashid , m rusinkiewicz , r shea , c unnikrishnan , a unruh , d woelk. venue: sigmod conference. year: 1997", "productB": "title: infosleuth : agent-based semantic integration of information in open and dynamic environments. authors: \u00e2 ? \u00a6. venue: nan. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: fuzziness in database management systems. authors: p bosc. venue: heidelberg :. year: nan", "same": false}
+{"productA": "title: the lham log-structured history data access method. authors: p muth , p o'neil , a pick , g weikum. venue: vldb j.. year: 2000", "productB": "title: performance of the lham log-structured history data access method. authors: p muth , eon patrick , a pick , g weikum , i design. venue: & hellip ; of the 24rd international conference on very large data. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: designing relational database systems. authors: r riordan. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: implementation techniques for main memory database systems , sigmod intl. authors: dj dewitt , rh katz , f olken , ld shapiro\u00e2 ? \u00a6. venue: conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: load shedding in a data stream management system. authors: q jiang , s chakravarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: outlier detection for high dimensional data. authors: c aggarwal , p yu. venue: sigmod conference. year: 2001", "productB": "title: fast outlier detection in high dimensional spaces. authors: f angiulli , c pizzuti. venue: nan. year: nan", "same": false}
+{"productA": "title: high-performance sorting on networks of workstations. authors: a arpaci-dusseau , r arpaci-dusseau , d culler , j hellerstein , d patterson. venue: sigmod conference. year: 1997", "productB": "title: high-end computing on shv workstations connected with high performance network. authors: lp huse , h bugge. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: vldb. year: 1995", "productB": "title: query processing and caching in tertiary memory. authors: s sarawagi. venue: proc . of the 21st conference on very large databases , zurich ,. year: nan", "same": false}
+{"productA": "title: checking the temporal integrity of interactive multimedia documents. authors: i mirbel , b pernici , t sellis , s tserkezoglou , m vazirgiannis. venue: vldb j.. year: 2000", "productB": "title: madeus : an authoring environment for interactive multimedia documents. authors: m jourdan , n layaida. venue: nan. year: nan", "same": false}
+{"productA": "title: managing web data. authors: nan. venue: nan. year: 1999", "productB": "title: managing and analyzing carbohydrate data. authors: kf aoki , n ueda , a yamaguchi , t akutsu , m kanehisa. venue: acm sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the implementation of etude , an integrated and interactive document production system. authors: m hammer , r ilson , t anderson , m good , s schoichet. venue: nan. year: 1981.0", "same": false}
+{"productA": "title: the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m jones , p marr\u0453n. venue: sigmod conference. year: 1996", "productB": "title: an object-oriented endronment for ois applications. authors: om nierstrasz , dc tsichritzis. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: on views and xml. authors: s abiteboul. venue: sigmod record. year: 1999", "productB": "title: objects and views. authors: s abiteboul , aj bonner. venue: nan. year: nan", "same": false}
+{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: sigmod conference. year: 2002", "productB": "title: dbxplorer : a system for keyword-based search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: nan. year: nan", "same": false}
+{"productA": "title: reminiscences an influential papers. authors: nan. venue: nan. year: 2003", "productB": "title: reminiscences on influential papers. authors: e bertino. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: insight into object-oriented databases. authors: s khoshafian. venue: information and software technology ,. year: 1990.0", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: pj , and kemp , db design overview of the aditi deductive database system. authors: j vaghani , k ramamohanarao , zs somogyi. venue: proceedings of the international conference on data. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: views as first-class citizens in object-oriented databases. authors: r alhajj , f polat , c y\u00e3lmaz. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: the world wide web and databases. authors: p atzeni , a mendelzon , g mecca. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: querying object-orienteddatabases. authors: wk michaelkifer , y sagiv. venue: proc . of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: reed : robust , efficient filtering and event detection in sensor networks. authors: dj abadi , s madden , w lindner. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: improving access to environmental data using context information. authors: a tomasic , e simon. venue: sigmod record. year: 1997", "productB": "title: improving intranet search-engines using context information from databases. authors: c mangold , h schwarz , b mitschang. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: an effective algorithm for mining of association rules. authors: js park\u00e2 ? \u00a6. venue: proceedings of acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: b blohsfeld , d korus , b seeger. venue: sigmod conference. year: 1999", "productB": "title: selectivity estimation of complex spatial queries. authors: n mamoulis , d papadias. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: software engineering in the small - guest editor 's introduction. authors: d moitra. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: a query model for object-oriented databases. authors: w krm. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: report on second international workshop on advanced issues of e-commerce and web-based information systems. authors: nan. venue: nan. year: 2000", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: z lacroix , o boucelma. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction : software metrics. authors: tm khoshgoftaar , p oman. venue: computer ,. year: 1994.0", "same": false}
+{"productA": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy , i manolescu , d suciu. venue: sigmod conference. year: 1999", "productB": "title: query optimization in the presence of top -. authors: lp mahalingam , ks candan. venue: nan. year: nan", "same": false}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: semantic relations : the key to integrating and query processing in heterogeneous databases. authors: n rishe , ri athauda , j yuan , sc chen. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: managing intervals efficiently in object-relational databases. authors: hp kriegel , m poetke , t seidl. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: s ashok. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: research directions in data base management systems. authors: d tsichritzis. venue: acm sigmod record ,. year: 1977.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: an object-oriented approach to multimedia databases. authors: d woelk , w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: applications of the java programming language to database management. authors: b burton , v marek. venue: sigmod record. year: 1998", "productB": "title: k : a high-level knowledge base programming language for advanced database applications. authors: ym shyy. venue: nan. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: an efficient structure for string databases. authors: t kahveci , ak singh. venue: vldb , rome , september ,. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: parallel algorithm for mining outliers in large database. authors: e hung. venue: nan. year: nan", "same": false}
+{"productA": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record. year: 2002", "productB": "title: issues in multimedia databases. authors: hv jagadish. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: change management in heterogeneous semistructured databases. authors: s chawathe , v gossain , x liu , j widom , s abiteboul. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: ay halevy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: spade : an efficient algorithm for mining frequent sequence. authors: jz mohammed. venue: & hellip ; learning journal , special issue on unsupervised learning ,. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: access path selection in a relational database management system. authors: pp griffiths , mm astrahan , dd chamberlin , ra lorie. venue: acm sigmod international conference on management of data ,. year: nan", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: autonomous selection of indexes and materialized views in two commerical database management systems. authors: ar el-sayed , h smit. venue: nan. year: nan", "same": false}
+{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: c dyreson , m b\u0456hlen , c jensen. venue: vldb. year: 1999", "productB": "title: managing and querying changes in semi-structured data. authors: s chawathe , s abiteboul , j widom. venue: proceedings of acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: maintaining security in firm real-time database systems. authors: qn ahmed , sv vrbsky. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial databases. authors: a guting. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: multi-source spanning trees : algorithms for minimizing source eccentricities. authors: b mcmahan , a proskurowski. venue: submitted for. year: nan", "same": false}
+{"productA": "title: semistructured und structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record. year: 1997", "productB": "title: storing semistructured data in relations. authors: a deutsch , m fernandez , d suciu. venue: nan. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: hans-peter . kriegel . the x-tree : an index structure for high-dimensional data. authors: s berchtold , da keim. venue: proceedings of the 22nd vldb. year: nan", "same": false}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: query rewriting for semistructured data. authors: v vassalos. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: database research at arizona state university. authors: s urban , s dietrich , f golshani. venue: sigmod record. year: 1996", "productB": "title: database research at at & t bell laboratories. authors: m sudarshan. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: information visualization , guest editors ' foreword. authors: nan. venue: nan. year: 1996", "productB": "title: information visualization : perception for design. authors: c ware. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: administering a distributed database management system. authors: h walker. venue: acm-sigmod. year: nan", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: an efficient algorithms for mining association rules in large databases . proceedings of the 21th. authors: a savasere , e miecinski , s navathe. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: metu object-oriented dbms. authors: a dogac , i arpinar , c evrendilek , c ozkan , i altintas , i durusoy , m altinel , t okay , y saygin. venue: sigmod conference. year: 1994", "productB": "title: open oodb : a modular object-oriented dbms. authors: s ford , ja blakeley , tj bannon. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: database issues in telecommunications network management. authors: i ahn. venue: sigmod conference. year: 1994", "productB": "title: concepts , activities and issues of policy-based communications management. authors: mdj cox , rg davison. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: mining association rules between sets of items in large databases. authors: ra as941 , t imielinksi , a swami. venue: proc . of the acm sigmod int\u00e2 ?? l conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query evaluation in deductive databases with alternating fixpoint semantics. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: query evaluation of alternating xpoint logic. authors: w chen. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: cost-based optimization for magic : algebra and implementation. authors: p seshadri , j hellerstein , h pirahesh , t leung , r ramakrishnan , d srivastava , p stuckey , s sudarshan. venue: sigmod conference. year: 1996", "productB": "title: query algebra and optimization for relational top-k queries. authors: c li , k chang , i ilyas , s song. venue: nan. year: 2005.0", "same": false}
+{"productA": "title: nd-sql : a multi-dimensional language for interoperability and olap. authors: f gingras , l lakshmanan. venue: vldb. year: 1998", "productB": "title: schemasql : a language for interoperability in multiple relational databases. authors: lv lakshmanan , f sadri , in subramanian. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb. year: 1998", "productB": "title: using unknowns to prevent discovery of association rules. authors: y saygin , vs verykios , c clifton. venue: acm sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: v atluri , a joshi , y yesha. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of materialized ontologies. authors: r volz , s staab , b motik. venue: lecture notes in computer science ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: coalescing in temporal databases. authors: m b\u0456hlen , r snodgrass , m soo. venue: vldb. year: 1996", "productB": "title: modelling temporal data. authors: au tansel. venue: information and software technology ,. year: 1990.0", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: composite object support in an object-oriented database system. authors: w kim871 kim , j banejee , h chou , j garza , d woelk. venue: proc . acm , oopsla , october ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: charm : an efficient algorithm for closed association rule mining. authors: mj zaki , cj hsiao. venue: nan. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 1998", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: a data warehousing architecture for enabling service provisioning process. authors: y kotidis. venue: vldb. year: 2001", "productB": "title: a web service architecture for enforcing access control policies. authors: ca ardagna , e damiani , sdc di vimercati , p. venue: nan. year: nan", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: modern database systems. authors: w kim\u00e2 ? \u00a6. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: pa bernstein , y ioannidis , r ramakrishnan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: pbir - perception-based image retrieval. authors: e chang , t cheng , l chang. venue: sigmod conference. year: 2001", "productB": "title: an attention-based approach to content-based image retrieval. authors: a bamidele , fwm stentiford , j morphett. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: integrating information for on demand computing. authors: n mattos. venue: vldb. year: 2003", "productB": "title: information integration. authors: a levy. venue: nan. year: nan", "same": false}
+{"productA": "title: managing multiple and distributed ontologies on the semantic web. authors: a maedche , b motik , l stojanovic. venue: vldb j.. year: 2003", "productB": "title: learning to match ontologies on the semantic web. authors: d anhai , m jayant , d robin , d pedro , h alon. venue: the vldb journal ,. year: nan", "same": false}
+{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: n huyn. venue: vldb. year: 1997", "productB": "title: view maintenance in a warehouse environment , acm sigmod int. authors: y zhuge , h garcia-molina , jl wiener. venue: conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: some issues in design of distributed deductive databases. authors: m mohania , n sarda. venue: vldb. year: 1994", "productB": "title: reactive consistency control in deductive databases. authors: g moerkotte , pc lockemann. venue: acm transactions on database systems ,. year: 1991.0", "same": false}
+{"productA": "title: distance-based outliers : algorithms and applications. authors: e knorr , r ng , v tucakov. venue: vldb j.. year: 2000", "productB": "title: discrete cosine transform : algorithms , advantages , applications. authors: kr rao , p yip. venue: nan. year: nan", "same": false}
+{"productA": "title: semantic interoperability in information services : experiencing with coopware. authors: a gal. venue: sigmod record. year: 1999", "productB": "title: dynamic service matchmaking among agents in open information environments , semantic interoperability. authors: k sycara , m klusch , j lu , s wido. venue: journal acm sigmod record. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: vertical partitioning algorithms for database design. authors: s navathe , s ceri , g wiederhold , j dou. venue: acm transactions on database systems ,. year: 1984.0", "same": false}
+{"productA": "title: the evolution of the web and implications for an incremental crawler. authors: j cho , h garcia-molina. venue: vldb. year: 2000", "productB": "title: incremental crawler and evolution of the web. authors: j cho , h garcia-molina. venue: technical report , department of computer science , stanford. year: nan", "same": false}
+{"productA": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference. year: 1999", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: path rewriting in semistructured data. authors: d debarbieux , y roos , s tison , y andre , ac caron. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: cure : an efficient algorithm for clustering large databases. authors: s guha , r rastogi , k shim. venue: proceedings of acm-sigmod 1998 international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record. year: 2000", "productB": "title: trends in data mining and knowledge discovery. authors: kj cios , l kurgan. venue: nan. year: nan", "same": false}
+{"productA": "title: secure buffering in firm real-time database systems. authors: b george , j haritsa. venue: vldb. year: 1998", "productB": "title: database buffer paging in virtual storage systems. authors: t lang , c wood , eb fernandez. venue: acm transactions on database systems ,. year: 1977.0", "same": false}
+{"productA": "title: software as a service : asp and asp aggregation. authors: nan. venue: nan. year: 2002", "productB": "title: software and documentation. authors: v basic. venue: microsoft corp ,. year: nan", "same": false}
+{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: w li , c clifton. venue: vldb. year: 1994", "productB": "title: integration of heterogeneous databases without common domains using queries based on textual. authors: ww cohen. venue: sigmod conference ,. year: 1998.0", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: architecture and design of the eks deductive database system. authors: p bayer , a lefebvre , l vieille. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: optimizing multidimensional index trees for main memory access. authors: k kim , s cha , k kwon. venue: sigmod conference. year: 2001", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: w liang , me orlowska , jx yu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: vldb. year: 2003", "productB": "title: optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu , a. venue: proc . of sigmod , san diego ,. year: nan", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: semantic query optimization in datalog programs. authors: ay levy , y sagiv. venue: nan. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: relational databases for querying xml documents : limitations and opportunities . 25th intl. authors: j shanmugasundaram\u00e2 ? \u00a6. venue: conf . on vldb ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: transaction management in an object-oriented database system , acm sigmod int. authors: j garza , w kim. venue: conf . on management of data , chicago , illinois ,. year: nan", "same": false}
+{"productA": "title: multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb. year: 1999", "productB": "title: d. dewitt \u00e2 ?? equidepth histograms for estimating selectivity factors for multi-dimensional queries ,. authors: m muralikrishna. venue: proceedings of the acm sigmod conference , pp ,. year: nan", "same": false}
+{"productA": "title: a performance evaluation of oid mapping techniques. authors: a eickler , c gerlhof , d kossmann. venue: vldb. year: 1995", "productB": "title: performance evaluation of an event-driven simulation machine. authors: f hirose. venue: proc . of 29th design automation conference ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: performance analysis of a relational data base management system. authors: p hawthorn , m stonebraker. venue: proceedings of the 1979 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: the theory of joins in relational databases. authors: av ah , c beeri , jd ullman. venue: acm transactions on database systems ,. year: 1979.0", "same": false}
+{"productA": "title: dynamic update cube for range-sum queries. authors: s chun , c chung , j lee , s lee. venue: vldb. year: 2001", "productB": "title: range queries in dynamic olap data cubes. authors: w liang , h wang , me orlowska. venue: data & knowledge engineering ,. year: 2000.0", "same": false}
+{"productA": "title: the lham log-structured history data access method. authors: p muth , p o'neil , a pick , g weikum. venue: vldb j.. year: 2000", "productB": "title: design , implementation , and performance of the lham log-structured history data access method. authors: p muth , a pick , g weikum. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: database research at the university of oklahoma. authors: l gruenwald , l brown , r dirckze , s guinepain , c s\u0441nchez , b summers , s vanichayobon. venue: sigmod record. year: 1999", "productB": "title: database research activities at the university of wisconsin. authors: h boral , dj dewitt , rh katz , a klug. venue: acm sigmod record ,. year: 1982.0", "same": false}
+{"productA": "title: view management in multimedia databases. authors: k candan , e lemar , v subrahmanian. venue: vldb j.. year: 2000", "productB": "title: multimedia database management systems. authors: g lu. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: query flocks : a generalization of association-rule mining. authors: s tsur , j ullman , s abiteboul , c clifton , r motwani , s nestorov , a rosenthal. venue: sigmod conference. year: 1998", "productB": "title: fp-tax : tree structure based generalized association rule mining. authors: i pramudiono , m kitsuregawa. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization for selections using bitmaps. authors: m wu. venue: sigmod conference. year: 1999", "productB": "title: query optimization for an xml query language. authors: j mchugh , j widom. venue: proc . sigmod conf ,. year: nan", "same": false}
+{"productA": "title: querying multiple features of groups in relational databases. authors: d chatziantoniou , k ross. venue: vldb. year: 1996", "productB": "title: jd the theory of joins in relational databases. authors: av aho , c beam , n ull. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: optimizing the secure evaluation of twig queries. authors: sr cho , s amer-yahia , lvs lakshmanan , d srivastava. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial : schools and universities\u00e2 ?? the great divide. authors: a goudie. venue: geography ,. year: nan", "same": false}
+{"productA": "title: efficient optimistic concurrency control using loosely synchronized clocks. authors: a adya , r gruber , b liskov , u maheshwari. venue: sigmod conference. year: 1995", "productB": "title: lazy consistency using loosely synchronized clocks. authors: a adya , b liskov. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: simple dimensionality reduction technique for fast similarity search in large time series databases. authors: ej keogh , mj pazzani. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: event specification in an object-oriented database. authors: nh gehani , hv jagadish , o shmueli. venue: proceedings international conference on management of. year: nan", "same": false}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialized views in data warehouses. authors: dw quass. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: dbminer : interactive mining of multiple-level knowledge in relational databases. authors: j han , y fu , w wang , j chiang , o za\u044fane , k koperski. venue: sigmod conference. year: 1996", "productB": "title: querying multiple features of groups in relational databases. authors: d chatziantoniou , ka ross. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: implementation and analysis of a parallel collection query language. authors: d suciu. venue: vldb. year: 1996", "productB": "title: comparative analysis of five xml query languages .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization of nested queries revisited. authors: ra ganski , hkt wong. venue: proceedings of acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: query processing in a distributed relational database system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2001", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: a fast index for semistructured data. authors: b cooper , n sample , m franklin , g hjaltason , m shadmon. venue: vldb. year: 2001", "productB": "title: an index structure for high-dimensional data. authors: s berchtold , da keim , hp kriegel. venue: procs . of the 22nd vldb conference ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: lore : a database management system for semistructured data. authors: s abiteboul , j mchugh , d quass , j widom , r goldman. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: modelling and querying video data. authors: r hjelsvold , r midtstraum. venue: vldb. year: 1994", "productB": "title: an approach for video metadata modeling and query processing. authors: ak wasfi , g arif. venue: proceedings of acm multimedia ,. year: nan", "same": false}
+{"productA": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: sigmod conference. year: 2001", "productB": "title: selectivity estimation for fuzzy string predicates in large data sets. authors: l jin , c li. venue: nan. year: nan", "same": false}
+{"productA": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: vldb j.. year: 1998", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining generalized association rules with fuzzy taxonomic structures. authors: q wei , g chen. venue: fuzzy information processing society , 1999 . nafips . 18th & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: efficiency of nesting relational document database systems. authors: j zobel , ja thom , r sacks-davis. venue: nan. year: nan", "same": false}
+{"productA": "title: cache portal : technology for accelerating database-driven e-commerce web sites. authors: w li , k candan , w hsiung , o po , d agrawal , q luo , w huang , y akca , c yilmaz. venue: vldb. year: 2001", "productB": "title: enabling dynamic content caching for database-driven web sites. authors: k selcuk , ws li , q luoand , wp hsiung , d agrawal. venue: acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: an interactive query language for external data bases. authors: fh lochovsky , d tsichritzis. venue: vldb ,. year: 1982.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: implementing a scalable xml publish/subscribe system using a relational database system. authors: f tian. venue: proceedings of the 2004 acm-sigmod. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2001", "productB": "title: editor 's notes. authors: wmk trochim. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: promises and realities of active database systems. authors: e simon , a kotz-dittrich. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: explaining differences in multidimensional aggregates. authors: s sarawagi. venue: vldb. year: 1999", "productB": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: introduction to object-oriented databases. authors: w kim. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: event-join optimization in temporal relational databases. authors: a segev , h gunadhi. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: vqbd : exploring semistructured data. authors: ss chawathe , t baby , j yeo. venue: nan. year: nan", "same": false}
+{"productA": "title: real business processing meets the web. authors: j chong. venue: sigmod conference. year: 1998", "productB": "title: extending the reach of business processes. authors: d chakraborty , h lei. venue: nan. year: nan", "same": false}
+{"productA": "title: database research at nthu and itri. authors: a chen. venue: sigmod record. year: 1994", "productB": "title: database research at ut arlington ( itlab @ cse . uta ). authors: s chakravarthy , a aslandogan , r elmasri , l fegaras. venue: sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: act-net - the active database management system manifesto : a rulebase of adbms features. authors: nan. venue: sigmod record. year: 1996", "productB": "title: the architecture of an act , ve data base management system. authors: dr mccarthy , u dayal. venue: proceedings of the acm sigmod conference ( portland , or , may. year: nan", "same": false}
+{"productA": "title: lineage tracing for general data warehouse transformations. authors: y cui , j widom. venue: vldb j.. year: 2003", "productB": "title: data warehouse design and maintenance through schema transformations. authors: a marotta. venue: nan. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: c. , dewitt , d. , & naughton , j. ( 1999 ) relational databases for querying xml documents : limitations. authors: jt shanmugasundaram , k he , g zhang. venue: proceedings of the 25th vldb conference . http://www . cs .. year: nan", "same": false}
+{"productA": "title: wavelet-based histograms for selectivity estimation. authors: y matias , j vitter , m wang. venue: sigmod conference. year: 1998", "productB": "title: clustering moving objects for spatio-temporal selectivity estimation. authors: q zhang , x lin. venue: nan. year: nan", "same": false}
+{"productA": "title: the piazza peer data management project. authors: i tatarinov , z ives , j madhavan , a halevy , d suciu , n dalvi , x dong , y kadiyska , g miklau , p mork. venue: sigmod record. year: 2003", "productB": "title: the data management facilities of plain. authors: ai wasserman. venue: proceedings of the 1979 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: vldb j.. year: 1998", "productB": "title: iteration and abstract data types. authors: jd eckart. venue: acm sigplan notices ,. year: 1987.0", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: high-dimensional index structures , proc. authors: s berchtold , da keim. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: validation algorithms for pointer values in dbtg databases. authors: bp da thomas , rj buhr. venue: acm transactions on database systems ,. year: 1977.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: nulls in relational databases : revised. authors: r kocharekar. venue: acm sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: processing complex aggregate queries over data streams. authors: a dobra , m garofalakis , j gehrke , r rastogi. venue: sigmod conference. year: 2002", "productB": "title: multiple aggregations over data streams. authors: r zhang , n koudas , bc ooi , d srivastava. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: storage reclamation in object-oriented database systems. authors: mh butler. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: solving satisfiability and implication problems in database systems. authors: s guo , w sun , m weiss. venue: acm trans . database syst .. year: 1996", "productB": "title: solving propositional satisfiability problems. authors: rg jeroslow , j wang. venue: annals of mathematics and artificial intelligence ,. year: 1990.0", "same": false}
+{"productA": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: b bhattacharjee , s padmanabhan , t malkemus , t lai , l cranston , m huras. venue: vldb. year: 2003", "productB": "title: generalized multi-dimensional data mapping and query processing. authors: r zhang , p kalnis , bc ooi , kl tan. venue: acm transactions on database systems ,. year: 2005.0", "same": false}
+{"productA": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record. year: 2000", "productB": "title: complete geometrical query languages. authors: m gyssens , j van den bussche , d van gucht. venue: nan. year: nan", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: vqbd : exploring semistructured data. authors: ss chawathe , t baby , j yeo. venue: nan. year: nan", "same": false}
+{"productA": "title: dynamic buffer allocation in video-on-demand systems. authors: s lee , k whang , y moon , i song. venue: sigmod conference. year: 2001", "productB": "title: scheduling video programs in near video-on-demand systems. authors: el abram-profeta , kg shin. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query optimization in the presence of limited access patterns. authors: a levy , i manolesu , d suciu , d florescu. venue: proc . of acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: rainbow : distributed database system for classroom education and experimental research. authors: a helal , h li. venue: vldb. year: 2000", "productB": "title: introduction to a system for distributed databases. authors: jb rothnie , pa bernstein , sa fox , n goodman , mm. venue: acm trans . on database systems ,. year: nan", "same": false}
+{"productA": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record. year: 1998", "productB": "title: automated selection of materialized views and indexes for sql databases. authors: sascv narasayya. venue: nan. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: the cedar database management system. authors: m brown\u00e2 ? \u00a6. venue: proc . 1981 acmsigmod conference on management of data , ann & hellip ; ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: ranksql : supporting ranking queries in relational database management systems. authors: c li , ma soliman , kcc chang , if ilyas. venue: vldb , demonstration ,. year: 2005.0", "same": false}
+{"productA": "title: influencing database language standards. authors: l gallagher. venue: sigmod record. year: 1994", "productB": "title: the database language gem. authors: c zaniolo. venue: proceedings of the 1983 acm sigmod international conference & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: a scalable and highly available networked database architecture. authors: r bamford , r ahad , a pruscino. venue: vldb. year: 1999", "productB": "title: a scalable architecture for autonomous heterogeneous database interactions. authors: s milliner , a bouguettaya , mp papazoglou. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: title. authors: nan. venue: nan. year: 1995", "productB": "title: title :. authors: ra norris. venue: nan. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: e braunwald. venue: nan. year: nan", "same": false}
+{"productA": "title: icicles : self-tuning samples for approximate query answering. authors: v ganti , m lee , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: the aqua approximate query answering system. authors: s acharya , pb gibbons , v poosala , s ramaswamy. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: query processingfor distance metrics. authors: tl wang , d shasha. venue: proc . of 16th vldb. year: nan", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: mixed concurrency control : dealing with heterogeneity in distributed database systems. authors: jf pons , jf vilarem. venue: vldb ,. year: 1988.0", "same": false}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: efficient view maintenanceat data warehouse. authors: d agrawal , a el abbadi , a singh , t yurek. venue: proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: multi-dimensional regression analysis of time-series data streams. authors: y chen , g dong , j han , b wah , j wang. venue: vldb. year: 2002", "productB": "title: analysis and validation of continuous queries over data streams. authors: q jiang , s chakravarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: oz + : an object-oriented database system. authors: sp weiser , fh lochovsky. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: multimedia database management systems. authors: b prabhakaran. venue: nan. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: active database systems ( tutorial notes ). authors: kr dittrich , u dayal. venue: & hellip ; seventeenth international conference on very large databases & hellip ; ,. year: nan", "same": false}
+{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: j yang , k karlapalem , q li. venue: vldb. year: 1997", "productB": "title: tracing the lineage of vlew data in a warehousing environment. authors: y cui , j widom , jl wiener. venue: technical report , stanford university database group , november. year: nan", "same": false}
+{"productA": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , m b\u0456hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: logical design for temporal databases with multiple. authors: xs wang , c bettini , s jajodia. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: codasyl data-base management systems. authors: rw taylor , rl frank. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: keynote address. authors: nan. venue: nan. year: 1995", "productB": "title: keynote address .. authors: jr moore. venue: j audiov media med ,. year: 1978.0", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: a fast distributed algorithm for mining association rules. authors: dw cheung , j han , vt ng , aw fu , y fu. venue: proceedings of the fourth international conference on on & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: free parallel data mining. authors: b li , d shasha. venue: sigmod conference. year: 1998", "productB": "title: data mining. authors: p adriaans , d zantinge. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: semantic b2b integration : issues in ontology-based applications. authors: z cui , d jones , p o'brien. venue: sigmod record. year: 2002", "productB": "title: ontology-based approach for application integration. authors: s izza , l vincent , p burlat. venue: nan. year: nan", "same": false}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: intelligent integration ofinformation. authors: g wiederhold. venue: & hellip ; the acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: r. agrawal mining quantitative association rules in large relational tables. authors: r srikant. venue: proc . 1996 . i c. \\ \\ i-sig . \\ \\ iod int . c &#39; on f. . \\ \\ lanagernent of. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining association rules between sets ofitems in large databases. authors: r agrawal , t imielinski , a swami. venue: conference on management of data . washington ,. year: nan", "same": false}
+{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: n huyn. venue: vldb. year: 1997", "productB": "title: efficient incremental view maintenance in data warehouses. authors: ky lee , jh son , mh kim. venue: nan. year: nan", "same": false}
+{"productA": "title: a case for dynamic view management. authors: y kotidis , n roussopoulos. venue: acm trans . database syst .. year: 2001", "productB": "title: the dynamic nature of msw management. authors: m fehr. venue: journal of environmental systems ,. year: 1999.0", "same": false}
+{"productA": "title: the lowell report. authors: j gray , h schek , m stonebraker , j ullman. venue: sigmod conference. year: 2003", "productB": "title: tods report. authors: r snodgrass. venue: acm sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient mid-query reoptimization. authors: n kabra , j dewitt. venue: proc . sigmod ,. year: nan", "same": false}
+{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , e rundensteiner. venue: sigmod conference. year: 2001", "productB": "title: view maintenance in a warehouse environment. authors: y zhuge , h garcia-molina , jl wiener. venue: acm sigmod int . conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: mining generalized association rules in large relational tables. authors: r sirkant , r agrawal. venue: proc . of acm sigmod conf . on management data ,. year: nan", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: event specification in an object-oriented database system. authors: nh gehani , hv jagadish , o shmueli. venue: proc . acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein , d kamber. venue: vldb. year: 1995", "productB": "title: spatial query processing in an object-oriented database system. authors: ja orenstein. venue: proceedings of the 1986 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: fuzzy association rules in large databases with quantitative attributes. authors: cm kuok , a fu , mh wong. venue: acm sigmod records , march ,. year: nan", "same": false}
+{"productA": "title: security of random data perturbation methods. authors: k muralidhar , r sarathy. venue: acm trans . database syst .. year: 1999", "productB": "title: a general additive data perturbation method for database security. authors: k muralidhar , r parsa , r sarathy. venue: management science ,. year: 1999.0", "same": false}
+{"productA": "title: tail recursion elimination in deductive databases. authors: k ross. venue: acm trans . database syst .. year: 1996", "productB": "title: spatial deductive database. authors: y zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: predicate migration : optimizing queries with expensive predicates. authors: jm hellerstein. venue: nan. year: nan", "same": false}
+{"productA": "title: multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb. year: 1999", "productB": "title: dewitt . equi-depthhistogramsfor estimating selectivity factors for multi-dimensional queries. authors: m muralikrishnaandd. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: online dynamic reordering. authors: v raman , b raman , j hellerstein. venue: vldb j.. year: 2000", "productB": "title: passive dynamic running. authors: mh raibert , cm thompson. venue: experimental robotics i ,. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: an introduction to spatial databases. authors: a guting. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: eic editorial. authors: ps yu. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: unix rdbms : the next generation. authors: b rosneblatt. venue: sigmod record. year: 1994", "productB": "title: public key infrastructures\u00e2 ?? the next generation. authors: kp bosworth , n tedeschi. venue: bt technology journal ,. year: 2001.0", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: materialized view selection for multidimensional database. authors: a shukla , p deshpande. venue: proceedings of 24 international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query processing techniques for arrays. authors: a marathe , k salem. venue: vldb j.. year: 2002", "productB": "title: query execution techniques for caching expensive predicates. authors: jm hellerstein , j naughton. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: electronic commerce : tutorial. authors: n adam , y yesha. venue: sigmod conference. year: 1998", "productB": "title: electronic commerce recommender applications .. authors: j ben schafer , j konstan , j riedl. venue: journal of data mining and knowledge discovery ,. year: nan", "same": false}
+{"productA": "title: semantic b2b integration. authors: nan. venue: nan. year: 2001", "productB": "title: a method of integration. authors: g mahoux , ml mehta. venue: j phys . i france ,. year: 1991.0", "same": false}
+{"productA": "title: distributed processing over stand-alone systems and applications. authors: g alonso , c hagen , h schek , m tresch. venue: vldb. year: 1997", "productB": "title: design of monitoring system for distributed applications. authors: ck chang , lf wong. venue: information and software technology ,. year: 1989.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: supporting incremental join queries on ranked inputs. authors: anyc chang , jr smith , csljs vitter. venue: nan. year: nan", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: logical time in distributed computing systems. authors: cj fidge. venue: nan. year: nan", "same": false}
+{"productA": "title: the merge/purge problem for large databases. authors: m hern\u0441ndez , s stolfo. venue: sigmod conference. year: 1995", "productB": "title: using large data bases for interactive problem solving. authors: ed carlson. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: stream : the stanford stream data manager. authors: a arasu , b babcock , s babu , m datar , k ito , i nishizawa , j rosenstein , j widom. venue: sigmod conference. year: 2003", "productB": "title: load shedding in a data stream manager. authors: m cherniack , cu zs , n tatbul. venue: proc of 29th international conference on vldb , september ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction. authors: n verloop. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: some issues in design of distributed deductive databases. authors: m mohania , n sarda. venue: vldb. year: 1994", "productB": "title: towards an inductive design of distributed object oriented databases. authors: fa baiao , m mattoso , g zaverucha. venue: nan. year: nan", "same": false}
+{"productA": "title: a scalable algorithm for answering queries using views. authors: r pottinger , a levy. venue: vldb. year: 2000", "productB": "title: answering queries using views. authors: ay levy , ao mendelzon , y sagiv , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: source international conference on management of data archive. authors: u dayal. venue: proceedings of the 1987 acm sigmod international conference & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: mining long sequential patterns in a noisy environment. authors: j yang , w wang , p yu , j han. venue: sigmod conference. year: 2002", "productB": "title: mining sequential patterns by pattern-growth : the prefixspan approach. authors: b mortazavi-asl , j wang , h pinto , q chen. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: abbadi : , ae , storage and retrieval of moving objects. authors: hd chon , d agrawal. venue: ieee intl. conf . on mobile data management ( mdm ) ,. year: nan", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: the distributed deadlock detection algorithm. authors: dz badal. venue: acm transactions on computer systems ,. year: 1986.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: aurora : a data stream management system. authors: dj abadi , d carney , u cetintemel , m cherniack , c. venue: nan. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: a system level concurrency control for distributed database systems. authors: dj rozenkrantz , re stearns , pm lewis. venue: acm trans on database systems ,. year: nan", "same": false}
+{"productA": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: vldb. year: 1995", "productB": "title: querying logical databases. authors: my vardi. venue: proceedings of the fourth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: a new sql-like operator for data mining association rules. authors: r meo , g psaila , s ceri. venue: proceedings of the 22nd vldb conference , bombay , indien ,. year: nan", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: strudel web-site management system user\u00e2 ?? s guide version 0.8. authors: m fernandez , d florescu , a levy , d suciu , j kang ,. venue: at & t laboratories , usa , oktober ,. year: nan", "same": false}
+{"productA": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: sigmod conference. year: 2001", "productB": "title: selectivity estimation of complex spatial queries. authors: n mamoulis , d papadias. venue: nan. year: nan", "same": false}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: shared-nothing paralel database systems. authors: m manish , d dewitt. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: the history of histograms ( abridged ). authors: y ioannidis. venue: vldb. year: 2003", "productB": "title: the history of fortran. authors: j backus. venue: history of programming languages ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: features of the orion object-oriented database system. authors: w kim , n ballou , ht chou , jf garza , d woelk. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: integrating modelling systems for environmental management information systems. authors: d abel , k taylor , d kuo. venue: sigmod record. year: 1997", "productB": "title: integration of geographic information systems and simulation model for watershed management. authors: c he. venue: environmental modelling & software ,. year: 2003.0", "same": false}
+{"productA": "title: efficient ir-style keyword search over relational databases. authors: v hristidis , l gravano , y papakonstantinou. venue: vldb. year: 2003", "productB": "title: discover : keyword search in relational databases in proceedings of the international conference on. authors: v hristidis , y papakonstantinou. venue: hang kong , china ,. year: nan", "same": false}
+{"productA": "title: apex : an adaptive path index for xml data. authors: c chung , j min , k shim. venue: sigmod conference. year: 2002", "productB": "title: d ( k ) - index : an adaptive structural summary for graph-structured data. authors: q chen , a lim , kw ong. venue: proc . of the 2003 acm sigmod intl. conf . on management of & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: irisnet : internet-scale resource-intensive sensor services. authors: a deshpande , s nath , p gibbons , s seshan. venue: sigmod conference. year: 2003", "productB": "title: irisnet : an architecture for compute-intensive wide-area sensor network services. authors: s nath , a deshpande , y ke , pb gibbons , b karp , s. venue: nan. year: nan", "same": false}
+{"productA": "title: tavant system architecture for sell-side channel management. authors: s narayanan , s subramanian. venue: vldb. year: 2001", "productB": "title: the architecture of an active data base management system. authors: dr mccarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: eddies : continuously adaptive query processing. authors: r avnur , j hellerstein. venue: sigmod conference. year: 2000", "productB": "title: a dynamically adaptive distributed system for processing complex continuous queries. authors: b liu , y zhu , m jbantova , b momberger , ea. venue: proceedings of vldb demo session , page to appear ,. year: 2005.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: efficiently mining long patterns from datasets. authors: rj bayardo. venue: proc . acm sigmod , int\u00e2 ?? l conf . management of data ,. year: nan", "same": false}
+{"productA": "title: caching technologies for web applications. authors: c mohan. venue: vldb. year: 2001", "productB": "title: tapping mode imaging applications and technology. authors: cb prater , pg maivald. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: wmxml : a system for watermarking xml data. authors: x zhou , hh pang , kl tan , d mangla. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query optimization in a heterogeneous dbms. authors: w du , r krishnamurthy , mc shan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: efficiently monitoring relational databases. authors: op buneman , ek clemons. venue: acm transactions on database systems ( tods ) ,. year: 1979.0", "same": false}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb. year: 2000", "productB": "title: generating relations from xml documents. authors: s cohen , y kanza , y sagiv. venue: lecture notes in computer science ,. year: 2003.0", "same": false}
+{"productA": "title: web caching for database applications with oracle web cache. authors: j anton , l jacobs , x liu , j parker , z zeng , t zhong. venue: sigmod conference. year: 2002", "productB": "title: prefetching in realtime database applications. authors: h wedekind , g zoerntlein. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: self-adaptive , on-line reclustering of complex object data. authors: w jr. , r king. venue: sigmod conference. year: 1994", "productB": "title: effective clustering of complex objects in oo databases. authors: j bing , r cheng , ar hurson. venue: proc . acm sigmod conf. ,. year: nan", "same": false}
+{"productA": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: sigmod record. year: 1997", "productB": "title: next generation structure of management information for the internet. authors: j schoenwaelder , f strauss. venue: lecture notes in computer science ,. year: 1999.0", "same": false}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: answering queries with aggregation using views. authors: d srivastava , s dar , hv jagadish , ay levy. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: the need for distributed asynchronous transactions. authors: l do , p ram , p drew. venue: sigmod conference. year: 1999", "productB": "title: synchronization in nested transactions. authors: rf resende. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: query evaluation in deductive databases with alternating fixpoint semantics. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: query processing in deductive databases with incomplete information. authors: t imielinski. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: numerical database management system : a model. authors: ooa daini. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: h simon. venue: public administration review ,. year: 1995.0", "same": false}
+{"productA": "title: active storage for large-scale data mining and multimedia. authors: e riedel , g gibson , c faloutsos. venue: vldb. year: 1998", "productB": "title: active network file system for data mining and multimedia. authors: sh srinivasan , p singh. venue: proceedings of the 15th international conference on computer & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: report on the first international workshop an efficient web-based information systems. authors: nan. venue: nan. year: 2003", "productB": "title: analysis and design of web-based information systems. authors: k takahashi , e liang. venue: www6 / computer networks ,. year: 1997.0", "same": false}
+{"productA": "title: automation in information extraction and data integration. authors: nan. venue: nan. year: 2002", "productB": "title: information systems design approach integrating data and transactions. authors: , bt luong. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: research directions in distributed systems. authors: pf mckee , iw marshall , id henning. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: s ceri , p fraternali , s paraboschi. venue: vldb. year: 1999", "productB": "title: caching strategies for data-intensive web sites. authors: d florescu. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: nan. venue: nan. year: 2003", "productB": "title: report on the first ieee international workshop on networking meets databases ( netdb\u00e2 ?? 05 ). authors: c shahabi , r govindan , k aberer. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: secure buffering in firm real-time database systems. authors: b george , jr haritsa. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference. year: 1999", "productB": "title: a performance evaluation of four join algorithms in a shared-nothing multiprocessor environment. authors: da schneider , dj dewitt. venue: proceedings of the acm sigmod conference , portland , or , june ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction : heterogeneous processing. authors: rf freund , hj siegel. venue: computer ,. year: 1993.0", "same": false}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: enabling dynamic content caching for database-driven web sites. authors: k selcuk , ws li , q luoand , wp hsiung , d agrawal. venue: acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1999", "productB": "title: reminiscences on influential papers. authors: e bertino. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: ontology-based approach for application integration. authors: s izza , l vincent , p burlat. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: distributed management in local area networks. authors: tw page jr , gj popek. venue: proceedings of the fourth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: research directions in biodiversity and ecosystem informatics. authors: d maier , e landis , j cushing , a frondorf , a. venue: nan. year: nan", "same": false}
+{"productA": "title: open issues in parallel query optimization. authors: w hasan , d florescu , p valduriez. venue: sigmod record. year: 1996", "productB": "title: rate-based query optimization. authors: s viglas , j naughton. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: a new algorithm for faster mining of generalized association rules. authors: j hipp , a myka , r wirth. venue: nan. year: nan", "same": false}
+{"productA": "title: optimal clip ordering for multi-clip queries. authors: r ng , p shum. venue: vldb j.. year: 1998", "productB": "title: query optimization : reordering for a general class of queries. authors: p goel , b iyer. venue: acm sigmod intl. conf . on management of data. year: nan", "same": false}
+{"productA": "title: rainbow : multi-xquery optimization using materialized xml views. authors: x zhang , k dimitrova , l wang , m el-sayed , b murphy , b pielech , m mulchandani , l ding , e rundensteiner. venue: sigmod conference. year: 2003", "productB": "title: answering sql queries using materialized views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: proc . 22nd international conference on very large data bases & hellip ; ,. year: nan", "same": false}
+{"productA": "title: efficient testing of high performance transaction processing systems. authors: d wildfogel , r yerneni. venue: vldb. year: 1997", "productB": "title: control and coordination of heterogeneous transaction processing systems. authors: r bose , sd burd. venue: information and software technology ,. year: 1997.0", "same": false}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: storage reclamation in object-oriented database systems. authors: mh butler. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: spatial query processmg m an object-oriented database system. authors: ja orenstem. venue: proc acm sigmod int\u00e2 ?? l conf on the management of data ,. year: nan", "same": false}
+{"productA": "title: keynote address. authors: nan. venue: nan. year: 1995", "productB": "title: a keynote address. authors: pe deegan. venue: the sixth annual mental health services conference of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: vqbd : exploring semistructured data. authors: s chawathe , t baby , j yeo. venue: sigmod conference. year: 2001", "productB": "title: a parallel index for semistructured data. authors: b cooper , n sample , m shadmon. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: doodle : a visual language for object-oriented databases. authors: if cruz. venue: nan. year: nan", "same": false}
+{"productA": "title: belief reasoning in mls deductive databases. authors: h jamil. venue: sigmod conference. year: 1999", "productB": "title: reactive consistency control in deductive databases. authors: pc lockemann , g moerkotte. venue: acm. year: nan", "same": false}
+{"productA": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record. year: 2002", "productB": "title: the ecrc multi database system. authors: w jonker , h sch\u00e3 1/4 tz. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: language features for interoperability of databases with schematic discrepancies. authors: r krishnamurthy , w litwin , w kent. venue: proceedings of the 1991 acm sigmod international conference & hellip ; ,. year: 1991.0", "same": false}
+{"productA": "title: analysis of predictive spatio-temporal queries. authors: y tao , j sun , d papadias. venue: acm trans . database syst .. year: 2003", "productB": "title: an extensible database system for spatio-temporal queries. authors: c chen , h wang , c zaniolo. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: integrated data management for mobile services in the real world. authors: c hage , c jensen , t pedersen , l speicys , i timko. venue: vldb. year: 2003", "productB": "title: data management for mobile computing. authors: t imielinski , br badrinath. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: j yang , k karlapalem , q li. venue: vldb. year: 1997", "productB": "title: a framework for designing materialized views in data warehousing environment. authors: j yang , k karlapalem , q li. venue: nan. year: nan", "same": false}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: synergistic authorization in database systems. authors: nh minsky. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: an evaluation of buffer replacement strategies for relational database systems. authors: h chou , d dewitt. venue: proc . llth international conf . on vldb ,. year: nan", "same": false}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: an approximate search engine for structural databases. authors: t jason , l wang , x wang , d shasha , ba shapiro , k. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: towards self-tuning data placement in parallel database systems. authors: m lee , m kitsuregawa , b ooi , k tan , a mondal. venue: sigmod conference. year: 2000", "productB": "title: an adaptive data placement scheme for parallel database computer systems. authors: ka hua , c lee. venue: vldb ,. year: 1990.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: rc holte. venue: machine learning ,. year: 2001.0", "same": false}
+{"productA": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1994", "productB": "title: widom . deriving production rules forincremental view maintenance. authors: s ceri andj. venue: proc . of vldb ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: a generalized model for a ternporal relational database. authors: s gadia , c yeung. venue: proceedings of a cm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: set-oriented production rules in relational databases. authors: j widom , s finkelstein. venue: proc . of the acm sigmod conference on management of data ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: query processmg ma relauonal database management system. authors: k youssefi , e wong. venue: proceedmgs of 1979 vldb conference ,. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: object and rle management m the exodus extensible database system. authors: cmj carey , dj dewltt , je i & ha & on , ej shelata. venue: proceedmgs of 1986 vldb conference ,. year: nan", "same": false}
+{"productA": "title: an algebraic approach to static analysis of active database rules. authors: e baralis , j widom. venue: acm trans . database syst .. year: 2000", "productB": "title: an algebraic approach to rule analysis in expert database systems. authors: e bar & s , j widom. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: process synchronization in database systems. authors: g schlageter. venue: acm transactions on database systems ,. year: 1978.0", "same": false}
+{"productA": "title: proceedings of the 2000 acm sigmod international conference on management of data , may 16-18 , 2000 , dallas , texas , usa. authors: nan. venue: nan. year: 2000", "productB": "title: source international conference on management of data archive. authors: rt snodgrass , m winslett. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: spatial data management for computer aided design. authors: h kriegel , a m\u045cller , m p\u0456tke , t seidl. venue: sigmod conference. year: 2001", "productB": "title: data management for peer-to-peer computing : a vision. authors: a kementsietsidis , j mylopoulos , l serafini , i. venue: acm sigmod webdb workshop &#39; 02 ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: the mirror mmdbms architecture. authors: a vries , m doorn , h blanken , p apers. venue: vldb. year: 1999", "productB": "title: the multiscalar architecture. authors: m franklin. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: an effective algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: proceedings of 21st international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: proceedings of the 2003 acm sigmod international conference on management of data , san diego , california , usa , june 9-12 , 2003. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: c zaniolo. venue: proceedings of the 1986 acm sigmod international conference & hellip ; ,. year: 1986.0", "same": false}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: guest editor 's introduction : media spaces. authors: g singh. venue: nan. year: nan", "same": false}
+{"productA": "title: copy detection mechanisms for digital documents. authors: s brin , j davis , h garcia-molina. venue: sigmod conference. year: 1995", "productB": "title: copy detection systems for digital documents. authors: rd smith. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editorial. authors: aw czarnik. venue: acc . chem . res ,. year: nan", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: extensible query processing in starburst. authors: lm haas , jc freytag , gm lohman , h pirahesh. venue: nan. year: nan", "same": false}
+{"productA": "title: data mining techniques. authors: j han. venue: sigmod conference. year: 1996", "productB": "title: data mining on large graphs. authors: c palmer , p gibbons , c faloutsos. venue: proc . acm intl. conf . on sigkdd ,. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: applying update streams in a soft real-time database system. authors: b adelberg , h garcia-molina , b kao. venue: sigmod conference ,. year: 1995.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: algorithms for mining distance-based outliers in large datasets. authors: em knox , rt ng. venue: nan. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a design methodology for object oriented database. authors: c cauvet , c roland , c proix. venue: international conference on management of data , hyderabad , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: distributed query evaluation on semistructured data. authors: d suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: managing and querying changes in semi-structured data. authors: s chawathe , s abiteboul , j widom. venue: proceedings of acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in dynamic olap data cubes. authors: w liang , h wang , me orlowska. venue: data & knowledge engineering ,. year: 2000.0", "same": false}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: cost evaluation of directory management schemes for distributed database systems. authors: y matsushita , h yamazaki , s hikita , i yoshida. venue: proceedings of the 1980 acm sigmod international conference & hellip ; ,. year: 1980.0", "same": false}
+{"productA": "title: understanding the semantics of sensor data. authors: m mani. venue: sigmod record. year: 2003", "productB": "title: understanding the global semantics of referential actions using logic rules. authors: w may , b ludascher. venue: acm transactions on database systems ,. year: 2002.0", "same": false}
+{"productA": "title: integration approaches for cim. authors: nan. venue: nan. year: 1995", "productB": "title: integration fever. authors: m kennedy. venue: computerworld ,. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 1999", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: distributed multimedia database systems supported by mpeg-7 and mpeg-21. authors: h kosch. venue: nan. year: 2004.0", "same": false}
+{"productA": "title: efficiently instantiating view-objects from remote relational databases. authors: b lee , g wiederhold. venue: vldb j.. year: 1994", "productB": "title: efficiently publishing xml views of relational databases. authors: j shanmugasundaram , e shekita , r barr. venue: proc . of vldb ,. year: nan", "same": false}
+{"productA": "title: the treescape system : reuse of pre-computed aggregates over irregular olap hierarchies. authors: t pedersen , c jensen , c dyreson. venue: vldb. year: 2000", "productB": "title: pre-aggregation for irregular olap hierarchies with the treescape system. authors: tb pedersen , cs jensen , ce dyreson. venue: nan. year: nan", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: storing and querying xml documents using a path table in relational databases. authors: bj shin , m jin. venue: nan. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: spatial deductive database. authors: y zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: implementation of a time expert in a database system. authors: r overmyer , m stonebraker. venue: acm sigmod record ,. year: 1982.0", "same": false}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: conceptual framework and architecture for service mediating workflow management. authors: j hu , p grefen. venue: information and software technology ,. year: 2003.0", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: queries and updates in the codb p2p database system. authors: e franconi , g kuper , a lopatenko , i zaihrayeu. venue: nan. year: 2004.0", "same": false}
+{"productA": "title: a graphical query language for mobile information systems. authors: y chang. venue: sigmod record. year: 2003", "productB": "title: miqis : modular integration of queryable information systems. authors: cm wyss , ghl fletcher , f erdinc , jt engle. venue: nan. year: nan", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: storing semistructured data with stored. authors: admfd suciu. venue: proc of the acm sigmod international conference on & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: integrity maintenance in an object-oriented database. authors: hv jagadish , x qian. venue: proceedings of the international conference on very large & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: vldb j.. year: 2002", "productB": "title: an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: proceedings of the 23rd international conference on very. year: nan", "same": false}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: web services architecture. authors: k mockford. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2003", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: xquery : a query language for xml. authors: nan. venue: nan. year: 2003", "productB": "title: xquery 1.0 : an xml query language. authors: s boag , d chamberlin , mf fernandez , d florescu , j. venue: w3c working draft ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient clustering for large database. authors: s guha , r rastogi , k shim. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: an effective boolean algorithm for mining association rules in large databases. authors: sy wur , y leu. venue: nan. year: nan", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: disima : a distributed and interoperable image database system. authors: v oria , mt \u00e3?zsu , pj iglinski , s lin , b yao. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: de-vise : integrated querying and visualization of large datasets. authors: m livny , r ramakrishnan , ks beyer , g chen , d. venue: proc acm sigmod intl conf on management of. year: nan", "same": false}
+{"productA": "title: exploiting statistics on query expressions for optimization. authors: n bruno , s chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: subquery rewriting for optimization of sql queries. authors: b cao , a badia. venue: submitted for. year: nan", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: concurrency control in database systems : a step towards the integration of optimistic methods and. authors: g lausen. venue: proceedings of the. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: programming versus databases in the object-oriented paradigm. authors: s demurjian. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: query optimization for selections using bitmaps. authors: m wu. venue: sigmod conference. year: 1999", "productB": "title: query optimization in the presence of foreign functions. authors: s chaudhuri , k shim. venue: proceedings of the international conference on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: towards a theory of spatial database queries. authors: j paredaens , j van den bussche , d van gucht. venue: nan. year: nan", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: analytic models for database management system. authors: i miyamoto. venue: proc . of int . conf . on vldb , sept ,. year: nan", "same": false}
+{"productA": "title: lopix : a system for xml data integration and manipulation. authors: w may. venue: vldb. year: 2001", "productB": "title: trio : a system for integrated management of data , accuracy. authors: j widom. venue: and lineage . technical report , stanford university , 2004 . http : /. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: query optimization for selections using bitmaps , sigmod 1999. authors: m wu. venue: proceedings acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the database language gem. authors: c zmwolo. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: using sets of feature vectors for similarity search on voxelized cad objects. authors: h kriegel , s brecheisen , p kr\u0456ger , m pfeifle , m schubert. venue: sigmod conference. year: 2003", "productB": "title: using extended feature objects for partial similarity retrieval. authors: s berchtold , da keim , hp kriegel. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: a el abbadi , g schlageter , ky whang. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: a syntax and semantics for set-oriented production rules in relational database systems. authors: j widom. venue: sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: good : a graph-oriented object database system ( video demonstration ). authors: m gemis , j paredaens , i thyssens , j van den. venue: proc . acm. year: nan", "same": false}
+{"productA": "title: an adaptive query execution system for data integration. authors: z ives , d florescu , m friedman , a levy , d weld. venue: sigmod conference. year: 1999", "productB": "title: adaptive information system design : one query at a time. authors: ct yu , ch chen. venue: acm sigmod record ,. year: 1985.0", "same": false}
+{"productA": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b sreenath , s seshadri. venue: vldb. year: 1994", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: z xie , j han. venue: vldb ,. year: 1994.0", "same": false}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: the r\u00e2 ?? - tree : an efficient androbust access methodfor points and rectangles. authors: n beckmann , hp kriegel , r schneider , b seeger. venue: proc . acm sigmod. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: performance analysis of a relational data base management system. authors: p hawthorn , m stonebraker. venue: proceedings of the 1979 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: c chan , m garofalakis , r rastogi. venue: vldb j.. year: 2003", "productB": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b sreenath. venue: vldb ,. year: 1994.0", "same": false}
+{"productA": "title: design principles for data-intensive web sites. authors: s ceri , p fraternali , s paraboschi. venue: sigmod record. year: 1999", "productB": "title: caching strategies for data-intensive web sites , in \u00e2 ?? vldb conference\u00e2 ??. authors: k yagoub , d florescu , p valduriez , v issarny. venue: cairo , egypt ,. year: nan", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: mining association rules between sets of items in large databases . 1993. authors: r agrawal , t imielinski , a swami. venue: proc . acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: overview of strudel - a web-site management system. authors: mf fernandez , d florescu , j kang , ay levy , d suciu. venue: nan. year: nan", "same": false}
+{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: l zeng , b benatallah , p nguyen , a ngu. venue: vldb. year: 2001", "productB": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: application of sub-predicate tests in database systems. authors: r munz , hj schneider , f steyer. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: persistence software : bridging object-oriented programming and relational databases. authors: am keller , r jensen. venue: nan. year: nan", "same": false}
+{"productA": "title: accessing a relational database through an object-oriented database interface. authors: j orenstein , d kamber. venue: vldb. year: 1995", "productB": "title: odefs : a file system interface to an object-oriented database. authors: nh gehani , hv jagadish , wd roome. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb. year: 1995", "productB": "title: multi-resource parallel query scheduling and optimization. authors: mn garofalakis , ye ioannidis. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: is web-site management a database problem ?. authors: d florescu , a levy , d suciu. venue: vldb. year: 1998", "productB": "title: multimedia database management systems. authors: b prabhakaran. venue: nan. year: nan", "same": false}
+{"productA": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b sreenath , s seshadri. venue: vldb. year: 1994", "productB": "title: towards an inductive design of distributed object oriented databases. authors: fa baiao , m mattoso , g zaverucha. venue: nan. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: remarks in response to : '' issues in distributed data base management systems : a technical overview '' ,. authors: j rothnie. venue: conf . on vldb proceedings supplement : panelists &#39; statements , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: jd the theory of joins in relational databases. authors: av aho , c beam , n ull. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: promises and realities of active database systems. authors: e simon , a dittrich. venue: vldb. year: 1995", "productB": "title: special issue on prototypes of deductive database systems. authors: k ramamohanarao. venue: the vldb journal\u00e2 ?? the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: a formal perspective on the view selection problem. authors: r chirkova , a halevy , d suciu. venue: vldb j.. year: 2002", "productB": "title: theoretical perspectives on instructional problems. authors: rj menges , m svinicki. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: the case for enhanced abstract data types. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1997", "productB": "title: the design of a relational database system with abstract data types for domains. authors: sl osborn , te heaven. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r krishnamurthy , a rao , f tian , s viglas , y wang , j naughton , d dewitt. venue: vldb. year: 2003", "productB": "title: a transducer-based xml query processor. authors: , p mukhopadhyay , y papakonstantinou. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: semantic interoperability in information services : experiencing with coopware. authors: a gal. venue: sigmod record. year: 1999", "productB": "title: an anatomy of the information resource semantic interoperability. authors: la kalinichenko. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb ,. year: 1999.0", "same": false}
+{"productA": "title: a requirement-based approach to data modeling and re-engineering. authors: a muntz , c ramiller. venue: vldb. year: 1994", "productB": "title: a modified approach to data cache management. authors: gtmfj matthews , ar pleszkun. venue: i > proc . 28th ann . int &#39; l symp . microarchitecture , < / i ,. year: nan", "same": false}
+{"productA": "title: message from editor-in-chief , acm transactions on database systems. authors: w kim. venue: nan. year: 1999", "productB": "title: source acm transactions on database systems ( tods ) archive. authors: g wiederhold. venue: acm transactions on database systems ( tods ) ,. year: 1990.0", "same": false}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: managing uncertainty in moving objects databases. authors: g trajcevski , o wolfson , k hinrichs , s chamberlain. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: obtaining complete answers from incomplete databases. authors: a levy. venue: vldb. year: 1996", "productB": "title: obtaining complete answers from incomplete databases. authors: c collet , m huhns , w shen. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: i ching : an annotated bibliography. authors: ea hacker , s moore , l patsco. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: temporal queries in olap. authors: a mendelzon , a vaisman. venue: vldb. year: 2000", "productB": "title: temporal slicing in the evaluation of xml queries. authors: d gao , rt snodgrass. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: kiernan . watermarking relational databases. authors: r agrawal andj. venue: proc . of the 28th int\u00e2 ?? l conferenceon very largedatabases ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: idt.unit.no. venue: vldb ,. year: 1999.0", "same": false}
+{"productA": "title: business-to-business interactions : issues and enabling technologies. authors: b medjahed , b benatallah , a bouguettaya , a ngu , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: elmagarmid ahmed k. . business-to-business interactions : issues and enabling technologies. authors: m brahim , b boualem , b athman , na hh. venue: the vldb journal ,. year: nan", "same": false}
+{"productA": "title: advances in real-time database systems research. authors: a bestavros. venue: sigmod record. year: 1996", "productB": "title: index concurrency control in firm real-time database systems. authors: b goyal , jr haritsa , s seshadri , v srinivasan. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: sddl : a system for distributed databases. authors: jb rothnie\u00e2 ? \u00a6. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: held . g. the design and implementation of ingres. authors: m stonebraker , e wong , p kreps. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: data-driven one-to-one web site generation for data-intensive web applications. authors: s ceri , p fraternali , s paraboschi. venue: proceedings of vldb\u00e2 ?? 99 , september 1999 , edinburgh ,. year: nan", "same": false}
+{"productA": "title: efficient exploration of large scientific databases. authors: e stolte , g alonso. venue: vldb. year: 2002", "productB": "title: efficient monitoring of database assertions. authors: m hammer , sk sarin. venue: proceedings of the 1978 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: rule management in object oriented databases : a uniform approach . actes. authors: o diaz , n paton , p gray. venue: 17th international conference vldb , barcelona ,. year: nan", "same": false}
+{"productA": "title: automating physical database design in a parallel database. authors: j rao , c zhang , n megiddo , g lohman. venue: sigmod conference. year: 2002", "productB": "title: the uses of cluster analysis in physical database design in proc. authors: j hoer , d severance. venue: 1st international conference on vldb , framingham , ma ,. year: nan", "same": false}
+{"productA": "title: message from editor-in-chief , acm transactions on database systems. authors: w kim. venue: nan. year: 1999", "productB": "title: source acm transactions on database systems ( tods ) archive. authors: w kim. venue: acm transactions on database systems ( tods ) ,. year: 1993.0", "same": false}
+{"productA": "title: declarative specification of web sites with strudel. authors: m fernandez , d florescu , a levy , d suciu. venue: vldb j.. year: 2000", "productB": "title: declarative specification of data-intensive web sites. authors: m fernandez. venue: nan. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: analysis of distributed data base processing strategies. authors: rs epstein , m stonebraker. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: cache-conscious concurrency control of main-memory indexes on shared-memory multiprocessor systems. authors: s cha , s hwang , k kim , k kwon. venue: vldb. year: 2001", "productB": "title: distributed cache coherence for large scale shared memory multiprocessor systems. authors: m thapar , b delagi. venue: technical report ksl-89-83 , stanford university , december. year: nan", "same": false}
+{"productA": "title: agents , turst , and information access on the semantic web. authors: t finin , a joshi. venue: sigmod record. year: 2002", "productB": "title: integrating information , applications and services on the web. authors: jc lavariega , lg g\u00e3 \u00b3 mez-mart\u00e3 nez. venue: nan. year: nan", "same": false}
+{"productA": "title: congressional samples for approximate answering of group-by queries. authors: s acharya , p gibbons , v poosala. venue: sigmod conference. year: 2000", "productB": "title: time-stratified sampling for approximate answers to aggregate queries. authors: jp costa , p furtado. venue: nan. year: nan", "same": false}
+{"productA": "title: predator : a resource for database research. authors: p seshadri. venue: sigmod record. year: 1998", "productB": "title: going public : open-source databases and database research. authors: p bonnet. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: editorial. authors: s rudkin. venue: bt technology journal ,. year: 2005.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: storing and querying xml data using denormalized relational databases. authors: a balmin , y papakonstantinou. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: j han , y fu , y huang , y cai , n cercone. venue: sigmod conference. year: 1994", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: an effective algorithm for mining of association rules. authors: js park\u00e2 ? \u00a6. venue: proceedings of acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: erratum : a database model for object dynamics. authors: m papazoglou , b kr\u0444mer. venue: vldb j.. year: 1997", "productB": "title: a query model for object-oriented databases. authors: w krm. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: constraint databases : a tutorial introduction .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": false}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: r cochrane , h pirahesh , n mattos. venue: vldb. year: 1996", "productB": "title: on rules and integrity constraints in database systems. authors: tw ling , pk teo. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: the xps approach to loading and unloading terabyte databases. authors: s atal. venue: vldb. year: 1996", "productB": "title: a declarative approach to optimize bulk loading into databases. authors: s amer-yahia , s cluet. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: vqbd : exploring semistructured data. authors: s chawathe , t baby , j yeo. venue: sigmod conference. year: 2001", "productB": "title: path rewriting in semistructured data. authors: d debarbieux , y roos , s tison , y andre , ac caron. venue: nan. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: implementation techniques for main memory database systems. authors: djdwrhkf olken , ldsmr stonebraker , d wood. venue: i > proc . 1984 acm sigmod int &#39; l conf . management of data , < / i ,. year: nan", "same": false}
+{"productA": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: vldb j.. year: 1995", "productB": "title: tractable query languages for complex object databases. authors: s grumbach. venue: nan. year: nan", "same": false}
+{"productA": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , j naughton. venue: vldb. year: 1998", "productB": "title: a foundation for multi-dimensional databases. authors: g marc , l laks. venue: nan. year: nan", "same": false}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: database and information systems research database and information systems research for semantic web. authors: a sheth , r meersman. venue: nan. year: nan", "same": false}
+{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference. year: 1999", "productB": "title: semi-join algorithms for multiprocessor systems. authors: p valduriez. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: the architecture of an active database management system. authors: u dayal , d mccarthy. venue: acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: querying multi-dimensional data indexed using the hilbert space-filling curve. authors: j lawder , p king. venue: sigmod record. year: 2001", "productB": "title: querying high-dimensional data in single-dimensional space. authors: c yu , s bressan , bc ooi , kl tan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: duality-based subsequence matching in time-series databases. authors: ys moon , ky whang , wk loh. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: performance evaluation of a temporal database management system. authors: r snodgrass. venue: proc . acm sigmod , conf management of data , may ,. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: object-oriented querrying of existing relational databases. authors: da keim , hp kriegel , a miethsam. venue: nan. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: xml and relational database management systems : the inside story. authors: m rys , d chamberlin , d florescu. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: hierarchical schemata for relational databases. authors: ye lien. venue: acm transactions on database systems ( tods ) ,. year: 1981.0", "same": false}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: queries and query processing in object-oriented database systems. authors: dd straube , mt \u00e3?zsu. venue: acm transactions on information systems ( tois ) ,. year: 1990.0", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: an effective algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: proceedings of 21st international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editor 's introduction. authors: k aberer. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: data staging for on-demand broadcast. authors: d aksoy , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: balancing push and pull for data broadcast. authors: a swarup , m franklin , s zdonik. venue: proceedings of the acm sigmod conference , tucson-arizona , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: efficient index structures for string databases. authors: t kahveci , a singh. venue: vldb. year: 2001", "productB": "title: an index structure for efficient reverse nearest neighbor queries. authors: c yang , ki lin. venue: nan. year: nan", "same": false}
+{"productA": "title: grid data management systems & services. authors: nan. venue: nan. year: 2003", "productB": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: nan. year: nan", "same": false}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: s ashok. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: implementing xquery. authors: p cotton. venue: sigmod conference. year: 2002", "productB": "title: implementing the tate pairing. authors: sd galbraith , k harrison , d soldera. venue: lecture notes in computer science ,. year: 2002.0", "same": false}
+{"productA": "title: the challenge of process data warehousing. authors: m jarke , t list , j k\u0456ller. venue: vldb. year: 2000", "productB": "title: the ins and outs of data warehousing. authors: d schneider. venue: tutorial on the vldb. year: nan", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: on rules and integrity constraints in database systems. authors: tw ling , pk teo. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: fast computation of sparse datacubes. authors: k ross , d srivastava. venue: vldb. year: 1997", "productB": "title: fast computation of semi-octave pyramids. authors: a chehikian. venue: procs . of 7th scandinavian conference on image. year: nan", "same": false}
+{"productA": "title: a super scalar sort algorithm for risc processors. authors: r agarwal. venue: sigmod conference. year: 1996", "productB": "title: a study of sort algorithms for multiprocessor db machines. authors: j menon. venue: proc . int . conf . on very large data bases. year: nan", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: storing semistructured data with stored. authors: admfd suciu. venue: proc of the acm sigmod international conference on & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: a case for dynamic view management. authors: y kotidis , n roussopoulos. venue: acm transactions on database systems ,. year: 2001.0", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial. authors: m huhns , g weiss. venue: machine learning ,. year: 1998.0", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: t king. venue: bt technology journal ,. year: 1998.0", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ase omiecinski , s navathe. venue: i > proc . 21st int &#39; l conf . very large data bases , < / i > morgan & hellip ; ,. year: nan", "same": false}
+{"productA": "title: web caching for database applications with oracle web cache. authors: j anton , l jacobs , x liu , j parker , z zeng , t zhong. venue: sigmod conference. year: 2002", "productB": "title: dbcache : database caching for web application servers. authors: m altinel , q luo , s krishnamurthy , c mohan , h. venue: proceedings of the 2002 acm sigmod international conference & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: foreword : management of semistructured data. authors: nan. venue: nan. year: 1997", "productB": "title: tutorial : semistructured data. authors: p buneman. venue: proceedings of acm symposium on principles of database & hellip ; ,. year: nan", "same": false}
+{"productA": "title: synchronization and recovery in a client-server storage system. authors: e panagos , a biliris. venue: vldb j.. year: 1997", "productB": "title: efficient transparent application recovery in client-server information systems. authors: d lomet , g weikum. venue: sigmod conference ,. year: 1998.0", "same": false}
+{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb j.. year: 2000", "productB": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: jh lee , dh kim , cw chung. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: continuously adaptive query processing. authors: r avnur , jmh eddies. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: an evaluation of vertical classpartitioning for query processingin object-oriented databases. authors: k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: approximate computation of multidimensional aggregates in a data warehouse. authors: r pears , m mansfield. venue: annual conference proceedings of the national advisory & hellip ; ,. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: lore : a db management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod rec ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1999", "productB": "title: reminiscences on influential papers. authors: ka ross. venue: sigmod. year: 2002.0", "same": false}
+{"productA": "title: a framework for clustering evolving data streams. authors: c aggarwal , j han , j wang , p yu. venue: vldb. year: 2003", "productB": "title: a martingale framework for concept change detection in time-varying data streams. authors: ss ho. venue: nan. year: nan", "same": false}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: integrity constraint in deductive databases. authors: ra kowalski , f sadri , p soper. venue: proceedings of the 13th vldb conference , brighton. year: nan", "same": false}
+{"productA": "title: proxy-based acceleration of dynamically generated content on the world wide web : an approach and implementation. authors: a datta , k dutta , h thomas , d vandermeer , s suresha , k ramamritham. venue: sigmod conference. year: 2002", "productB": "title: context-based navigation in the web by means of dynamically generated guided tours. authors: w lemahieu. venue: computer networks ,. year: 2002.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: a survey of object oriented database systems. authors: rw thearle. venue: conference proceedings on data management 91 table of & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: consistency , concurrency , and crash recovery. authors: ye lien , pj weinberger. venue: proceedings of the 1978 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2003", "productB": "title: treasurer 's message. authors: j hammer. venue: sigmod. year: 2000.0", "same": false}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: density-connected subspace clustering for high-dimensional data. authors: k kailing , hp kriegel , p kroger. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: mining association rules from quantitative data. authors: tp hong , cs kuo , sc chi. venue: intelligent data analysis ,. year: 1999.0", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: geoquel : a relational geo-data system. authors: a go\u00e2 ? \u00a6. venue: proc . acm siggraph-sigmod workshop on application of data & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction : artificial neural systems. authors: bd shriver. venue: computer ,. year: 1988.0", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: seq : design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: computer sciences technical report-university of wisconsin & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: on semantic query optimization in deductive databases. authors: lvs lakshmanan , r missaoui. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor. authors: a dogac. venue: acm sigmod record special section on electronic commerce ,. year: nan", "same": false}
+{"productA": "title: caching technologies for web applications. authors: c mohan. venue: vldb. year: 2001", "productB": "title: nature-inspired computing technology and applications. authors: p marrow. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: parametric query optimization. authors: j madhavan. venue: nan. year: nan", "same": false}
+{"productA": "title: clustering methods for large databases : from the past to the future. authors: a hinneburg , d keim. venue: sigmod conference. year: 1999", "productB": "title: cure : a clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: proc . of the acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: cure : a clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: proc . of the acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial. authors: p aplin. venue: nan. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: formalization of object-oriented database model with rules. authors: s goutas , p soupos , d christodoulakis. venue: information and software technology ,. year: 1991.0", "same": false}
+{"productA": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record. year: 1994", "productB": "title: a survey of parallel database techniques and systems , tutorial handouts , 21. authors: j gray. venue: vldb , zurich , switzerland , sept ,. year: nan", "same": false}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: lh * rs\u00e2 ?? a highly-available scalable distributed data structure. authors: w litwin , r moussa. venue: acm transactions on database systems ( tods ) ,. year: 2005.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: semantics based synchronization in database systems. authors: v krishnaswamy. venue: nan. year: 1993.0", "same": false}
+{"productA": "title: conceptual schema analysis : techniques and applications. authors: s castano , v antonellis , m fugini , b pernici. venue: acm trans . database syst .. year: 1998", "productB": "title: contextual insight in search : enabling technologies and applications. authors: a \u00e3?hrn. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: resource scheduling for composite multimedia objects. authors: m garofalakis , y ioannidis , b \u0436zden. venue: vldb. year: 1998", "productB": "title: multi-dimensional resource scheduling for parallel queries. authors: mn garofalakis , ye ioannidis. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the database research group at eth zurich. authors: m norrie , s blott , h schek , g weikum. venue: sigmod record. year: 1994", "productB": "title: the microsoft database research group .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: petabyte databases. authors: nan. venue: nan. year: 1999", "productB": "title: temporal databases. authors: rt snodgrass. venue: nan. year: nan", "same": false}
+{"productA": "title: objectglobe : ubiquitous query processing on the internet. authors: r braumandl , m keidl , a kemper , d kossmann , a kreutz , s seltzsam , k stocker. venue: vldb j.. year: 2001", "productB": "title: objectglobe : open distributed query processing services on the internet. authors: r braumandl , m keidl , a kemper , d kossmann , s. venue: nan. year: nan", "same": false}
+{"productA": "title: an extension of the relational data model to incorporate ordered domains. authors: w ng. venue: acm trans . database syst .. year: 2001", "productB": "title: on the semantics of the relational data model. authors: jr swenson. venue: proceedings acm sigmod conference , san jose ,. year: nan", "same": false}
+{"productA": "title: information rules. authors: d stirling. venue: sigmod record. year: 2003", "productB": "title: in the information age. authors: p anastasiades. venue: aa livanis editions , athens greece. year: nan", "same": false}
+{"productA": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: vldb j.. year: 1996", "productB": "title: query caching and optimization in distributed media systems. authors: s adali , ks candan , y papakonstantinou , vs. venue: proc . of. year: nan", "same": false}
+{"productA": "title: keynote address. authors: nan. venue: nan. year: 1995", "productB": "title: keynote address. authors: m lehman. venue: proceedings of the 4th international workshop on computer - & hellip ; ,. year: nan", "same": false}
+{"productA": "title: extracting structured data from web pages. authors: a arasu , h garcia-molina. venue: sigmod conference. year: 2003", "productB": "title: nodose : a tool for semi-automatically extracting structured and semi-structured data from text. authors: b adelberg. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: medical information systems : characterization and challenges. authors: j ramirez , l smith , l peterson. venue: sigmod record. year: 1994", "productB": "title: global information systems quality : key issues and challenges. authors: kg nelson. venue: journal of global information management ,. year: 1996.0", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: knowledge management. authors: p loshin. venue: computerworld ,. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: temporal database implementations. authors: mh boehlen. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: supporting periodic authorizations and temporal reasoning in database access control. authors: e bertino , c bettini , e ferrari , p samarati. venue: vldb. year: 1996", "productB": "title: an access control model supporting periodicity constraints and temporal reasoning. authors: e bertino , c bettini , e ferrari , p samarati. venue: acm transactions on database systems ,. year: 1998.0", "same": false}
+{"productA": "title: time-parameterized queries in spatio-temporal databases. authors: y tao , d papadias. venue: sigmod conference. year: 2002", "productB": "title: an extensible database system for spatio-temporal queries. authors: c chen , h wang , c zaniolo. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb j.. year: 2000", "productB": "title: on effective multi-dimensional indexing for strings. authors: hv jagadish. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: performance evaluation of a temporal database management system. authors: r snodgrass. venue: proc . acm sigmod , conf management of data , may ,. year: nan", "same": false}
+{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: l liu , c pu , d buttler , w han , h paques , w tang. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: the o 2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod-international conference. year: nan", "same": false}
+{"productA": "title: a performance evaluation of oid mapping techniques. authors: a eickler , c gerlhof , d kossmann. venue: vldb. year: 1995", "productB": "title: b. seeger an evaluation of generic bulk loading techniques. authors: j van den bercken. venue: proceedings of. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the x-tree : an index structure for high-dimensional data. authors: s bertchold , da keim , hp kriegel. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: pixel-oriented database visualizations. authors: d keim. venue: sigmod record. year: 1996", "productB": "title: a visual language for object-oriented databases .. authors: if cruz. venue: international conference on management of data ,. year: nan", "same": false}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: maintaining security and timeliness in real-time database system. authors: qn ahmed , sv vrbsky. venue: journal of systems and software ,. year: 2002.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference. year: 1999", "productB": "title: the gem\u00e2 ?? stone data management system , object-oriented concepts , databases , and applications. authors: mj carey , dj dewitt , jf richardson , ej shekita. venue: nan. year: 1989.0", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: directions in object-oriented research. authors: dc tsichritzis , o nierstrasz. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: concurrency control and object-oriented databases. authors: ah skarra , sb zdonik. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: xquery implementation in a relational database system. authors: s pal , i cseri , o seeliger , m rys , g schaller , w. venue: submitted for. year: nan", "same": false}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: continuous k-nearest neighbor queries for continuously moving points with updates. authors: gs iwerks , h samet , k smith. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: coalescing in temporal databases. authors: m b\u0456hlen , r snodgrass , m soo. venue: vldb. year: 1996", "productB": "title: temporal aggregation in active databases. authors: i motakis , c zaniolo. venue: int . conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: answering complex sql queries using summary tables. authors: m zaharioudakis , r cochrane , h pirahesh , g lapis ,. venue: nan. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: subset queries in relational databases. authors: sr valluri , k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: storing semistructed data with stored. authors: a deutsch , m fernandez , d suciu. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: sql query optimization : reordering for a general class of queries. authors: p goel , b iyer. venue: sigmod conference. year: 1996", "productB": "title: reordering for a general class of queries. authors: pgbisql queryoptimization. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: local dimensionality reduction : a new approach to indexing high dimensional spaces. authors: k chakrabarti , s mehrotra. venue: vldb. year: 2000", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm transactions on database systems ,. year: 2002.0", "same": false}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: a model of queries for object-oriented databases. authors: kw kun. venue: proc of the 1989 vldb co @ , amsterdam , the netherlands , aug ,. year: nan", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: thetheoryofprobabilistic databases. authors: r cavallo , m pittarelli. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: implementing database operations using simd instructions. authors: j zhou , k ross. venue: sigmod conference. year: 2002", "productB": "title: benchmarking simple database operations. authors: wb rubenstein , ms kubicar , rgg cattell. venue: proceedings of the 1987 acm sigmod international conference & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: j li , d rotem , j srivastava. venue: vldb. year: 1999", "productB": "title: efficient aggregation algorithms for compressed data warehouses. authors: j li , j srivastava. venue: ieee transactions on knowledge and data engineering ,. year: 2002.0", "same": false}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: horizontal data partitioning in database systems. authors: s ceri , m negri , g pelagatti. venue: proc . of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: fast algorithms for universal quantification in large databases. authors: g graefe , r cole. venue: acm trans . database syst .. year: 1995", "productB": "title: algorithms for mining distance based outliers in large databases. authors: e knorr , r ng. venue: proceedings of vldb , new york ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: calls for papers / announcements. authors: nan. venue: sigmod record. year: 1994", "productB": "title: i. announcements. authors: ii business , iiip items. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: on the minimization of xpath queries. authors: s flesca , f furfaro , e masciari. venue: vldb. year: 2003", "productB": "title: optimization of multiple-relation multiple-disjunct queries. authors: m muralikrishna , dj dewitt. venue: proceedings of the seventh acm sigact-sigmod-sigart & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: deeds towards a distributed and real-time database system. authors: sa andler , j hansson , j eriksson , j mellin , m. venue: sigmod record 25 ( 1 ) ,. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: data structures for an integrated data base management and information retrieval system. authors: hj schek , p pistor. venue: vldb ,. year: 1982.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: a model for active object oriented databases. authors: , t milo. venue: vldb ,. year: 1991.0", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: integrity constraint and rule maintenance in temporal deductive knowledge bases. authors: d plexousakis. venue: nan. year: nan", "same": false}
+{"productA": "title: parallel database systems 101. authors: j gray. venue: sigmod conference. year: 1995", "productB": "title: panel on extensible database systems .. authors: ds batory , m mannino. venue: acm sigmod record ,. year: 1986.0", "same": false}
+{"productA": "title: answering queries with useful bindings. authors: c li , e chang. venue: acm trans . database syst .. year: 2001", "productB": "title: answering queries with aggregation using views. authors: d srivastava , s dar , hv jagadish , ay levy. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: source international conference on management of data archive. authors: j clifford. venue: proceedings of the 1991 acm sigmod international conference. year: 1991.0", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: fastalgorithmsformining association rules. authors: rar srikant. venue: proc . of the vldb conference , santiago , chile , september ,. year: nan", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: a distributed algorithm for global query optimization in multidatabase systems .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: mining association rules between sets of items in large databases 1993 . 10p. authors: r agrawal , t imielinski , a swami. venue: proceedings of the 1993 acm sigmod conference washington dc ,. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: the piazza peer data management system. authors: ay halevy , zg ives , j madhavan , p mork , d suciu , i. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: minimal probing : supporting expensive predicates for top-k queries. authors: k chang , s hwang. venue: sigmod conference. year: 2002", "productB": "title: w. huang . minimal probing : supportingexpensive predicates for top-k queries. authors: k changands. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: simple random sampling from relational databases. authors: f olken. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: efficient maintenance of materialized mediated views. authors: j lu , g moerkotte , j sch\u045c , v subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: efficient view maintenanceat data warehouse. authors: d agrawal , a el abbadi , a singh , t yurek. venue: proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: p aplin. venue: nan. year: nan", "same": false}
+{"productA": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: vldb. year: 1995", "productB": "title: systems methodology for the management sciences. authors: mc jackson. venue: nan. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: j remane. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: source international conference on management of data archive. authors: m stonebraker. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: y zhao , p deshpande , j naughton. venue: sigmod conference. year: 1997", "productB": "title: set-derivability of multidimensional aggregates. authors: j albrecht , h guenzel , w lehner. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for selecting advanced reservations. authors: m bartlett , am frisch , y hamadi , i miguel , c. venue: nan. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to systemic functional linguistics. authors: s eggins. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining large itemsets for association rules. authors: cc aggarwal , ps yu. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: shamkantnavathe . an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski. venue: proceedings of the 21st international conference on very. year: nan", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: using semantic knowledge for transaction processing in a distributed database. authors: h garcia-molina. venue: acm transactions on database systems ( tods ) ,. year: 1983.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2000", "productB": "title: reminiscences of an indian official. authors: o cavenagh. venue: nan. year: 1884.0", "same": false}
+{"productA": "title: incremental maintenance of recursive views using relational calculus/sql. authors: g dong , j su. venue: sigmod record. year: 2000", "productB": "title: incremental maintenance od externally materialized views. authors: m staudy , m jarke. venue: the proceedings of the 22th very large database ( vldb ) & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an introduction to deductive database languages and systems. authors: k ramamohanarao , j harland. venue: vldb j.. year: 1994", "productB": "title: glue-nail : a deductive database system. authors: g phipps , ma derr , ka ross. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: performance measurements of tertiary storage devices. authors: t johnson , e miller. venue: vldb. year: 1998", "productB": "title: performance measurement in supply networks. authors: p suomala , hi kulmala. venue: nan. year: nan", "same": false}
+{"productA": "title: holistic twig joins on indexed xml documents. authors: h jiang , w wang , h lu , j yu. venue: vldb. year: 2003", "productB": "title: efficient structural joins on indexed xml documents. authors: sy chein , z vagena , d zhang , vj tsotras , c zanilo. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: optimizing multi-feature queries for image databases. authors: u g\u045cntzer , w balke , w kie\u043fling. venue: vldb. year: 2000", "productB": "title: optimizing queries on files. authors: mp consens. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for projected clustering. authors: c aggarwal , c procopiuc , j wolf , p yu , j park. venue: sigmod conference. year: 1999", "productB": "title: k-means projective clustering. authors: pk agarwal , nh mustafa. venue: & hellip ; of the twenty-third acm sigmod-sigact-sigart symposium on & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: dynamic multidimensional histograms. authors: n thaper , s guha , p indyk , n koudas. venue: sigmod conference. year: 2002", "productB": "title: dewitt , d. equi-depth multidimensional histograms. authors: m muralikrishna. venue: proc .. year: nan", "same": false}
+{"productA": "title: winnowing : local algorithms for document fingerprinting. authors: s schleimer , d wilkerson , a aiken. venue: sigmod conference. year: 2003", "productB": "title: a new randomized algorithm for document fingerprinting. authors: s ganguly , g veda. venue: nan. year: nan", "same": false}
+{"productA": "title: integrating modelling systems for environmental management information systems. authors: d abel , k taylor , d kuo. venue: sigmod record. year: 1997", "productB": "title: model management : managing complex information structures. authors: pa bernstein , ay halevy , ra pottinger. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: integrating active concepts into an object-oriented database system .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: generating association rules for prefetching. authors: s drapeau. venue: icdcs workshop of knowledge discovery and data mining in the & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: selective information dissemination in p2p networks : problems and solutions. authors: m koubarakis , c tryfonopoulos , s idreos , y drougas. venue: sigmod record. year: 2003", "productB": "title: deductive database languages : problems and solutions. authors: m liu. venue: acm computing surveys ,. year: 1999.0", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: f [ 22 ] zhang , t. , ramakrishnan , r. , and linvy , m. ( 1996 ) . birch : an efficient data clustering method. authors: kl clarkson. venue: proc . acm sigmod int\u00e2 ?? l con ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: updating relational databases through object-based views. authors: a keller , t barsalou , n siambela , g wiederhold. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: implementation of an agent-based business process. authors: g pang. venue: nan. year: nan", "same": false}
+{"productA": "title: location-based spatial queries. authors: j zhang , m zhu , d papadias , y tao , d lee. venue: sigmod conference. year: 2003", "productB": "title: evaluation of buffer queries in spatial databases. authors: epf chan. venue: nan. year: nan", "same": false}
+{"productA": "title: density biased sampling : an improved method for data mining and clustering. authors: c palmer , c faloutsos. venue: sigmod conference. year: 2000", "productB": "title: dbrs : a density-based spatial clustering method with random sampling. authors: x wang , hj hamilton. venue: lecture notes in computer science ,. year: 2003.0", "same": false}
+{"productA": "title: editor 's notes. authors: nan. venue: nan. year: 2001", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: building notification services with microsoft sqlserver. authors: p seshadri. venue: sigmod conference. year: 2003", "productB": "title: building solutions with microsoft commerce server 2002. authors: cc peddy , d armentrout. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a glossary of temporal database concepts , ''. authors: cs jansen , j clifford , sk gadia , rt snodgrass. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: proceedings of the 2000 acm sigmod international conference on management of data , may 16-18 , 2000 , dallas , texas , usa. authors: nan. venue: nan. year: 2000", "productB": "title: shoring up persistent applications , acm sigmod international conference on management of data. authors: mj carey , dj dewitt , mj franklin\u00e2 ? \u00a6. venue: minneapolis , minnesota . may ,. year: nan", "same": false}
+{"productA": "title: update propagation protocols for replicated databases. authors: y breitbart , r komondoor , r rastogi , s seshadri , a silberschatz. venue: sigmod conference. year: 1999", "productB": "title: update synchronization in distributed databases. authors: wk cheng , gg belford. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: principles of optimally placing data in tertiary storage libraries. authors: s christodoulakis , p triantafillou , f zioga. venue: vldb. year: 1997", "productB": "title: principles of optimally placing data in tertiary storage libraries. authors: hc paradise , c chania. venue: nan. year: nan", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: multidatabase interoperability in the jupiter system. authors: j murphy , j grimson. venue: information and software technology ,. year: 1995.0", "same": false}
+{"productA": "title: s3 : similarity search in cad database systems. authors: s berchtold , h kriegel. venue: sigmod conference. year: 1997", "productB": "title: proximity search in databases. authors: g bhalotia. venue: b. tech . project , iit-bombay ,. year: nan", "same": false}
+{"productA": "title: optimizing multi-feature queries for image databases. authors: u g\u045cntzer , w balke , w kie\u043fling. venue: vldb. year: 2000", "productB": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: nan. year: nan", "same": false}
+{"productA": "title: timber : a native system for querying xml. authors: s paparizos , s al-khalifa , a chapman , h jagadish , l lakshmanan , a nierman , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: sigmod conference. year: 2003", "productB": "title: timber : a native xml database , 2003. authors: hv jagadish , s al-khalifa , a chapman , lvs. venue: vldb. year: nan", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: nl smith. venue: new directions for program evaluation ,. year: 1981.0", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: birch : an efficient clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: & hellip ; workshop on research issues on data mining and knowledge & hellip ; ,. year: nan", "same": false}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , jf naughton. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: processing set expressions over continuous update streams. authors: s ganguly , m garofalakis , r rastogi. venue: sigmod conference. year: 2003", "productB": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: aseos navathe. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: optimization of join operations in horizontally partitioned database systems. authors: a segev. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: acm multimedia '94 conference workshop on multimedia database management systems. authors: p berra , k nwosu , b thuraisingham. venue: sigmod record. year: 1995", "productB": "title: a multi-paradigm querying approach for a generic multimedia database management system. authors: jr wen , q li , wy ma , hj zhang. venue: sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: dynamic maintenance of wavelet-based histograms. authors: y matias , j vitter , m wang. venue: vldb. year: 2000", "productB": "title: maintenance of multidimensional histograms. authors: s muthukrishnan , m strauss. venue: nan. year: nan", "same": false}
+{"productA": "title: research directions in biodiversity informatics. authors: j schnase. venue: vldb. year: 2000", "productB": "title: research directions in biodiversity and ecosystem informatics . report of an nsf , usgs. authors: d maier , e landis , j cushing , a frondorf , a. venue: nasa workshop on biodiversity and ecosystem informatics ( & hellip ; ,. year: nan", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: acm sigmod record ,. year: 2000.0", "same": false}
+{"productA": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: a sistla , c yu , c liu , k liu. venue: vldb. year: 1995", "productB": "title: reasoning about spatial relations in picture retrieval systems. authors: ap sistla , ct yu , r haddad. venue: 20th international conference on very large data. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the tv-tree { an index structure for high-dimensional data . the vldb journal , 3 ( 4 ) : 517 { 549. authors: ki lin , hv jagadish , c faloutsos. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: d gunopulos , g kollios , v tsotras , c domeniconi. venue: sigmod conference. year: 2000", "productB": "title: segmentation of an image sequence using multi-dimensional image attributes. authors: e chalom. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining quantitative association rules in large relational tables [ c ]. authors: r sfikant , r agrawal. venue: proceedings of the acm-sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: rastogir. , cure a. , an efficient clustering algorithm for large data bases. authors: s guha. venue: & hellip ; 1998 , acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: load distributing for locally distributed systems. authors: ng shivaratri , p krueger , m singhal. venue: nan. year: nan", "same": false}
+{"productA": "title: probview : a flexible probabilistic database system. authors: l lakshmanan , n leone , r ross , v subrahmanian. venue: acm trans . database syst .. year: 1997", "productB": "title: thetheory of probabilistic databases. authors: r cavallo , m pittarelli. venue: proc . vldb\u00e2 ?? 87 ,. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2000", "productB": "title: reminiscences on influential papers. authors: r snodgrass. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: business data management for b2b electronic commerce. authors: c quix , m schoop , m jeusfeld. venue: sigmod record. year: 2002", "productB": "title: database technologies for electronic commerce. authors: r agrawal , r srikant , y xu. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb. year: 1999", "productB": "title: probabilistic optimization techniques for multicast key management. authors: aa selcuk , d sidhu. venue: computer networks ,. year: 2002.0", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the implementation and performance of compressed databases , nov 1998. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: submitted for. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: grid data services\u00e2 ?? relational database management systems. authors: b collins , a borley , n hardman , a knox , s laws , j. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: leveraging the information asset. authors: j perna. venue: sigmod conference. year: 1995", "productB": "title: marketing the information center. authors: ml richardson. venue: computerworld ,. year: nan", "same": false}
+{"productA": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: vldb j.. year: 2002", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: s thomas , h kriegel. venue: proc . 23th int . conf . on vldb ,. year: nan", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: spatial query processing in an object-oriented database system. authors: ja orenstein. venue: proceedings of the 1986 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: the design , implementation , and evaluation of a compiler algorithm for cpu energy reduction. authors: ch hsu , u kremer. venue: nan. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: scalable parallel data mining for association rules. authors: eh han\u00e2 ? \u00a6. venue: sigmod conference ,. year: 1997.0", "same": false}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: algorithms for mining association rules in bag databases. authors: py hsu , yl chen , cc ling. venue: information sciences\u00e2 ?? informatics and computer science : an & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: dynamic sample selection for approximate query processing. authors: b babcock , s chaudhuri , g das. venue: sigmod conference. year: 2003", "productB": "title: approximate query processing using wavelets [ c ]. authors: k chakrabarfi\u00e2 ? \u00a6. venue: proc of vldb ,. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: an evaluation of buffer management strategies for relational database systems / / vldb '85. authors: ht chou , dj dewitt. venue: proceedings of 11th international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: m tamura , m kitsuregawa. venue: vldb. year: 1999", "productB": "title: dynamic task allocation on open heterogenous processor systems , ''. authors: s olason. venue: bt technology journal ,. year: nan", "same": false}
+{"productA": "title: a framework for change diagnosis of data streams. authors: c aggarwal. venue: sigmod conference. year: 2003", "productB": "title: a framework for clustering evolving data streams. authors: c charu , h jia-wei. venue: proc the 29th vldb conference . berlin : johann christoph & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: converting relational database into xml document. authors: j fong , f pang , c bloor. venue: nan. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2003", "productB": "title: director 's message. authors: ofe announcements , webb learning , f commons. venue: nan. year: nan", "same": false}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: the vagabond approach to logging and recovery in transaction-time temporal object database systems. authors: k n\u00e3 \u00b8 rv\u00e3 \u00a5 g. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: distributed database systems -- four case studies. authors: j gray , m anderton. venue: ieee tods , also tandem. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining generalized association rules. authors: r agrawal , r srikant. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: bringing order to query optimization. authors: g slivinskas , c jensen , r snodgrass. venue: sigmod record. year: 2002", "productB": "title: multiobjective query optimization. authors: ch papadimitriou , m yannakakis. venue: nan. year: nan", "same": false}
+{"productA": "title: bypassing joins in disjunctive queries. authors: m steinbrunn , k peithner , g moerkotte , a kemper. venue: vldb. year: 1995", "productB": "title: optimizing real conjunctive queries. authors: s chaudhuri , m vardi. venue: proc . of the acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the time index : an access structure for temporai data. authors: r ehuasri , gtj wuu , yj kim. venue: 16th vldb ,. year: nan", "same": false}
+{"productA": "title: database patchwork on the internet. authors: r braumandl , a kemper , d kossmann. venue: sigmod conference. year: 1999", "productB": "title: conferencing on the internet. authors: pj cordell , jm courtenay , s rudkin. venue: bt technology journal ,. year: 1997.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2000", "productB": "title: reminiscences on influential papers. authors: ka ross. venue: sigmod. year: 2002.0", "same": false}
+{"productA": "title: composite events for active databases : semantics , contexts and detection. authors: s chakravarthy , v krishnaprasad , e anwar , s kim. venue: vldb. year: 1994", "productB": "title: composite event specification in active databases : model & implementation. authors: nh gehani , hv jagadish. venue: vldb ,. year: 1992.0", "same": false}
+{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: c fung , k karlapalem , q li. venue: vldb j.. year: 2003", "productB": "title: an evaluation of vertical classpartitioning for query processingin object-oriented databases. authors: k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: the x-tree : an efficient and robust access method for points and rectangles. authors: s berchtold , d keim , hp kriegel. venue: proc . 1996 int . conf . very large data. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: managing financial time series data : object-relational and object database systems. authors: l molesky , m caruso. venue: tutorial vldb. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: multimedia database management systems. authors: a ghafoo17. venue: acm computing surveys ,. year: 1995.0", "same": false}
+{"productA": "title: parallel database systems 101. authors: j gray. venue: sigmod conference. year: 1995", "productB": "title: signature caching in parallel object database systems. authors: k norvag. venue: information and software technology ,. year: 2002.0", "same": false}
+{"productA": "title: automatic discovery of language models for text databases. authors: j callan , m connell , a du. venue: sigmod conference. year: 1999", "productB": "title: a survey of logical models for olap databases. authors: p vassiliadis , tk sellis. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: implementation of a time expert in a database system. authors: i avancges , m st pikre de chartreuse. venue: nan. year: 1985.0", "same": false}
+{"productA": "title: a probabilistic relational model and algebra. authors: d dey , s sarkar. venue: acm trans . database syst .. year: 1996", "productB": "title: temporal probabilistic databases , i : algebra. authors: a dekhtyar , r ross , vs subrahmanian. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: fastalgorithmsformining association rules. authors: rar srikant. venue: proc . of the vldb conference , santiago , chile , september ,. year: nan", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: administering a distributed database management system. authors: h walker. venue: acm-sigmod. year: nan", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: mining association rules in hypertext databases. authors: j borges , m levene. venue: rn ,. year: 1999.0", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: information visualization : perception for design. authors: c ware. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: efficient geometry-based similarity search of 3d spatial databases. authors: d keim. venue: sigmod conference. year: 1999", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , hp kriegel. venue: vldb ,. year: 1997.0", "same": false}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: introduction to object-oriented databases. authors: ma garvey , ms jackson. venue: information and software technology ,. year: 1989.0", "same": false}
+{"productA": "title: the generalized pre-grouping transformation : aggregate-query optimization in the presence of dependencies. authors: a tsois , t sellis. venue: vldb. year: 2003", "productB": "title: query optimization in the presence of limited access patterns. authors: a levy , i manolesu , d suciu , d florescu. venue: proc . of acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: modeling high-dimensional index structures using sampling. authors: c lang , a singh. venue: sigmod conference. year: 2001", "productB": "title: an index structure for high-dimensional data. authors: s berchtold , da keim , hp kriegel. venue: procs . of the 22nd vldb conference ,. year: nan", "same": false}
+{"productA": "title: on effective multi-dimensional indexing for strings. authors: h jagadish , n koudas , d srivastava. venue: sigmod conference. year: 2000", "productB": "title: a foundation for multi-dimensional db. authors: m gyssens , vs lakshmanan. venue: proc . of the 23rd vldb ,. year: nan", "same": false}
+{"productA": "title: the long-term preservation of authentic electronic records. authors: l duranti. venue: vldb. year: 2001", "productB": "title: authentic electronic records : strategies for long-term access. authors: cm dollar. venue: nan. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: extending a deductive object-oriented database system with spatial data handling facilities. authors: aaa fernandes , a dinn , nw paton , mh williams , o. venue: nan. year: nan", "same": false}
+{"productA": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: vldb. year: 1995", "productB": "title: lore : a database management system for semistructured data. authors: s abiteboul , j mchugh , d quass , j widom , r goldman. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: texor : temporal xml database on an object-relational database system. authors: k n\u00e3 \u00b8 rvag , m limstrand , l myklebust. venue: submitted for publication ,. year: 2002.0", "same": false}
+{"productA": "title: efficient evaluation of xml middle-ware queries. authors: m fernandez , a morishima , d suciu. venue: sigmod conference. year: 2001", "productB": "title: efficient computation of multiple group by queries. authors: z chen , v narasayya. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: construction of relations in relational databases. authors: el lozinskii. venue: acm transactions on database systems ,. year: 1980.0", "same": false}
+{"productA": "title: query optimization by predicate move-around. authors: a levy , i mumick , y sagiv. venue: vldb. year: 1994", "productB": "title: query optimizationby simulatedannealing. authors: yeie wong. venue: proc . of the acm sigmod int &#39; l. conf . on management of. year: nan", "same": false}
+{"productA": "title: a fast index for semistructured data. authors: b cooper , n sample , m franklin , g hjaltason , m shadmon. venue: vldb. year: 2001", "productB": "title: storing semistructured data with stored. authors: a deutsh , m fernandez\u00e2 ? \u00a6. venue: proc of acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: architecture of an open object-oriented database management system. authors: dl wells , ja blakeley , cw thompson. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: architecture for automatic relational database system conversion .. authors: b shneiderman , g thomas. venue: acm transactions on database systems ,. year: 1982.0", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: a new algorithm for faster mining of generalized association rules. authors: j hipp , a myka , r wirth. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: research directions in object-oriented databases. authors: w kim. venue: proc . of the 9th acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: implementing xquery. authors: p cotton. venue: sigmod conference. year: 2002", "productB": "title: implementing the spirit of sql-99. authors: p brown. venue: nan. year: nan", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: answering queries in relational databases. authors: ad ` atri , m moscarini , n spyratos. venue: proceedings of the 1983 acm sigmod international conference & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: peer-to-peer : harnessing the power of disruptive technologies. authors: m nascimento. venue: sigmod record. year: 2003", "productB": "title: andy ( ed . ) , peer-to-peer : harnessing the power of disruptive technologies\u00e2 ?? , sebastapol : o\u00e2 ?? reilly. authors: s oram. venue: see www . ora . com for. year: nan", "same": false}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: enhancing avadability m distributed real-time databases. authors: kj lin , mj lin. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining association rules in hypertext databases. authors: j borges , m levene. venue: rn ,. year: 1999.0", "same": false}
+{"productA": "title: david dewitt speaks out. authors: m winslett. venue: ecord. year: 2002", "productB": "title: jim gray speaks out. authors: m winslett. venue: sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: apex : an adaptive path index for xml data. authors: c chung , j min , k shim. venue: sigmod conference. year: 2002", "productB": "title: al. d ( k ) - index : an adaptive structural summares for graph-based data. authors: c qun. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: efficient view maintenance at data warehouses. authors: t yurek. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: query-preserving watermarking of relational databases and xml documents. authors: d gross-amblard. venue: nan. year: nan", "same": false}
+{"productA": "title: tuple routing strategies for distributed eddies. authors: f tian , d dewitt. venue: vldb. year: 2003", "productB": "title: analysis of distributed db processing strategies. authors: r epstein , m stonebraker. venue: 6th vldb conf. , montreal , que , canada ,. year: nan", "same": false}
+{"productA": "title: the asilomar report on database research. authors: p bernstein , m brodie , s ceri , d dewitt , m franklin , h garcia-molina , j gray , g held , j hellerstein , h jagadish , m lesk , d maier , j naughton , h pirahesh , m stonebraker , j ullman. venue: sigmod record. year: 1998", "productB": "title: the database research group at eth zurich. authors: mc norrie , s blott , hj schek , g weikum. venue: sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: update propagation strategies for improving the quality of data on the web. authors: a labrinidis , n roussopoulos. venue: vldb. year: 2001", "productB": "title: update propagation strategies to improve data freshness in lazy master schemes. authors: e pacitti , e simon. venue: vldb journal ,. year: 1999.0", "same": false}
+{"productA": "title: database management systems and the internet. authors: s malaika. venue: vldb. year: 1996", "productB": "title: patient management systems : the early years. authors: we hammond. venue: proceedings of acm conference on history of medical & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u00e3az , a jaime. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: guest editor 's introduction : information customization. authors: j mostafa. venue: intelligent systems , ieee [ see also ieee expert ] ,. year: 2002.0", "same": false}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: integrating modelling systems for environmental management information systems. authors: dj abel , k taylor , d kuo. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: demonstration : enabling scalable online personalization on the web. authors: k dutta , a datta , d vandermeer , k ramamritham , h thomas. venue: vldb. year: 2000", "productB": "title: personalization : the tailor-made web. authors: c metz. venue: pc magazine ,. year: nan", "same": false}
+{"productA": "title: answering xml queries on heterogeneous data sources. authors: i manolescu , d florescu , d kossmann. venue: vldb. year: 2001", "productB": "title: jo querying heterogeneous information sources using source descriptions. authors: ay levy , a rajaraman. venue: proceedings of the 22th international conference on very. year: nan", "same": false}
+{"productA": "title: databases and workflow management : what is it all about ? ( panel ). authors: a reuter , s ceri , j gray , b salzberg , g weikum. venue: vldb. year: 1995", "productB": "title: databases and workflow management : what . is it all about ? -. authors: p statement. venue: nan. year: nan", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: wong . distributed queryprocessing in relational databasesystems. authors: r epstein , e stonebraker. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: fast algorithems for association rules. authors: r agrawal , r srikant. venue: proc . of 20th vldb conference ,. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: access path selection in a relational database management system. authors: pg selinger , mm astrahan , dd chamberlin. venue: sigmod conference ,. year: 1979.0", "same": false}
+{"productA": "title: data staging for on-demand broadcast. authors: d aksoy , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: balancing pushand pullfordata broadcast. authors: s acharya , m franklin , s zdonik. venue: inproceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: towards self-tuning data placement in parallel database systems. authors: m lee , m kitsuregawa , b ooi , k tan , a mondal. venue: sigmod conference. year: 2000", "productB": "title: dataflow parallel database systems. authors: n podhorszki , p kacsuk. venue: nan. year: nan", "same": false}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: efficient algorithms for mining outliers from large data sets. authors: r sridhar , r rajeev , s kyuseok. venue: proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: multiple queries optimization. authors: t sellis. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: mariposa : a wide-area distributed database system. authors: z qin , w wang , f wu , t lo , p aoki. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: deductive database system. authors: g phippc. venue: proc acn sigmod on management of data ,. year: nan", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the ss\u00e3 \u00b7 - tree : an improved index structure for similarity searches in a high-dimensional feature. authors: r kurniawati , js jin , ja shepherd. venue: nan. year: nan", "same": false}
+{"productA": "title: the naos system. authors: c collet , t coupaye. venue: sigmod conference. year: 1995", "productB": "title: the illiac iv system. authors: wj bouknight , sa denenberg , de mcintyre , jm. venue: proc . ieee ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: r. and shim , k. 1998 . cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi. venue: proc . acm sigmod int . conf . management of data. year: nan", "same": false}
+{"productA": "title: query processing in tertiary memory databases. authors: s sarawagi. venue: vldb. year: 1995", "productB": "title: query processing in sensor networks. authors: y yao , j gehrke. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: process synchronization in database systems. authors: g schlageter. venue: acm transactions on database systems ,. year: 1978.0", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: design and implementation of a genetic-based algorithm for data mining. authors: s choenni. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , j naughton. venue: vldb. year: 1998", "productB": "title: subspace selection for clustering high-dimensional data. authors: c baumgartner , c plant , k kailing , hp kriegel , p. venue: nan. year: nan", "same": false}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: jo querying heterogeneous information sources using source descriptions. authors: ay levy , a rajaraman. venue: proceedings of the 22th international conference on very. year: nan", "same": false}
+{"productA": "title: near neighbor search in large metric spaces. authors: s brin. venue: vldb. year: 1995", "productB": "title: near neighbour search in very large databases. authors: s brin. venue: 21st international conference on very large data. year: nan", "same": false}
+{"productA": "title: qursed : querying and reporting semistructured data. authors: y papakonstantinou , m petropoulos , v vassalos. venue: sigmod conference. year: 2002", "productB": "title: ozone : integrating structured and semistructured data. authors: s abiteboul , r goldman , t lahiri , j mchugh , j. venue: technical report , stanford university database group ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: querying object-oriented databases. authors: m kifer. venue: nan. year: nan", "same": false}
+{"productA": "title: the mirror mmdbms architecture. authors: a vries , m doorn , h blanken , p apers. venue: vldb. year: 1999", "productB": "title: the architecture of simplicity. authors: d miller. venue: the academy of management review ,. year: 1993.0", "same": false}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: alon levy . a scalable algorithm for answering queries using views. authors: r pottinger. venue: proc of the 26th int &#39; l conf on very large data bases ( vldb ) . & hellip ; ,. year: nan", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: query optimization for parallel execution. authors: s ganguly. venue: nan. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the r + - tree : a dynamic index for multi-dimensional objects. authors: s timos , r nick , f christos. venue: proceedings of the 13th vldb conference ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editors ' notes. authors: lf goodchild , ke green , el katz , rc kluever. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: an annotation management system for relational databases. authors: d bhagwat , l chiticariu , wc tan , g vijayvargiya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: a territorial database management system. authors: f antonacci , p dell ` orco , a turtur. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: lf goodchild , ke green , el katz , rc kluever. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization of multiple-relation multiple-disjunct queries. authors: m muralikrishna , dj dewitt. venue: proceedings of the seventh acm sigact-sigmod-sigart & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: ande . teniente . materialized view selection in a multidimensional database. authors: e baralis , s paraboschi. venue: proc . of the 23rd vldb. year: nan", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: storage and retrieval of xml documents using object-relational databases. authors: t shimura , m yoshikawa , s uemura. venue: nan. year: nan", "same": false}
+{"productA": "title: the impact of technology on commercial transaction processing. authors: e cobb. venue: vldb j.. year: 1997", "productB": "title: the impact of information technology on coordination costs : implications for firm productivity. authors: n shin. venue: nan. year: nan", "same": false}
+{"productA": "title: searching in metric spaces with user-defined and approximate distances. authors: p ciaccia , m patella. venue: acm trans . database syst .. year: 2002", "productB": "title: searching in metric spaces by spatial approximation. authors: g navarro. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: advances in databases and information systems ( adbis ). authors: a caplinskas , j eder , o vasilecas. venue: sigmod record. year: 2002", "productB": "title: data modelling in : advances in databases and information systems . 5th east-european conference adbis. authors: eo simonetto , dda ruiz. venue: vilnius , lituania. year: nan", "same": false}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: path constraints on structured and semistructured data. authors: p buneman , w fan , s weinstein. venue: proc . acm pods conference ,. year: nan", "same": false}
+{"productA": "title: theory of answering queries using views. authors: a halevy. venue: sigmod record. year: 2000", "productB": "title: answering queries with aggragates using views. authors: d srivastava , s dar , h jagadish , a levy. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editor\u00e2 ?? s notes. authors: gr maughan. venue: new directions for higher education ,. year: 2001.0", "same": false}
+{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: s ramanathan , j hodges. venue: sigmod record. year: 1997", "productB": "title: a model of queries for object-oriented databases. authors: w kim. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: building knowledge base management systems. authors: j my1opou , vc os , d plexousakis , a shrufi , t. venue: technical report , the vldb journal ( to appear ) ,. year: nan", "same": false}
+{"productA": "title: data management for earth system science. authors: j frew , j dozier. venue: sigmod record. year: 1997", "productB": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: a quantitative analysis and performance study for similarity-search methods in high-dimensional spaces. authors: r weber , h schek , s blott. venue: vldb. year: 1998", "productB": "title: a simple vector-approximation file for similarity search in high-dimensional vector spaces .. authors: s blott , r weber. venue: & hellip ; for informatics systems-eth zentrum , zurich , switzerland ,. year: nan", "same": false}
+{"productA": "title: fast high-dimensional data search in incomplete databases. authors: b ooi , c goh , k tan. venue: vldb. year: 1998", "productB": "title: fast search in main memory databases. authors: aa ap , s pramanik. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: real-time index concurrency control. authors: j haritsa , s seshadri. venue: sigmod record. year: 1996", "productB": "title: optimistic concurrency control. authors: ht kung , jt robinson. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: declaring and checking non-null types in an object-oriented language. authors: m fahndrich. venue: nan. year: nan", "same": false}
+{"productA": "title: mariposa : a wide-area distributed database system. authors: m stonebraker , p aoki , w litwin , a pfeffer , a sah , j sidell , c staelin , a yu. venue: vldb j.. year: 1996", "productB": "title: sddl : a system for distributed databases. authors: jb rothnie\u00e2 ? \u00a6. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: a iserles , sp n\u00e3 \u00b8 rsett. venue: nan. year: nan", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining association rules between sets of items in large databases. authors: ra as941 , t imielinksi , a swami. venue: proc . of the acm sigmod int\u00e2 ?? l conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: query processing in a system for distributed databases ( sdd-1 ). authors: n goodman , pa bernstein , e wong , cl reeve , jb. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: s venkataraman , t zhang. venue: vldb. year: 1998", "productB": "title: on semantic query optimization in deductive databases. authors: lvs lakshmanan , r missaoui. venue: nan. year: nan", "same": false}
+{"productA": "title: xmas : an extensible main-memory storage system for high-performance applications. authors: j park , y kwon , k kim , s lee , b park , s cha. venue: sigmod conference. year: 1998", "productB": "title: datablitz storage manager : main memory database performance for critical applications. authors: j baulier , p bohannon , s gogate , c gupta , s haldar. venue: proc . of the acm sigmod int\u00e2 ?? l. conf . on the management of & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm transactions on database systems ,. year: 2001.0", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: view maintenance in mobile computing. authors: o wolfson , p sistla , s dao. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: database evolution in the o 2 database system. authors: f ferrandina , g ferran , j mdec , t meyer , r zicari. venue: proceedings of the 21st international conference on very. year: nan", "same": false}
+{"productA": "title: picture programming project. authors: n goyal , c hoch , r krishnamurthy , b meckler , m suckow , m zloof. venue: sigmod conference. year: 1997", "productB": "title: programming ado. authors: d sceppa. venue: nan. year: 2000.0", "same": false}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: algorithms for loading object databases. authors: jl wiener. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: ozone : integrating structured and semistructured data. authors: s abiteboul , r goldman , t lahiri , j mchugh , j. venue: technical report , stanford university database group ,. year: nan", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: research in database engineering at the university of namur. authors: jl hainaut. venue: sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregations. authors: s agarwal , r agrawal , pm deshpande\u00e2 ? \u00a6. venue: proc . of the 22nd vldb conference , india ,. year: nan", "same": false}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: parametric query optimization. authors: a hulgeri. venue: nan. year: 2004.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: integrating xml data with relational databases. authors: wc lee , g mitchell , x zhang. venue: icdcs workshop of knowledge discovery and data mining in the & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: graphical interaction with heterogeneous databases. authors: t catarci , g santucci , j cardiff. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: on views and xml. authors: s abiteboul. venue: sigmod record. year: 1999", "productB": "title: on database theory and xml. authors: d sicui. venue: sigmod. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: j harmer , j turnbull. venue: bt technology journal ,. year: 2002.0", "same": false}
+{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: s ceri , p fraternali , s paraboschi , g psaila. venue: sigmod conference. year: 1995", "productB": "title: an active and deductive object-oriented data model. authors: g guerrini. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental data structures and algorithms for dynamic query interfaces. authors: e tanin , r beigel , b shneiderman. venue: sigmod record. year: 1996", "productB": "title: architectures and algorithms for internet-scale ( p2p ) data management. authors: jm hellerstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference. year: 1999", "productB": "title: the cedar database management system. authors: m brown\u00e2 ? \u00a6. venue: proc . 1981 acmsigmod conference on management of data , ann & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dk doan , nw paton , a kilgour. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb j.. year: 2000", "productB": "title: equi-depth histograms for estimating selectivity factors for multi-dimensional queries .. authors: acms anthology , p edition. venue: nan. year: nan", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: functional completeness in object-oriented databases. authors: p mishra , m eich. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: an efficient clustering for large database. authors: s guha , r rastogi , k shim. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: peer-to-peer : harnessing the power of disruptive technologies. authors: m nascimento. venue: sigmod record. year: 2003", "productB": "title: harnessing the power of disruptive technologies. authors: ao peer-to-peer. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to ip networks. authors: s challinor. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: parallel evaluation of multi-join queries. authors: a wilschut , j flokstra , p apers. venue: sigmod conference. year: 1995", "productB": "title: optimization of parallel execution for multi-join queries. authors: ms chen , ps yu , kl wu. venue: nan. year: nan", "same": false}
+{"productA": "title: minimal probing : supporting expensive predicates for top-k queries. authors: k chang , s hwang. venue: sigmod conference. year: 2002", "productB": "title: won hwang s ( 2002 ) minimal probing : supporting expensive predicates for top-k queries. authors: k chen-chuan chang. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: m tamura , m kitsuregawa. venue: vldb. year: 1999", "productB": "title: dynamic multi-resource load balancing in parallel db systems. authors: e rahm , r marek. venue: international conf . on very large data bases ( vldb ) ,. year: nan", "same": false}
+{"productA": "title: a framework for information visualisation. authors: j kennedy , k mitchell , p barclay. venue: sigmod record. year: 1996", "productB": "title: an information quality management framework for cooperative information systems. authors: p missier , c batini. venue: nan. year: nan", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: implementation of views and integrity constraints in relational data base systems by query. authors: m stonebraker. venue: proc . 1.975 sigmod workshop on management of data , san jose , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: progressive evaluation of nested aggregate queries. authors: k tan , c goh , b ooi. venue: vldb j.. year: 2000", "productB": "title: progressive approximate aggregate queries with a multi-resolution tree structure. authors: i lazaridis , s mehrotra. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record. year: 2002", "productB": "title: implementation and research issues in query processing for wireless sensor networks. authors: w hong , s madden. venue: nan. year: nan", "same": false}
+{"productA": "title: local dimensionality reduction : a new approach to indexing high dimensional spaces. authors: k chakrabarti , s mehrotra. venue: vldb. year: 2000", "productB": "title: semantics-preserving dimensionality reduction : rough and fuzzy-rough-based approaches. authors: r jensen , q shen. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: qbic : query by image and video content. authors: m flickner , h sawhney , w niblack , j ashley , q. venue: ieee computer ,. year: nan", "same": false}
+{"productA": "title: fast incremental maintenance of approximate histograms. authors: p gibbons , y matias , v poosala. venue: vldb. year: 1997", "productB": "title: n , l. libkin , incremental maintenance of views with duplicates. authors: t gri. venue: proceedings of the acm-sigmod conference ,. year: nan", "same": false}
+{"productA": "title: reasoning on regular path queries. authors: d calvanese , g giacomo , m lenzerini , m vardi. venue: sigmod record. year: 2003", "productB": "title: y. vardi , rewriting of regular expressions and regular path queries. authors: d calvanese , g degiacomo , m lenzeriniandm. venue: proc . of the 18th acm sigact sigmod sigart symp . on. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: the wasa2 object-oriented workflow management system. authors: g vossen , m weske. venue: sigmod conference ,. year: 1999.0", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: mining association rules with improved semantics in medical databases. authors: m delgado , ma vila. venue: artificial intelligence in medicine ,. year: 2001.0", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: design and implementation of the relationlog deductive database system. authors: m liu , r shan. venue: nan. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: changing the rules : transformations for rule-based optimizers. authors: m cherniack , s zdonik. venue: sigmod conference. year: 1998", "productB": "title: web application transformations based on rewrite rules. authors: id baxter , f ricca , p tonella. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: the sift information dissemination system. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: selective information dissemination in p2p networks. authors: m koubarakis , c tryfonopoulos , s idreos , y drougas. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: efficient evaluation of queries in a web query optimizer. authors: v zadorozhny , l raschid , t urhan\u00e2 ? \u00a6. venue: proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: in reply to domains , relations and religious wars. authors: h darwen. venue: sigmod record. year: 1996", "productB": "title: domains , relations and religious wars. authors: s rcamp , i ls. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: lopix : a system for xml data integration and manipulation. authors: w may. venue: vldb. year: 2001", "productB": "title: a commercial xml data integration system : lessons learned. authors: d draper , a halevy , ds weld. venue: proc . of acm sigmod conf . on data management ,. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: an approach to storing semistructured data in relational databases. authors: kv magalhaes. venue: msc thesis , department of computer science , federal university. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: storing semistructured data in relations. authors: a deutsch , m fernandez , d suciu. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient evaluation of xml middle-ware queries. authors: m fernandez , a morishima , d suciu. venue: sigmod conference. year: 2001", "productB": "title: temporal slicing in the evaluation of xml queries. authors: d gao , rt snodgrass. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: guest editor 's introduction. authors: n verloop. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: the microsoft repository. authors: p bernstein , b harry , p sanders , d shutt , j zander. venue: vldb. year: 1997", "productB": "title: versions and workspaces in microsoft repository. authors: tbpab shankar , pd shutt. venue: nan. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: translating object-oriented database transactions into relational transactions. authors: j fong. venue: information & software technology ,. year: 2002.0", "same": false}
+{"productA": "title: database research at nthu and itri. authors: a chen. venue: sigmod record. year: 1994", "productB": "title: database research at ut arlington. authors: s chakravarthy , a aslandogan , r elmasri , l fegaras. venue: acm sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: system-level concurrency control for distributed database systems acm trans. authors: d rosenkrantz , r stearns , p lewis. venue: database syst ,. year: nan", "same": false}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: roles of agents in data-intensive web sites. authors: hbengaa ali , ben ammar. venue: nan. year: nan", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: ramakrishnan srikant fast algorithms for mining association rules. authors: r agrawal. venue: proc . 20th tnt . conf very large data bases ,. year: nan", "same": false}
+{"productA": "title: distance browsing in spatial databases. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 1999", "productB": "title: research issues in spatial databases. authors: o gunther , a buchmann. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: the role of integrity constraints in database interoperation. authors: m vermeer , p apers. venue: vldb. year: 1996", "productB": "title: th\u00e3 \u00a9 mis : a database programming language with integrity constraints .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , jf. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: insight into object-oriented databases. authors: s khoshafian. venue: information and software technology ,. year: 1990.0", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: a very efficient order preserving scalable distributed data structure. authors: a di pasquale , e nardelli. venue: nan. year: nan", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2002", "productB": "title: sigcas chair 's message. authors: cd martin. venue: computers and society ,. year: nan", "same": false}
+{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: sigmod conference. year: 2002", "productB": "title: bidirectional expansion for keyword search on graph databases. authors: v kacholia , s pandit , s chakrabarti , s sudarshan ,. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: an object-oriented approach to database system implementation. authors: a james baroody jr , dj dewitt. venue: acm trans . database syst ,. year: 1981.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: temporal data management. authors: a shoshani. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: the impact of global clustering on spatial database systems. authors: t brinkhoff , h kriegel. venue: vldb. year: 1994", "productB": "title: an introduction to spatial database systems. authors: rh gtlting. venue: spatial database systems of the vldb journal ,. year: nan", "same": false}
+{"productA": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: concurrency control and recovery in database systems. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: vldb j.. year: 1996", "productB": "title: query scheduling and optimization in parallel and multimedia databases. authors: mn garofalakis. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: exploiting constraint-like data characterizations in query optimization. authors: p godfrey , j gryz , c zuzarte. venue: sigmod conference. year: 2001", "productB": "title: constrained optimalities in query personalization. authors: g koutrika , y ioannidis. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: ownership types and safe lazy upgrades in object-oriented databases. authors: c boyapati , b liskov , l shrira. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: nan. venue: nan. year: 1997", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the x-tree : an index structure for highdimensional data . 2 & nd vldb. authors: s berchtold , da keim , hp kriegel. venue: mumbai ( bombay ) , india , sept ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: efficient mining of association rules in large dynamic databases. authors: e omiecinski , a savasere. venue: nan. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on active databases. authors: u jaeger , j freytag. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on schema integration for mobile databases. authors: jl tan. venue: nan. year: nan", "same": false}
+{"productA": "title: promises and realities of active database systems. authors: e simon , a dittrich. venue: vldb. year: 1995", "productB": "title: a transaction model for mobile and active database systems. authors: o zukunft. venue: proceedings of the 23rd seminar on current trends in theory & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: oz + : an object-oriented database system. authors: sp weiser , fh lochovsky. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: eliminating fuzzy duplicates in data warehouses. authors: r ananthakrishna , s chaudhuri , v ganti. venue: vldb. year: 2002", "productB": "title: issues in developing very large data warehouses. authors: l do , p drew , w jin , v jumani , d van rossum. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: temporal aggregation in active databases. authors: i motakis , c zaniolo. venue: int . conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: metadata in video databases. authors: r jain , a hampapur. venue: sigmod record. year: 1994", "productB": "title: metadata management in outsourced encrypted databases. authors: e damiani , sdc di vimercati , s foresti , s jajodia ,. venue: nan. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: jd the theory of joins in relational databases. authors: av aho , c beam , n ull. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: implementation of logical query languages for databases. authors: jd ullman. venue: acm transactions on database systems ,. year: 1985.0", "same": false}
+{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , e rundensteiner. venue: sigmod conference. year: 2001", "productB": "title: view maintenance in a warehousing environment. authors: y zhung , mh garcia , j hammer\u00e2 ? \u00a6. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: characterizing memory requirements for queries over continuous data streams. authors: j widom. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: formal foundations for optimising aggregation functions in database programming languages. authors: a poulovassilis , c small. venue: nan. year: nan", "same": false}
+{"productA": "title: real-time index concurrency control. authors: j haritsa , s seshadri. venue: sigmod record. year: 1996", "productB": "title: index concurrency control in firm real-time databases. authors: sr narayanan. venue: nan. year: 1997.0", "same": false}
+{"productA": "title: data partitioning and load balancing in parallel disk systems. authors: p scheuermann , g weikum , p zabback. venue: vldb j.. year: 1998", "productB": "title: dynamic load balancing in parallel database systems. authors: e rahm. venue: nan. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: buer managementin relational database systems. authors: gm sacco , m schkolnick. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: ranksql : supporting ranking queries in relational database management systems. authors: c li , ma soliman , kcc chang , if ilyas. venue: vldb , demonstration ,. year: 2005.0", "same": false}
+{"productA": "title: data page layouts for relational databases on deep memory hierarchies. authors: a ailamaki , d dewitt , m hill. venue: vldb j.. year: 2002", "productB": "title: query languages for relational multidatabases. authors: j grant , w litwin , n roussopoulos , t sellis. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: view definition in an object-oriented database. authors: s monk. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: storing semistructured data with stored. authors: a deutsh , m fernandez\u00e2 ? \u00a6. venue: proc of acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: opt + + : an object-oriented implementation for database query ( ) plimiza | ion. authors: n kabra , d dewitt. venue: submitted for publication , february ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: aurora : a data stream management system. authors: dj abadi , d carney , u cetintemel , m cherniack , c. venue: nan. year: nan", "same": false}
+{"productA": "title: semantic caching of web queries. authors: b chidlovskii , u borghoff. venue: vldb j.. year: 2000", "productB": "title: semantic cache mechanism for heterogeneous web querying. authors: b chidlovskii , c roncancio , ml schneider. venue: www8 / computer networks ,. year: 1999.0", "same": false}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: data allocation in distributed database systems. authors: pmg apers. venue: acm transactions on database. year: 1988.0", "same": false}
+{"productA": "title: ofl : a functional execution model for object query languages. authors: g gardarin , f machuca , p pucheral. venue: sigmod conference. year: 1995", "productB": "title: fql : a functional query language. authors: p buneman , re frankel. venue: proceedings of the 1979 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2000", "productB": "title: editorial. authors: pd o'brien , pj kearney. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a taxonomy for object-oriented secure databases [ j ]. authors: so martin , hvons sebastian. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the mlpq/gis constraint database. authors: pz revesz , r chen , p kanjamala , y li , y liu , y. venue: proceedings of sigmod 2000 ,. year: nan", "same": false}
+{"productA": "title: active views for electronic commerce. authors: s abiteboul , b amann , s cluet , a eyal , l mignet , t milo. venue: vldb. year: 1999", "productB": "title: the consumer needs in global electronic commerce. authors: a balfour , b farquhar , g langmann. venue: electronic markets ,. year: nan", "same": false}
+{"productA": "title: constraints for semi-structured data and xml. authors: p buneman , w fan , j sim\u0449on , s weinstein. venue: sigmod record. year: 2001", "productB": "title: data on the web : from relations to semistructured data and xml. authors: s abiteboul. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: provision of market services for eco compliant electronic market places. authors: s arpinar , a dogac. venue: sigmod record. year: 2000", "productB": "title: competitive strategies for electronic marketplaces. authors: drt kollmann. venue: electronic markets ,. year: 2000.0", "same": false}
+{"productA": "title: recovery protocols for shared memory database systems. authors: l molesky , k ramamritham. venue: sigmod conference. year: 1995", "productB": "title: generic database cost models for hierarchical memory systems. authors: s manegold , pa boncz , ml kersten. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: t2 : a customizable parallel database for multi-dimensional data .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial. authors: a el abbadi , g schlageter , ky whang. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: versioning and configuration management in an object-oriented data model. authors: e sciore. venue: vldb j.. year: 1994", "productB": "title: methodology for index configurations in object-oriented databases. authors: ks sang , jl yoon. venue: information sciences ,. year: 1996.0", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: integration of data mining and relational databases. authors: a netz , s chaudhuri , j bernhardt , u fayyad. venue: proc .. year: 2000.0", "same": false}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the hybrid tree : an index structure for high dimensional feature spaces. authors: k chakrabarti , s mehrotra. venue: nan. year: nan", "same": false}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: source international conference on management of data archive. authors: jm peckman , s ram , m franklin. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": false}
+{"productA": "title: relaxed transaction processing. authors: m singh , c tomlinson , d woelk. venue: sigmod conference. year: 1994", "productB": "title: distributed transaction processing facilities. authors: az spector. venue: acm press frontier series ,. year: 1990.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: safe query languages for constraint databases. authors: pz revesz. venue: acm transactions on database systems ,. year: 1998.0", "same": false}
+{"productA": "title: xl : a platform for web services. authors: d florescu , a gr\u045cnhagen , d kossmann , s rost. venue: sigmod conference. year: 2002", "productB": "title: a management platform for commercial web services. authors: jr hill. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: security of random data perturbation methods. authors: k muralidhar , r sarathy. venue: acm trans . database syst .. year: 1999", "productB": "title: a modified random perturbation for database security. authors: p tendick , n matloff. venue: acm transactions on database systems ,. year: 1994.0", "same": false}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: dbxplorer : a system for keyword-based search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: nan. year: nan", "same": false}
+{"productA": "title: data management for pervasive computing. authors: m cherniack , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: challenges : an application model for pervasive computing. authors: g banavex , j beck , e gluzberg , j munson , j sussman. venue: proc . acm mobigom ,. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: a syntax and semantics for set-oriented production rules in relational database systems. authors: j widom. venue: sigmod record ,. year: 1989.0", "same": false}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: dynamically distributed query evaluation. authors: j trevor , d suciu. venue: proceedings of the twentieth acm sigmod-sigact-sigart. year: nan", "same": false}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: record subtype facilities in database systems. authors: ir palmer. venue: nan. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: mt norris , pa martin. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: data stream query processing : a tutorial. authors: nan. venue: nan. year: 2003", "productB": "title: online query processing : a tutorial. authors: pj haas , jm hellerstein. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: continuous nearest neighbor search. authors: y tao , d papadias , q shen. venue: vldb. year: 2002", "productB": "title: optimal multi-step k-nearest neighbor search. authors: t seidl , hp kriegel. venue: nan. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: r. and shim , k. 1998 . cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi. venue: proc . acm sigmod int . conf . management of data. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: a database management system for the federal courts. authors: jr buchanan , rd fennell , h samet. venue: acm transactions on database systems ,. year: 1984.0", "same": false}
+{"productA": "title: the zero-delay data warehouse : mobilizing heterogeneous databases. authors: e k\u045chn. venue: vldb. year: 2003", "productB": "title: data manipulation in heterogeneous databases. authors: a segev , a chatterjee. venue: sigmod. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1997", "productB": "title: editor 's notes. authors: sm richardson. venue: new directions for teaching and learning ,. year: 1999.0", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: mining large itemsets for association rules. authors: cc aggarwal , ps yu. venue: nan. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: spatial indexing of high-dimensional data based on relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: answering queries with useful bindings. authors: c li , e chang. venue: acm trans . database syst .. year: 2001", "productB": "title: answering sql queries using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: proc . of vldb ,. year: nan", "same": false}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: multimedia database management systems. authors: a ghafoo17. venue: acm computing surveys ,. year: 1995.0", "same": false}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: query languages for relational multidatabases. authors: j grant , w litwin , n roussopoulos , t sellis. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: transaction management in an object-oriented database system , acm sigmod int. authors: j garza , w kim. venue: conf . on management of data , chicago , illinois ,. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: dynamic query optimization plans. authors: g graefe , k ward. venue: proceedings of acm-sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: implementing lazy database updates for an object database system. authors: f ferrandina , t meyer , r zicari. venue: vldb. year: 1994", "productB": "title: implementation techniques for main memory database systems. authors: dj dewitt , rh katz , f olken , ld shapiro , mr. venue: proceedings of the 1984 acm sigmod international conference & hellip ; ,. year: 1984.0", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi ,. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: the ccube constraint object-oriented database. authors: a brodsky , ve segal , j chen , pa exarkhopoulo. venue: proc . acm sigmod conf . on management of. year: nan", "same": false}
+{"productA": "title: fast incremental indexing for full-text information retrieval. authors: e brown , j callan , w croft. venue: vldb. year: 1994", "productB": "title: bruce croft : fast incremental indexing for full-text information retrieval. authors: w eric , p brown james , w callan. venue: proc . of the 20th inter . conf . on very large databases ( vldb & hellip ; ,. year: nan", "same": false}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: prism : a knowledge based system for semantic integrity specification and enforcement in database. authors: a shepherd , l kerschberg. venue: proceedings of the 1984 acm sigmod international conference & hellip ; ,. year: 1984.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: view definition in an object-oriented database. authors: s monk. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: online aggregation. authors: j hellerstein , p haas , h wang. venue: sigmod conference. year: 1997", "productB": "title: eager aggregation and lazy aggregation. authors: pa larson , wp yan. venue: nan. year: nan", "same": false}
+{"productA": "title: proceedings of the 2002 acm sigmod international conference on management of data , madison , wisconsin , june 3-6 , 2002. authors: nan. venue: nan. year: 2002", "productB": "title: source international conference on management of data archive. authors: a tiwary , m franklin. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: dwms : data warehouse management system. authors: n mohan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: fault-tolerant architectures for continuous media servers. authors: b \u0436zden , r rastogi , p shenoy , a silberschatz. venue: sigmod conference. year: 1996", "productB": "title: fault tolerant design of multimedia servers. authors: sbl golubchik , rr muntz. venue: i > sigmod record , < / i ,. year: nan", "same": false}
+{"productA": "title: the mlpq/gis constraint database system. authors: p revesz , r chen , p kanjamala , y li , y liu , y wang. venue: sigmod conference. year: 2000", "productB": "title: the ccube constraint object-oriented database system : an overview. authors: a brodsky , ve segal. venue: proc . second international workshop on constraint database & hellip ; ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: the ccube constraint object-oriented database system : an overview. authors: a brodsky , ve segal. venue: proc . second international workshop on constraint database & hellip ; ,. year: nan", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: dynamic query interpretation in relational databases. authors: ad ` atri , p di felice , m moscarini. venue: proceedings of the sixth acm sigact-sigmod-sigart symposium & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , tlh schwarz. venue: res . rep. ceria , u. dauphine ( sept. .. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: jd the theory of joins in relational databases. authors: av aho , c beam , n ull. venue: acm trans . database syst ,. year: nan", "same": false}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a framework for class partitioning in object-oriented databases. authors: k karlapalem , q li. venue: distributed and parallel databases ,. year: 2000.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: j harmer , j turnbull. venue: bt technology journal ,. year: 2002.0", "same": false}
+{"productA": "title: user-cognizant multidimensional analysis. authors: s sarawagi. venue: vldb j.. year: 2001", "productB": "title: vida : an environment for multidimensional image display and analysis. authors: ea hoffman , d gnanaprakasam , kb gupta , jd hoford ,. venue: proc spie ,. year: 1992.0", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: optimization of sequence queries in database systems. authors: r sadri , c zaniolo , a zarkesh , j adibi. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: nan. venue: nan. year: 2001", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: report on the 1995 international workshop on temporal databases. authors: nan. venue: nan. year: 1995", "productB": "title: workshop report : international workshop on distributed object management. authors: mt \u00e3?zsu , u dayal , p valduriez. venue: acm sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: gte superpages : using ir techniques for searching complex objects. authors: s whitehead , h sinha , m murphy. venue: vldb. year: 1997", "productB": "title: implementation techniques of complex objects. authors: p valduriez , gp copeland. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: business process cockpit. authors: m sayal , f casati , u dayal , m shan. venue: vldb. year: 2002", "productB": "title: business process coordination : state of the art. authors: u dayal , m hsu , r ladin. venue: trends and open issues . ( 2001 ) at proceedings of the 27th & hellip ; ,. year: nan", "same": false}
+{"productA": "title: distributed query evaluation on semistructured data. authors: d suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: qursed : querying and reporting semistructured data. authors: y papakonstantinou , m petropoulos , v vassalos. venue: nan. year: nan", "same": false}
+{"productA": "title: time-parameterized queries in spatio-temporal databases. authors: y tao , d papadias. venue: sigmod conference. year: 2002", "productB": "title: preference queries in relational databases. authors: j chomicki. venue: acm transactions on database systems . to. year: nan", "same": false}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: duplicates and aggregates in deductive databases. authors: is muiviick , h pirahesh , r ramakrishnan. venue: proceedings of the 16th international vldb con & ence ( brisbane & hellip ; ,. year: nan", "same": false}
+{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: sigmod conference. year: 2002", "productB": "title: uxquery : building updatable xml views over relational databases. authors: v braganholo , s davidson , ca heuser. venue: nan. year: nan", "same": false}
+{"productA": "title: query processing techniques for arrays. authors: a marathe , k salem. venue: vldb j.. year: 2002", "productB": "title: query processing techniques for caching expensive methods. authors: j hellerstein , j naughton. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: efficient index structures for string databases. authors: t kahveci , a singh. venue: vldb. year: 2001", "productB": "title: a data model and data structures for moving objects databases. authors: e nardelli , m schneider , l forlizzi , rh g\u00e3 1/4 ting. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: knowledge based information integration systems. authors: nw paton , ca goble , s bechhofer. venue: information & software technology ,. year: 2000.0", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: an annotation management system for relational databases. authors: d bhagwat , l chiticariu , wc tan , g vijayvargiya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: parallel database systems in the 1990 's. authors: m carey. venue: sigmod conference. year: 1994", "productB": "title: declarative constraints in sql database systems. authors: r cochrane , h pirahesh , n mattos , i triggers. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: automation in information extraction and data integration. authors: nan. venue: nan. year: 2002", "productB": "title: a survey of semi-automatic extraction and transformation. authors: a crespo , j jannink , e neuhold , m rys , r studer. venue: submitted to. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on active databases. authors: u jaeger , j freytag. venue: sigmod record. year: 1995", "productB": "title: annotated bibliography on topics related to. authors: s arabia , ua emirates. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: mining generalized association rules. authors: s ramakrishnan , a rakesh. venue: proceedings of 21 stvldb conference , zurich , switzerland ,. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: analytic models for database management system. authors: i miyamoto. venue: proc . of int . conf . on vldb , sept ,. year: nan", "same": false}
+{"productA": "title: a new method for similarity indexing of market basket data. authors: c aggarwal , j wolf , p yu. venue: sigmod conference. year: 1999", "productB": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: applying database visualization to the world wide web. authors: mz hasan , ao mendelzon , d vista. venue: sigmod record ,. year: 1996.0", "same": false}
+{"productA": "title: editor 's notes. authors: nan. venue: nan. year: 2001", "productB": "title: editor 's notes. authors: l sechrest. venue: new directions for program evaluation ,. year: 1993.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: stream : the stanford data stream management system. authors: a arasu , b babcock , s babu , j cieslewicz , m datar ,. venue: nan. year: nan", "same": false}
+{"productA": "title: qursed : querying and reporting semistructured data. authors: y papakonstantinou , m petropoulos , v vassalos. venue: sigmod conference. year: 2002", "productB": "title: capturing and querying multiple aspects of semistructured data. authors: ce dyreson , mh bohlen , cs jensen. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: completeness of query languages for the entity-relationship model .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: research issues in spatial databases. authors: o gunther , a buchmann. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: the architecture of an act , ve data base management system. authors: dr mccarthy , u dayal. venue: proceedings of the acm sigmod conference ( portland , or , may. year: nan", "same": false}
+{"productA": "title: review of data on the web : from relational to semistructured data and xml by serge abiteboul , peter buneman , and dan suciu . morgan kaufmann 1999. authors: nan. venue: nan. year: 2003", "productB": "title: data on the web : from relations to semistructured data and xml. authors: s abiteboul. venue: nan. year: 1999.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining multiple-level association rules in large databases. authors: j han , y fu. venue: nan. year: nan", "same": false}
+{"productA": "title: dynamic multidimensional histograms. authors: n thaper , s guha , p indyk , n koudas. venue: sigmod conference. year: 2002", "productB": "title: maintenance of multidimensional histograms. authors: s muthukrishnan , m strauss. venue: nan. year: nan", "same": false}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: batch data warehouse maintenance in dynamic environments. authors: b liu , s chen , ea rundensteiner. venue: nan. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: nan. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: priority-based scheduling in real-time database systems , ''. authors: sh son , ch chang. venue: proceedings of the 15th vldb conference ,. year: nan", "same": false}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: query by image and video content : the qbic { system . technical report rj 9949 ( 87908 ). authors: m flickner , h sawhney , w niblack , j ashley , q. venue: ibm almaden research center , san jose ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the architecture of an active data base management system. authors: dr mecartny , u dayal. venue: proc . acm sigmod , portland ,. year: nan", "same": false}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: object exchange across heterogeneous information sources. authors: mj carey , lm haas , pm schwarz , m arya , wf cody , r. venue: technical report , stanford university ,. year: nan", "same": false}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: set-oriented production rules in relational database systems. authors: portal.acm.org. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient progressive skyline computation. authors: k tan , p eng , b ooi. venue: vldb. year: 2001", "productB": "title: efficient robust parallel computations. authors: zm kedem , kv palem , pg spirakis. venue: proceedings of the twenty-second annual acm symposium on & hellip ; ,. year: 1990.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: online dynamic reordering. authors: v raman , b raman , j hellerstein. venue: vldb j.. year: 2000", "productB": "title: online dynamic reorderingfor interactive data processing. authors: jm hellerstein , v raman , b raman. venue: proc . intl\u00e2 ?? conf . on very large data bases ,. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: parallel mining algorithms for generalized association rules with classification. authors: t shintani , m kitsuregawa. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: m stonebraker. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: bv gray. venue: journal of research in science teaching ,. year: 1999.0", "same": false}
+{"productA": "title: communication efficient distributed mining of association rules. authors: a schuster , r wolff. venue: sigmod conference. year: 2001", "productB": "title: efficient algorithms for discovering association rules. authors: h mannila , h toivonen. venue: nan. year: nan", "same": false}
+{"productA": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: y zhao , p deshpande , j naughton. venue: sigmod conference. year: 1997", "productB": "title: optimization algorithms for simultaneous multidimensional queries in olap environments. authors: p kalnis , d papadias. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction : assuring software quality assurance. authors: jm voas. venue: ieee software ,. year: 2003.0", "same": false}
+{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: c fung , k karlapalem , q li. venue: vldb j.. year: 2003", "productB": "title: methodology for index configurations in object-oriented databases. authors: ks sang , jl yoon. venue: information sciences ,. year: 1996.0", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the social system. authors: t parson. venue: new york ,. year: nan", "same": false}
+{"productA": "title: report on the 1995 international workshop on temporal databases. authors: nan. venue: nan. year: 1995", "productB": "title: report on mobide 2003 : the 3rd international acm workshop on data engineering for wireless and. authors: s banerjee , m cherniack , v kumar , pk chrysanthis ,. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: integrity constraints checking in deductive databases. authors: vldb.org. venue: vldb ,. year: 1991.0", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: construction of relations in relational databases. authors: el lozinskii. venue: acm transactions on database systems ,. year: 1980.0", "same": false}
+{"productA": "title: information management for genome level bioinformatics. authors: nan. venue: nan. year: 2001", "productB": "title: personal information management with semex. authors: y cai , xl dong , a halevy , jm liu , j madhavan. venue: proceedings of the 2005 acm sigmod international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: advances in real-time database systems research. authors: a bestavros. venue: sigmod record. year: 1996", "productB": "title: maintaining security in firm real-time database systems. authors: qn ahmed , sv vrbsky. venue: nan. year: nan", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: optimization of extended database query languages. authors: t seuis , l shapiro. venue: acm sigmod international conference on the management of. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: ohlen . temporal database system implementations. authors: b mh. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: incorporating computed relations in relational databases. authors: d maier , ds warren. venue: nan. year: nan", "same": false}
+{"productA": "title: the impress ddt : a database design toolbox based on a formal specification language. authors: j flokstra , m keulen , j skowronek. venue: sigmod conference. year: 1994", "productB": "title: the database design language gem. authors: c zaniola. venue: acm sigmod international conference on management of. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: semantics and implementation of schema evolution in object-oriented databases '' , procs. authors: j banerjee , w kim , hj kim , hf korth. venue: & hellip ; conference on management of data , san francisco , california ,. year: nan", "same": false}
+{"productA": "title: shooting stars in the sky : an online algorithm for skyline queries. authors: d kossmann , f ramsak , s rost. venue: vldb. year: 2002", "productB": "title: seeger : , b. 2003 . an optimal and progressive algorithm for skyline queries. authors: d papadias , y tao , g fu. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: a fast algorithm for code movement optimization. authors: dm dhamdhere. venue: acm sigplan notices ,. year: 1988.0", "same": false}
+{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: w liang , m orlowska , j yu. venue: vldb j.. year: 2000", "productB": "title: a fondationfor multidimensional databases. authors: m gyssens , l lakshmanan. venue: proceedings of the 23rd vldb. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: implementation of the coral deductive database system. authors: r ramakrishnan , d srivastava , s sudarshan , p. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: query processmg ma relauonal database management system. authors: k youssefi , e wong. venue: proceedmgs of 1979 vldb conference ,. year: nan", "same": false}
+{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: a keller , j basu. venue: vldb j.. year: 1996", "productB": "title: divergence caching in client-server architectures. authors: y huang , rh sloan , o wolfson. venue: parallel and distributed information systems , 1994. , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor\u00e2 ?? s introduction. authors: tnd independence. venue: sigmod record ,. year: 2003.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a model for schema evolution in object-oriented database systems. authors: s monk. venue: nan. year: nan", "same": false}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: the database research group at eth zurich. authors: mc norrie , s blott , hj schek , g weikum. venue: sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: database research at the university of oklahoma. authors: l gruenwald , l brown , r dirckze , s guinepain , c s\u0441nchez , b summers , s vanichayobon. venue: sigmod record. year: 1999", "productB": "title: database research at nthu and itri .. authors: alp chen. venue: sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: parallel database systems 101. authors: j gray. venue: sigmod conference. year: 1995", "productB": "title: shared-nothing paralel database systems. authors: m manish , d dewitt. venue: vldb journal ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: sqlj : java and relational databases. authors: g clossman. venue: nan. year: 1998.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: gaps in perception ( guest editorial ). authors: ma heller. venue: perception ,. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining optimized association rules for numeric data. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: naos-e-cient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , h svensen. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: random sampling from relational databases. authors: f olken , d rotem. venue: proc . vldb &#39; 86 twelfth international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: implementing the spirit of sql-99. authors: p brown. venue: sigmod conference. year: 1999", "productB": "title: implementing the tate pairing. authors: sd galbraith , k harrison , d soldera. venue: lecture notes in computer science ,. year: 2002.0", "same": false}
+{"productA": "title: quality of service in multimedia digital libraries. authors: e bertino , a elmagarmid , m hacid. venue: sigmod record. year: 2001", "productB": "title: towards interoperability in digital libraries. authors: a paepcke , s cousins , h garcia-molina. venue: nan. year: nan", "same": false}
+{"productA": "title: analysis of locking behavior in three real database systems. authors: v singhal , a smith. venue: vldb j.. year: 1997", "productB": "title: analysis of recovery in a database system using a write-ahead log protocol. authors: a jhingran , p khedkar. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: dynamic information visualization. authors: y ioannidis. venue: sigmod record. year: 1996", "productB": "title: information integration. authors: a levy. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: vldb ,. year: 1999.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: migrating relational databases to object technology. authors: a behm. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: fast algorithms for mining generalized association rules. authors: r agrawal , r srikant. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: dg young. venue: nan. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: a survey of research and development in distributed database management. authors: jb rothnie , n goodman. venue: vldb ,. year: 1977.0", "same": false}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: on the computation of multidimensional aggregations. authors: s agarwal , r agrawal , pm deshpande\u00e2 ? \u00a6. venue: proc . of the 22nd vldb conference , india ,. year: nan", "same": false}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: efiienr processing of spatial joins using r-trees. authors: t brink & ff , hp kriegel , b seeger. venue: proc . acm sigmod int . conf . on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an effective hash-based algorithm for mining association rules . in : proc . of the 1995 acm sigmod. authors: js park. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: mining long sequential patterns in a noisy environment. authors: j yang , w wang , p yu , j han. venue: sigmod conference. year: 2002", "productB": "title: mining sequential patterns across data streams. authors: g chen , x wu , x zhu. venue: nan. year: nan", "same": false}
+{"productA": "title: comparing hybrid peer-to-peer systems. authors: b yang , h garcia-molina. venue: vldb. year: 2001", "productB": "title: on search in peer-to-peer file sharing systems. authors: wg yee , o frieder. venue: nan. year: nan", "same": false}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: the new middleware. authors: r finkelstein. venue: sigmod record. year: 1995", "productB": "title: too much middleware. authors: m stonebraker. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: $ \\ \\ big . { \\ \\ rm { lh } } ^ { \\ \\ ast } \\ \\ ; _ { { \\ \\ rm { rs } } } \\ \\ bigr . $ : a high-availability scalable distributed data. authors: w litwin , t schwarz. venue: proc . acm-sigmod-2000 int &#39; l conf . management of data ,. year: nan", "same": false}
+{"productA": "title: integrating sql databases with content-specific search engines. authors: s de\u043floch , n mattos. venue: vldb. year: 1997", "productB": "title: integrating data mining with sql databases : ole db for data mining. authors: a netz , s chaudhuri , u fayyad , j bernhardt. venue: & hellip ; , 2001 . proceedings . 17th international conference on ,. year: 2001.0", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: blocation-based spatial queries , ^ in proceedings of the acm international conference on management. authors: j zhang , m zhu , d papadias , y tao , dl lee. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: editor 's notes. authors: a segev. venue: sigmod record. year: 1994", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: the incinerate data model. authors: h jagadish. venue: acm trans . database syst .. year: 1995", "productB": "title: the logical data model. authors: gm kuper , my vardi. venue: acm transactions on database systems ,. year: 1993.0", "same": false}
+{"productA": "title: trex : dtd-conforming xml to xml transformations. authors: a zhou , q wang , z guo , x gong , s zheng , h wu , j xiao , k yue , w fan. venue: sigmod conference. year: 2003", "productB": "title: transformation from html to xml : methodology and tools. authors: l bishay , jw rahayu , d taniar. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: storage technology : raid and beyond. authors: nan. venue: nan. year: 1995", "productB": "title: data storage technology. authors: s setia , o frieder , d grossman. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: information systems ,. year: 2001.0", "same": false}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: an information theory approach to categorical clustering. authors: d barbara , j couto , y li. venue: submitted for. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: tw banta. venue: implementing outcomes assessment : promise and perils . new & hellip ; ,. year: nan", "same": false}
+{"productA": "title: declarative updates of relational databases. authors: w chen. venue: acm trans . database syst .. year: 1995", "productB": "title: integration of data mining and relational databases. authors: a netz , s chaudhuri , j bernhardt , u fayyad. venue: proc .. year: 2000.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: the o 2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod-international conference. year: nan", "same": false}
+{"productA": "title: incremental maintenance of recursive views using relational calculus/sql. authors: g dong , j su. venue: sigmod record. year: 2000", "productB": "title: incremental maintenance of views with duplicates , '' in \\ \\ proceedings of acm-sigmod international. authors: t griffin , l libkin. venue: san jose , ca , may ,. year: nan", "same": false}
+{"productA": "title: the design and performance evaluation of alternative xml storage strategies. authors: f tian , d dewitt , j chen , c zhang. venue: sigmod record. year: 2002", "productB": "title: the design of templates as tools for formative evaluation. authors: s loucks-horsley. venue: new directions for program evaluation ,. year: 1996.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2002", "productB": "title: reminiscences on influential papers .. authors: acms anthology. venue: sigmod. year: 1998.0", "same": false}
+{"productA": "title: integrating modelling systems for environmental management information systems. authors: d abel , k taylor , d kuo. venue: sigmod record. year: 1997", "productB": "title: environmental project management in project design , building research information. authors: c pilvang , i sutherland. venue: & hellip ; journal of research , development , demonstration and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: paradise : a database system for gis applications. authors: p team. venue: sigmod conference. year: 1995", "productB": "title: temporal database system implementations. authors: m b\u00e3 \u00b6 hlen. venue: acm sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: a framework for class partitioning in object-oriented databases. authors: k karlapalem , q li. venue: distributed and parallel databases ,. year: 2000.0", "same": false}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: the object-oriented database system manifesto. authors: mp atkinson , f bancilhon , dj dewitt , kr dittrich ,. venue: sigmod conference ,. year: 1990.0", "same": false}
+{"productA": "title: the challenge of process data warehousing. authors: m jarke , t list , j k\u0456ller. venue: vldb. year: 2000", "productB": "title: what is the data warehousing problem. authors: a gupta , is mumick. venue: are materialized views the. year: nan", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: a multilevel relational model for data base management systems ' , ifip-tc 2. authors: g bracchi , a fedeli , p paolini. venue: & hellip ; conference on data base management systems , cargese ( corsica & hellip ; ,. year: nan", "same": false}
+{"productA": "title: online association rule mining. authors: c hidber. venue: sigmod conference. year: 1999", "productB": "title: privacy-preserving mining of association rules. authors: v krishnan , i mumbai , s agrawal , i bangalore , j. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: tracing the lineage of vlew data in a warehousing environment. authors: y cui , j widom , jl wiener. venue: technical report , stanford university database group , november. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: access path selectlon in a relational database management system. authors: mm astrahan , pg sellinger , dd chamberlain , ra. venue: proceedings ( 1979 ) sigmod conference ,. year: nan", "same": false}
+{"productA": "title: database research at arizona state university. authors: s urban , s dietrich , f golshani. venue: sigmod record. year: 1996", "productB": "title: database research at bellcore. authors: t bowen , d deluca , g gopal , p krishnamurthy , k lee. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , h gr\u0456ger , m missikoff. venue: acm trans . database syst .. year: 1998", "productB": "title: birch : an efficient data clustering method for large databases. authors: t zhang , r ramakrishnan , m linvy. venue: proc . of 1996 acm-sigmod int . conf . on management of. year: nan", "same": false}
+{"productA": "title: industry perspectives. authors: l seligman. venue: sigmod record. year: 1997", "productB": "title: industry trends. authors: e english. venue: nan. year: nan", "same": false}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: an approach to active spatial data mining based on statistical information. authors: w wang , j yang. venue: ieee transactions on knowledge and data engineering ,. year: 2000.0", "same": false}
+{"productA": "title: picodbms : validation and experience. authors: n anciaux , c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2001", "productB": "title: experience and education. authors: j dewey. venue: nan. year: nan", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: data grid management systems. authors: a rajasekar , a jagatheesan. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: sampling largc database for association rules. authors: h tovienven. venue: usa : proc of vldb . 1996.134 ~. year: nan", "same": false}
+{"productA": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb. year: 1999", "productB": "title: optimization of large join queries. authors: asa gupta. venue: proc . acm sigmod int &#39; l conf . management of data ,. year: nan", "same": false}
+{"productA": "title: data management for earth system science. authors: j frew , j dozier. venue: sigmod record. year: 1997", "productB": "title: data stream management system for mavhome. authors: q jiang , s chakravarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: data management for user proles in wireless communications systems. authors: j jannink , d lam , n shivakumar , j widom , dc cox. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: access path selection 111 a relational database management system. authors: pg sehnger , mm astrahan , dd chamberhn , ra lone , tg. venue: prcceedmgs of 1979 acm sigmod conference , ( june. year: nan", "same": false}
+{"productA": "title: secure buffering in firm real-time database systems. authors: b george , j haritsa. venue: vldb. year: 1998", "productB": "title: index concurrency control in firm real-time database systems. authors: b goyal , jr haritsa , s seshadri , v srinivasan. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: sprint : a scalable parallel classifier for data mining. authors: j shafer , r agrawal , m mehta. venue: vldb. year: 1996", "productB": "title: scalable data mining for rules. authors: mj zaki. venue: nan. year: nan", "same": false}
+{"productA": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record. year: 2000", "productB": "title: aaai-94 workshop knowledge discovery in databases. authors: um fayyad , r uthurusamy. venue: seattle , washington ,. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: modeling high-dimensional index structures using sampling. authors: ca lang , ak singh. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: vqbd : exploring semistructured data. authors: s chawathe , t baby , j yeo. venue: sigmod conference. year: 2001", "productB": "title: describing semistructured data. authors: l cardelli. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: business data management for b2b electronic commerce. authors: c quix , m schoop , m jeusfeld. venue: sigmod record. year: 2002", "productB": "title: a value-added model for electronic commerce. authors: to ` daniel. venue: electronic markets ,. year: nan", "same": false}
+{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: q cheng , j gryz , f koo , t leung , l liu , x qian , k schiefer. venue: vldb. year: 1999", "productB": "title: implementation techniques for main memory database systems. authors: dj dewitt , rh katz , f olken , ld shapiro , mr. venue: proceedings of the 1984 acm sigmod international conference & hellip ; ,. year: 1984.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm transactions on database systems ,. year: 2003.0", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: spatial query processmg m an object-oriented database system. authors: ja orenstem. venue: proc acm sigmod int\u00e2 ?? l conf on the management of data ,. year: nan", "same": false}
+{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: j han , y fu , y huang , y cai , n cercone. venue: sigmod conference. year: 1994", "productB": "title: knowledge discovery in databases. authors: g piateski. venue: nan. year: 1991.0", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: the architecture of an active , object-oriented database system. authors: d mccarthy , u dayal. venue: proc . 1989 acm-sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: near neighbor search in large metric spaces. authors: s brin. venue: vldb. year: 1995", "productB": "title: an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: proceedings of the 23rd international conference on very. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: querying object-oriented datab = es. authors: m kifer , w kim , y sagiv. venue: proceedings of the acm sigmod ,. year: nan", "same": false}
+{"productA": "title: query processing techniques for arrays. authors: a marathe , k salem. venue: vldb j.. year: 2002", "productB": "title: parallel processing techniques for hidden surface removal. authors: m kaplan , dp greenberg. venue: acm siggraph computer graphics ,. year: 1979.0", "same": false}
+{"productA": "title: virtual database technology. authors: a gupta , v harinarayan , a rajaraman. venue: sigmod record. year: 1997", "productB": "title: basic technology. authors: hl caswell\u00e2 ? \u00a6. venue: ieee. year: nan", "same": false}
+{"productA": "title: a scalable algorithm for answering queries using views. authors: r pottinger , a levy. venue: vldb. year: 2000", "productB": "title: answering queries with aggregation using views. authors: d sristava , s dar , hv jagadish , a levy. venue: proc . of intl. conf . on very large data bases ,. year: nan", "same": false}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: constrained nearest neighbor queries. authors: h ferhatosmanoglu , i stanoi , d agrawal. venue: nan. year: nan", "same": false}
+{"productA": "title: component-based e-commerce : assesment of current practices and future directions. authors: m bichler , a segev , j zhao. venue: sigmod record. year: 1998", "productB": "title: deductive databases : achievements and future directions. authors: jd ullman , c zaniolo. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: efficient mining for fuzzy implication-based association rules in quantitative databases. authors: g chen , p yan , ee kerre. venue: international journal of general systems ,. year: 2004.0", "same": false}
+{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: c dyreson , m b\u0456hlen , c jensen. venue: vldb. year: 1999", "productB": "title: ozone : integrating structured and semistructured data. authors: t lahiri , s abiteboul , j widom. venue: lecture notes in computer science ,. year: 2000.0", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: integrating databases and workflow systems. authors: s shankar , a kini , dj dewitt , j naughton. venue: sigmod record ,. year: 2005.0", "same": false}
+{"productA": "title: editor 's ( farewell ) notes. authors: nan. venue: nan. year: 1995", "productB": "title: editor 's notes. authors: dj rog , d fournier. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: static analysis techniques for predicting the behavior of active database rules. authors: a aiken , j hellerstein , j widom. venue: acm trans . database syst .. year: 1995", "productB": "title: better static rule analysis for active database systems. authors: e baralis , j widom. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: efficiency in instantiating objects from relational databases through views. authors: bs lee. venue: nan. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia. venue: vldb ,. year: 1997.0", "same": false}
+{"productA": "title: roadrunner : towards automatic data extraction from large web sites. authors: v crescenzi , g mecca , p merialdo. venue: vldb. year: 2001", "productB": "title: automatic information extraction from large websites. authors: v crescenzi , g mecca. venue: journal of the acm ,. year: 2004.0", "same": false}
+{"productA": "title: spatial operators. authors: e clementini , p felice. venue: sigmod record. year: 2000", "productB": "title: relational database operators. authors: r fagin , n forms. venue: proc . acm sigmod conf . management of data ,. year: nan", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: a dw. venue: artificial intelligence review ,. year: nan", "same": false}
+{"productA": "title: query by diagram : a graphical environment for querying databases. authors: t catarci , g santucci. venue: sigmod conference. year: 1994", "productB": "title: aql : an alignment based language for querying string databases. authors: g grahne , r hakli , m nykanen , e ukkonen. venue: nan. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a deductive and object-oriented database system : why and how ?. authors: l vieille. venue: proceedings of the 1993 acm sigmod international conference & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy , i manolescu , d suciu. venue: sigmod conference. year: 1999", "productB": "title: optimization in the presence of user-defined predicates. authors: s chaudhuri , k shim. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: hierarchical schemata for relational databases. authors: ye lien. venue: acm transactions on database systems ( tods ) ,. year: 1981.0", "same": false}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: distributed multimedia systems. authors: vok li , w liao. venue: proceedings-ieee ,. year: 1997.0", "same": false}
+{"productA": "title: polymorphism and type inference in database programming. authors: p buneman , a ohori. venue: acm trans . database syst .. year: 1996", "productB": "title: polymorphic type inference. authors: d leivant. venue: proceedings of the 10th acm sigact-sigplan symposium on & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: relational data-base management systems. authors: dd chamberlin. venue: acm computing surveys ( csur ) ,. year: 1976.0", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: storing and querying xml documents using a path table in relational databases. authors: bj shin , m jin. venue: nan. year: nan", "same": false}
+{"productA": "title: communication efficient distributed mining of association rules. authors: a schuster , r wolff. venue: sigmod conference. year: 2001", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: s ashok. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: view relevance driven materialized view selection in data warehousing environment. authors: , s vadapalli , k karlapalem. venue: nan. year: nan", "same": false}
+{"productA": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: vldb j.. year: 1995", "productB": "title: formal foundations for optimising aggregation functions in database programming languages. authors: a poulovassilis , c small. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational data : framework , algorithms and analysis. authors: r agrawal , p haas , j kiernan. venue: vldb j.. year: 2003", "productB": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: similarity query processing using disk arrays. authors: a papadopoulos , y manolopoulos. venue: sigmod conference. year: 1998", "productB": "title: query processing techniques for arrays. authors: ap marathe , k salem. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": false}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb. year: 2000", "productB": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: proc . of the 1994 acm sigmod intl. conf . on management of & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editor 's introduction. authors: wc newstetter. venue: journal of the learning. year: nan", "same": false}
+{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: s mehrotra , h korth , a silberschatz. venue: vldb j.. year: 1997", "productB": "title: interoperability in multidatabase systems. authors: d mcleod , a sheth. venue: tutorial notes-the 20th vldb conference , september ,. year: nan", "same": false}
+{"productA": "title: database systems management and oracle8. authors: c doherty. venue: sigmod conference. year: 1998", "productB": "title: document management as a database problem. authors: r bayer. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record. year: 2000", "productB": "title: knowledge discovery in databases : an attribute-oriented approach. authors: j han. venue: nan. year: nan", "same": false}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: an active and deductive object-oriented data model. authors: g guerrini. venue: nan. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the tv-tree : an index structure forhigh-dimensional data. authors: ki lin , h jagadish , c faloutsos. venue: the vldb journal ,. year: nan", "same": false}
+{"productA": "title: a query language for multidimensional arrays : design , implementation , and optimization techniques. authors: l libkin , r machlin , l wong. venue: sigmod conference. year: 1996", "productB": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: queries and query processing in object-oriented database systems. authors: dd straube , mt \u00e3?zsu. venue: acm transactions on information systems ( tois ) ,. year: 1990.0", "same": false}
+{"productA": "title: editor 's ( farewell ) notes. authors: nan. venue: nan. year: 1995", "productB": "title: editors ' notes. authors: jh astrachan. venue: nan. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the indiana center for database systems. authors: l hall. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: special issue in multidatabase systems. authors: a sheth. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: time-parameterized queries in spatio-temporal databases. authors: y tao , d papadias. venue: sigmod conference. year: 2002", "productB": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m. venue: sigmod conference ,. year: 2000.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: a query language for manipulating object-oriented databases , ''. authors: am alashqur , syw su , h lam. venue: proceedings of the fifth international conference on vldb , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: on the minimization of xpath queries. authors: s bottcher. venue: nan. year: nan", "same": false}
+{"productA": "title: information retrieval from an incomplete data cube. authors: c dyreson. venue: vldb. year: 1996", "productB": "title: incomplete information and dependencies in relational databases. authors: t imielinski. venue: proceedings of the 1983 acm sigmod international conference & hellip ; ,. year: 1983.0", "same": false}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: constraint databases : a tutorial introduction. authors: j van den bussche. venue: sigmod record ,. year: 2000.0", "same": false}
+{"productA": "title: the xxl search engine : ranked retrieval of xml data using indexes and ontologies. authors: a theobald , g weikum. venue: sigmod conference. year: 2002", "productB": "title: storage and retrieval of xml data using relational databases. authors: s chaudhuri , k shim. venue: data engineering , 2003 . proceedings . 19th international & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query containment for data integration systems. authors: t millstein , a levy , m friedman. venue: nan. year: nan", "same": false}
+{"productA": "title: design and implementation of a genetic-based algorithm for data mining. authors: s choenni. venue: vldb. year: 2000", "productB": "title: the design and implementation al ingres. authors: is sloncbrakcr , ew michael , p kreps. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: rewering aggregate queries using views. authors: s cohen , w nutt , a serebrenik. venue: proc of the 18th acm sigact sigmod sigart symp on principles & hellip ; ,. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": false}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: rsrikant . fast algorithms for mining association rules. authors: ra rr941. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 41.0", "same": false}
+{"productA": "title: qursed : querying and reporting semistructured data. authors: y papakonstantinou , m petropoulos , v vassalos. venue: sigmod conference. year: 2002", "productB": "title: vqbd : exploring semistructured data. authors: ss chawathe , t baby , j yeo. venue: nan. year: nan", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: dimensions of object-oriented language design. authors: p wegner. venue: proceedings oopsla87 , acm press ,. year: nan", "same": false}
+{"productA": "title: qc-trees : an efficient summary structure for semantic olap. authors: l lakshmanan , j pei , y zhao. venue: sigmod conference. year: 2003", "productB": "title: re-tree : an efficient index structure for regular expressions. authors: c chee-yao , m garofalakis , r rastogi. venue: proceedings of the vldb conference , hong kong ,. year: nan", "same": false}
+{"productA": "title: adaptive selectivity estimation using query feedback. authors: c chen , n roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: estimating the selectivity of spatial queries using the. authors: a belussi , c faloutsos. venue: correlation '' fractal dimension , '' proc . 21st vldb conf ,. year: nan", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: algorithms for mining distance-based outliers in large database. authors: k edwin , r ng. venue: new york : in proc . of the vldb conference ,. year: nan", "same": false}
+{"productA": "title: in-context peer-to-peer information filtering on the web. authors: a ouksel. venue: sigmod record. year: 2003", "productB": "title: semantics and in-context peer-to-peer information filtering and model calibration on the web. authors: am ouksel. venue: workshop on semantic web technologies for searching and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: algorithms and applications for answering ranked queries using ranked views. authors: v hristidis , y papakonstantinou. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: balancing performance and data freshness in web database servers. authors: a labrinidis , n roussopoulos. venue: vldb. year: 2003", "productB": "title: balancing performance and confidentiality in air index. authors: q tan , wc lee , b zheng , p liu , dl lee. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: database technologies for electronic commerce. authors: r agrawal , r srikant , y xu. venue: vldb. year: 2002", "productB": "title: business models for electronic commerce. authors: p timmers. venue: electronic markets ,. year: nan", "same": false}
+{"productA": "title: distributed top-k monitoring. authors: b babcock , c olston. venue: sigmod conference. year: 2003", "productB": "title: monitoring and measuring distributed systems. authors: d wybranietz , d haban. venue: acm press frontier series ,. year: 1990.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: event specification in an object-oriented database. authors: nh gehani , hv jagadish , o shmueli. venue: proceedings international conference on management of. year: nan", "same": false}
+{"productA": "title: semantic integration of semistructured and structured data sources. authors: s bergamaschi , s castano , m vincini. venue: sigmod record. year: 1999", "productB": "title: interactive query formulation in semistructured databases. authors: a trigoni. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: vldb j.. year: 2002", "productB": "title: piers : an efficient model for similarity search in dna sequence databases. authors: xcscl beng , kh tung. venue: sigmod record ,. year: 2004.0", "same": false}
+{"productA": "title: a fast index for semistructured data. authors: b cooper , n sample , m franklin , g hjaltason , m shadmon. venue: vldb. year: 2001", "productB": "title: management of semistructured data. authors: d suciu. venue: sigmod record ,. year: 1997.0", "same": false}
+{"productA": "title: quorum consensus in nested transaction systems. authors: k goldman , n lynch. venue: acm trans . database syst .. year: 1994", "productB": "title: concurrency control issues in nested transactions. authors: t h\u00e3 $ rder , k rothermel. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: query processing techniques for multiversion access methods. authors: j bercken , b seeger. venue: vldb. year: 1996", "productB": "title: query processing techniques for caching expensive methods. authors: j hellerstein , j naughton. venue: proceedings of acm sigmod ,. year: nan", "same": false}
+{"productA": "title: partitioned garbage collection of large object store. authors: u maheshwari , b liskov. venue: sigmod conference. year: 1997", "productB": "title: garbage collecting an object cache. authors: wot james. venue: technical report mit/lcs/tm -485 , massachusetts institute of. year: nan", "same": false}
+{"productA": "title: transaction timestamping in ( temporal ) databases. authors: c jensen , d lomet. venue: vldb. year: 2001", "productB": "title: on the issue of valid time ( s ) in temporal databases. authors: s kokkotos , ev ioannidis , t panayiotopoulos , cd. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: a query model for object-oriented databases. authors: w krm. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: spatial query processing in an object-oriented database system. authors: ja orenstein. venue: proceedings of the 1986 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: quorum consensus in nested transaction systems. authors: k goldman , n lynch. venue: acm trans . database syst .. year: 1994", "productB": "title: concepts for transaction recovery in nested transactions. authors: t h\u00e3 $ rd87a h\u00e3 $ rder , k rothermel. venue: proc . acm sigmod 1987 annual conf. , san francisco ,. year: nan", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: m jarke. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: efficient garbage collection for large object-oriented databases. authors: bh liskov. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography. authors: ofm agents. venue: nan. year: 2002.0", "same": false}
+{"productA": "title: dbmss on a modern processor : where does time go ?. authors: a ailamaki , d dewitt , m hill , d wood. venue: vldb. year: 1999", "productB": "title: dbmss on a modern processor : \u00e2 ?? where does all the time go?\u00e2 ?? revisited. authors: m becker , n mancheril , s okamoto. venue: nan. year: nan", "same": false}
+{"productA": "title: report on the 10th conference on database systems for business , technology , and the web ( btw 2003 ). authors: nan. venue: nan. year: 2003", "productB": "title: report on the 18th british national conference on databases ( bncod ). authors: c goble , b read. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: aql : an alignment based language for querying string databases. authors: g grahne , r hakli , m nykanen , e ukkonen. venue: nan. year: nan", "same": false}
+{"productA": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: d gunopulos , g kollios , v tsotras , c domeniconi. venue: sigmod conference. year: 2000", "productB": "title: approximating aggregate queries about web pages via random walks. authors: z bar-yossef , a berg , s chien , j fakcharoenphol , d. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: schema evolution in object-oriented databases systems using class versionning. authors: s monk , i sommerville. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: information integration and xml in ibm 's db2. authors: p selinger. venue: vldb. year: 2002", "productB": "title: the information integration system k2. authors: v tannen. venue: bioinformatics : managing scientific data , t. critchlow and z. year: nan", "same": false}
+{"productA": "title: some issues in design of distributed deductive databases. authors: m mohania , n sarda. venue: vldb. year: 1994", "productB": "title: bottom up evaluation of disjunctive deductive databases. authors: j fernandez , j minker. venue: submitted for. year: nan", "same": false}
+{"productA": "title: distance browsing in spatial databases. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 1999", "productB": "title: view indexing in relational databases. authors: n roussopoulos. venue: acm transactions on database systems ,. year: 1982.0", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the x-tree : an index structure for highdimensional data . 22nd vldb. authors: s berchtold , da keim , hp kriegel. venue: mumbai ( bombay ) , india , sept ,. year: nan", "same": false}
+{"productA": "title: hyperstorm - administering structured documents using object-oriented database technology. authors: k b\u0456hm , k aberer. venue: sigmod conference. year: 1996", "productB": "title: an object-oriented hypermedia system for structured documents ( poster ). authors: h kim , h shin , j chang. venue: proceedings of the first acm international conference on & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: on using prolog to implement object-oriented databases. authors: nw paton , s leishman , sm embury , pmd gray. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: infering structure in semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod record. year: 1997", "productB": "title: path constraints on semistructured and structured data. authors: portal.acm.org. venue: nan. year: nan", "same": false}
+{"productA": "title: analysis of navigation behaviour in web sites integrating multiple information systems. authors: b berendt , m spiliopoulou. venue: vldb j.. year: 2000", "productB": "title: analysis and design of web-based information systems. authors: k takahashi , e liang. venue: www6 / computer networks ,. year: 1997.0", "same": false}
+{"productA": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1994", "productB": "title: deriving production rules for constraint maintenance tech. authors: s ceri , j wmom. venue: rep rj7348 , ibm almaden research center , san jose , cahf ,. year: nan", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: survey : continuous query over data streams. authors: s rahul. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: microsoft sql server 7.0 performance tuning guide. authors: h lau. venue: nan. year: nan", "same": false}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: processing and optimization of multiway spatial joins using r-trees. authors: d papadias , n mamoulis , y theodoridis. venue: proc acm sigact sigmod sigart symp princ database syst ,. year: 1999.0", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1996", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: enhanced abstract data types in object-relational databases. authors: p seshadri. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: the trigs active object-oriented database system-an overview .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record. year: 2002", "productB": "title: multimedia databases coursenotes. authors: a ghafoor. venue: proceedings of acm multimedia conference ,. year: nan", "same": false}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: database interoperability. authors: w litwin , a abdellatif. venue: ieee-computer ,. year: nan", "same": false}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: temporal aggregation in active database rules. authors: , c zaniolo. venue: nan. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the implementation and performance of compressed databases . 1998. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: submitted for. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: research directions in object-oriented databases. authors: w kim. venue: proc . of the 9th acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: efficiently supporting procedures in relational database systems. authors: tk sellis. venue: nan. year: nan", "same": false}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , tlh schwarz. venue: res . rep. ceria , u. dauphine ( sept. .. year: nan", "same": false}
+{"productA": "title: an optimal and progressive algorithm for skyline queries. authors: d papadias , y tao , g fu , b seeger. venue: sigmod conference. year: 2003", "productB": "title: an optimal divide-conquer algorithm for 2d skyline queries. authors: hx lu , y luo , x lin. venue: nan. year: nan", "same": false}
+{"productA": "title: incremental maintenance of externally materialized views. authors: m staudt , m jarke. venue: vldb. year: 1996", "productB": "title: incremental maintenance for materialized views over semistructured data , 1998. authors: s abiteboul , j mchugh , m rys , v vassalos , j wiener. venue: stanford university technical. year: nan", "same": false}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing real conjunctive queries. authors: s chaudhuri , m vardi. venue: proc . of the acm sigact-sigmod-sigart symposium on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: grid data management systems & services. authors: a jagatheesan , r moore. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: a deductive object-oriented database for data intensive application development. authors: aaa fernandes , ml barja , nw paton , mh williams. venue: nan. year: nan", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: the design and implementation of the ariel active database rule system. authors: en hanson. venue: nan. year: nan", "same": false}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: ki lin , hv jagadish , c faloutsos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: streaming queries over streaming data. authors: s chandrasekaran , mj franklin. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: a kernel design for a secure database management system . in proceedings. authors: d downs , gj popek. venue: 3rd ieee conference on very large databases ,. year: nan", "same": false}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: an implementation and performance analysis of spatial data access. authors: d greene. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: gnatdb : a small-footprint , secure database system. authors: r vingralek. venue: vldb. year: 2002", "productB": "title: making smalltalk a database system. authors: gp copeland. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: parallel data mining for association rules on shared-memory systems. authors: s parthasarathy , mj zaki , m ogihara , w li. venue: knowledge and information systems ,. year: 2001.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: association rule mining over interval data. authors: r miller , y yang. venue: nan. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: distributed query processing in a relational data base system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the 1978 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: performance analysis of a temporal database management system. authors: i ahn , rt snodgrass. venue: proceedings of acm sigmod , washington , dc ,. year: nan", "same": false}
+{"productA": "title: a simple algorithm for finding frequent elements in streams and bags. authors: r karp , s shenker , c papadimitriou. venue: acm trans . database syst .. year: 2003", "productB": "title: an algorithm for in-core frequent itemset mining on streaming data. authors: r jin , g agrawal. venue: submitted for publication ,. year: 2004.0", "same": false}
+{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: k n\u0458rv\u0445g. venue: vldb. year: 1999", "productB": "title: object-oriented database systems : in transition. authors: f bancilhon , w kim. venue: sigmod record ,. year: 1990.0", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: database research at the ibm almaden research center. authors: lm haas , pg selinger. venue: sigmod record ,. year: 1991.0", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: charting knowledge management course. authors: g anthes. venue: computerworld ,. year: nan", "same": false}
+{"productA": "title: nd-sql : a multi-dimensional language for interoperability and olap. authors: f gingras , l lakshmanan. venue: vldb. year: 1998", "productB": "title: schemasql-a language for interoperability in relational multi-database systems. authors: lvs lakshmanan. venue: vldb ,. year: 1996.0", "same": false}
+{"productA": "title: exploratory mining via constrained frequent set queries. authors: r ng , l lakshmanan , j han , t mah. venue: sigmod conference. year: 1999", "productB": "title: exploratory mining and pruning optimizations of constrained associations rules. authors: tn raymond , lvs lakshmanan , j han , a pang. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: parallelising oodbms traversals : a performance evaluation. authors: d dewitt , j naughton , j shafer , s venkataraman. venue: vldb j.. year: 1996", "productB": "title: a note on performance evaluation. authors: s bhattacharya , p pfleiderer. venue: nan. year: 1983.0", "same": false}
+{"productA": "title: bringing order to query optimization. authors: g slivinskas , c jensen , r snodgrass. venue: sigmod record. year: 2002", "productB": "title: factoring as optimization. authors: cjc burges. venue: nan. year: nan", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: a fast distributed algorithm for mining association rules. authors: dw cheung , j han , vt ng , aw fu , y fu. venue: proceedings of the fourth international conference on on & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: dw aha. venue: artificial intelligence review ,. year: 1997.0", "same": false}
+{"productA": "title: index concurrency control in firm real-time database systems. authors: b goyal , j haritsa , s seshadri , v srinivasan. venue: vldb. year: 1995", "productB": "title: a pessimistic concurrency control algorithm in multidatabase systems .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: query processing in a relational database management system. authors: k youssefi , e wong. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: a query model for object-oriented databases. authors: w krm. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2002", "productB": "title: influential papers. authors: k ross. venue: acm sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: hash based parallel algorithms for mining association rules. authors: t shintani , m kitsuregawa. venue: nan. year: nan", "same": false}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: set-derivability of multidimensional aggregates. authors: j albrecht , h guenzel , w lehner. venue: nan. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining association rules between sets of items in large databases. authors: ra pi , t imielinski , a swami. venue: proc . acm sigmod int\u00e2 ?? l conj : management of data ,. year: nan", "same": false}
+{"productA": "title: the p operator : discovering and ranking associations on the semantic web. authors: k anyanwu , a sheth. venue: sigmod record. year: 2002", "productB": "title: the r-operator : enabling querying for semantic associations on the semantic web. authors: k anyanwu. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: shamkantnavathe . an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski. venue: proceedings of the 21st international conference on very. year: nan", "same": false}
+{"productA": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: s ashwin , p roy , s seshadri , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: partition selection policies in object oriented database garbage collection. authors: je cook , al wolf , bg zorn. venue: nan. year: 1994.0", "same": false}
+{"productA": "title: an extensible notation for spatiotemporal index queries. authors: v tsotras , c jensen , r snodgrass. venue: sigmod record. year: 1998", "productB": "title: an extensible database system for spatio-temporal queries. authors: c chen , h wang , c zaniolo. venue: submitted for publication ,. year: nan", "same": false}
+{"productA": "title: query processing in spatial network databases. authors: d papadias , j zhang , n mamoulis , y tao. venue: vldb. year: 2003", "productB": "title: panel : querying networked databases. authors: n koudas , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: whatever happened to object-oriented databases ?. authors: n leavitt. venue: nan. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1999", "productB": "title: reminiscences on influential papers. authors: hgm stanlbrd. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: xpress : a queriable compression for xml data. authors: j min , m park , c chung. venue: sigmod conference. year: 2003", "productB": "title: an efficient compressor for xml data. authors: h liefke , ds xmill. venue: proceedings of the 2000 acm sigmod conference on management & hellip ; ,. year: nan", "same": false}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: idi : informative summarization of differences in multidimensional aggregates. authors: s sarawagi. venue: nan. year: nan", "same": false}
+{"productA": "title: an annotated bibliography of benchmarks for object databases. authors: a chaudhri. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on user interface design. authors: b fraser. venue: sigchi bulletin ,. year: 1989.0", "same": false}
+{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb j.. year: 2000", "productB": "title: an efficient subspace sampling framework for high-dimensional data reduction , selectivity estimation. authors: se reduction. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: wavelet-based histograms for selectivity estimation. authors: y matias , j vitter , m wang. venue: sigmod conference. year: 1998", "productB": "title: selectivity estimation for boolean queries. authors: z chen , s muthukrishnan. venue: nan. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: sql-like operator for mining association rules. authors: r meo , g psaila , s ceri , a new. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query optimization at the crossroads ( panel ). authors: s chaudhuri. venue: sigmod conference. year: 1997", "productB": "title: query optimization for parallel execution. authors: s ganguly. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: index nesting-an efficient approach to indexing in object-oriented databases. authors: bc ooi , j han , h lu , kl tan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction. authors: wb elley. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: an annotation management system for relational databases. authors: d bhagwat , l chiticariu , wc tan , g vijayvargiya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: the need for distributed asynchronous transactions. authors: l do , p ram , p drew. venue: sigmod conference. year: 1999", "productB": "title: distributed transactions in practice. authors: p ram , l do , p drew. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: vice chair 's message. authors: nan. venue: nan. year: 1999", "productB": "title: sigcas chair 's message. authors: cd martin. venue: computers and society ,. year: nan", "same": false}
+{"productA": "title: combining multi-visual features for efficient indexing in a large image database. authors: a ngu , q sheng , d huynh , r lei. venue: vldb j.. year: 2001", "productB": "title: optimizing multi-feature queries for image databases. authors: u guntzer , wt balke , w kie\u00e3?ling. venue: proc . of the twenty-sixth international conference on very & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: an approximate search engine for structural databases. authors: j wang , x wang , d shasha , b shapiro , k zhang , x zheng , q ma , z weinberg. venue: sigmod conference. year: 2000", "productB": "title: proximity search in databases. authors: g roy , s narayanan , v suresh , g hector. venue: proceedings of the 24th vldb conference ,. year: nan", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: smooth-a distributed multimedia database system. authors: h kosch , c hanin , c hofbauer , m lang , c riedler , r. venue: vldb ,. year: 2001.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: mariposa : a wide-area distributed database system . volume 5. authors: m stonebraker , pm aoki , w litwin , a pfeer , a sah ,. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: a model of queries for object-oriented databases. authors: kw kun. venue: proc of the 1989 vldb co @ , amsterdam , the netherlands , aug ,. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: data mining using two-dimensional optimized association rules : scheme. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: algorithms , and visualization , acm ,. year: nan", "same": false}
+{"productA": "title: highly concurrent cache consistency for indices in client-server database systems. authors: m zaharioudakis , m carey. venue: sigmod conference. year: 1997", "productB": "title: concurrency control and recovery in database systems. authors: pa bernstein , v hadzilacos , n goodman. venue: nan. year: 1987.0", "same": false}
+{"productA": "title: processing object-oriented queries with invertible late bound functions. authors: s flodin , t risch. venue: vldb. year: 1995", "productB": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: updating relational databases through xml views. authors: v braganholo. venue: nan. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the x-tree : an index structure for high dimensional data. authors: s berchtold , da keim. venue: nan. year: 1996.0", "same": false}
+{"productA": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: a poulovassilis , c small. venue: vldb. year: 1994", "productB": "title: aquery : query language for ordered data , optimization techniques. authors: a lerner , d shasha. venue: and experiments . technical report , march 2003 . csdocs . cs . nyu .. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization of multiple-relation multiple-disjunct queries. authors: m muralikrishna , dj dewitt. venue: proceedings of the seventh acm sigact-sigmod-sigart & hellip ; ,. year: 1988.0", "same": false}
+{"productA": "title: fast algorithms for projected clustering. authors: c aggarwal , c procopiuc , j wolf , p yu , j park. venue: sigmod conference. year: 1999", "productB": "title: fastmap : a fast algorithm for indexing. authors: c faloutsos , ki lin. venue: data-mining and visualization of traditional and multimedia & hellip ; ,. year: nan", "same": false}
+{"productA": "title: acm multimedia '94 conference workshop on multimedia database management systems. authors: p berra , k nwosu , b thuraisingham. venue: sigmod record. year: 1995", "productB": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1999", "productB": "title: reminiscences on influential papers. authors: hgm stanlbrd. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm trans . database syst .. year: 1994", "productB": "title: properties on non-first-normal-form relational databases. authors: h arisawa , k moriya , t miura. venue: proc . vldb ,. year: nan", "same": false}
+{"productA": "title: relaxed transaction processing. authors: m singh , c tomlinson , d woelk. venue: sigmod conference. year: 1994", "productB": "title: an analysis of three transaction processing architectures. authors: a bhide. venue: vldb ,. year: 1988.0", "same": false}
+{"productA": "title: an almost-serial protocol for transaction execution in main-memory database systems. authors: s blott , h korth. venue: vldb. year: 2002", "productB": "title: implementation techniquesfor main memory database systems. authors: d dewitt , r katz , f olken , l shapiro , mr. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the ss\u00e3 \u00b7 - tree : an improved index structure for similarity searches in a high-dimensional feature. authors: r kurniawati , js jin , ja shepherd. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2002", "productB": "title: editor 's notes. authors: r goldstein. venue: the american statistician ,. year: 1996.0", "same": false}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: optimal and approximate computation of summary statistics for range aggregates. authors: ac gilbert , y kotidis , s muthukrishnan , mj strauss. venue: nan. year: nan", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: special section on advances in realtime database systems. authors: a bestavros. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: a study of concurrency control in real-time , active database systems. authors: a datta , sh son. venue: ieee transactions on knowledge and data engineering ,. year: 2002.0", "same": false}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: deductive database system. authors: g phippc. venue: proc acn sigmod on management of data ,. year: nan", "same": false}
+{"productA": "title: monitoring business processes through event correlation based on dependency model. authors: a adi , d botzer , o etzion , t yatzkar-haham. venue: sigmod conference. year: 2001", "productB": "title: correlating events for monitoring business processes. authors: j schiefer , c mcgregor. venue: nan. year: nan", "same": false}
+{"productA": "title: some issues in design of distributed deductive databases. authors: m mohania , n sarda. venue: vldb. year: 1994", "productB": "title: reactive consistency control in deductive databases. authors: pc lockemann , g moerkotte. venue: acm. year: nan", "same": false}
+{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: n huyn. venue: vldb. year: 1997", "productB": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb ,. year: 1995.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a taxonomy for object-oriented secure databases. authors: m olivier , s von solms. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: editorial. authors: j harmer , j turnbull. venue: bt technology journal ,. year: 2002.0", "same": false}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: algorithms for mining distance-based outliers in large datasets. authors: em knorr , rt ng. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: the role of b2b engines in b2b integration architectures. authors: c bussler. venue: sigmod record. year: 2002", "productB": "title: architecture of integrated information systems. authors: aw scheer. venue: nan. year: 1992.0", "same": false}
+{"productA": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: s chaudhuri , g weikum. venue: vldb. year: 2000", "productB": "title: the architecture of an active database system. authors: dr mccarthy , u dayal. venue: proc . 1989 acm-sigmod conference on management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continuous queries over data streams. authors: j widom , s babu. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: efficient filtering of xml documents with xpath expressions. authors: c chan , p felber , m garofalakis , r rastogi. venue: vldb j.. year: 2002", "productB": "title: xfilter : efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: proceedings of the 26th vldb conference , egypt. year: nan", "same": false}
+{"productA": "title: on efficiently implementing schemasql on an sql database system. authors: l lakshmanan , f sadri , s subramanian. venue: vldb. year: 1999", "productB": "title: implementing lazy database updates for an object database system. authors: f ferrandina , t meyer , r zicari. venue: vldb ,. year: 1994.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining association rules between sets of items in large databases. authors: ra pi , t imielinski , a swami. venue: proc . acm sigmod int\u00e2 ?? l conj : management of data ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editors\u00e2 ?? notes. authors: l yorks , e kasl. venue: new directions for adult and continuing education ,. year: 2002.0", "same": false}
+{"productA": "title: supporting periodic authorizations and temporal reasoning in database access control. authors: e bertino , c bettini , e ferrari , p samarati. venue: vldb. year: 1996", "productB": "title: p. an access control mechanism supporting periodicity constraints and temporal reasoning. authors: e bertino , c bettini , es ferrari. venue: acm trans . on database. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: joining interval data in relational databases. authors: j enderle , m hampel , t seidl. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: concurrency control in a system for distributed databases. authors: bb pa , dw shipman , jb rothnr jr. venue: acm tods ,. year: nan", "same": false}
+{"productA": "title: challenges for global information systems. authors: a levy , a silberschatz , d srivastava , m zemankova. venue: vldb. year: 1994", "productB": "title: medical information systems : characterization and challenges. authors: jcg ramirez , la smith. venue: sigmod record ,. year: 1994.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: panel : database system performance management. authors: h boral. venue: acm sigmod record ,. year: 1986.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a query model for object-oriented databases. authors: w krm. venue: proceedings of the international conference on very large. year: nan", "same": false}
+{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: l bouganim , d florescu , p valduriez. venue: vldb. year: 1996", "productB": "title: special issue in parallelism in database systems. authors: m carey , p valduriez. venue: the vldb journal\u00e2 ?? the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: open object database management systems. authors: ja blakeley. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a survey of object oriented database systems. authors: rw thearle. venue: conference proceedings on data management 91 table of & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: database research at columbia university. authors: s chang , l gravano , g kaiser , k ross , s stolfo. venue: sigmod record. year: 1998", "productB": "title: database research at mcc. authors: e lowenthal. venue: nan. year: 1986.0", "same": false}
+{"productA": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb. year: 1999", "productB": "title: optimization of nonrecursive queries. authors: r krishnamurthy , h boral , c zaniolo. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: performance of adaptive query processing in the mariposa distributed database management system. authors: j sidell. venue: nan. year: nan", "same": false}
+{"productA": "title: wavelet-based histograms for selectivity estimation. authors: y matias , j vitter , m wang. venue: sigmod conference. year: 1998", "productB": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , ej shekita. venue: sigmod conference ,. year: 1996.0", "same": false}
+{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: a kemper , g moerkotte , k peithner , m steinbrunn. venue: sigmod conference. year: 1994", "productB": "title: optimization ofqueries with user-defined predicates. authors: s chaudhuri , k shim. venue: proc . ofthe conf . on very large data bases. year: nan", "same": false}
+{"productA": "title: hierarchies and relative operators in the olap environment. authors: e pourabbas , m rafanelli. venue: sigmod record. year: 2000", "productB": "title: characterization of hierarchies and some operators in olap environment. authors: e pourabbas , m rafanelli. venue: nan. year: nan", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: cassm : a cellular system for very large data bases. authors: syw su , gj lipovski. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: u dayal. venue: proceedings of the 1987 acm sigmod international conference & hellip ; ,. year: 1987.0", "same": false}
+{"productA": "title: clustering by pattern similarity in large data sets. authors: h wang , w wang , j yang , p yu. venue: sigmod conference. year: 2002", "productB": "title: rapid initial clustering of large data sets. authors: hg gauch. venue: plant ecology ,. year: 1980.0", "same": false}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: query processing in a distributed relational database system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm transactions on database systems ,. year: 1994.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2001", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: semantic query optimization in datalog programs. authors: ay levy , y sagiv. venue: nan. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: andt . g. price . accesspathselectioninarelational database management system. authors: pg selinger , mm astrahan , dd chamberlin , ra lorie. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: searching and mining fine-grained semi-structured data. authors: nan. venue: nan. year: 2002", "productB": "title: storing semi-structured data with stored. authors: dm fernandez , d suciu. venue: & hellip ; , pennslyvania : proceedings of the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: object-oriented concepts , databases and applications. authors: w kim , fh lochovsky. venue: nan. year: 1989.0", "same": false}
+{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: l golab , m \u0436zsu. venue: vldb. year: 2003", "productB": "title: characterizing memory requirements for queries over continuous data streams. authors: j widom. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: declustering databases on heterogeneous disk systems. authors: l chen , d rotem , s seshadri. venue: vldb. year: 1995", "productB": "title: object orientation in heterogeneous distributed computing systems. authors: jr nicol , ct wilkes , fa manola. venue: nan. year: nan", "same": false}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: aggregate nearest neighbor queries in spatial databases. authors: d papadias , y tao , k mouratidis , ck hui. venue: acm transactions on database systems ,. year: 2005.0", "same": false}
+{"productA": "title: database research at arizona state university. authors: s urban , s dietrich , f golshani. venue: sigmod record. year: 1996", "productB": "title: assessment at ball state university. authors: ca palomba. venue: new directions for higher education ,. year: 1997.0", "same": false}
+{"productA": "title: managing intervals efficiently in object-relational databases. authors: h kriegel , m p\u0456tke , t seidl. venue: vldb. year: 2000", "productB": "title: index nesting-an efficient approach to indexing in object-oriented databases. authors: bc ooi , j han , h lu , kl tan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: secure buffering in firm real-time database systems. authors: b george , j haritsa. venue: vldb. year: 1998", "productB": "title: locking protocols for concurrency control in real-time database systems. authors: sl hung , ky lam. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: enhancing external consistency in real-time transactions. authors: k lin , s peng. venue: sigmod record. year: 1996", "productB": "title: on real-time transactions. authors: ja stankovic , w zhao. venue: sigmod record ,. year: 1988.0", "same": false}
+{"productA": "title: influence sets based on reverse nearest neighbor queries. authors: f korn , s muthukrishnan. venue: sigmod conference. year: 2000", "productB": "title: group nearest neighbor queries. authors: d papadias , q shen , y tao , k mouratidis. venue: nan. year: nan", "same": false}
+{"productA": "title: unisql 's next-generation object-relational database management system. authors: a d'andrea , p janus. venue: sigmod record. year: 1996", "productB": "title: a territorial database management system. authors: f antonacci , p dell ` orco , a turtur. venue: proceedings of the 1982 acm sigmod international conference & hellip ; ,. year: 1982.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: p willis. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: design and analysis of parametric query optimization algorithms. authors: s ganguly. venue: vldb. year: 1998", "productB": "title: geometric algorithms and combinatorial optimization. authors: m grotschel , l lovasz , a schrijver. venue: nan. year: 1988.0", "same": false}
+{"productA": "title: topological relations in the world of minimum bounding rectangles : a study with r-trees. authors: d papadias , y theodoridis , t sellis , m egenhofer. venue: sigmod conference. year: 1995", "productB": "title: sql queries for topological relations with minimum bounding rectangles. authors: dw randolph. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing queries on files. authors: m consens , t milo. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: nan. year: nan", "same": false}
+{"productA": "title: distributed search over the hidden web : hierarchical database sampling and selection. authors: p ipeirotis , l gravano. venue: vldb. year: 2002", "productB": "title: the impact of database selection on distributed searching. authors: al powell , jc french , j callan , m connell , cl. venue: proceedings of the 23rd annual international acm sigir & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: subject : a directory driven system for organizing and accessing large statistical databases. authors: p chan , a shoshani. venue: vldb ,. year: 1981.0", "same": false}
+{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: k n\u0458rv\u0445g. venue: vldb. year: 1999", "productB": "title: semantics and implementation of schema evolution in object-oriented database systems. authors: j banerjee , w kim , hj kim , hf korth. venue: proceedings of the international conference on management of. year: nan", "same": false}
+{"productA": "title: p-grid : a self-organizing structured p2p system. authors: k aberer , p cudr\u0449-mauroux , a datta , z despotovic , m hauswirth , m punceva , r schmidt. venue: sigmod record. year: 2003", "productB": "title: p-grid : a self-organizing access structure for p2p-informationsystems. authors: x zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: database research at nthu and itri. authors: a chen. venue: sigmod record. year: 1994", "productB": "title: database research at the queensland univ. of technology. authors: mp papazoglou , m mcloughlin , e lindsay , s willie. venue: acm sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: semantic b2b integration : issues in ontology-based applications. authors: z cui , d jones , p o'brien. venue: sigmod record. year: 2002", "productB": "title: semantic b2b integration. authors: c bussler. venue: nan. year: nan", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": false}
+{"productA": "title: xquery : a query language for xml. authors: nan. venue: nan. year: 2003", "productB": "title: xquery : the xml query language. authors: m brundage. venue: nan. year: 2004.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: query processing in a system for distributed databases ( sdd-1 ). authors: pa bernstein , n goodman , e wong , cl reeve. venue: acm transactions on database. year: 1981.0", "same": false}
+{"productA": "title: tail recursion elimination in deductive databases. authors: k ross. venue: acm trans . database syst .. year: 1996", "productB": "title: duplicates and aggregates in deductive databases. authors: is muiviick , h pirahesh , r ramakrishnan. venue: proceedings of the 16th international vldb con & ence ( brisbane & hellip ; ,. year: nan", "same": false}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: query evaluation and optimization in deductive and object-oriented spatial databases. authors: w lu , j han. venue: information and software technology ,. year: 1995.0", "same": false}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: watermark relational databases. authors: r agrawal , j kiernan. venue: proc . of the 28th inter . conf . on very large data bases ,. year: nan", "same": false}
+{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , e shekita , j kiernan , r krishnamurthy , s viglas , j naughton , i tatarinov. venue: sigmod record. year: 2001", "productB": "title: query-preserving watermarking of relational databases and xml documents. authors: d gross-amblard. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: semantic integrity in a relational data base system. authors: m hammer , d mcleod. venue: vldb ,. year: 1975.0", "same": false}
+{"productA": "title: an annotated bibliography on real-time database systems. authors: \u0436 ulusoy. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography of interactive program steering. authors: w gu , j vetter , k schwan. venue: acm sigplan notices ,. year: 1994.0", "same": false}
+{"productA": "title: a componentized architecture for dynamic electronic markets. authors: b reich , i ben-shaul. venue: sigmod record. year: 1998", "productB": "title: an affiliated search system for an electronic commerce and software component architecture. authors: i paik , t han , d oh , s ha , d park. venue: information and software technology ,. year: 2003.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fu . discovery of multiple-level association rules from large databases. authors: j han andy. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: object and file management in the exodus extensible database system. authors: mj carey , dj dewitt , ej shekita. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: aggregate-query processing in data warehousing environments. authors: agvhd quass. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , h gr\u0456ger , m missikoff. venue: acm trans . database syst .. year: 1998", "productB": "title: schema evolution in object-oriented database systems. authors: gt nguyen , d rieu. venue: data & knowledge engineering ,. year: 1989.0", "same": false}
+{"productA": "title: the xxl search engine : ranked retrieval of xml data using indexes and ontologies. authors: a theobald , g weikum. venue: sigmod conference. year: 2002", "productB": "title: the compass search engine for unified ranked retrieval of heterogenous xml and web data. authors: j graupmann , m biwer , c zimmer , c zimmer , m bender. venue: proceedings of the 30th vldb conference , toronto , canada ,. year: nan", "same": false}
+{"productA": "title: standards in practice. authors: a eisenberg , j melton. venue: sigmod record. year: 1998", "productB": "title: standards of practice. authors: rm dawes. venue: scientific standards of psychological practice : issues and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: operator scheduling in a data stream manager. authors: d carney , u \u0447etintemel , a rasin , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: load shedding in a data stream manager. authors: n tatbul , u cetintemel , s zdonik , m cherniack , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: highly concurrent cache consistency for indices in client-server database systems. authors: m zaharioudakis , m carey. venue: sigmod conference. year: 1997", "productB": "title: concurrency control in database systems. authors: b bhargava. venue: nan. year: nan", "same": false}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1998", "productB": "title: reminiscences on influential papers. authors: e bertino. venue: acm transactions on database systems ,. year: 1976.0", "same": false}
+{"productA": "title: xml schemas in oracle xml db. authors: r murthy , s banerjee. venue: vldb. year: 2003", "productB": "title: query rewrite for xml in oracle xml db. authors: m krishnaprasad , zh liu , a manikutty , jw warner , v. venue: proceedings of the international conference on very large & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining fuzzy association rules. authors: kcc chan , wh au. venue: nan. year: nan", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: t. '' mining optimized association rules for numeric attributes , . ''. authors: ty fukada , m sinichi , m tokuyama. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": false}
+{"productA": "title: management of multidimensional discrete data. authors: p baumann. venue: vldb j.. year: 1994", "productB": "title: tertiary storage support for multidimensional data. authors: b reiner. venue: vldb supercomputing databases workshop , rome , september ,. year: nan", "same": false}
+{"productA": "title: the mentor workbench for enterprise-wide workflow management. authors: d wodtke , j wei\u043fenfels , g weikum , a dittrich , p muth. venue: sigmod conference. year: 1997", "productB": "title: workflow management for the virtual enterprise. authors: k dittrich , d tombros. venue: nan. year: nan", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": false}
+{"productA": "title: approximate query translation across heterogeneous information sources. authors: k chang , h garcia-molina. venue: vldb. year: 2000", "productB": "title: query and data mapping across heterogeneous information sources. authors: kcc chang. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: control strategies for complex relational query processing in shared nothing systems. authors: l brunie , h kosch. venue: sigmod record. year: 1996", "productB": "title: query processing and inverted indices in shared-nothing text document information retrieval systems. authors: a tomasic , h garcia-molina. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors ' notes. authors: pj gray , tw banta. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: mining association rules between sets of items in large databases. authors: rat imielinski , a swami. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1999", "productB": "title: editor 's notes. authors: ja neff. venue: journal of emergency. year: nan", "same": false}
+{"productA": "title: mpeg-7 and multimedia database systems. authors: h kosch. venue: sigmod record. year: 2002", "productB": "title: standardization and database systems. authors: eh sibley. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: mp atkinson. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h tan , i korpeoglu. venue: sigmod record. year: 2003", "productB": "title: efficient content location in wireless ad hoc networks. authors: j tchakarov , n vaidya. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: nl smith. venue: new directions for program evaluation ,. year: 1981.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: distributed database management. authors: jb rothnie. venue: vldb ,. year: 1978.0", "same": false}
+{"productA": "title: towards an odmg-compliant visual object query language. authors: m chavda , p wood. venue: vldb. year: 1997", "productB": "title: a visual query language for odmg-compliant databases. authors: m chavda , pt wood. venue: nan. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: mining quantitative association rules in large relational tables [ c ]. authors: r sfikant , r agrawal. venue: proceedings of the acm-sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: a performance evaluation of oid mapping techniques. authors: a eickler , c gerlhof , d kossmann. venue: vldb. year: 1995", "productB": "title: an empirical evaluation of defect testing techniques. authors: m roper , m wood , j miller. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: buer managementin relational database systems. authors: gm sacco , m schkolnick. venue: acm transactions on database systems ,. year: nan", "same": false}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb j.. year: 2001", "productB": "title: approximate query processing : taming the terabytes ( tutorial ). authors: pb gibbons , m garofalakis. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: view management in distributed data base systems. authors: e bertino , lm haas , bg lindsay. venue: vldb ,. year: 1983.0", "same": false}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: editorial. authors: s wright , a steventon. venue: bt technology journal ,. year: 2004.0", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query cachingand optimization in distributed mediator systems. authors: s adali , ks candan , y papakonstantinou , vs. venue: proceedingsof the acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: b blohsfeld , d korus , b seeger. venue: sigmod conference. year: 1999", "productB": "title: improved histograms for selectivity estimation of range queries. authors: v poosala , y ioannidis , p haas , e shekita. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: acces path selection in a relational database management system. authors: p griths , m astrahan , d chamberlin , r lorie , t. venue: acm sigmod 1979 international conference on management of. year: nan", "same": false}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: on the implementation of a simple class of logic queries for databases. authors: d sacc\u00e3. venue: proceedings of the fifth acm sigact-sigmod symposium on & hellip ; ,. year: 1985.0", "same": false}
+{"productA": "title: an annotated bibliography of benchmarks for object databases. authors: a chaudhri. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on active databases ( short version ). authors: u jaeger , jc freytag. venue: sigmod-record ,. year: 1995.0", "same": false}
+{"productA": "title: energy-performance trade-offs for spatial access methods on memory-resident data. authors: n an , s gurumurthi , a sivasubramaniam , n vijaykrishnan , m kandemir , m irwin. venue: vldb j.. year: 2002", "productB": "title: analyzing energy behaviorofspatialaccessmethodsformemory-residentdata. authors: n an , a sivasubramaniam , n vijaykrishnan , mt. venue: the vldb journal ,. year: nan", "same": false}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: using materialized views to speed up data warehousing. authors: m teschke , a ulbrich. venue: nan. year: nan", "same": false}
+{"productA": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: c yeung , s hung , k lam. venue: sigmod record. year: 1994", "productB": "title: r validation and performance evaluation for distributed queries. authors: lf mackert , gm lohman. venue: proc . 12th int . vldb. year: nan", "same": false}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: fast subsequence matching in time-series database. authors: cfm ranganathan , y manolopoulos. venue: proc . acm sigmod int\u00e2 ?? l conf management of data , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: the o 2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod-international conference. year: nan", "same": false}
+{"productA": "title: understanding the semantics of sensor data. authors: m mani. venue: sigmod record. year: 2003", "productB": "title: understanding semantic relationships. authors: vc storey. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: ordered shared locks for real-time databases. authors: d agrawal , a abbadi , r jeffers , l lin. venue: vldb j.. year: 1995", "productB": "title: panel : real-time databases. authors: k ramamritham. venue: proc . of the 17th intl. vldb conf. , barcelona , september ,. year: nan", "same": false}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: an efficient , cost-driven index tuning wizard for microsoft sql server. authors: s chaudhuri , v narasayya. venue: 23rd international conference on very large data bases , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: wmk trochim. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: applications of the java programming language to database management. authors: b burton , v marek. venue: sigmod record. year: 1998", "productB": "title: behaviour management in database applications. authors: jy lingat , p nobecourt , c rolland. venue: nan. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: pa bernstein , y ioannidis , r ramakrishnan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: performance enhancements to a relational database system. authors: m stonebraker , j woodfill , j ranstrom , m murphy , m. venue: acm transactions on database systems ,. year: 1983.0", "same": false}
+{"productA": "title: query flocks : a generalization of association-rule mining. authors: s tsur , j ullman , s abiteboul , c clifton , r motwani , s nestorov , a rosenthal. venue: sigmod conference. year: 1998", "productB": "title: mining generalized association rules. authors: r agrawal , r srikant. venue: proceedings of the 1995 international conference of very & hellip ; ,. year: nan", "same": false}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: evaluating top-k selection queries. authors: l gravano , s chaudhuri. venue: proceedingsof vldb ,. year: nan", "same": false}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: answering queries with aggregation using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: vldb conf. , bombay ,. year: nan", "same": false}
+{"productA": "title: aries/csa : a method for database recovery in client-server architectures. authors: c mohan , i narang. venue: sigmod conference. year: 1994", "productB": "title: recovery architectures for multiprocessor database machines. authors: r agrawal. venue: nan. year: nan", "same": false}
+{"productA": "title: answering xml queries on heterogeneous data sources. authors: i manolescu , d florescu , d kossmann. venue: vldb. year: 2001", "productB": "title: boolean query mapping across heterogeneous information sources. authors: kcc chang. venue: nan. year: nan", "same": false}
+{"productA": "title: the impact of global clustering on spatial database systems. authors: t brinkhoff , h kriegel. venue: vldb. year: 1994", "productB": "title: fluting . an introduction to spatial database systems. authors: o g\u00e3 ?. venue: the vldb. year: nan", "same": false}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference ,. year: 1994.0", "same": false}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: constraint databases. authors: k hinrichs , h blunck , akv des fachbereichs. venue: nan. year: nan", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: query optimization using horizontal class partitioning in object oriented databases. authors: l bellatreche , k karlapalem , a simonet. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: a model for active object oriented databases. authors: , t milo. venue: vldb ,. year: 1991.0", "same": false}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: logical time in distributed computing systems. authors: cj fidge. venue: nan. year: nan", "same": false}
+{"productA": "title: querying multiple features of groups in relational databases. authors: d chatziantoniou , k ross. venue: vldb. year: 1996", "productB": "title: storing and querying xml documents using a path table in relational databases. authors: bj shin , m jin. venue: nan. year: nan", "same": false}
+{"productA": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: c yeung , s hung , k lam. venue: sigmod record. year: 1994", "productB": "title: an efficient distributed deadlock detection algorithm. authors: s lee. venue: nan. year: nan", "same": false}
+{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: p roy , s seshadri , a silberschatz , s sudarshan , s ashwin. venue: vldb j.. year: 1998", "productB": "title: translating object-oriented database transactions into relational transactions. authors: j fong. venue: information & software technology ,. year: 2002.0", "same": false}
+{"productA": "title: type classification of semi-structured documents. authors: m tresch , n palmer , a luniewski. venue: vldb. year: 1995", "productB": "title: effects of web document evolution on genre classification. authors: es boese , ae howe. venue: proceedings of the 14th acm international conference on & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: j oh , k hua. venue: sigmod conference. year: 2000", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: proceedings of the 1994 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: challenges for global information systems. authors: a levy , a silberschatz , d srivastava , m zemankova. venue: vldb. year: 1994", "productB": "title: infomaster : a virtual information system. authors: df geddis , mr genesereth , am keller , np singh. venue: nan. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: kn ngan. venue: ieee trans . circuits syst . video. year: nan", "same": false}
+{"productA": "title: applications of the java programming language to database management. authors: b burton , v marek. venue: sigmod record. year: 1998", "productB": "title: database programming languages : a functional approach. authors: j annevelink. venue: nan. year: nan", "same": false}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: query processing in a relational database management system. authors: k youssefi , e wong. venue: vldb ,. year: 1979.0", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining implication-based fuzzy association rules in databases. authors: e hullermeier. venue: intelligent systems for information processing : from & hellip ; ,. year: nan", "same": false}
+{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb. year: 1998", "productB": "title: an efficient data clustering method for very large databases. authors: z tian , r ramakrishnan , mb livny. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: object-oriented querrying of existing relational databases. authors: da keim , hp kriegel , a miethsam. venue: nan. year: nan", "same": false}
+{"productA": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb. year: 1999", "productB": "title: & & kramer , s. . spirit : sequential pattern mining with regular expression constraints. authors: l de raedt. venue: proc . 17 thinternational joint conference on artificial. year: nan", "same": false}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: value-based scheduling in real-time database systems. authors: jr haritsa , mj canrey , m livny. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1993.0", "same": false}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: modeling high-dimensional index structures using sampling. authors: ca lang , ak singh. venue: sigmod conference ,. year: 2001.0", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: mining association rules between sets of items in large datasets. authors: r agrawal , t imilienski , a swami. venue: proc . acm. year: nan", "same": false}
+{"productA": "title: conceptual schema analysis : techniques and applications. authors: s castano , v antonellis , m fugini , b pernici. venue: acm trans . database syst .. year: 1998", "productB": "title: harmonic analysis on symmetric spaces and applications. authors: a terras. venue: nan. year: 1988.0", "same": false}
+{"productA": "title: transaction chopping : algorithms and performance studies. authors: d shasha , f llirbat , e simon , p valduriez. venue: acm trans . database syst .. year: 1995", "productB": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference ,. year: 1994.0", "same": false}
+{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference. year: 2002", "productB": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , lvs lakshmanan , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: quality of service in multimedia digital libraries. authors: e bertino , a elmagarmid , m hacid. venue: sigmod record. year: 2001", "productB": "title: quality of service and denial of service. authors: s shalunov , b teitelbaum. venue: nan. year: nan", "same": false}
+{"productA": "title: building and customizing data-intensive web sites using weave. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: temporal database implementations. authors: mh boehlen. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: object-relational database systems : principles , products , and challenges ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: database management systems : relational , object-relational , and object-oriented data models. authors: ood models. venue: nan. year: nan", "same": false}
+{"productA": "title: spatial data management for computer aided design. authors: h kriegel , a m\u045cller , m p\u0456tke , t seidl. venue: sigmod conference. year: 2001", "productB": "title: data management for mobile computing. authors: t imielinski , br badrinath. venue: sigmod record ,. year: 1993.0", "same": false}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: en swami a , 1993 , \u00e2 ?? mining association rules between sets of items in large databases\u00e2 ??. authors: r agrawal , t imielinski. venue: proceedings of the international acm sigmod conference ,. year: nan", "same": false}
+{"productA": "title: homer : a model-based case tool for data-intensive web sites. authors: p merialdo , p atzeni , m magnante , g mecca , m pecorone. venue: sigmod conference. year: 2000", "productB": "title: caching strategies for data-intensive web sites. authors: d florescu. venue: nan. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: multimedia database management systems. authors: a ghafoo17. venue: acm computing surveys ,. year: 1995.0", "same": false}
+{"productA": "title: grid data management systems & services. authors: nan. venue: nan. year: 2003", "productB": "title: aurora : a data stream management system. authors: dj abadi , d carney , u cetintemel , m cherniack , c. venue: nan. year: nan", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: a general techniques for querying xml documents using a relational database system. authors: j shanmugasundaram , ej shekita , j kiernan , r. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 1998", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the x-tree : an index structure for highdimensional data . 22nd conf . on very large databases. authors: s berchtold , d keim , hp kriegel. venue: bombay , india ,. year: nan", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: continously adaptive continuous queries over data streams. authors: s madden , ma shah , jm hellerstein , v raman. venue: acm sigmod ,. year: nan", "same": false}
+{"productA": "title: object-oriented , rapid application development in a pc database environment. authors: f team. venue: sigmod conference. year: 1995", "productB": "title: an object-oriented environment for ois applications. authors: o nierstrasz , d tsichritzis. venue: nan. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the nu-prolog deductive database system. authors: k ramamohanarao , j shepherd , i balbin , g port , l. venue: halstead artificial intelligence series ,. year: 1989.0", "same": false}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: storage reclamation in object-oriented database systems. authors: mh butler. venue: proceedings of the acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: rt snodgrass , m winslett. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: deductive databases in action. authors: s tsur. venue: proceedings of the tenth acm sigact-sigmod-sigart symposium & hellip ; ,. year: 1991.0", "same": false}
+{"productA": "title: semantic assumptions and query evaluation in temporal databases. authors: c bettini , x wang , e bertino , s jajodia. venue: sigmod conference. year: 1995", "productB": "title: error-constrained count query evaluation in relational databases. authors: wc hou , g ozsoyoglu , e dogdu. venue: proceedings of the 1991 acm sigmod international conference & hellip ; ,. year: 1991.0", "same": false}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: the active database management systems manifesto. authors: kr dittrich , s gatziu , a geppert. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: 5 . 0 specification. authors: t revision. venue: nan. year: 1988.0", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining fuzzy association rules. authors: kcc chan , wh au. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: p ramanan. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: integrating association rule mining algorithms with relational database systems. authors: j hipp , u grimmer. venue: nan. year: nan", "same": false}
+{"productA": "title: transaction timestamping in ( temporal ) databases. authors: c jensen , d lomet. venue: vldb. year: 2001", "productB": "title: event-join optimization in temporal relational databases. authors: a segev , h gunadhi. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: self-managing technology in database management systems. authors: s chaudhuri , b dageville , g lohman. venue: nan. year: nan", "same": false}
+{"productA": "title: the naos system. authors: c collet , t coupaye. venue: sigmod conference. year: 1995", "productB": "title: the rhet system. authors: jf allen. venue: acm sigart bulletin ,. year: 1991.0", "same": false}
+{"productA": "title: editor 's notes. authors: l liu. venue: sigmod record. year: 2003", "productB": "title: editors ' notes. authors: n van note chism , dj bickford. venue: new directions for teaching and learning ,. year: nan", "same": false}
+{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: m doherty , r hull , m rupawalla. venue: sigmod conference. year: 1996", "productB": "title: indexing techniques for object-oriented databases. authors: w kim , kc kim , a dale. venue: acm press frontier series ,. year: 1989.0", "same": false}
+{"productA": "title: chair 's message. authors: nan. venue: nan. year: 2003", "productB": "title: fact division chair 's message. authors: ak gupta , d mahr. venue: nan. year: nan", "same": false}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: the architecture of an active database management system. authors: u dayal , d mccarthy. venue: acm sigmod conf ,. year: nan", "same": false}
+{"productA": "title: belief reasoning in mls deductive databases. authors: h jamil. venue: sigmod conference. year: 1999", "productB": "title: deductive databases in action. authors: s tsur. venue: proceedings of the tenth acm sigact-sigmod-sigart symposium & hellip ; ,. year: 1991.0", "same": false}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: processing frequent items over distributed data streams. authors: dd zhang. venue: nan. year: nan", "same": false}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: materialization view selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: proceedings of the 23rd vldb. year: nan", "same": false}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: mining quantitative association rules in large relation tables. authors: r sirkant , r agrawal. venue: proceedings of acm sigmod conference of management of data ,. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: relational data rights protection through watermarking. authors: r sion , m atallah , s prabhakar. venue: ieee trans . knowledge and data eng ,. year: nan", "same": false}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: algebraic signatures for scalable distributed data structures. authors: w litwin , t schwarz. venue: nan. year: nan", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining association rules in entity-relationship modeled databases. authors: l cristofor , d simovici. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: vldb. year: 2000", "productB": "title: cms-topss : efficient dissemination of rss documents. authors: m petrovic , h liu , ha jacobsen. venue: nan. year: nan", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: access path selection ma rela-uwd database management system. authors: p selmger\u00e2 ? \u00a6. venue: proceedings of the 1979 sigmod conference , boston , ma , may ,. year: nan", "same": false}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: wk im . multimedia information management in an object-oriented database system. authors: d woelk. venue: proc . very large data bases ,. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: correctness of isa hierarchies in object-oriented database schemas .. authors: acms anthology. venue: nan. year: nan", "same": false}
+{"productA": "title: an architecture to support scalable online personalization on the web. authors: a datta , k dutta , d vandermeer , k ramamritham , s navathe. venue: vldb j.. year: 2001", "productB": "title: an architecture to support context-aware applications. authors: ak dey , d salber. venue: nan. year: nan", "same": false}
+{"productA": "title: repositories and object oriented databases. authors: p bernstein. venue: sigmod record. year: 1998", "productB": "title: view definition in an object-oriented database. authors: s monk. venue: information and software technology ,. year: nan", "same": false}
+{"productA": "title: data management in ecommerce : the good , the bad , and the ugly. authors: nan. venue: nan. year: 2000", "productB": "title: data management issues in electronic commerce. authors: mt oezsu. venue: sigmod record ,. year: 1999.0", "same": false}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: aquery : query language for ordered data , optimization techniques. authors: a lerner , d shasha. venue: and experiments . technical report , march 2003 . csdocs . cs . nyu .. year: nan", "same": false}
+{"productA": "title: design and implementation of rmp - a virtual electronic market place. authors: s boll , w klas , b battaglin. venue: sigmod record. year: 1998", "productB": "title: design and implementation of virtual memory-mapped communication on myrinet. authors: c dubnicki , a bilas , k li , j philbin. venue: nan. year: nan", "same": false}
+{"productA": "title: optimizing queries on compressed bitmaps. authors: s amer-yahia , t johnson. venue: vldb. year: 2000", "productB": "title: optimizing sql queries having aggregates. authors: gt bultzingsloewen. venue: & hellip ; of the 13th international conference on vldb , p. m , stocker & hellip ; ,. year: nan", "same": false}
+{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: l raschid , j lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: an approach to implementing a relational data base management system. authors: jb rothnie. venue: proc . acm sigmod workshop on data description , access and & hellip ; ,. year: nan", "same": false}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: enabling dynamic content caching for database-driven web sites. authors: ks candan , ws li , q luo , wp hsiung , d agrawal. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: holistic twig joins on indexed xml documents. authors: h jiang , w wang , h lu , j yu. venue: vldb. year: 2003", "productB": "title: holistic twig joins : optimal xml pattern matching. authors: n bruno , n koudas , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: applying update streams in a soft real-time database system. authors: b adelberg , h garcia-molina , b kao. venue: sigmod conference. year: 1995", "productB": "title: an annotated bibliography on real-time database systems. authors: o ulusoy. venue: sigmod record ,. year: 1995.0", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editor 's introduction : assuring software quality assurance. authors: jm voas. venue: ieee software ,. year: 2003.0", "same": false}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: formal approach to hypertext system based on object-oriented database system. authors: p hitchcock , b wang. venue: information and software technology ,. year: 1992.0", "same": false}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to aditi deductive database system. authors: j vaghani. venue: australian computer journal ,. year: 1991.0", "same": false}
+{"productA": "title: distance browsing in spatial databases. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 1999", "productB": "title: incremental distance join algorithms for spatial databases. authors: gr hjaltason , h samet. venue: sigmod conference ,. year: 1998.0", "same": false}
+{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: j li , d rotem , j srivastava. venue: vldb. year: 1999", "productB": "title: algorithms for adapting materialised views in data warehouses. authors: mk mohania , g dong. venue: codas ,. year: nan", "same": false}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: performance prediction of high-dimensional index structures using sampling. authors: ca lang , ak singh. venue: nan. year: nan", "same": false}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: buffer management in relational database systems. authors: gm sacco , m schkolnick. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: 2001.0", "same": false}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: wavecluster : a wavelet-based clustering approach for spatial data in very large databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": false}
+{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: w li , c clifton. venue: vldb. year: 1994", "productB": "title: location of feature points in images using neural networks. authors: jm vincent , jb waite , dj myers. venue: bt technology journal ,. year: nan", "same": false}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: the ores temporal database system. authors: b theodolidis , ga ait-braham , j chaudhary , g. venue: proc . acm sigmod conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , mb livny. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: the analysis of the effects of concurrency control on distributed database system performance. authors: dz badal. venue: vldb ,. year: nan", "same": false}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: temporal conditions and integrity constraints in active databases. authors: ap sistla , o wolfson. venue: proc . of the 1995 sigmod international conference on the. year: nan", "same": false}
+{"productA": "title: dynamic sample selection for approximate query processing. authors: b babcock , s chaudhuri , g das. venue: sigmod conference. year: 2003", "productB": "title: new sampling-based summary statistics for improving approximate query processing. authors: pb gibbons , y matias. venue: proceeding of acm sigmod conference , seattle , wa , usa , june ,. year: nan", "same": false}
+{"productA": "title: issues in data stream management. authors: l golab , m \u0436zsu. venue: sigmod record. year: 2003", "productB": "title: load shedding in a data stream manager. authors: n tatbul , u cetintemel , s zdonik , m cherniack , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": false}
+{"productA": "title: distributed top-n query processing with possibly uncooperative local systems. authors: c yu , g philip , w meng. venue: vldb. year: 2003", "productB": "title: distributed query processing in a relational data base system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the 1978 acm sigmod international conference. year: nan", "same": false}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: modern database systems. authors: w kim\u00e2 ? \u00a6. venue: nan. year: 1995.0", "same": false}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: semantics and implementation of schema evolution in object-oriented databases. authors: j barnejee , w kim , hj kim , h korth. venue: sigmod records ,. year: 1987.0", "same": false}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: a study of index structures for main memory database management systems. authors: tj lehman , mj carey. venue: vldb ,. year: 1986.0", "same": false}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: the architecture of an active data base management system. authors: dr mccarthy. venue: nan. year: nan", "same": false}
+{"productA": "title: relaxed transaction processing. authors: m singh , c tomlinson , d woelk. venue: sigmod conference. year: 1994", "productB": "title: secure real-time transaction processing. authors: jr haritsa , b george. venue: nan. year: nan", "same": false}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: configuring distributed systems. authors: j kramer , j magee , m sloman. venue: nan. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization of nested queries revisited. authors: ra ganski , hkt wong. venue: proceedings of acm sigmod international conference on. year: nan", "same": false}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: data staging for on-demand broadcast. authors: d aksoy , mj franklin , s zdonik. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , m b\u0456hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: logical design for temporal databases with multiple granularities. authors: xswcba brodsky , s jajodia. venue: i > acm trans . database systems , < / i > to appear ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editorial. authors: p aplin. venue: nan. year: nan", "same": false}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: self maintenance of multiple views in data warehousing. authors: s samtani , v kumar , m mohania. venue: nan. year: nan", "same": false}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: formalization of object-oriented database model with rules. authors: s goutas , p soupos , d christodoulakis. venue: information and software technology ,. year: 1991.0", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: ew design of a multi-level file management system. authors: h ver. venue: proc . acm 21st nat . conf. , aug ,. year: nan", "same": false}
+{"productA": "title: generating spatiotemporal datasets on the www. authors: y theodoridis , m nascimento. venue: sigmod record. year: 2000", "productB": "title: on the generation of spatiotemporal datasets. authors: y theodoridis , jro silva , ma nascimento. venue: nan. year: nan", "same": false}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: gathering correlated data in sensor networks. authors: p rickenbach , r wattenhofer. venue: proceedings of acm. year: nan", "same": false}
+{"productA": "title: acm multimedia '94 conference workshop on multimedia database management systems. authors: p berra , k nwosu , b thuraisingham. venue: sigmod record. year: 1995", "productB": "title: multimedia database management systems. authors: a ghafoo17. venue: acm computing surveys ,. year: 1995.0", "same": false}
+{"productA": "title: building notification services with microsoft sqlserver. authors: p seshadri. venue: sigmod conference. year: 2003", "productB": "title: building dynamic application networks with web services. authors: m mihic. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0", "same": false}
+{"productA": "title: title , foreword. authors: nan. venue: nan. year: 1994", "productB": "title: foreword. authors: dg young. venue: nan. year: nan", "same": false}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization of client-site userdefined functions. authors: t mayr , p seshadri. venue: proc . acm sigmod. year: nan", "same": false}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: object placement in parallel object-oriented database systems. authors: s ghandeharizadeh , d wilhite , k lin , x zhao. venue: nan. year: nan", "same": false}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: rsrikant . fast algorithms for mining association rules. authors: ra rr941. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 41.0", "same": false}
+{"productA": "title: aqua : a fast decision support systems using approximate query answers. authors: s acharya , p gibbons , v poosala. venue: vldb. year: 1999", "productB": "title: the aqua approximate query answering system. authors: s acharya , pb gibbons , v poosala , s ramaswamy. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": false}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: applying parametric query optimization to non-parametric query metrics. authors: vrls vadali. venue: nan. year: 2001.0", "same": false}
+{"productA": "title: optimizing queries on compressed bitmaps. authors: s amer-yahia , t johnson. venue: vldb. year: 2000", "productB": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: nan. year: nan", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: preference queries in relational databases. authors: j chomicki. venue: acm transactions on database systems . to. year: nan", "same": false}
+{"productA": "title: interaction of query evaluation and buffer management for information retrieval. authors: b j\u0453nsson , m franklin , d srivastava. venue: sigmod conference. year: 1998", "productB": "title: xirql : a query language for information retrieval. authors: n fuhr , k grossjohann. venue: proceedings of the 24th annual international conference on. year: nan", "same": false}
+{"productA": "title: provision of market services for eco compliant electronic market places. authors: s arpinar , a dogac. venue: sigmod record. year: 2000", "productB": "title: reducing buyer search costs : implications for electronic marketplaces. authors: jy bakos. venue: management science ,. year: 1997.0", "same": false}
+{"productA": "title: web services ( industrial session ). authors: f cabrera. venue: vldb. year: 2003", "productB": "title: grid and applications ( industrial session ). authors: f leymann. venue: vldb ,. year: 2003.0", "same": false}
+{"productA": "title: using the calanda time series management system. authors: w dreyer , a dittrich , d schmidt. venue: sigmod conference. year: 1995", "productB": "title: management system. authors: csd recording. venue: nan. year: nan", "same": false}
+{"productA": "title: timber : a native system for querying xml. authors: s paparizos , s al-khalifa , a chapman , h jagadish , l lakshmanan , a nierman , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: sigmod conference. year: 2003", "productB": "title: timber : a native xml database. authors: h jagdish\u00e2 ? \u00a6. venue: acm. year: nan", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: mining frequent itemsets using support constraints. authors: k wang , y he , j han. venue: vldb. year: 2000", "productB": "title: mining frequent itemsets without support threshold : with and without item constraints. authors: yl cheung. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": false}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: query processing in a distributed relational database system. authors: r epstein , m stonebraker , e wong. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": false}
+{"productA": "title: theory of answering queries using views. authors: a halevy. venue: sigmod record. year: 2000", "productB": "title: complexity of answering queries using materialized views. authors: s abiteboul. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes and erratum. authors: nan. venue: nan. year: 1994", "productB": "title: editor 's notes. authors: wmk trochim. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: a model of queries for object-oriented databases. authors: w kim. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: the zero latency enterprise. authors: d liles. venue: vldb. year: 2000", "productB": "title: the lean enterprise. authors: c jones , n medlen , c merlo , m robertson , j. venue: bt technology journal ,. year: 1999.0", "same": false}
+{"productA": "title: congressional samples for approximate answering of group-by queries. authors: s acharya , p gibbons , v poosala. venue: sigmod conference. year: 2000", "productB": "title: icicles : self-tuning samples for approximate query answering. authors: v ganti , ml lee , r ramakrishnan. venue: vldb ,. year: 2000.0", "same": false}
+{"productA": "title: hierarchical prefix cubes for range-sum queries. authors: c chan , y ioannidis. venue: vldb. year: 1999", "productB": "title: dynamic update cube for range-sum queries. authors: sj chun , cw chung , jh lee , sl lee. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge representation meets databases. authors: nan. venue: nan. year: 1997", "productB": "title: report on the 5th international workshop on knowledge representation meets databases ( krdb\u00e2 ?? 98 ). authors: a borgida. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a design methodology for object oriented database. authors: c cauvet , c roland , c proix. venue: international conference on management of data , hyderabad , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial. authors: p willis. venue: bt technology journal ,. year: 2000.0", "same": false}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: set query optimization in distributed database systems. authors: b gavish , a segev. venue: acm transactions on database systems ,. year: 1986.0", "same": false}
+{"productA": "title: report on the 4th international conference on mobile data management. authors: nan. venue: nan. year: 2003", "productB": "title: source international conference on management of data archive. authors: m carey , d schneider. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": false}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: normal forms and relational database opera-mrs. authors: r fagin. venue: proc . acm sigmod ,. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editors ' notes. authors: r picciotto , rc rist. venue: new directions for program evaluation ,. year: 1995.0", "same": false}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: online association rule mining. authors: c hidber. venue: nan. year: nan", "same": false}
+{"productA": "title: image mining in iris : integrated retinal information system. authors: w hsu , m lee , k goh. venue: sigmod conference. year: 2000", "productB": "title: the information integration system k2. authors: v tannen. venue: bioinformatics : managing scientific data , t. critchlow and z. year: nan", "same": false}
+{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference. year: 1999", "productB": "title: a raster approximation for processing of spatial joins. authors: g zimbrao. venue: vldb ,. year: 1998.0", "same": false}
+{"productA": "title: fact : a learning based web query processing system. authors: s chen , y diao , h lu , z tian. venue: sigmod conference. year: 2000", "productB": "title: rainbow : mapping-driven xquery processing system. authors: x zhang , m mulchandani , s christ , b murphy , ea. venue: nan. year: nan", "same": false}
+{"productA": "title: title , announcement. authors: nan. venue: nan. year: 1995", "productB": "title: ispp announcements. authors: igs complimentary. venue: nan. year: nan", "same": false}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: dwms : data warehouse management system. authors: n mohan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": false}
+{"productA": "title: visionary : a next generation visualization system for databases. authors: m stonebraker. venue: sigmod conference. year: 2003", "productB": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: repositories and object oriented databases. authors: pa bernstein. venue: sigmod record ,. year: 1998.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: report on the object-oriented database workshop , ''. authors: j joseph , s thatte , c thompson , d wells. venue: acm sigmod record ,. year: nan", "same": false}
+{"productA": "title: rainforest - a framework for fast decision tree construction of large datasets. authors: j gehrke , r ramakrishnan , v ganti. venue: vldb. year: 1998", "productB": "title: rainforest-a framework for fast decision tree construction of. authors: l datasets. venue: nan. year: nan", "same": false}
+{"productA": "title: editorial. authors: nan. venue: nan. year: 2002", "productB": "title: editorial ( s ). authors: h roberts , d bell. venue: information and software technology ,. year: 1999.0", "same": false}
+{"productA": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: sigmod conference. year: 1998", "productB": "title: aggregate processing in parallel rdbms. authors: a shatdal , jf naughton. venue: proceedings of the acm sigmod conference , san jose , & hellip ; ,. year: nan", "same": false}
+{"productA": "title: industry perspectives. authors: l seligman. venue: sigmod record. year: 1997", "productB": "title: crypto policy perspectives. authors: s landau. venue: communications-acm ,. year: 1994.0", "same": false}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: medsman : a streaming data management system over live multimedia. authors: b liu , a gupta , r jain. venue: proceedings of the 13th annual acm international conference & hellip ; ,. year: 2005.0", "same": false}
+{"productA": "title: open object database management systems. authors: nan. venue: nan. year: 1994", "productB": "title: data management for earth science systems. authors: j frew. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: i. introduction. authors: d madison. venue: & hellip ; issues in evaluation . new directions in program evaluation ,. year: nan", "same": false}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: multimedia database management systems. authors: b prabhakaran. venue: nan. year: nan", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: introduction to object-oriented databases. authors: ma garvey , ms jackson. venue: information and software technology ,. year: 1989.0", "same": false}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining association rules between sets of items in large datasets. authors: r agrawal , t imilienski , a swami. venue: proc . acm. year: nan", "same": false}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: bottom up evaluation of disjunctive deductive databases. authors: j fernandez , j minker. venue: submitted for. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: m franklin. venue: sigmod record. year: 2000", "productB": "title: editor 's notes. authors: rh silkman. venue: new directions for program evaluation ,. year: nan", "same": false}
+{"productA": "title: leveraging the information asset. authors: j perna. venue: sigmod conference. year: 1995", "productB": "title: in the information age. authors: p anastasiades. venue: aa livanis editions , athens greece. year: nan", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: on computing correlated aggregates over continuous data streams. authors: j gehrke , f korn , d srivastava. venue: nan. year: nan", "same": false}
+{"productA": "title: dwms : data warehouse management system. authors: n mohan. venue: vldb. year: 1996", "productB": "title: elements of data management systems. authors: gg dodd. venue: acm computing surveys ( csur ) ,. year: 1969.0", "same": false}
+{"productA": "title: on the costs of multilingualism in database systems. authors: a kumaran , j haritsa. venue: vldb. year: 2003", "productB": "title: a theory of global control in multidatabase systems. authors: a zhang , ak elmagarmid. venue: the vldb. year: nan", "same": false}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: composite object support in an object-oriented database system. authors: w kim871 kim , j banejee , h chou , j garza , d woelk. venue: proc . acm , oopsla , october ,. year: nan", "same": false}
+{"productA": "title: opportunities in information management and assurance. authors: x qian. venue: sigmod record. year: 1997", "productB": "title: information assurance. authors: cj colwill , mc todd , gp fielder , c natanson. venue: bt technology journal ,. year: 2001.0", "same": false}
+{"productA": "title: materialized views in oracle. authors: r bello , k dias , a downing , j jr. , j finnerty , w norcott , h sun , a witkowski , m ziauddin. venue: vldb. year: 1998", "productB": "title: e-ciently updating materialized views. authors: j blakely , p larson , f tompa. venue: proceedings acm sigmod conference on management of. year: nan", "same": false}
+{"productA": "title: multi-table joins through bitmapped join indices. authors: p o'neil , g graefe. venue: sigmod record. year: 1995", "productB": "title: neill and g. graefe . multi-table joins through bitmapped join indexes. authors: p o\u00e3 cents. venue: sigmod record ,. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb ,. year: 2002.0", "same": false}
+{"productA": "title: online dynamic reordering for interactive data processing. authors: v raman , b raman , j hellerstein. venue: vldb. year: 1999", "productB": "title: frustum casting for progressive , interactive rendering. authors: s teller , j alex. venue: nan. year: nan", "same": false}
+{"productA": "title: object-oriented , rapid application development in a pc database environment. authors: f team. venue: sigmod conference. year: 1995", "productB": "title: a retrospective on database application development frameworks. authors: la rowe. venue: sigmod record ,. year: 1992.0", "same": false}
+{"productA": "title: highly concurrent cache consistency for indices in client-server database systems. authors: m zaharioudakis , m carey. venue: sigmod conference. year: 1997", "productB": "title: secure concurrency control in firm real-time database systems. authors: b george , jr haritsa. venue: distributed and parallel databases ,. year: 2000.0", "same": false}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: object systems over relational databases. authors: mk crowe. venue: information and software technology ,. year: 1993.0", "same": false}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: distributed sensor networks : a multiagent perspective. authors: v lesser , cl ortiz , m tambe. venue: nan. year: 2003.0", "same": false}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: bilvideo video database management system. authors: o ulusoy , c alper. venue: nan. year: nan", "same": false}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: storing and querying ordered xml using a relational database system. authors: i tatarinov. venue: sigmod conference ,. year: 2002.0", "same": false}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: the o2 object-oriented database system. authors: f bancilhon. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: exploiting k-constraints to reduce memory overhead in continuous queries over data streams. authors: s babu , u srivastava , j widom. venue: acm transactions on database systems ,. year: 2004.0", "same": false}
+{"productA": "title: database issues in telecommunications network management. authors: i ahn. venue: sigmod conference. year: 1994", "productB": "title: business process flow management and its application in the telecommunications management network. authors: mc shan , jw davis , w du , q chen. venue: nan. year: nan", "same": false}
+{"productA": "title: editor 's notes. authors: j widom. venue: sigmod record. year: 1995", "productB": "title: editor 's notes. authors: sb merriam. venue: new directions for adult and continuing education ,. year: nan", "same": false}
+{"productA": "title: dbcache : database caching for web application servers. authors: m altinel , q luo , s krishnamurthy , c mohan , h pirahesh , b lindsay , h woo , l brown. venue: sigmod conference. year: 2002", "productB": "title: dbcache : a project on database caching support for web applications. authors: c mohan. venue: nan. year: nan", "same": false}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: guest editors ' introduction. authors: dc phillips , e callan. venue: international journal of educational research ,. year: 2001.0", "same": false}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: a model of queries for object-oriented databases. authors: w kim. venue: vldb ,. year: 1989.0", "same": false}
+{"productA": "title: a cost model for clustered object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1995", "productB": "title: a visual language for object-oriented databases. authors: cif doodle. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: data management issues in electronic commerce guest editor 's introduction. authors: a dogac. venue: sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: an axiomatic model of dynamic schema evolution in objectbase systems. authors: r peters , m \u0436zsu. venue: acm trans . database syst .. year: 1997", "productB": "title: implementation of schema evolution in object-oriented databases. authors: j banerjee , wk semantics. venue: proceedings of the 1987 acm sigmod intenational conference & hellip ; ,. year: nan", "same": false}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: queries and query processing in object-oriented database systems. authors: dd straube , mt \u00e3?zsu. venue: acm transactions on information systems ( tois ) ,. year: 1990.0", "same": false}
+{"productA": "title: an algebraic approach to static analysis of active database rules. authors: e baralis , j widom. venue: acm trans . database syst .. year: 2000", "productB": "title: jm hellerstein static analysis techniques for predicting the behavior of active database rules. authors: a aiken , j widom. venue: transactions on database. year: nan", "same": false}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: integration of time versions into a relational database system. authors: p dadam , vy lum , hd werner. venue: vldb ,. year: 1984.0", "same": false}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the architecture of an active data base management system. authors: dr mecartny , u dayal. venue: proc . acm sigmod , portland ,. year: nan", "same": false}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: an axiomatic model for deductive object-oriented databases. authors: zt kardkovacs , gm suranyi. venue: nan. year: nan", "same": false}
+{"productA": "title: efficient view maintenance at data warehouses. authors: d agrawal , a abbadi , a singh , t yurek. venue: sigmod conference. year: 1997", "productB": "title: view maintenance in a warehouse environment. authors: y zhuge , h garcia-molina , jl wiener. venue: acm sigmod int . conf . on management of data ,. year: nan", "same": false}
+{"productA": "title: the sift information dissemination system. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: active multicast information dissemination. authors: s zabele , b braden , m keaton , b lindell. venue: submitted for. year: nan", "same": false}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: wizard for sql server. authors: d assistant. venue: nan. year: nan", "same": false}
+{"productA": "title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994", "productB": "title: tsichritz ~ s , d. zeta : a relational data base management system. authors: b czarnik , sa schuster , d tsichritzis. venue: proc . acm pacific conf ,. year: nan", "same": false}
+{"productA": "title: toward learning based web query processing. authors: y diao , h lu , s chen , z tian. venue: vldb. year: 2000", "productB": "title: compensation-based on-line query processing. authors: v srinivasan , mj carey. venue: proceedings of the 1992 acm sigmod international conference & hellip ; ,. year: 1992.0", "same": false}
+{"productA": "title: a system for watermarking relational databases. authors: r agrawal , p haas , j kiernan. venue: sigmod conference. year: 2003", "productB": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm transactions on database systems ,. year: 1994.0", "same": false}
+{"productA": "title: editor 's ( farewell ) notes. authors: nan. venue: nan. year: 1995", "productB": "title: editor 's notes. authors: dw leslie. venue: new directions for higher education ,. year: nan", "same": false}
+{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: r cochrane , h pirahesh , n mattos. venue: vldb. year: 1996", "productB": "title: temporal conditions and integrity constraints in active databases. authors: ap sistla , o wolfson. venue: proc . of the 1995 sigmod international conference on the. year: nan", "same": false}
+{"productA": "title: transaction timestamping in ( temporal ) databases. authors: c jensen , d lomet. venue: vldb. year: 2001", "productB": "title: temporal aggregation in active databases. authors: i motakis , c zaniolo. venue: int . conf . on the management of data ,. year: nan", "same": false}
+{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c galindo-legaria , a rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: bringing order to query optimization. authors: g slivinskas , cs jensen , rt snodgrass. venue: acm sigmod record ,. year: 2002.0", "same": false}
+{"productA": "title: real-time index concurrency control. authors: j haritsa , s seshadri. venue: sigmod record. year: 1996", "productB": "title: robust real-time index concurrency control. authors: s narayanan , b goyal , j haritsa , s seshadri. venue: technical report tr-97-03 , dsl/serc , indian institute of science. year: nan", "same": false}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: equivalences among aggregate queries with negation. authors: s cohen , w nutt , y sagiv. venue: nan. year: nan", "same": false}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: an efficient algorithm for mining association in large databases. authors: a savasere , e omiecinski , s navathe. venue: nan. year: nan", "same": false}
+{"productA": "title: performance of future database systems : bottlenecks and bonananzas. authors: c baru. venue: vldb. year: 1996", "productB": "title: architecture of future data base systems. authors: la rowe , m stonebraker. venue: sigmod record ,. year: 1981.0", "same": false}
+{"productA": "title: quality-driven integration of heterogenous information systems. authors: f naumann , u leser , j freytag. venue: vldb. year: 1999", "productB": "title: quality-driven integration of heterogeneous information systems. authors: f naumann , u leser , jc freytag. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: visual web information extraction with lixto. authors: r baumgartner , s flesca , g gottlob. venue: vldb. year: 2001", "productB": "title: visual web information extraction with lixto. authors: g gottlob , r baumgartner , s flesca. venue: proc . vldb ,. year: nan", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules , proc. authors: r agrawal , r srikant. venue: vldb. year: nan", "same": true}
+{"productA": "title: an open storage system for abstract objects. authors: s blott , l relly , h schek. venue: sigmod conference. year: 1996", "productB": "title: an open abstract-object storage system. authors: s blott , l relly , hj schek. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: automatic segmentation of text into structured records. authors: v borkar , k deshmukh , s sarawagi. venue: sigmod conference. year: 2001", "productB": "title: automatic segmentation of text into structured records. authors: vr borkar , k deshmukh , s sarawagi. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: composite events for active databases : semantics , contexts and detection. authors: s chakravarthy , v krishnaprasad , e anwar , s kim. venue: vldb. year: 1994", "productB": "title: composite events for active databases : semantics , contexts and detection. authors: s chakravarthy , v krishnaprasad , e anwar , sk kim. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: sigmod record. year: 1997", "productB": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: on efficiently implementing schemasql on an sql database system. authors: l lakshmanan , f sadri , s subramanian. venue: vldb. year: 1999", "productB": "title: on an efficient implementation of schemasql. authors: lvs lakshmanan , f sadri , in subramanian. venue: nan. year: nan", "same": true}
+{"productA": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: a hulgeri , s sudarshan. venue: vldb. year: 2003", "productB": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: a hulgeri , s sudarshan. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record. year: 2000", "productB": "title: knowledge discovery in data warehouses .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: sqlem : fast clustering in sql using the em algorithm. authors: c ordonez , p cereghini. venue: sigmod conference. year: 2000", "productB": "title: sqlem : fast clustering in sql using the em algorithm. authors: c ordonez. venue: nan. year: nan", "same": true}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: proc . of acm sigmod. year: nan", "same": true}
+{"productA": "title: the medusa project : autonomous data management in a shared-nothing parallel database machine. authors: g bryan , w moore , b curry , k lodge , j geyer. venue: sigmod conference. year: 1994", "productB": "title: the medusa project : autonomous data management in a shared-nothing parallel database machine. authors: gm bryan , we moore , bj curry , kw lodge , j geyer. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: j gray , g graefe. venue: sigmod record. year: 1997", "productB": "title: the five-minute rule ten years later , and other computer storage rules of thumb / / sigmod record . 1997. authors: j gray , g graefe. venue: nan. year: nan", "same": true}
+{"productA": "title: weaving relations for cache performance. authors: a ailamaki , d dewitt , m hill , m skounakis. venue: vldb. year: 2001", "productB": "title: hill : weaving relations for cache performance. authors: a ailamaki , dj dewitt , d mark. venue: submitted for publication , february ,. year: nan", "same": true}
+{"productA": "title: a protein patent query system powered by kleisli. authors: j chen , l wong , l zhang. venue: sigmod conference. year: 1998", "productB": "title: a protein patent query system powered by kleisli. authors: jclwl zhang. venue: nan. year: nan", "same": true}
+{"productA": "title: counting , enumerating , and sampling of execution plans in a cost-based query optimizer. authors: f waas , c galindo-legaria. venue: sigmod conference. year: 2000", "productB": "title: counting , enumerating , and sampling of execution plans in a cost-based query optimizer. authors: f waas , c galindo-legaria. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: the pointcast network. authors: s ramakrishnan , v dayal. venue: sigmod conference. year: 1998", "productB": "title: the pointcast network. authors: s ramakrishnan , v dayal. venue: nan. year: nan", "same": true}
+{"productA": "title: the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m jones , p marr\u0453n. venue: sigmod conference. year: 1996", "productB": "title: p. marron the multiview project : object-oriented view technology and applications , acm sigmod intl. .. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: using sets of feature vectors for similarity search on voxelized cad objects. authors: h kriegel , s brecheisen , p kr\u0456ger , m pfeifle , m schubert. venue: sigmod conference. year: 2003", "productB": "title: using sets of feature vectors for similarity search on voxelized cad objects. authors: hp kriegel , s brecheisen , m pfeifle , m schubert. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: temporal conditions and integrity constraints in active database systems. authors: ap sistla , o wolfson. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: high-concurrency locking in r-trees. authors: m kornacker , d banks. venue: vldb. year: 1995", "productB": "title: high-concurrency in r-trees [ c ]. authors: m komacker , d banks. venue: proc 21th international conference on vldb ,. year: nan", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: b } ohm b , kriegel hp ( 1998 ) the pyramidtechnique : towards breaking the curse of dimensionality. authors: s berchtold. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: n kabra , d dewitt. venue: vldb j.. year: 1999", "productB": "title: opt + + - an object oriented implementation for extensible database query optimization , submitted for. authors: n kabra , d dewitt. venue: see. year: nan", "same": true}
+{"productA": "title: on wrapping query languages and efficient xml integration. authors: v christophides , s cluet , j sim\u0449on. venue: sigmod conference. year: 2000", "productB": "title: on wrapping query languages and efficient xml integration , rapport verso numro 170 , octobre 1999 .. authors: v christophides , s cluet , j simon. venue: cluet , s. gamerman , oql : le solide. year: nan", "same": true}
+{"productA": "title: the bea/xqrl streaming xquery processor. authors: d florescu , c hillery , d kossmann , p lucas , f riccardi , t westmann , m carey , a sundararajan , g agrawal. venue: vldb. year: 2003", "productB": "title: the bea/xqrl streaming xquery processor. authors: d florescu , c hillery , d kossmann , p lucas , f. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: approximate query processing : taming the terabytes. authors: m garofalakis , p gibbons. venue: vldb. year: 2001", "productB": "title: approximate query processing : taming the terabytes ( tutorial ). authors: pb gibbons , m garofalakis. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: the consensus glossary of temporal database concepts-february 1998 version. authors: cs jensen , ce dyreson. venue: nan. year: nan", "same": true}
+{"productA": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: j lee , d kim , c chung. venue: sigmod conference. year: 1999", "productB": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: jh lee , dh kim , cw chung. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: join queries with external text sources : execution and optimization techniques. authors: s chaudhuri , u dayal , t yan. venue: sigmod conference. year: 1995", "productB": "title: join queries with external text sources : execution and optimization techniques. authors: s chaudhuri , u dayal , tw yan. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: netcube : a scalable tool for fast data mining and compression. authors: d margaritis , c faloutsos , s thrun. venue: vldb. year: 2001", "productB": "title: netcube : a scalable tool for fast data mining and compression. authors: dmcfs thrun. venue: nan. year: nan", "same": true}
+{"productA": "title: extended ehemeral logging : log storage management for applications with long lived transactions. authors: j keen , w dally. venue: acm trans . database syst .. year: 1997", "productB": "title: extended ephemeral logging : log storage management for applications with long-lived transactions. authors: js keen , wj dally. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: logical design for temporal databases with multiple granularities. authors: x wang , c bettini , a brodsky , s jajodia. venue: acm trans . database syst .. year: 1997", "productB": "title: logical design for temporal databases with multiple temporal types. authors: xs wang , c bettini , a brodsky , s jajodia. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: probe , count , and classify : categorizing hidden web databases. authors: p ipeirotis , l gravano , m sahami. venue: sigmod conference. year: 2001", "productB": "title: probe , count , and classify : categorizing hidden web databases. authors: pg ipeirotis , l gravano , m sahami. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: high-performance sorting on networks of workstations. authors: a arpaci-dusseau , r arpaci-dusseau , d culler , j hellerstein , d patterson. venue: sigmod conference. year: 1997", "productB": "title: jm , hellerstein , and da patterson . high-performance sorting on networks of workstations. authors: ac axpaci-dusseau , rh arpaci-dussenu , de culler. venue: & hellip ; 1997acm sigmod httcrnationul conference on mumqemen f & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a unified framework for enforcing multiple access control policies. authors: s jajodia , p samarati , v subrahmanian , e bertino. venue: sigmod conference. year: 1997", "productB": "title: a unified framework for enforcing multiple access control policies. authors: e bertino , s jajodia , p samarati , vs subrahmanian. venue: proceedings of acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: first-class views : a key to user-centered computing. authors: a rosenthal , e sciore. venue: sigmod record. year: 1999", "productB": "title: first-class views : a key to user-centered computing and slimmer tiers. authors: a rosenthal , e sciore. venue: nan. year: nan", "same": true}
+{"productA": "title: modularization techniques for active rules design. authors: e baralis , s ceri , s paraboschi. venue: acm trans . database syst .. year: 1996", "productB": "title: modularization techniques for active rules design. authors: e baralis , s ceri , s paraboschi. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: type-checking oql queries in the odmg type systems. authors: s alagic. venue: acm trans . database syst .. year: 1999", "productB": "title: type-checking oql queries in the odmg type systems. authors: s alagic. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: objectglobe : ubiquitous query processing on the internet. authors: r braumandl , m keidl , a kemper , d kossmann , a kreutz , s seltzsam , k stocker. venue: vldb j.. year: 2001", "productB": "title: objectglobe : ubiquitous query processing on the internet. authors: r braumandl , m keidl , a kemper , d kossmann , a. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: business process cockpit. authors: m sayal , f casati , u dayal , m shan. venue: vldb. year: 2002", "productB": "title: business process cockpit. authors: m sayal , f casati , u dayal , mc shan. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: microsoft index tuning wizard for sql server 7.0 '' , procs . of the 1998 acm sigmod conf. authors: s chaudhuri , v narasayya. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: static analysis techniques for predicting the behavior of active database rules. authors: a aiken , j hellerstein , j widom. venue: acm trans . database syst .. year: 1995", "productB": "title: jm hellerstein static analysis techniques for predicting the behavior of active database rules. authors: a aiken , j widom. venue: transactions on database. year: nan", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: k aberer. venue: sigmod record. year: 2001", "productB": "title: advanced xml data processing : guest editor 's introduction. authors: k aberer. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: turbo-charging vertical mining of large databases. authors: p shenoy , j haritsa , s sudarshan , g bhalotia , m bawa , d shah. venue: sigmod conference. year: 2000", "productB": "title: turbo-charging vertical mining of large databases. authors: p shenoy , jr haritsa , s sudarshan , g bhalotia , m. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: priority assignment in real-time active databases. authors: r sivasankaran , j stankovic , d towsley , b purimetla , k ramamritham. venue: vldb j.. year: 1996", "productB": "title: priority assignment in real-time active databases. authors: rm sivasankaran , ja stankovic , d towsley , b. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: of objects and databases : a decade of turmoil. authors: m carey , d dewitt. venue: vldb. year: 1996", "productB": "title: of objectsanddatabases : adecadeofturmoil. authors: mj carey , dj dewitt. venue: vldb ,. year: nan", "same": true}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: lore : a lightweight object repository for semistructured data. authors: d quass. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: , and gray , j. : designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: as szalay , pt kunszt. venue: microsoft technical report ,. year: nan", "same": true}
+{"productA": "title: the case for enhanced abstract data types. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1997", "productB": "title: the case for enhanced abstract data types praveen seshadri. authors: p sesshadri , m livny , r ramakrishnan. venue: nan. year: nan", "same": true}
+{"productA": "title: cosima - your smart , speaking e-salesperson. authors: w kie\u043fling , s holland , s 0003 , t ehm. venue: sigmod conference. year: 2001", "productB": "title: cosima-your smart , speaking e-salesperson. authors: w kiessling , s holland , s fischer , t ehm. venue: nan. year: nan", "same": true}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: maintaining data privacy in association rule mining , in ' 28th international conference on very large. authors: sj rizvi , jr haritsa. venue: hong kong , china ,. year: nan", "same": true}
+{"productA": "title: sql : 1999 , formerly known as sql 3. authors: a eisenberg , j melton. venue: sigmod record. year: 1999", "productB": "title: sql : 1999 , formerly known as sql3. authors: j melton , a eisenberg. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: what do those weird xml types want , anyway ?. authors: s derose. venue: vldb. year: 1999", "productB": "title: what do those weird xml types want , anyway ?. authors: sj derose. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: incremental updates of inverted lists for text document retrieval. authors: a tomasic , h garcia-molina , k shoens. venue: sigmod conference. year: 1994", "productB": "title: incremental updates of inverted lists for text document retrieval . technical note stan-cs-tn-93-1. authors: a tomasic , h garcia-molina , k shoens. venue: nan. year: 1993.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: the consensus glossary of temporal database concepts\u00e2 ?? february 1998 version , volume 1399 of lecture. authors: cs jensen , ce dyreson , m boehlen , j clifford. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: query and data mapping across heterogeneous information sources. authors: kcc chang. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: the lowell report. authors: j gray , h schek , m stonebraker , j ullman. venue: sigmod conference. year: 2003", "productB": "title: the lowell report. authors: j gray , h schek , m stonebraker , j ullman. venue: proc . 2003 acm sigmod international conference on management. year: nan", "same": true}
+{"productA": "title: introduction to constraint databases - book review. authors: nan. venue: nan. year: 2002", "productB": "title: introduction to constraint databases. authors: b kuijpers. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the ores temporal database system. authors: b theodolidis , ga ait-braham , j chaudhary , g. venue: proc . acm sigmod conf . on the management of data ,. year: nan", "same": true}
+{"productA": "title: a new join algorithm. authors: d shin , a meltzer. venue: sigmod record. year: 1994", "productB": "title: a new join algorithm. authors: dk shin , ac meltzer. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: the garlic project. authors: m roth , m arya , l haas , m carey , w cody , r fagin , p schwarz , j ii , e wimmers. venue: sigmod conference. year: 1996", "productB": "title: thegarlicproject. authors: mt roth , m arya , lm haas , mj carey , wf cody , r. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: agent-based semantic interoperability in infosleuth. authors: j fowler , b perry , m nodine , b bargmeyer. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth. authors: b bargmeyer , j fowler , m nodine , b perry. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference. year: 1994", "productB": "title: scholl. , m. ( 1994 ) : \u00e2 ?? from structured documents to novel query facilities\u00e2 ??. authors: v christophides , s abiteboul , s cluet. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: oodb indexing by class-division. authors: s ramaswamy , p kanellakis. venue: sigmod conference. year: 1995", "productB": "title: 00db indexing by class-division. authors: s ramaswamy , pc kanellakis. venue: proceedings of the acm sigmod. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: sigmod conference. year: 1994", "productB": "title: sleepers and workaholics : caching strategies in mobile environments , \u00e2\u00ba very large databases j. authors: d barbara , t imielinski. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: reasoning about spatial relationships in picture retrieval systems. authors: a sistla , c yu , r haddad. venue: vldb. year: 1994", "productB": "title: reasoning about spatial relations in picture retrieval systems. authors: ap sistla , ct yu , r haddad. venue: 20th international conference on very large data. year: nan", "same": true}
+{"productA": "title: the propel distributed services platform. authors: m carey , s kirsch , m roth , b linden , n adiba , m blow , d florescu , d li , i oprencak , r panwar , r qi , d rieber , j shafer , b sterling , t urhan , b vickery , d wineman , k yee. venue: vldb. year: 2001", "productB": "title: the propel distributed services platform. authors: m carey , s kirsch , m roth , b van der linden , n. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: outlier detection for high dimensional data. authors: c aggarwal , p yu. venue: sigmod conference. year: 2001", "productB": "title: outlier detection for high dimensional data . santa barbara , california , 2001. authors: cc aggarwal , ps yu. venue: proceedings of the 2001 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering method for very large. authors: t zhang , r ramakrishnan , m livny. venue: proceedings of acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: on multi-resolution document transmission in mobile web. authors: s yau , h leong , d mcleod , a si. venue: sigmod record. year: 1999", "productB": "title: on multi-resolution document transmission in a mobile web , the acm sigmod record sep 1999. authors: smt yau , hv leong , d mcleod , a si. venue: nan. year: nan", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the x-tree : an index structure for high-dimensional data . 22 ndint. authors: sd berchtold , d keim , hp kriegel. venue: conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: the impact of database research on industrial products ( panel summary ). authors: d barbar\u0441 , j blakeley , d fishman , d lomet , m stonebraker. venue: sigmod record. year: 1994", "productB": "title: panel : the impact of database research on industrial products ( summary ). authors: ja blakeley , d fishman , d lomet , m stonebraker. venue: nan. year: nan", "same": true}
+{"productA": "title: improving database design through the analysis of relationships. authors: d dey , v storey , t barron. venue: acm trans . database syst .. year: 1999", "productB": "title: improving database design through the analysis of relationships. authors: d dey , vc storey , tm barron. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: hyper-programming in java. authors: e zirintsis , g kirby , r morrison. venue: vldb. year: 1999", "productB": "title: hyper-programming in java. authors: e zirintsis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: view maintenance in a warehouse environment. authors: y zhuge , h garcia-molina , jl wiener. venue: acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: \u00e2 ?? specification and implementation of exceptions in workflow management systems , & rdquo. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database systems ,. year: nan", "same": true}
+{"productA": "title: a brief survey of web data extraction tools. authors: a laender , b ribeiro-neto , a silva , j teixeira. venue: sigmod record. year: 2002", "productB": "title: a brief survey of web data extraction tools. authors: as da silva , js teixeira. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: deadlock detection in distributed databases : a new algorithm and a comparative performance. authors: n krivokap\u00e3c , a kemper , e gudes. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: d ( k ) - index : an adaptive structural summary for graph-structured data. authors: c qun , a lim , k ong. venue: sigmod conference. year: 2003", "productB": "title: al. d ( k ) - index : an adaptive structural summares for graph-based data. authors: c qun. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: java support for data-intensive systems : experiences building the telegraph dataflow system. authors: m shah , s madden , m franklin , j hellerstein. venue: sigmod record. year: 2001", "productB": "title: java support for data-intensive systems : experiences building the telegraph dataflow system. authors: ma shah , jm hellerstein. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: checks and balances : monitoring data quality problems in network traffic databases. authors: f korn , s muthukrishnan , y zhu. venue: vldb. year: 2003", "productB": "title: checks and balances : monitoring data quality problems in network traffic databases. authors: f korn , s muthukrishnan , y zhu. venue: nan. year: nan", "same": true}
+{"productA": "title: composing web services on the semantic web. authors: b medjahed , a bouguettaya , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: ahmed k. elmagarmid composing web services on the semantic web. authors: b medjahed , a bouguettaya. venue: the vldb journal. year: nan", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: metu interoperable database system. authors: a dogac , e kilic , g ozhan , f ozcan , s nural , b. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: toxgene : a template-based data generator for xml. authors: d barbosa , a mendelzon , j keenleyside , k lyons. venue: sigmod conference. year: 2002", "productB": "title: toxgene : an extensible template-based data generator for xml .. authors: d barbosa , ao mendelzon , j keenleyside , ka lyons. venue: nan. year: nan", "same": true}
+{"productA": "title: mining database structure ; or , how to build a data quality browser. authors: t dasu , t johnson , s muthukrishnan , v shkapenyuk. venue: sigmod conference. year: 2002", "productB": "title: mining database structure ; or , how to build a data quality browser. authors: t dasu , t johnson , s muthukrishnan , v shkapenyuk. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: optimal histograms with quality guarantees. authors: h jagadish , n koudas , s muthukrishnan , v poosala , k sevcik , t suel. venue: vldb. year: 1998", "productB": "title: optimal histograms with quality guarantees. authors: hv jagadish. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: transparent mid-tier database caching in sql server. authors: p larson , j goldstein , j zhou. venue: sigmod conference. year: 2003", "productB": "title: mtcache : mid-tier database caching for sql server. authors: palj goldstein , h guo , j zhou. venue: nan. year: nan", "same": true}
+{"productA": "title: falcon : feedback adaptive loop for content-based retrieval. authors: l wu , c faloutsos , k sycara , t payne. venue: vldb. year: 2000", "productB": "title: falcon : feedback adaptive loop for content-based retrieval. authors: t authors , c identified. venue: nan. year: nan", "same": true}
+{"productA": "title: delivering presentations from multimedia servers. authors: n balkir , g \u0436zsoyoglu. venue: vldb j.. year: 1998", "productB": "title: delivering presentations from multimedia servers. authors: nh balkir , g ozsoyoglu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: query optimization by predicate move-around. authors: a levy , i mumick , y sagiv. venue: vldb. year: 1994", "productB": "title: query optimizationby predicatemove-around. authors: ay levy , is mumick , y sagiv. venue: proc . 20th international conference on very large data bases & hellip ; ,. year: nan", "same": true}
+{"productA": "title: report on the 18th british national conference on databases ( bncod ). authors: nan. venue: nan. year: 2002", "productB": "title: report on the 18th british national conference on databases ( bncod ). authors: c goble , b read. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: agrawal . r.\u00e2 ?? mining generalized association rules , \u00e2 ??. authors: r srikant. venue: proc . of the 21st int . conf . on very large databases ,. year: nan", "same": true}
+{"productA": "title: on computing correlated aggregates over continual data streams. authors: j gehrke , f korn , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: on computing correlated aggregates over continual data streams databases. authors: j gehrke , f korn , d srivastava. venue: proc . of the 2001 acm sigmod intl. conf . on management of. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: toward network data independence. authors: j hellerstein. venue: sigmod record. year: 2003", "productB": "title: toward network data indepence. authors: jm hellerstein. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: join algorithm costs revisited. authors: e harris , k ramamohanarao. venue: vldb j.. year: 1996", "productB": "title: join algorithm costs revisited. authors: ep harris , k ramamohanarao. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: declustering databases on heterogeneous disk systems. authors: l chen , d rotem , s seshadri. venue: vldb. year: 1995", "productB": "title: declustering databases on heterogeneous disk systems. authors: lt chen , d rotem. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: bifocal sampling for skew-resistant join size estimation. authors: s ganguly , p gibbons , y matias , a silberschatz. venue: sigmod conference. year: 1996", "productB": "title: bifocal sampling for skew-resistant join size estimation. authors: s ganguly , pb gibbons , y matias , a silberschatz. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: implementing xquery. authors: p cotton. venue: sigmod conference. year: 2002", "productB": "title: implementing xquery. authors: p cotton. venue: nan. year: nan", "same": true}
+{"productA": "title: versant replication : supporting fault-tolerant object databases. authors: y shyy , h au-yeung , c chou. venue: sigmod conference. year: 1995", "productB": "title: versant replication : supporting fault-tolerant object databases. authors: ym shyy , hs au-yeung , cp chou. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: c. b\u00e2 $ ohm , and h.-p . kriegel . the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold. venue: proc . acm-sigmod conf ,. year: nan", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: schema mapping as query discovery. authors: m hernandez , r miller , l haas. venue: proc . sigmod conf. , page ,. year: nan", "same": true}
+{"productA": "title: dbsim : a simulation tool for predicting database performance. authors: m lefler , m stokrp , c wong. venue: sigmod conference. year: 1996", "productB": "title: dbsim : a simulation tool for predicting database performance. authors: m lefler , m stokrp , c wong. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: some remarks on variable independence , closure , and orthographic dimension in constraint databases. authors: l libkin. venue: sigmod record. year: 1999", "productB": "title: some remarks on variable independence , closure , and orthographic dimension in constraint databases .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: the asilomar report on database research. authors: p bernstein , m brodie , s ceri , d dewitt , m franklin , h garcia-molina , j gray , g held , j hellerstein , h jagadish , m lesk , d maier , j naughton , h pirahesh , m stonebraker , j ullman. venue: sigmod record. year: 1998", "productB": "title: h. , stonebraker , m. , ullman , j. , 1998 , \u00e2 ?? the asilomar report on database research\u00e2 ??. authors: p bernstein , m brodie , s ceri , d dewitt , m. venue: sigmod. year: nan", "same": true}
+{"productA": "title: conceptual model of web service reputation. authors: e maximilien , m singh. venue: sigmod record. year: 2002", "productB": "title: conceptual model of service reputation. authors: em maximilien , mp singh. venue: special section on semantic web and data management , sigmod & hellip ; ,. year: nan", "same": true}
+{"productA": "title: adaptive selectivity estimation using query feedback. authors: c chen , n roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: adaptive selectivity estimation using query feedback. authors: cm chen , n roussopoulos. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: falcon : feedback adaptive loop for content-based retrieval. authors: l wu , c faloutsos , k sycara , t payne. venue: vldb. year: 2000", "productB": "title: falcon : feedback adaptive loop for content-based retrieval. authors: l wu , c faloutsos , kp sycara , tr payne. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: agent-based semantic interoperability in infosleuth. authors: j fowler , b perry , m nodine , b bargmeyer. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth sigmod record 28 : 1. authors: j fowler , b perry , m nodine , b bargmeyer. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: normalization in oodb design. authors: b lee. venue: sigmod record. year: 1995", "productB": "title: normalization in oodb design. authors: bs lee. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: vldb j.. year: 2001", "productB": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: an algebraic approach to static analysis of active database rules. authors: e baralis , j widom. venue: acm trans . database syst .. year: 2000", "productB": "title: an algebraic approach to static analysis of active database rules. authors: e baralis , j widom. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: eon , and k. smaga . your mediators need data conversion. authors: s cluet , c delobel , j sim. venue: acm sigmod conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: rapid bushy join-order optimization with cartesian products. authors: b vance , d maier. venue: sigmod conference. year: 1996", "productB": "title: rapid bushy join-order optimization with cartesian products , p. 35-46. authors: b vance , d maier. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: state of the art in workflow management research and products. authors: nan. venue: nan. year: 1996", "productB": "title: tutorial : state of the art in workflow management research and products. authors: c mohan. venue: a tutorial presented at acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: spatio-temporal retrieval with rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: vldb. year: 1999", "productB": "title: spatio-temporal retrieval with rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: editors . a glossary of temporal database concepts. authors: cs jensen , j cliord , r elmasri , sk gadia , p hayes ,. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: on random sampling over joins. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1999", "productB": "title: random sampling over joins : efficient implementations and limitations. authors: s chaudhuri , r motwani , v narasayya. venue: proceedings of the 1999 acm sigmod conference on management & hellip ; ,. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy efficientindexingonair. authors: t imielinski , s viswanathan , br badrinath. venue: proc . of1994acm. year: nan", "same": true}
+{"productA": "title: integrated data management for mobile services in the real world. authors: c hage , c jensen , t pedersen , l speicys , i timko. venue: vldb. year: 2003", "productB": "title: data modeling for mobile services in the real world. authors: cs jensen , tb pedersen , l speicys , i timko. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient management of multiversion documents by object referencing. authors: s chien , v tsotras , c zaniolo. venue: vldb. year: 2001", "productB": "title: efficient management of multiversion documents by object referencing. authors: sy chien , vj tsotras , c zaniolo. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: ominisearch : a method for searching dynamic content on the web. authors: d buttler , l liu , c pu , h paques. venue: sigmod conference. year: 2001", "productB": "title: ominisearch : a method for searching dynamic content on the web. authors: d buttler , l liu , c pu , h paques , w han , w tang. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: schemasql { a language for querying and restructuring multidatabase systems . in proc . ieee int . conf .. authors: lvs lakshmanan , f sadri , in subramanian. venue: bombay , india , september ,. year: nan", "same": true}
+{"productA": "title: efficient view maintenance at data warehouses. authors: d agrawal , a abbadi , a singh , t yurek. venue: sigmod conference. year: 1997", "productB": "title: efficient view maintenance at data warehouses. authors: t yurek. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: similarity search for adaptive ellipsoid queries using spatial transformation. authors: y sakurai , m yoshikawa , r kataoka , s uemura. venue: vldb. year: 2001", "productB": "title: similarity search for adaptive ellipsoid queries using spatial transformation. authors: y sakurai , m yoshikawa , r kataoka , s uemura. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: d. ( 1995 ) . fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and. authors: c faloutsos , ki lin. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: aurora : a data stream management system ( demo description ). authors: d abadi , d carney , u cetintemel , m cherniack , c. venue: proceedings of the 2003 acm sigmod conference on management. year: nan", "same": true}
+{"productA": "title: information management for genome level bioinformatics. authors: nan. venue: nan. year: 2001", "productB": "title: information management for genome level bioinformatics. authors: nw paton , ca goble. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia. authors: k lin , c faloutsos. venue: proceedings of acm sigmod ,. year: 1995.0", "same": true}
+{"productA": "title: stholes : a multidimensional workload-aware histogram. authors: n bruno , s chaudhuri , l gravano. venue: sigmod conference. year: 2001", "productB": "title: stholes : a multidimensional workload-aware histogram. authors: n bruno , s chaudhuri , l gravano. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: information sharing across private databases. authors: r agrawal , a evfimievski , r srikant. venue: sigmod conference. year: 2003", "productB": "title: information sharing across private databases. authors: r agrawal , av evfimievski , r srikant. venue: nan. year: nan", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: d angers of replication and a solution. authors: j gray , p helland , po\u00e2 ?? neil , d shasha. venue: int . conf . on management of data ( sigmod ) ,. year: nan", "same": true}
+{"productA": "title: indexing the positions of continuously moving objects. authors: s saltenis , c jensen , s leutenegger , m lopez. venue: sigmod conference. year: 2000", "productB": "title: indexing the position of continuously moving points. authors: s saltenis , c jensen , s leutenegger , m lopez. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: an authorization system for digital libraries. authors: e ferrari , n adam , v atluri , e bertino , u capuozzo. venue: vldb j.. year: 2002", "productB": "title: an authorization system for digital libraries. authors: e ferrari , nr adam , v atluri , e bertino , u. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: covering indexes for branching path queries. authors: r kaushik , p bohannon , j naughton , h korth. venue: sigmod conference. year: 2002", "productB": "title: covering indexes for branching path expressions. authors: r kaushik , p bohannon , jf naughton , hf korth. venue: proc . of acm sigmod intl. conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: parallel algorithms for high-dimensional similarity joins for data mining applications. authors: j shafer , r agrawal. venue: vldb. year: 1997", "productB": "title: parallel algorithms for high-dimensional similarity joins for data mining applications. authors: jc shafer , r agrawal. venue: proceedings of the 23rd international conference on very & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: lh * g : a high-availability scalable distributed data structure by record grouping. authors: w litwin. venue: nan. year: nan", "same": true}
+{"productA": "title: a content-based multimedia server for massively parallel architectures. authors: w o'connell , i ieong , d schrader , c watson , g au , a biliris , s choo , p colin , g linderman , e panagos , j wang , t walters. venue: sigmod conference. year: 1996", "productB": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: g au , a biliris , h chen , s choo , k ganapathy , g. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: c. silverstein . beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani. venue: proceedings of the acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: autoadmin ` what-if ' index analysis utility. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: autoadmin what-if index analysis utility for microsoft sql server. authors: s chaudhuri , v narasayya. venue: proc . of acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: metadata for digital media : introduction to the special issue. authors: w klas , a sheth. venue: sigmod record. year: 1994", "productB": "title: special issue : metadata for digital media. authors: w klas , a sheth. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: application of oodb and sgml techniques in text database : an electronic dictionary system. authors: j zhang. venue: sigmod record. year: 1995", "productB": "title: application of oodb and sgml techniques in text database : an electronic dictionary system. authors: j zhang. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: discovering all most specific sentences. authors: d gunopulos , r khardon , h mannila , s saluja , h toivonen , r sharm. venue: acm trans . database syst .. year: 2003", "productB": "title: discovering all most specific sentences by randomized algorithms extended abstract\u00e2 '' , rapport , 1997. authors: d gunopulos , h manila , s saluja. venue: academy of. year: nan", "same": true}
+{"productA": "title: orthogonally persistent object systems. authors: m atkinson , r morrison. venue: vldb j.. year: 1995", "productB": "title: orthogonally persistent object systems. authors: m atkinson , r morrison. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an e cient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: proc . 1996 sigmod ,. year: nan", "same": true}
+{"productA": "title: distance-based outliers : algorithms and applications. authors: e knorr , r ng , v tucakov. venue: vldb j.. year: 2000", "productB": "title: distance-based outliers : algorithms and applications. authors: em knorr , rt ng , v tucakov. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: parallelism and its price : a case study of nonstop sql/mp. authors: s englert , r glasstone , w hasan. venue: sigmod record. year: 1995", "productB": "title: parallelism and its price : a case study of nonstop sql/mp . 1995. authors: s englert , r glasstone , w hasan. venue: sigmod record , dec ,. year: nan", "same": true}
+{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: s abiteboul , j mchugh , m rys , v vassalos , j wiener. venue: vldb. year: 1998", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: sa t jason mchught , mrv vassalod , jl wienert. venue: nan. year: nan", "same": true}
+{"productA": "title: combining fuzzy information : an overview. authors: r fagin. venue: sigmod record. year: 2002", "productB": "title: combing fuzzy information from multiple systems. authors: r fagan. venue: ibm almaden research center ,. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset counting and implication rules fopr market basket data. authors: s brin , r motwani , jd ullman , s tsur. venue: proc .. year: nan", "same": true}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb j.. year: 2001", "productB": "title: efficiently publishing relational data as xml documents. authors: j shanmungasundaram , e shekita , r barr , m carey , b. venue: & hellip ; . of the int . conf . on very large data bases ( vldb ) , cairo , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: psoup : a system for streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb j.. year: 2003", "productB": "title: psoup : a system for streaming queries over streaming data. authors: s chandrasekaran , mj franklin. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: secure and portable database extensibility. authors: m godfrey , t mayr , p seshadri , t eicken. venue: sigmod conference. year: 1998", "productB": "title: secure andportabledatabaseextensibility. authors: m godfrey , t mayr , p seshadri , t von eicken. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: the pyramid-tree : breaking the curse of d imensionality , sigmod 1998. authors: s berchtold , c boehm , hp kriegel. venue: proceedings acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: unbundling active functionality. authors: s gatziu , a koschel , g b\u045cltzingsloewen , h fritschi. venue: sigmod record. year: 1998", "productB": "title: unbundling active functionality .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: c chan , m garofalakis , r rastogi. venue: vldb j.. year: 2003", "productB": "title: re-tree : an efficient index structure for regular expressions. authors: c chee-yao , m garofalakis , r rastogi. venue: proceedings of the vldb conference , hong kong ,. year: nan", "same": true}
+{"productA": "title: towards an odmg-compliant visual object query language. authors: m chavda , p wood. venue: vldb. year: 1997", "productB": "title: towards an odmg-compliant visual object query language. authors: c manoj. venue: proc . of the 23rd vldb conference athens , greece ,. year: nan", "same": true}
+{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: s. , paraboschi , s. , pozzi , g. ( 2000 ) . specification and implementation of exceptions in workflow. authors: fc casati. venue: acm transaction on database. year: nan", "same": true}
+{"productA": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h tan , i korpeoglu. venue: sigmod record. year: 2003", "productB": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h tan , i korpeoglu. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: performance of data-parallel spatial operations. authors: e hoel , h samet. venue: vldb. year: 1994", "productB": "title: performance of data-parallel spatial operations. authors: eg hoel , h samet. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: on-line reorganization in object databases. authors: m lakhamraju , r rastogi , s seshadri , s sudarshan. venue: sigmod conference. year: 2000", "productB": "title: online reorganization in object databases. authors: lm krishna. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: how to summarize the universe : dynamic maintenance of quantiles. authors: a gilbert , y kotidis , s muthukrishnan , m strauss. venue: vldb. year: 2002", "productB": "title: how to summarize the universe : dynamic maintenance of quantiles. authors: ac gilbert , y kotidis , s muthukrishnan , m strauss. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: visual web information extraction with lixto. authors: r baumgartner , s flesca , g gottlob. venue: vldb. year: 2001", "productB": "title: gg : visual web information extraction with lixto. authors: r baumgartner , s flesca. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: efficient and transparent application recovery in client-server information systems. authors: d lomet , g weikum. venue: sigmod conference. year: 1998", "productB": "title: efficient transparent application recovery in client-server information systems. authors: d lomet , g weikum. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: partition based spatial-merge join. authors: j patel , d dewitt. venue: sigmod conference. year: 1996", "productB": "title: partition based spatial-merge join. authors: jm pate961 patel , dj dewitt. venue: proceedings of the 1996 acm-sigmod conference , june ,. year: nan", "same": true}
+{"productA": "title: application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: advanced technology seminar : application servers and associated technologies. authors: c mohan. venue: 19 thieee international conference on data engineering ( icde & hellip ; ,. year: nan", "same": true}
+{"productA": "title: \\ on saying \\ '' \\ `` enough already ! \\ '' \\ '' in sql \\ '' ''. authors: m carey , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: on saying \u00e2 ?? enough already!\u00e2 ??. authors: mj carey , d kossmann. venue: sql . in proc . of the acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: data mining using two-dimensional optimized association rules : scheme. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: algorithms , and visualization , acm ,. year: nan", "same": true}
+{"productA": "title: query flocks : a generalization of association-rule mining. authors: s tsur , j ullman , s abiteboul , c clifton , r motwani , s nestorov , a rosenthal. venue: sigmod conference. year: 1998", "productB": "title: query flocks : an extension to association-rule mining. authors: s tsur , jd ullman , s abiteboul , c clifton , r. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: a system for keyword proximity search on xml databases. authors: a balmin , v hristidis , n koudas , y papakonstantinou , d srivastava , t wang. venue: vldb. year: 2003", "productB": "title: a system for keyword proximity search on xml databases. authors: a balmin , t wang. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a case for fractured mirrors. authors: r ramamurthy , d dewitt , q su. venue: vldb. year: 2002", "productB": "title: de-witt . a case for fractured mirrors. authors: qsr ramamurthy , j david. venue: proc . vldb , hong kong ,. year: nan", "same": true}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: toward autonomic computing with db2 universal database. authors: s lightstone , g lohman , d zilio. venue: sigmod record. year: 2002", "productB": "title: toward autonomic computing with db2 universal database. authors: s lightstone , g lohman , d zilio. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: exchanging intensional xml data. authors: t milo , s abiteboul , b amann , o benjelloun , f ngoc. venue: sigmod conference. year: 2003", "productB": "title: exchanging intensional xml data. authors: t milo , s abiteboul , b amann , o benjelloun , fd. venue: acm transactions on database systems ,. year: 2005.0", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: metu interoperable database system . demo description. authors: a dogac , u halici , e kilic , g ozhan , f ozcan , s. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: cubetree : organization of and bulk updates on the data cube. authors: n roussopoulos , y kotidis , m roussopoulos. venue: sigmod conference. year: 1997", "productB": "title: cubetree : organization of and bulk incremental updates on the data cube. authors: n roussopoulos. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: naos-efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference. year: 1994", "productB": "title: fromstructured documents tonovelqueryfacilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: proceedings of acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: w li , c clifton. venue: vldb. year: 1994", "productB": "title: semantic integration in heterogeneous databases using neural networks. authors: ws li , c clifton. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: what happens during a join ? dissecting cpu and memory optimization effects. authors: s manegold , p boncz , m kersten. venue: vldb. year: 2000", "productB": "title: what happens during a join ? dissecting cpu and memory optimization effects. authors: s manegold , p boncz , ml kersten. venue: nan. year: nan", "same": true}
+{"productA": "title: pattern matching and pattern discovery in scientific , program , and document databases. authors: j wang , k zhang , d shasha. venue: sigmod conference. year: 1995", "productB": "title: pattern matching and pattern discovery in scientific , program , and document databases .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: delivering high availability for inktomi search engines. authors: e brewer. venue: sigmod conference. year: 1998", "productB": "title: delivering high availability for inktomi search engines. authors: ea brewer. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: the distributed information search component ( disco ) and the world wide web. authors: a tomasic , r amouroux , p bonnet , o kapitskaia , h naacke , l raschid. venue: sigmod conference. year: 1997", "productB": "title: the distributed information search component ( disco ) and the world wide web. authors: h naacke , o kapitskaia. venue: proc . of acm sigmod conf . on management of data ,. year: 1997.0", "same": true}
+{"productA": "title: a configrable type hierarchy index for oodb. authors: t m\u045cck , m polaschek. venue: vldb j.. year: 1997", "productB": "title: a configurable type hierarchy index for oodb. authors: ta mueck , ml polaschek. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: database research : achievements and opportunities into the 21st century. authors: a silberschatz , m stonebraker , j ullman. venue: sigmod record. year: 1996", "productB": "title: database systems : achievements and opportunities into the 21st century. authors: a silberschatz , m stonebraker , j ullman. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise : integrated querying and visual exploration of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: cheetah : a lightweight transaction server for plug-and-play internet data management. authors: g pardon , g alonso. venue: vldb. year: 2000", "productB": "title: cheetah : a lightweight transaction server for plugand-play internet data management\u00e2 ''. authors: g pardon , g alonso. venue: proceedings of the 26th vldb conference ( vldb. year: nan", "same": true}
+{"productA": "title: xml-enabled workflow management for e-services across heterogeneous platforms. authors: g shegalov , m gillmann , g weikum. venue: vldb j.. year: 2001", "productB": "title: xml-enabled workflow management for e-services across heterogeneous platforms. authors: g shegalov , m gillmann , g weikum. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: report on fqas 2002 : fifth international conference on flexible query answering systems. authors: nan. venue: nan. year: 2003", "productB": "title: report on fqas 2002 : fifth international conference on flexible query answering systems. authors: a motro , t andreasen. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb j.. year: 2001", "productB": "title: approximate query processing using wavelets [ c ]. authors: k chakrabarfi\u00e2 ? \u00a6. venue: proc of vldb ,. year: nan", "same": true}
+{"productA": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1994", "productB": "title: automatic generation of procedure rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": true}
+{"productA": "title: incremental maintenance of recursive views using relational calculus/sql. authors: g dong , j su. venue: sigmod record. year: 2000", "productB": "title: incremental maintenance of recursive views using relational calculus/sql. authors: j su. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: ramakrishnan srikant fast algorithms for mining association rules. authors: r agrawal. venue: proc . 20th tnt . conf very large data bases ,. year: nan", "same": true}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: an efficient hash based algorithm for mining association rules. authors: js park , ms chen , ps yu. venue: proc . acm sigmod int\u00e2 ?? l conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: sigmod conference. year: 2000", "productB": "title: privacy-preserving data mining. authors: r agrawal , r srikant. venue: nan. year: nan", "same": true}
+{"productA": "title: semantic and schematic similarities between database objects : a context-based approach. authors: v kashyap , a sheth. venue: vldb j.. year: 1996", "productB": "title: semantic and schematic similarities between objects in databases : a context-based approach. authors: v kashyap , a sheth. venue: public server ,. year: 1995.0", "same": true}
+{"productA": "title: finding generalized projected clusters in high dimensional spaces. authors: c aggarwal , p yu. venue: sigmod conference. year: 2000", "productB": "title: finding generalized projected clusters in high dimensional spaces. authors: cc aggarwal , ps yu. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: supporting dynamic displays using active rules. authors: o d\u044daz , a jaime , n paton , g al-qaimari. venue: sigmod record. year: 1994", "productB": "title: supporting dymmic displays using active rules. authors: o diazs , a jailnet , nw patent\u00e2 ? \u00a6. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the tv-tree : an index for high-dimensional data. authors: ki lin , hv jagadish , c faloutsos. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: contextualizing the information space in federated digital libraries. authors: m papazoglou , j hoppenbrouwers. venue: sigmod record. year: 1999", "productB": "title: contextualizing the information space in federated digital libraries. authors: m papazoglou , j hoppenbrouwers. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: b jihad , o kinji. venue: sigmod record. year: nan", "same": true}
+{"productA": "title: towards effective and efficient free space management. authors: m mcauliffe , m carey , m solomon. venue: sigmod conference. year: 1996", "productB": "title: towards effective and efficient free space management. authors: ml mcaulie , mj carey , mh solomon. venue: proceedings of the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: wireless client/server computing for personal information services and applications. authors: a elmagarmid , j jing , t furukawa. venue: sigmod record. year: 1995", "productB": "title: wireless client/server computing for personal information services and applications. authors: a elmagarmid , j jing , t furukawa. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: fast nearest neighbor search in medical image databases , university of maryland at college park ,. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z. venue: md ,. year: nan", "same": true}
+{"productA": "title: public : a decision tree classifier that integrates building and pruning. authors: r rastogi , k shim. venue: vldb. year: 1998", "productB": "title: public : a decision tree classifier that integrates building and pruning . data mining and knwoledge. authors: r rastogi , k shim. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: efficient processing of joins on set-valued attributes. authors: n mamoulis. venue: sigmod conference. year: 2003", "productB": "title: efficient processing of joins on set-valued attributes. authors: n mamoulis. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: sprint : a scalable parallel classifier for data mining. authors: j shafer , r agrawal , m mehta. venue: vldb. year: 1996", "productB": "title: sprint : a scalable parallel classifier for data mining. authors: r agrawal , m mehta , jc shafer. venue: proc .. year: nan", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: semantic data caching and replacement vldb. authors: s dar , mj franklin , b jonsson , d srivastava , m tan. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: flowback : providing backward recovery for workflow systems. authors: b kiepuszewski , r m\u045chlberger , m orlowska. venue: sigmod conference. year: 1998", "productB": "title: flowback : providing backward recovery for workflow management systems , june 1998. authors: b kiepuszewski , r muhlberger , m orlowska. venue: demonstrated at. year: nan", "same": true}
+{"productA": "title: an optimisation scheme for coalesce/valid time selection operator sequences. authors: c vassilakis. venue: sigmod record. year: 2000", "productB": "title: an optimisation scheme for coalesce/valid time selection operator sequences. authors: c vassilakis. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: parallel query scheduling and optimization with time - and space-shared resources. authors: m garofalakis , y ioannidis. venue: vldb. year: 1997", "productB": "title: parallel query scheduling and optimization with time-and space-shared resources. authors: mn garofalakis , ye ioannidis. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: efficient and transparent application recovery in client-server information systems. authors: d lomet , g weikum. venue: sigmod conference. year: 1998", "productB": "title: efficient transparent application recovery. authors: d lomet , g weikum. venue: client-server information systems .. year: nan", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large databases\u00e2 '' , bocca jb , jarke m. , zaniolo c. ,. authors: r agrawal , r srikant. venue: & hellip ; conference on very large data bases ( vldb\u00e2 ?? 94 ) , santiago de. year: nan", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: size separation spatial join. authors: n koudas , k sevcik. venue: sigmod conference. year: 1997", "productB": "title: size separation spatial join . computer systems research institute. authors: n koudas , kc sevcik. venue: csri-tr-352 . university o ] toronto , october. year: nan", "same": true}
+{"productA": "title: data management in ecommerce : the good , the bad , and the ugly. authors: nan. venue: nan. year: 2000", "productB": "title: data management in ecommerce ( tutorial session ) : the good , the bad , and the ugly. authors: a gal. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: data replication for mobile computers. authors: y huang , a sistla , o wolfson. venue: sigmod conference. year: 1994", "productB": "title: data replication for mobile computers. authors: y huang , p sistla , o wolfson. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: database research at the university of oklahoma. authors: l gruenwald , l brown , r dirckze , s guinepain , c s\u0441nchez , b summers , s vanichayobon. venue: sigmod record. year: 1999", "productB": "title: database research at the university of oklahoma. authors: lb le gruenwald , r dirckze , s guinepain , c sanchez. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: querying heterogeneous information sources using source definitions. authors: ay levy , a rajaraman , jj ordille. venue: proc . 22nd vldb conference , bombay , india ,. year: nan", "same": true}
+{"productA": "title: semantic caching of web queries. authors: b chidlovskii , u borghoff. venue: vldb j.. year: 2000", "productB": "title: semantic caching of web queries. authors: b chidlovskii , um borghoff. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: florida international university high performance database research center. authors: n rishe , w sun , d barton , y deng , c orji , m alexopoulos , l loureiro , c 0002 , m sanchez , a shaposhnikov. venue: sigmod record. year: 1995", "productB": "title: florida international university high performance database research center. authors: n rishe , a shaposhnikov , w sun , d barton , y deng ,. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: reducing multidatabase query response time by tree balancing. authors: w du , m shan , u dayal. venue: sigmod conference. year: 1995", "productB": "title: reducing multidatabase query response time by tree balancing. authors: w du , u dayal. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: pbir - perception-based image retrieval. authors: e chang , t cheng , l chang. venue: sigmod conference. year: 2001", "productB": "title: pbir-perception-based image retrieval. authors: e chang. venue: nan. year: nan", "same": true}
+{"productA": "title: voodb : a generic discrete-event random simulation model to evaluate the performances of oodbs. authors: j darmont , m schneider. venue: vldb. year: 1999", "productB": "title: voodb : a generic discrete-event random simulation model to evaluate the performances of oodbs. authors: j darmont , m schneider. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: research in multi-organizational processes and semantic information brokering at the lsdis lab. authors: a sheth , j miller , k kochut , i arpinar. venue: sigmod record. year: 2001", "productB": "title: research in multi-organizational processes and semantic information brokering at the lsdis lab. authors: a sheth , j miller , k kochut , b arpinar. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: the design and performance evaluation of alternative xml storage strategies. authors: f tian , d dewitt , j chen , c zhang. venue: sigmod record. year: 2002", "productB": "title: the design and performance evaluation of alternative xml storage strategies. authors: ftdjdw jianjun , cc zhang. venue: nan. year: nan", "same": true}
+{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: sigmod conference. year: 1998", "productB": "title: integrating association rule mining with relational database systems : alternatives and implications. authors: ld notice. venue: nan. year: nan", "same": true}
+{"productA": "title: telegraphcq : continuous dataflow processing. authors: s chandrasekaran , o cooper , a deshpande , m franklin , j hellerstein , w hong , s krishnamurthy , s madden , f reiss , m shah. venue: sigmod conference. year: 2003", "productB": "title: ad 2003 . telegraphcq : continuous dataflow processing for an uncertain world. authors: s chandrasekaran , o cooper\u00e2 ? \u00a6. venue: proc . of the conf . on innovative data systems research ( cidr. year: nan", "same": true}
+{"productA": "title: towards on-line analytical mining in large databases. authors: j han. venue: sigmod record. year: 1998", "productB": "title: towards on-line analytical mining in large databases , sigmod record. authors: j han. venue: nan. year: nan", "same": true}
+{"productA": "title: data warehousing and olap for decision support ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: decision support , data warehousing and olap , 1996. authors: s chaudhuri , u dayal. venue: vldb tutorial , bombay ,. year: nan", "same": true}
+{"productA": "title: the oracle universal server buffer. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n macnaughton. venue: vldb. year: 1997", "productB": "title: the oracle universal server buffer manager. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: j. wid om . lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: r. , and livny , m. 1996 . birch : an efficient data clustering method for very large databases. authors: tr zhang. venue: proc . acm sigmod int . conf . management of data. year: nan", "same": true}
+{"productA": "title: order-of-magnitude advantage of tpc-c though massive parallelism. authors: c levine. venue: sigmod conference. year: 1995", "productB": "title: order-of-magnitude advantage on tpc-c through massive parallelism. authors: c levine. venue: nan. year: nan", "same": true}
+{"productA": "title: computing capabilities of mediators. authors: r yerneni , c li , h garcia-molina , j ullman. venue: sigmod conference. year: 1999", "productB": "title: computing capabilities of mediators. authors: r yereni , c li , h garcia-molina , jd ullman. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: self-tuning database technology and information services : from wishful thinking to viable engineering. authors: g weikum , a m\u0456nkeberg , c hasse , p zabback. venue: vldb. year: 2002", "productB": "title: self-tuning database technology and information services : from wishful thinking to viable. authors: g weikum , a moenkeberg , c hasse , p zabback. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: real-time database - similarity semantics and resource scheduling. authors: t kuo , a mok. venue: sigmod record. year: 1996", "productB": "title: real-time database - similarity semantics and resource scheduling. authors: tw kuo. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: dynamic buffer allocation in video-on-demand systems. authors: s lee , k whang , y moon , i song. venue: sigmod conference. year: 2001", "productB": "title: dynamic buffer allocation in video-on-demand systems. authors: sh lee , ky whang , ys moon , iy song. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: reconciling schemas of disparate data sources : a machine-learning approach. authors: a doan , p domingos , a halevy. venue: sigmod conference. year: 2001", "productB": "title: reconciling schemas of disparate data sources : a machine-learning approach. authors: a doan , p domingos , ay halevy. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: enhanced nearest neighbour search on the r-tree. authors: k cheung , a fu. venue: sigmod record. year: 1998", "productB": "title: enhanced nearest neighbour search on the r-tree .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: videoanywhere : a system for searching and managing distributed video assets. authors: a sheth , c bertram , k shah. venue: sigmod record. year: 1999", "productB": "title: video anywhere : a system for searching and managing distributed heterogeneous video assets. authors: a sheth , c bertram , k shah. venue: acm sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: exploiting statistics on query expressions for optimization. authors: n bruno , s chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: statistics on query expressions. authors: n bruno , s chaudhuri. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: optimal clip ordering for multi-clip queries. authors: r ng , p shum. venue: vldb j.. year: 1998", "productB": "title: optimal clip ordering for multi-clip queries. authors: rt ng , p shum. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: garcia\u00e2?\u00ba molina , h. ( 1995 ) . generalizing gloss to vector\u00e2?\u00ba space databases and broker hierarchies. authors: l gravano. venue: proc . 21st int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: the hyperion project : from data integration to data coordination. authors: m arenas , v kantere , a kementsietsidis , i kiringa , r miller , j mylopoulos. venue: sigmod record. year: 2003", "productB": "title: the hyperion project : from data integration to data coordination. authors: m arenas\u00e2 ? \u00a6. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: xmill : an efficient compressor for xml data. authors: h liefke , d suciu. venue: sigmod conference. year: 2000", "productB": "title: xmill : an efficient compressor for xml data. authors: h liefke , d suciu. venue: nan. year: nan", "same": true}
+{"productA": "title: cost-based optimization for magic : algebra and implementation. authors: p seshadri , j hellerstein , h pirahesh , t leung , r ramakrishnan , d srivastava , p stuckey , s sudarshan. venue: sigmod conference. year: 1996", "productB": "title: cost-based optimization for magic : algebra and implementation. authors: p seshadri , jm hellerstein , h pirahesh , tyc leung ,. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: alphasort : a risc machine sort. authors: c nyberg , t barclay , z cvetanovic , j gray , d lomet. venue: sigmod conference. year: 1994", "productB": "title: alphasort : a risc machine sort. authors: c nyberg , t barclay , z cvetanovic , j gray , d lomet. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: topaz : a cost-based , rule-driven , multi-phase parallelizer. authors: c nippl , b mitschang. venue: vldb. year: 1998", "productB": "title: topaz : a cost-based , rule-driven , multi-phase parallelizer. authors: cn nm981 , b mitschang. venue: tr , technische universitat mtinchen ,. year: nan", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial database systems . special issue on spatial database systems of the vldb. authors: rh guting. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: recovering information from summary data. authors: c faloutsos , h jagadish , n sidiropoulos. venue: vldb. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?recovering information from summary data\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: c faloutsos , hv jagadish , nd sidiropoulos. venue: proc . vldb \u00e3 cents ,. year: nan", "same": true}
+{"productA": "title: amdb : an access method debugging tool. authors: m kornacker , m shah , j hellerstein. venue: sigmod conference. year: 1998", "productB": "title: amdb : an access method debugging tool. authors: m kornacker , m shah , jm hellerstein. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: an improved r-tree using fractals. authors: i kamel. venue: proc 20th international conference on very large databases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a scalable algorithm for answering queries using views. authors: r pottinger , a levy. venue: vldb. year: 2000", "productB": "title: a scalable algorithm for answering queries using views proc . of the int. authors: r pottinger , ay levy. venue: conf . on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: terraserver : a spatial data warehouse. authors: t barclay , d slutz , j gray. venue: sigmod conference. year: 2000", "productB": "title: j. gray , terraserver : a spatial data warehouse. authors: t barclay , rd slutz. venue: proceedings of the 2000 acm-sigmod conference ,. year: nan", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: gm and merialdo , p. 1997 . to weave the web. authors: p atzeni. venue: 23rd international conference on very large databases ( vldb. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: sigmod conference. year: 1994", "productB": "title: sleepers andworkaholicscaching strategiesinmobile environments. authors: d barbara , t imielinski. venue: proc . of acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: enterprise java platform data access. authors: s white , r cattell , s finkelstein. venue: sigmod conference. year: 1998", "productB": "title: enterprise java ( tm ) platform data access. authors: s white , r cattell , s finkelstein. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: improving data access of j2ee applications by exploiting asynchronous messaging and caching services. authors: s kounev , a buchmann. venue: vldb. year: 2002", "productB": "title: improving data access of j2ee applications by exploiting asynchronous processing and caching. authors: s kounev , a buchmann. venue: proc . of the 28th international conference on very large. year: nan", "same": true}
+{"productA": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: minimization of tree pattern queries. authors: a sihem , c sungran , vs laks. venue: proc . of the sigmod . santa barbara ,. year: nan", "same": true}
+{"productA": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: sigmod conference. year: 1997", "productB": "title: on-line warehouse view maintenance. authors: dqj widom. venue: nan. year: nan", "same": true}
+{"productA": "title: on wrapping query languages and efficient xml integration. authors: v christophides , s cluet , j sim\u0449on. venue: sigmod conference. year: 2000", "productB": "title: j. sim eon . on wrapping query languages and efficient xml integration full version . http : www-db .. authors: v christophides , s cluet. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: multimediaminer : a system prototype for multimedia data mining. authors: or z\u00e3 $ \u00e4 \u00b1 ane , j han , zn li , jy chiang , s chee. venue: proc .. year: nan", "same": true}
+{"productA": "title: odmg-93 : a standard for object-oriented dbmss. authors: r cattell. venue: sigmod conference. year: 1994", "productB": "title: odmg-93 : a standard for oodbmss. authors: rgg cattell. venue: sigmod rec ,. year: nan", "same": true}
+{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: j yang , k karlapalem , q li. venue: vldb. year: 1997", "productB": "title: algorithms for materialized view design in data warehousing environment. authors: j yang. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: po\u00e2 ?? neil , and d. shasha . the dangers of replication and a solution. authors: j gray , p helland. venue: acm sigmod conf . on management of data , canada ,. year: nan", "same": true}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: learning about data integration challenges from day one. authors: a halevy. venue: sigmod record. year: 2003", "productB": "title: learning about data integration challenges from day one. authors: a halevy. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: olap + + : powerful and easy-to-use federations of olap and object databases. authors: j gu , t pedersen , a shoshani. venue: vldb. year: 2000", "productB": "title: olap + + : powerful and easy-to-use federations of olap and object databases . demonstrations proposal. authors: j gu , tb pedersen , a shoshani. venue: & hellip ; - sixth international conference on very large databases ,. year: nan", "same": true}
+{"productA": "title: the database group at university of hagen ( fernuniversitaet ). authors: g schlageter , t berkel , e heuel , s mittrach , a scherer , w wilkes. venue: sigmod record. year: 1995", "productB": "title: the database group at university of hagen ( fernuniversitaet ). authors: i overview. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: independence is good : dependency-based histogram synopses for high-dimensional data. authors: a deshpande , m garofalakis , r rastogi. venue: sigmod conference. year: 2001", "productB": "title: rr independence is good : dependency-based histogram synopses for high-dimensional data. authors: a deshpande , mn garofalakis. venue: proc . 2001 acm sigmod intl. conf . managment of. year: nan", "same": true}
+{"productA": "title: processing object-oriented queries with invertible late bound functions. authors: s flodin , t risch. venue: vldb. year: 1995", "productB": "title: processing object-oriented queries with invertible late bound functions , 21st vldb conf. authors: s flodin , t risch. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: andj . d. ullman . implementing data cubes efficiently. authors: v harinarayan , a rajaraman. venue: proc . of ,. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleeper and workaholics : caching strategies in mobiles environments. authors: br badrinath , t imielinski. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: temporal database bibliography update. authors: acms record , s record. venue: sigmod record ,. year: 1982.0", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the e ectiveness of gloss for text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: proceedings of the acm. year: nan", "same": true}
+{"productA": "title: database indexing for large dna and protein sequence collections. authors: e hunt , m atkinson , r irving. venue: vldb j.. year: 2002", "productB": "title: database indexing for large dna and protein sequence collections. authors: e hunt , mp atkinson , rw irving. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the efficacy of gloss for the text database discovery problem. authors: l gravano , a tomasic. venue: nan. year: nan", "same": true}
+{"productA": "title: temporal slicing in the evaluation of xml queries. authors: d gao , r snodgrass. venue: vldb. year: 2003", "productB": "title: temporal slicing in the evaluation of xml queries. authors: d gao , rt snodgrass. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: walrus : a similarity retrieval algorithm for image databases. authors: a natsev , r rastogi , k shim. venue: sigmod conference. year: 1999", "productB": "title: walrus : a similarity retrieval algorithm for image databases. authors: a natsev , r rastogi , k shim. venue: ieee transactions on knowledge and data engineering ,. year: 2004.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation or range predicates. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: acm sigmod international. year: nan", "same": true}
+{"productA": "title: fast and accurate text classification via multiple linear discriminant projections pp. authors: s chakrabarti , s roy , m soundalgekar. venue: vldb j.. year: 2003", "productB": "title: fast and accurate text classification via multiple linear discriminant projections. authors: s chakrabarti , s roy , mv soundalgekar. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , br badrinath. venue: proceedings of the 1994 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: enhanced hypertext categorization using hyperlinks. authors: s chakrabarti , b dom , p indyk. venue: sigmod conference. year: 1998", "productB": "title: enhanced hypertext classification using hyperlinks. authors: s chakrabarti , b dom , p indyk. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: indexing the positions of continuously moving objects. authors: s saltenis , c jensen , s leutenegger , m lopez. venue: sigmod conference. year: 2000", "productB": "title: indexing the positions of continuously moving objects. authors: s \u00e5 altenis , cs jensen , st leutenegger , ma lopez. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: concept based design of data warehouses : the dwq demonstrators. authors: m jarke , c quix , d calvanese , m lenzerini , e franconi , s ligoudistianos , p vassiliadis , y vassiliou. venue: sigmod conference. year: 2000", "productB": "title: concept based design of data warehouses : the dwq demonstrators. authors: m jarke , c quix , d calvanese , m lenzerini , e. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: extending practical pre-aggregation in on-line analytical processing. authors: t pedersen , c jensen , c dyreson. venue: vldb. year: 1999", "productB": "title: e. , dc 1999 . extending practical pre-aggregation in on-line analytical processing. authors: tb pedersen , cs jensen. venue: proceedings of the 25th international conference on very. year: nan", "same": true}
+{"productA": "title: b-tree page size when caching is considered. authors: d lomet. venue: sigmod record. year: 1998", "productB": "title: b-tree page size when caching is considered .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: fast algorithms for projected clustering. authors: c aggarwal , c procopiuc , j wolf , p yu , j park. venue: sigmod conference. year: 1999", "productB": "title: fast algorithms for projected clustering. authors: cc aggarwal , c procopiuc , jl wolf , ps yu , js park. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: clique : automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal\u00e2 ? \u00a6. venue: proc . 1998 acm-sigmod int . conf . management of data ( sigmod. year: nan", "same": true}
+{"productA": "title: tuple routing strategies for distributed eddies. authors: f tian , d dewitt. venue: vldb. year: 2003", "productB": "title: tuple routing strategies for distributed eddies. authors: f tian , dj dewitt. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: cache coherency in oracle parallel server. authors: b klots. venue: vldb. year: 1996", "productB": "title: cache coherency in oracle parallel server. authors: b klots. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: probabilistic object bases. authors: t eiter , j lu , t lukasiewicz , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: probabilistic object bases. authors: t eiter , jj lu , t lukasiewicz , vs subrahmanian. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: resource scheduling in enhanced pay-per-view continuous media databases. authors: m garofalakis , b \u0436zden , a silberschatz. venue: vldb. year: 1997", "productB": "title: resource scheduling in enhanced pay-per-view continuous media databases. authors: mn garofalakis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: declarative specification of web sites with strudel. authors: m fernandez , d florescu , a levy , d suciu. venue: vldb j.. year: 2000", "productB": "title: declarative specification of web sites with strudel. authors: m fern\u00e3 \u00a1 ndez , d florescu , a levy , d suciu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: supersql : an extended sql for database publishing and presentation. authors: m toyama. venue: sigmod conference. year: 1998", "productB": "title: supersql : an extended sql for database publishing and presentation. authors: m toyama. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: b ooi , j han , h lu , k tan. venue: vldb j.. year: 1996", "productB": "title: index nesting-an efficient approach to indexing in object-oriented databases. authors: bc ooi , j han , h lu , kl tan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , ma neimat. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: the impact of database research on industrial products ( panel summary ). authors: d barbar\u0441 , j blakeley , d fishman , d lomet , m stonebraker. venue: sigmod record. year: 1994", "productB": "title: panel : the impact of database research on industrial products summary. authors: d fishman , d lomet , m stonebraker. venue: nan. year: nan", "same": true}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: sampling large databases for association mining. authors: h toivonen. venue: proc . 22nd int &#39; l conf . very large databases ,. year: nan", "same": true}
+{"productA": "title: the data that you wo n't find in databases : tutorial panel on data exchange formats. authors: p buneman , d maier. venue: sigmod conference. year: 1995", "productB": "title: the data that you wo n't find in databases : tutorial panel on data exchange formats. authors: p buneman , d maier. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: data modelling versus ontology engineering. authors: p spyns , r meersman , m jarrar. venue: sigmod record. year: 2002", "productB": "title: data modelling versus ontology engineering. authors: p spyns , r meersman. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: sql/cli - a new binding style for sql. authors: m venkatrao , m pizzo. venue: sigmod record. year: 1995", "productB": "title: sql/cli \u00e2 ?? a new binding style for sql. authors: m venkatrao , m pizzo. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: accelerating xpath location steps. authors: t grust. venue: sigmod conference. year: 2002", "productB": "title: accelerating xpath location steps in any rdbms. authors: t grust , m van keulen , j teubner. venue: acm tods ,. year: nan", "same": true}
+{"productA": "title: new sampling-based summary statistics for improving approximate query answers. authors: p gibbons , y matias. venue: sigmod conference. year: 1998", "productB": "title: new sampling-based summary statistics for improving approximate query answers . acm sigmod int. authors: m gibbons. venue: conference on management of data. year: nan", "same": true}
+{"productA": "title: agent-based semantic interoperability in infosleuth. authors: j fowler , b perry , m nodine , b bargmeyer. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: an extended entity-relationship model for geographic applications. authors: t hadzilacos , n tryfona. venue: sigmod record. year: 1997", "productB": "title: an extended entity-relationship model for geographic applications. authors: n tryfona. venue: sigmod record , newyork ,. year: nan", "same": true}
+{"productA": "title: data management issues in electronic commerce ( panel ). authors: m \u0436zsu. venue: sigmod conference. year: 1999", "productB": "title: data management issues in electronic commerce. authors: mt oezsu. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: andp . raghavan . automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos. venue: proc . 1998 acm-sigmod int . conf . management of data ( sigmod &#39;. year: nan", "same": true}
+{"productA": "title: integrated data management for mobile services in the real world. authors: c hage , c jensen , t pedersen , l speicys , i timko. venue: vldb. year: 2003", "productB": "title: integrated data management for mobile services in the real world. authors: c hage , cs jensen , tb pedersen , l speicys , i timko. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a multi-similarity algebra. authors: s adali , p bonatti , m sapino , v subrahmanian. venue: sigmod conference. year: 1998", "productB": "title: a multi-similarity algebra. authors: s adal , p bonatti , ml sapino , vs subrahmanian. venue: nan. year: nan", "same": true}
+{"productA": "title: secure buffering in firm real-time database systems. authors: b george , j haritsa. venue: vldb. year: 1998", "productB": "title: secure buffering in firm real-time database systems. authors: b george , jr haritsa. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: on relational support for xml publishing : beyond sorting and tagging. authors: s chaudhuri , r kaushik , j naughton. venue: sigmod conference. year: 2003", "productB": "title: on relational support for xml publishing : beyond sorting and tagging. authors: s chaudhuri , r kaushik , jf naughton. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: query by diagram : a graphical environment for querying databases. authors: t catarci , g santucci. venue: sigmod conference. year: 1994", "productB": "title: query by diagram : a visual environment for querying databases. authors: g santucci , pa sottile. venue: nan. year: nan", "same": true}
+{"productA": "title: adaptable pointer swizzling strategies in object bases : design , realization , and quantitative analysis. authors: a kemper , d kossmann. venue: vldb j.. year: 1995", "productB": "title: adaptable pointer swizzling strategies in object bases : design , realization , and quantitative. authors: a kemper , d kossmann. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: an extension of the relational data model to incorporate ordered domains. authors: w ng. venue: acm trans . database syst .. year: 2001", "productB": "title: an extension of the relational data model to incorporate ordered domains. authors: w ng. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: the whips prototype for data warehouse creation and maintenance. authors: w labio , y zhuge , j wiener , h gupta , h garcia-molina , j widom. venue: sigmod conference. year: 1997", "productB": "title: the whips prototype for data warehouse creation and maintenance .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient materialization and use of views in data warehouses. authors: m souza , m sampaio. venue: sigmod record. year: 1999", "productB": "title: efficient materialization and use of views in data warehouses. authors: mf de souza , mc sampaio. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: dynamic service matchmaking among agents in open information environments. authors: k sycara , m klusch , s widoff , j lu. venue: sigmod record. year: 1999", "productB": "title: dynamic service matchmaking among agents in open information environments , semantic interoperability. authors: k sycara , m klusch , j lu , s wido. venue: journal acm sigmod record. year: nan", "same": true}
+{"productA": "title: the piazza peer data management project. authors: i tatarinov , z ives , j madhavan , a halevy , d suciu , n dalvi , x dong , y kadiyska , g miklau , p mork. venue: sigmod record. year: 2003", "productB": "title: the piazza peer data management project. authors: i tatarinov\u00e2 ? \u00a6. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: hypergraph based reorderings of outer join queries with complex predicates. authors: g bhargava , p goel , b iyer. venue: sigmod conference. year: 1995", "productB": "title: hypergraph based reorderings of outer join queries with complex predicates. authors: g bhargava , p goel , b iyer. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , r miller. venue: sigmod conference. year: 2003", "productB": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , rj miller. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: indexing on air. authors: svtibr badrinath. venue: proceedings of the 1994 acm sigmod ,. year: nan", "same": true}
+{"productA": "title: watermarking relational data : framework , algorithms and analysis. authors: r agrawal , p haas , j kiernan. venue: vldb j.. year: 2003", "productB": "title: watermarking relational data : framework , algorithms and analysis. authors: r agrawal , pj haas , j kiernan. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: rainforest - a framework for fast decision tree construction of large datasets. authors: j gehrke , r ramakrishnan , v ganti. venue: vldb. year: 1998", "productB": "title: rainforest\u00e2 ?? a framework for fast decision tree classification of large datasets. authors: j gehrke , r ramakrishnan , v ganti. venue: proc . of the vldb conference , august , new york city , ny ,. year: nan", "same": true}
+{"productA": "title: informix online xps. authors: r gerber. venue: sigmod conference. year: 1995", "productB": "title: informix on line xps. authors: b gerber. venue: proceedings of the 1995 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: progress on hpcc and nii. authors: m winslett. venue: sigmod record. year: 1994", "productB": "title: progress on hpcc and nii. authors: m wixxslett. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: probview : a flexible probabilistic database system. authors: l lakshmanan , n leone , r ross , v subrahmanian. venue: acm trans . database syst .. year: 1997", "productB": "title: probview : a flexible probabilistic database system. authors: lvs lakshmanan , n leone , r ross , vs subrahmanian. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: sigmod conference. year: 1996", "productB": "title: optimizing queries over multimedia repositories. authors: s chaudhuri , l gravano. venue: nan. year: nan", "same": true}
+{"productA": "title: the bea/xqrl streaming xquery processor. authors: d florescu , c hillery , d kossmann , p lucas , f riccardi , t westmann , m carey , a sundararajan , g agrawal. venue: vldb. year: 2003", "productB": "title: the bea streaming xquery processor. authors: d florescu , c hillery , d kossmann , p lucas , f. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2004.0", "same": true}
+{"productA": "title: maintenance of automatic summary tables. authors: w lehner , r sidle , h pirahesh , r cochrane. venue: sigmod conference. year: 2000", "productB": "title: maintenance of cube automatic summary tables. authors: w lehner , r sidle , h pirahesh , r cochrane. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: snakes and sandwiches : optimal clustering strategies for a data warehouse. authors: h jagadish , l lakshmanan , d srivastava. venue: sigmod conference. year: 1999", "productB": "title: snakes and sandwiches : optimal clustering strategies for a data warehouse. authors: hv jagadish , d srivastava. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: dynamic service matchmaking among agents in open information environments. authors: k sycara , m klusch , s widoff , j lu. venue: sigmod record. year: 1999", "productB": "title: dynamic service matchmaking among agents in open information environments. authors: k sycara , m klusch , s widoff , j lu. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: databases on the web : technologies for federation architectures and case studies ( tutorial ). authors: r kramer. venue: sigmod conference. year: 1997", "productB": "title: databases on the web : technologies for federation architectures and case studies ( tutorial ) .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: automatic segmentation of text into structured records. authors: v borkar , k deshmukh , s sarawagi. venue: sigmod conference. year: 2001", "productB": "title: automatic text segmentation for extracting structured records. authors: vr borkar , k deshmukh , s sarawagi. venue: proc . acm sigmod international conf . on management of. year: nan", "same": true}
+{"productA": "title: a one-pass algorithm for accurately estimating quantiles for disk-resident data. authors: k alsabti , s ranka , v singh. venue: vldb. year: 1997", "productB": "title: a one-pass algorithm for accurately estimating quantiles for disk-resident data. authors: k alsabti , s ranka , v singh. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: the value of merge-join and hash-join in sql server. authors: g graefe. venue: vldb. year: 1999", "productB": "title: the value of merge-join and hash-join in sql server. authors: g graefe. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: visdb : a system for visualizing large databases - group of 2 & raquo ;. authors: da keim , hp kriegel. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 2000", "productB": "title: efficient algorithms for mining outliers from large data sets. authors: s ramaswamy. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: data staging for on-demand broadcast. authors: d aksoy , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: data staging for ondemand broadcast. authors: d aksoy , m franklin , s zdonik. venue: & hellip ; of the 27th international conference on very large data & hellip ; ,. year: nan", "same": true}
+{"productA": "title: catching the boat with strudel : experiences with a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1998", "productB": "title: andd . suciu . catching the boat with strudel : experiences with a web-site management system. authors: m fernandez , d florescu , j king , a levy. venue: proc . acm. year: nan", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for processing xpath queries. authors: g koch , c koch , r pichler. venue: 28th vldb conference ,. year: nan", "same": true}
+{"productA": "title: odefs : a file system interface to an object-oriented database. authors: n gehani , h jagadish , w roome. venue: vldb. year: 1994", "productB": "title: odefs : a file system interface to an object-oriented database nh gehani hv jagadish. authors: wd roome. venue: nan. year: nan", "same": true}
+{"productA": "title: storhouse metanoia - new applications for database , storage & data warehousing. authors: f cari\u0451o , p kostamaa , a kaufmann , j burgess. venue: sigmod conference. year: 2001", "productB": "title: storhouse metanoia\u00e2 ?? new applications for database. authors: f carino , p kostamaa , a kaufmann , j burgess. venue: storage & data warehousing , acm sigmod , usa ,. year: nan", "same": true}
+{"productA": "title: location-based spatial queries. authors: j zhang , m zhu , d papadias , y tao , d lee. venue: sigmod conference. year: 2003", "productB": "title: location-based spatial queries. authors: j zhang , m zhu , d papadias , y tao , dl lee. venue: nan. year: nan", "same": true}
+{"productA": "title: contracting in the days of ebusiness. authors: w h\u045cmmer , w lehner , h wedekind. venue: sigmod record. year: 2002", "productB": "title: contracting in the days of ebusiness. authors: w hthnmer , w lehner , h wedekind. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: database architecture optimized for the new bottleneck : memory access. authors: p boncz , s manegold , m kersten. venue: vldb. year: 1999", "productB": "title: database architecture optimized for the new bottleneck : memory access. authors: pa boncz. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: information management challenges from the aerospace industry. authors: s sripada. venue: vldb. year: 2002", "productB": "title: information management challenges from the aerospace industry. authors: sm sripada. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: foundations of preferences in database systems. authors: w kie\u043fling. venue: vldb. year: 2002", "productB": "title: foundations of preferences in database systems. authors: w kie\u00ee \u00b2 ling. venue: proc . of the intl. conf . on very large data bases. year: nan", "same": true}
+{"productA": "title: model and verification of a data manager based on aries. authors: d kuo. venue: acm trans . database syst .. year: 1996", "productB": "title: model and verification of a data manager based on aries. authors: d kuo. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: bulk loading into an oodb : a performance study. authors: j wiener , j naughton. venue: vldb. year: 1994", "productB": "title: bulk loading into an oodb : a performance study. authors: jl wiener , jf naughton. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: open issues in parallel query optimization. authors: w hasan , d florescu , p valduriez. venue: sigmod record. year: 1996", "productB": "title: open issues in parallel query optimization. authors: w hasan , d florescu , p valduriez. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: data management for pervasive computing. authors: m cherniack , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: data management for pervasive computing : a tutorial. authors: m franklin , m cherniack , s zdonik. venue: tutorial at the 2001 vldb conference ,. year: nan", "same": true}
+{"productA": "title: how to roll a join : asynchronous incremental view maintenance. authors: k salem , k beyer , r cochrane , b lindsay. venue: sigmod conference. year: 2000", "productB": "title: how to roll a join : asynchronous incremental view maintenance. authors: k salem , k beyer , b lindsay , r cochrane. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: optics : ordering points to identify the clustering structure. authors: m ankerst , m breunig , h kriegel , j sander. venue: sigmod conference. year: 1999", "productB": "title: m. , kriegel , h.-p. , et al. , 1999 , \u00e2 ?? optics : ordering points to identify the clustering structure\u00e2 ??. authors: m ankerst , m breunig. venue: proceedings of the acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: the consensus glossary of temporal database concepts. authors: s christian. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: path sharing and predicate evaluation for high-performance xml filtering. authors: y diao , m altinel , m franklin , h zhang , p fischer. venue: acm trans . database syst .. year: 2003", "productB": "title: path sharing and predicate evaluation for high-performance xml filtering. authors: y diao , m altinel , mj franklin , h zhang , p fischer. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: geominer : a system prototype for spatial data mining. authors: j han , k koperski , n stefanovic. venue: sigmod conference. year: 1997", "productB": "title: geominer : a system prototype for spatial mining. authors: j han , k koperski , n stefanovic. venue: proceedings , 1997 acm-sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: model and verification of a data manager based on aries. authors: d kuo. venue: acm trans . database syst .. year: 1996", "productB": "title: model and verification of a data manager based on aries .. authors: acms anthology. venue: nan. year: nan", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: shoring up persistent applications proc . of the 1994 acm sigmod conference. authors: m carey , d dewitt , j naughton , m solomon\u00e2 ? \u00a6. venue: minneapolis , mn , may ,. year: nan", "same": true}
+{"productA": "title: concurrency and recovery in generalized search trees. authors: m kornacker , c mohan , j hellerstein. venue: sigmod conference. year: 1997", "productB": "title: concurrency and recovery in gist. authors: m kornacker , c mohan , j hellerstein. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?sleepers and workaholics : caching strategies for mobile environments , \u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: d barbara , t imielinski. venue: acm. year: nan", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r golman , j widom. venue: proceedings of the twenty-third internation conference on. year: nan", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: adsp o\u00e2 ?? neil . the dangers of replication and a solution. authors: jn gray , p helland. venue: proceedings of the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: public : a decision tree classifier that integrates building and pruning. authors: r rastogi , k shim. venue: vldb. year: 1998", "productB": "title: public : a decision tree classifier that integrates building and pruning. authors: r rastogi , k shim. venue: data mining and knowledge discovery ,. year: 2000.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: the danger of replication and a solution. authors: j gary , p helland , po ` neil , d shasha. venue: procs . of acm sigmod international conf . on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: telcordia 's database reconciliation and data quality analysis tool. authors: f caruso , m cochinwala , u ganapathy , g lalk , p missier. venue: vldb. year: 2000", "productB": "title: telcordia 's database reconciliation and data quality analysis tool. authors: f caruso , m cochinwala , u ganapathy , g lalk , p. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: parallel algorithms for mining generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: proceedings of 1998 acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: fine-grained sharing in a page server oodbms. authors: m carey , m franklin , m zaharioudakis. venue: sigmod conference. year: 1994", "productB": "title: fine-grained sharing in a page server oodbms. authors: mj carey , mj franklin , m zaharioudakis. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: query by humming - in action with its technology revealed. authors: y zhu , d shasha , x zhao. venue: sigmod conference. year: 2003", "productB": "title: query by humming - in action with its technology revealed. authors: y zhu , d shasha , x zhao. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: managing intra-operator parallelism in parallel database systems , in `` proc. authors: m mehta , dj dewitt. venue: 21st conference on very large databases ( vldb &#39; 95 ) ,. year: nan", "same": true}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: kumarv ( 1997 ) scalable parallel data mining for association rules. authors: eh han , g karypis. venue: proc . acm sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: database research at ut arlington. authors: s chakravarthy , y aslandogan , r elmasri , l fegaras , j oh. venue: sigmod record. year: 2003", "productB": "title: database research at ut arlington. authors: s chakravarthy , a aslandogan , r elmasri , l fegaras. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: timer-driven database triggers and alerters : semantics and a challenge. authors: e hanson , l noronha. venue: sigmod record. year: 1999", "productB": "title: timer-drlven database triggers and alerters : semantics and a challengs [ j ]. authors: en hanson , l noronha. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: timber : a native system for querying xml. authors: s paparizos , s al-khalifa , a chapman , h jagadish , l lakshmanan , a nierman , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: sigmod conference. year: 2003", "productB": "title: timber : a native system for querying xml. authors: s paparizos. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: chorochronos : a research network for spatiotemporal database systems. authors: a frank , s grumbach , r g\u045cting , c jensen , m koubarakis , n lorentzos , y manolopoulos , e nardelli , b pernici , h schek , m scholl , t sellis , b theodoulidis , p widmayer. venue: sigmod record. year: 1999", "productB": "title: chorochronos : a research network for spatiotemporal database systems .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: filtering with approximate predicates. authors: n shivakumar , h garcia-molina , c chekuri. venue: vldb. year: 1998", "productB": "title: filtering with approximate predicates. authors: n shivakumar , h garcia-molina , c chekuri. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: congressional samples for approximate answering of group-by queries. authors: s acharya , p gibbons , v poosala. venue: sigmod conference. year: 2000", "productB": "title: congressional samples for approximate answering of group-by queries , acm sigmod int. authors: s acharaya , pb gibbons , v poosala. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: data warehousing and olap for decision support ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: data warehousing and olap for decision support ( tutorial ). authors: s chaudhuri , u dayal. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: issues in network management in the next millennium. authors: m brodie , s chaudhuri. venue: vldb. year: 1999", "productB": "title: issues in network management in the next millennium. authors: ml brodie , s chaudhuri. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: efficient resumption of interrupted warehouse loads. authors: w labio , j wiener , h garcia-molina , v gorelik. venue: sigmod conference. year: 2000", "productB": "title: efficient resumption of interrupted warehouse loads. authors: w labio , jl wiener , h garcia-molina , v gorelik. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1994", "productB": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: dynamic multi-resource load balancing in parallel database systems. authors: e rahm , r marek. venue: vldb. year: 1995", "productB": "title: dynamic multi-resource load balancing in parallel db systems. authors: e rahm , r marek. venue: international conf . on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: the role of b2b engines in b2b integration architectures. authors: c bussler. venue: sigmod record. year: 2002", "productB": "title: the role of b2b engines in b2b integration architectures. authors: c bussler. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective clustering methods or spatial data mining. authors: r ng , j han. venue: proc . 1994 int . conf . very large data bases , pages144 { 155 ,. year: nan", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: your mediatms need data conversion. authors: s cluet , c delobel , j sim\u00e3 \u00a9 on , k smaga. venue: proc . of acm sigmod conference on conference of management. year: nan", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: subrahmanianv . s. query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou. venue: proc . of. year: nan", "same": true}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association in large databases. authors: a savasere , e omiecinski , s navathe. venue: nan. year: nan", "same": true}
+{"productA": "title: the xml typechecking problem. authors: d suciu. venue: sigmod record. year: 2002", "productB": "title: the xml typechecking problem. authors: d suciu. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a survey of approaches to automatic schema matching. authors: e rahm , p bernstein. venue: vldb j.. year: 2001", "productB": "title: a survey of approaches to automatic schema mapping. authors: e rahm , pa bernstein. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: from focused crawling to expert information : an application framework for web exploration and portal generation. authors: s sizov , j graupmann , m theobald. venue: vldb. year: 2003", "productB": "title: from focused crawling to expert information : an application framework for web exploration and portal. authors: s sizov , j graupmann , m theobald. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: ki lin , hv jagadish , c faloutsos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: hilbert r-tree : an improved r-tree using fractals , in `` proceedings 20th international conference on. authors: i kamel , c faloutsos. venue: nan. year: nan", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market baskets : generalized associations rules to correlations. authors: s brin , r motwani , c silverstein. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: bounded ignorance : a technique for increasing concurrency in a replicated system. authors: n krishnakumar , a bernstein. venue: acm trans . database syst .. year: 1994", "productB": "title: bounded ignorance : a technique for increasing concurrency in a replicated system. authors: n krishnakumar , aj bernstein. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: acdn : a content delivery network for applications. authors: p karbhari , m rabinovich , z xiao , f douglis. venue: sigmod conference. year: 2002", "productB": "title: acdn : a content delivery network for applications ( project demo ). authors: p karbhari , m rabinovich , z xiao , f douglis. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: modelling and querying video data. authors: r hjelsvold , r midtstraum. venue: vldb. year: 1994", "productB": "title: modelling and querying video data. authors: r hjelsvold , r midtstraum. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: of objects and databases : a decade of turmoil. authors: m carey , d dewitt. venue: vldb. year: 1996", "productB": "title: of objects and databases : a decade of turmoil [ z ]. authors: jc michael , jd david. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: hierarchical compact cube for range-max queries. authors: s lee , t ling , h li. venue: vldb. year: 2000", "productB": "title: hierarchical compact cube for range-max queries. authors: hg li , tw ling , sy lee. venue: proceedings of the 26th vldb. year: nan", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: fast subsequence matching in time-series. authors: c faloutsos , m fanganathan , y monolopoulos. venue: proceedings 1994 acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: the drill down benchmark. authors: p boncz , t r\u045chl , f kwakkel. venue: vldb. year: 1998", "productB": "title: t. r uhl , and f. kwakkel . the drill down benchmark. authors: pa boncz. venue: procedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: the design and implementation of k : a high-level knowledge-base programming language of osam * . kbms. authors: y shyy , j arroyo , s su , h lam. venue: vldb j.. year: 1996", "productB": "title: k : a high-level knowledge base programming language for advanced database applications. authors: ym shyy. venue: nan. year: nan", "same": true}
+{"productA": "title: random sampling for histogram construction : how much is enough ?. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: random sampling for histogram construction : how much is enough ? pages 436 -- 447. authors: s chaudhuri , r motwani , v narasayya. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: workshop report on experiences using object data management in the real-world. authors: nan. venue: nan. year: 1998", "productB": "title: workshop report on experiences using object data management in the real-world. authors: ab chaudhri. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: database technologies for electronic commerce. authors: r agrawal , r srikant , y xu. venue: vldb. year: 2002", "productB": "title: database technologies for electronic commerce. authors: r agrawal , r srikant , y xu. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: facilitating multimedia database exploration through visual interfaces and perpetual query reformulations. authors: w li , k candan , k hirata , y hara. venue: vldb. year: 1997", "productB": "title: facilitating multimedia database exploration through visual interfaces and perpetual query. authors: ws li , k hirata , y hara. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: workshop on workflow management in scientific and engineering applications - report. authors: nan. venue: nan. year: 1997", "productB": "title: workshop on workflow management in scientific and engineering applications - report. authors: r mcclatchey , g vossen. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: data streams : fresh current or stagnant backwater ? ( panel ). authors: j hellerstein , j widom. venue: sigmod conference. year: 2002", "productB": "title: data streams : fresh current or stagnant backwater ? ( panel ). authors: jm hellerstein. venue: nan. year: nan", "same": true}
+{"productA": "title: xml-based information mediation with mix. authors: c baru , a gupta , b lud\u0444scher , r marciano , y papakonstantinou , p velikhov , v chu. venue: sigmod conference. year: 1999", "productB": "title: xml-based information meditiation with mix. authors: ck brau , a gupta , b lud\u00e3 $ her , r marciano , y. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb. year: 2001", "productB": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: vldb. year: 1999", "productB": "title: similarity search in high dimensional via hashing. authors: a gionis , p indyk , r motwani. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: supporting multiple view maintenance policies. authors: l colby , a kawaguchi , d lieuwen , i mumick , k ross. venue: sigmod conference. year: 1997", "productB": "title: supporting multiple view maintenance policies. authors: ls colby , a kawaguchi , df lieuwen , is mumick , ka. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: query decomposition and view maintenance for query languages for unstructured data. authors: d suciu. venue: vldb. year: 1996", "productB": "title: query decomposition and view maintenance for query languages for unstructured data. authors: d suciu. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: priority assignment in real-time active databases. authors: r sivasankaran , j stankovic , d towsley , b purimetla , k ramamritham. venue: vldb j.. year: 1996", "productB": "title: priority assignment in real-time active databases. authors: d towsley. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: computing iceberg queries efficiently. authors: m fang , n shivakumar , h garcia-molina , r motwani , j ullman. venue: vldb. year: 1998", "productB": "title: computing iceberg queries ecientlyproc . 1996 int. authors: m fang , n shivakumar , hg molina , r motwani , jd. venue: conf . very large data bases ,. year: nan", "same": true}
+{"productA": "title: computing complete answers to queries in the presence of limited access patterns. authors: c li. venue: vldb j.. year: 2003", "productB": "title: computing complete answers to queries in the presence of limited access patterns ( extended version ). authors: c li. venue: nan. year: nan", "same": true}
+{"productA": "title: the denodo data integration platform. authors: a pan , j raposo , m \u0441lvarez , p montoto , v orjales , j hidalgo , l ardao , a molano , \u0441 vi\u0451a. venue: vldb. year: 2002", "productB": "title: the denodo data integration platform. authors: a pan , j raposo , m alvarez , p montoto , v orjales ,. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: report on the second ieee metadata conference ( metadata ' 97 ). authors: nan. venue: nan. year: 1998", "productB": "title: report on the second ieee metadata conference ( metadata ' 97 ). authors: r musick , c miller. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: the handwritten trie : indexing electronic ink. authors: w aref , d barbar\u0441 , p vallabhaneni. venue: sigmod conference. year: 1995", "productB": "title: the handwritten trie : indexing electronic ink. authors: w aref , d barbar\u00e3 \u00a1 , p vallabhaneni. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: l/mrp : a buffer management strategy for interactive continuous data flows in a multimedia dbms. authors: f moser , a kraiss , w klas. venue: vldb. year: 1995", "productB": "title: wolfgang klas l/mrp : a buer management strategy for interactive continuous data flows in a. authors: f moser , a kraiss. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: approximate computation ofmultidimensionalaggregates ofsparsedata using wavelets. authors: js vitter , m wang. venue: proceedings of the 1999 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: query by image and video content : the qbic system. authors: w niblack\u00e2 ? \u00a6. venue: ieee computer ,. year: nan", "same": true}
+{"productA": "title: provisions and obligations in policy management and security applications. authors: c bettini , s jajodia , x wang , d wijesekera. venue: vldb. year: 2002", "productB": "title: provisions and obligations in policy rule management. authors: c bettini , s jajodia , xs wang , d wijesekera. venue: journal of network and systems management ,. year: 2003.0", "same": true}
+{"productA": "title: a super scalar sort algorithm for risc processors. authors: r agarwal. venue: sigmod conference. year: 1996", "productB": "title: a super scalar sort algorithm for risc processors. authors: rc agarwal. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: evolution and change in data management - issues and directions. authors: j roddick , l al-jadir , l bertossi , m dumas , f estrella , h gregersen , k hornsby , j lufter , f mandreoli , t m\u0444nnist\u0456 , e mayol , l wedemeijer. venue: sigmod record. year: 2000", "productB": "title: evolution and change in data management-issues and directions. authors: jf roddick , l al-jadir , l bertossi , m dumas , f. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: objectivity industrial exhibit. authors: o objectivity. venue: vldb. year: 1998", "productB": "title: objectivity industrial exhibit .. authors: acms disc , acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: chip-secured data access : confidential data on untrusted servers. authors: l bouganim , p pucheral. venue: vldb. year: 2002", "productB": "title: chip-secured data access : confidential data on untrusted servers. authors: l bouganim , p pucheral. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: data-driven understanding and refinement of schema mappings. authors: l yan , r miller , l haas , r fagin. venue: sigmod conference. year: 2001", "productB": "title: data-drivien understanding and refinement of schema mappings. authors: l yan , rj miller , l haas , r fagin. venue: submitted for publication ,. year: nan", "same": true}
+{"productA": "title: dynamic multidimensional histograms. authors: n thaper , s guha , p indyk , n koudas. venue: sigmod conference. year: 2002", "productB": "title: dynamic multidimensional histograms. authors: n koudas , s guha , p indyk , n thaper. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h jagadish , o kapitskaia , r ng , d srivastava. venue: vldb j.. year: 2000", "productB": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: hv jagadish , o kapitskaia , rt ng , d srivastava. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: \\ kweelt : more than just \\ '' \\ `` yet another framework to query xml ! \\ '' \\ '' \\ '' ''. authors: a sahuguet. venue: sigmod conference. year: 2001", "productB": "title: kweelt : more than just \u00e2 ?? yet another framework to query xml!\u00e2 ??. authors: a sahuguet. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: a kemper , g moerkotte , k peithner , m steinbrunn. venue: sigmod conference. year: 1994", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a kernper , g moerkotte , k peithnert , m steinbrunn. venue: nan. year: nan", "same": true}
+{"productA": "title: voodb : a generic discrete-event random simulation model to evaluate the performances of oodbs. authors: j darmont , m schneider. venue: vldb. year: 1999", "productB": "title: a generic discrete-event random simulation model to evaluate the performances of oodbs. authors: j darmont , mv schneider. venue: 25th international conference on very large databases ( vldb. year: nan", "same": true}
+{"productA": "title: the garlic project. authors: m roth , m arya , l haas , m carey , w cody , r fagin , p schwarz , j ii , e wimmers. venue: sigmod conference. year: 1996", "productB": "title: the garlic project. authors: m tork roth , m arya , lm haas , mj carey , wf cody , r. venue: proc . of acm. year: nan", "same": true}
+{"productA": "title: random sampling techniques for space efficient online computation of order statistics of large datasets. authors: g manku , s rajagopalan , b lindsay. venue: sigmod conference. year: 1999", "productB": "title: bg lindsay random sampling techniques for space efficient online computation of order statistics of. authors: gs manku , s rajagopalan. venue: proc . sigmod\u00e2 ?? 99 int &#39; l conf . on management of. year: nan", "same": true}
+{"productA": "title: density biased sampling : an improved method for data mining and clustering. authors: c palmer , c faloutsos. venue: sigmod conference. year: 2000", "productB": "title: density biased sampling : an improved method for data mining and clustering. authors: crpc faloutsos. venue: nan. year: nan", "same": true}
+{"productA": "title: qualitative representation of spatial knowledge in two-dimensional space. authors: d papadias , t sellis. venue: vldb j.. year: 1994", "productB": "title: on the qualitative representation of spatial knowledge in 2d space. authors: d papadias , t sellis. venue: vldb journal ,. year: 1994.0", "same": true}
+{"productA": "title: change detection in hierarchically structured information. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: sigmod conference. year: 1996", "productB": "title: j. widom change detection in hierarchically structured information. authors: s chawathe , a rajaraman , h garcia-molina. venue: proc . of the acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: lof : identifying density-based local outliers. authors: m breunig , h kriegel , r ng , j sander. venue: sigmod conference. year: 2000", "productB": "title: lof : identifying densitybased local outliers , acm sigmod conference , vol. authors: mm breunig , hp kriegel , rt ng , j sander. venue: dallas , tx , may ,. year: nan", "same": true}
+{"productA": "title: information sharing across private databases. authors: r agrawal , a evfimievski , r srikant. venue: sigmod conference. year: 2003", "productB": "title: andr . srikant . information sharingacrossprivate databases. authors: r agrawal , a evmievski. venue: proc . of the 2003acm sigmod int\u00e2 ?? l conf . on managementof. year: nan", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: srikant r. fastalgorithms formining association rules in large databases. authors: r agrawal. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: cck chang , h garcia-molina. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb. year: 1998", "productB": "title: on the discovery of interesting patterns in association rules. authors: s ramaswamy , s mahajan , a silberschatz. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: finding generalized projected clusters in high dimensional spaces. authors: c aggarwal , p yu. venue: sigmod conference. year: 2000", "productB": "title: finding generalized projected clusters in dimensional spaces. authors: c aggarwal , p yu. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: quickstore : a high performance mapped object store. authors: s white , d dewitt. venue: vldb j.. year: 1995", "productB": "title: quickstore : a high performance mapped object store. authors: sj white , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: adaptive , fine-grained sharing in a client-server oodbms : a callback-based approach. authors: m zaharioudakis , m carey , m franklin. venue: acm trans . database syst .. year: 1997", "productB": "title: fine-grained sharing in a page server oodbms. authors: mj carey , mj franklin , m zaharioudakis. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , s mehrotra , m pazzani. venue: sigmod conference. year: 2001", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: insite : a tool for interpreting users ? interaction with a web space. authors: c shahabi , a faisal , f kashani , j faruque. venue: vldb. year: 2000", "productB": "title: insite : a tool for interpreting users ? interaction with a web space. authors: c shahabi , a faisal , fb kashani , j faruque. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources . in : dayal u , gray pmd ,. authors: mt roth , p schwarz. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: the reach active oodbms. authors: a buchmann , a deutsch , j zimmermann , m higa. venue: sigmod conference. year: 1995", "productB": "title: the reach active oodbms , 1995. authors: ap buchmann , a deutsch , j zimmermann. venue: technical university. year: nan", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: shoring up persistent objects. authors: m carey , d dewitt , mj franklin , n hall , m. venue: piv-ceeding of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: rate-based query optimization for streaming information sources. authors: s viglas , j naughton. venue: sigmod conference. year: 2002", "productB": "title: rate-based query optimization. authors: s viglas , j naughton. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: s ceri , r cochrane , j widom. venue: vldb. year: 2000", "productB": "title: practical applications of triggers and constraints : success stories and lingering issues. authors: s ceri , rj cochrane , j widom. venue: 26th very large data bases conference proceedings ,. year: nan", "same": true}
+{"productA": "title: compressing sql workloads. authors: s chaudhuri , a gupta , v narasayya. venue: sigmod conference. year: 2002", "productB": "title: compressing sql workloads. authors: s chaudhuri , ak gupta , vr narasayya. venue: nan. year: nan", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: fast nearest neighbor search in medical databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z. venue: proc . conf . very large databases ,. year: nan", "same": true}
+{"productA": "title: mineset ( tm ) : a system for high-end data mining and visualization. authors: nan. venue: vldb. year: 1996", "productB": "title: mineset ( tm ) : a system for high-end data mining and visualization. authors: mkp inc. venue: int . conf . on very large data bases ( vldb &#39; 96 ) , bombay , india ,. year: 1996.0", "same": true}
+{"productA": "title: of objects and databases : a decade of turmoil. authors: m carey , d dewitt. venue: vldb. year: 1996", "productB": "title: of objects and databases : a decade of turmoil . 22nd vldb conjy. authors: mjc cd961 , dj dewitt. venue: bombay , india ,. year: nan", "same": true}
+{"productA": "title: the context interchange mediator prototype. authors: s bressan , c goh , k fynn , m jakobisiak , k hussein , h kon , t lee , s madnick , t pena , j qu , a shum , m siegel. venue: sigmod conference. year: 1997", "productB": "title: the context interchange mediator prototype. authors: s madnick , t pena , j qu , a shum , m siegel. venue: acm sigmod international conference on management of data ,. year: nan", "same": true}
+{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin , o gruber. venue: vldb. year: 1995", "productB": "title: e-cient incremental garbage collection for client server object database systems , in \u00e2 ?? vldb95\u00e2 ??. authors: l amsaleg , m franklin , o gruber. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective methods for spatial data mining. authors: r ng , j han. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: towards on-line analytical mining in large databases. authors: j han. venue: sigmod record. year: 1998", "productB": "title: towards on-line analytical mining in large databases. authors: h jiawei. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: learning to match ontologies on the semantic web. authors: a doan , j madhavan , r dhamankar , p domingos , a halevy. venue: vldb j.. year: 2003", "productB": "title: learning to match ontologies. authors: a doan , j madhavan , r dhamankar , p domingos , ay. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: pix : exact and approximate phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , y xu. venue: sigmod conference. year: 2003", "productB": "title: pix : exact and approximate phrase matching in xml. authors: d srivastava. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: jeffrey d. ullman.\u00e2 ?? implementing data cubes effieciently\u00e2 ??. authors: v harinarayan , a rajaraman. venue: proceedings of acm sigmod 1996 international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: phoenix project : fault-tolerant applications. authors: r barga , d lomet. venue: sigmod record. year: 2002", "productB": "title: phoenix project : fault tolerant applications. authors: d lomet , r barga. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: using taxonomy , discriminants , and signatures for navigating in text databases. authors: s chakrabarti , b dom , r agrawal , p raghavan. venue: vldb. year: 1997", "productB": "title: using taxonomy , discriminants , and signatures for navigating in text databases. authors: scbdr agrawal , p raghavan. venue: nan. year: nan", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: semantic data caching and replacement , '' 22nd intl. authors: s dar , mj franklin , b jonsson , d srivastava , m tan. venue: conference on very large data bases ( vldb 96 ) , bombay , india & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the effectiveness of gloss for the text database discovery problem . 1994. authors: l gravano , hg molina , a tomasic. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: fast similarity search in presence of noise , scaling , and translation in time-series database . in :. authors: r agrawal , ki lin , ss harpreet. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: change detection in hierarchically structured information. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: sigmod conference. year: 1996", "productB": "title: change detection in hierarchically structured information. authors: ss chawathe , a rajaraman , h garcia-molina , j widom. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: concurrency and recovery for index trees. authors: b salzberg , d lomet. venue: nan. year: nan", "same": true}
+{"productA": "title: mining needle in a haystack : classifying rare classes via two-phase rule induction. authors: m joshi , r agarwal. venue: sigmod conference. year: 2001", "productB": "title: r. , kumar , v. : mining needles in a haystack : classifying rare classes via two-phase rule induction. authors: ma joshi. venue: proceedings of acm. year: nan", "same": true}
+{"productA": "title: statistics on views. authors: c galindo-legaria , m joshi , f waas , m wu. venue: vldb. year: 2003", "productB": "title: statistics on views. authors: f waas , c galindo-legaria , mc wu , m joshi. venue: proceedings of the 29th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: a foundation for multi-dimensional databases. authors: m gyssens , lvs lakshmanan. venue: nan. year: nan", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: fast subsequence matching in time-series datebase . sigmod. authors: c faloutsos , m ranganthan , y manolopoulos. venue: proc . of annual conference , minneapolis ,. year: nan", "same": true}
+{"productA": "title: query processing techniques for multiversion access methods. authors: j bercken , b seeger. venue: vldb. year: 1996", "productB": "title: query processing techniques for multiversion access methods. authors: b jvd , b seeger. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: database architecture optimized for the new bottleneck : memory access. authors: p boncz , s manegold , m kersten. venue: vldb. year: 1999", "productB": "title: optimizing database architecture for the new bottleneck : memory access. authors: s manegold , pa boncz , ml kersten. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: panel on next generation database systems wo n't work without semantics !. authors: j mylopoulos. venue: sigmod conference. year: 1998", "productB": "title: next generation database systems wo n't work without semantics !. authors: j mylopoulos. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: dynamic buffer allocation in video-on-demand systems. authors: s lee , k whang , y moon , i song. venue: sigmod conference. year: 2001", "productB": "title: si-y . dynamic buer allocation in video-on-demand systems. authors: sh lee , ys moon , ky whang. venue: technical report 00-11-006 , advanced information technology. year: nan", "same": true}
+{"productA": "title: form-based proxy caching for database-backed web sites. authors: q luo , j naughton. venue: vldb. year: 2001", "productB": "title: form-based proxy caching for database-backed web sites. authors: q luo , jf naughton. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: indexing the positions of continuously moving objects. authors: s saltenis , c jensen , s leutenegger , m lopez. venue: sigmod conference. year: 2000", "productB": "title: jensen , c. , leutenegger , s. , lopez , m. , '' indexing the positions of continuously moving objects , ''. authors: s saltenis\u00e2 ? \u00a6. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: persistent threads. authors: f matthes , j schmidt. venue: vldb. year: 1994", "productB": "title: persistent threads. authors: f matthes , jw schmidt. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: cache-and-query for wide area sensor databases. authors: a deshpande , s nath , p gibbons , s seshan. venue: sigmod conference. year: 2003", "productB": "title: cache-and-query for wide area sensor network. authors: a deshpande , s nath , pb gibbons , s seshan. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: stream : the stanford stream data manager. authors: a arasu , b babcock , s babu , m datar , k ito , i nishizawa , j rosenstein , j widom. venue: sigmod conference. year: 2003", "productB": "title: stream : the stanford data stream management system. authors: a arasu , b babcock , s babu , j cieslewicz , m datar ,. venue: nan. year: nan", "same": true}
+{"productA": "title: business process coordination : state of the art , trends , and open issues. authors: u dayal , m hsu , r ladin. venue: vldb. year: 2001", "productB": "title: business process coordination : state of the art , trends and open issues. authors: d umeshwar , h meichun , r ladin. venue: proceedings of the d & \u00e3 1/4 thinternational conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: sql-like operator for mining association rules. authors: r meo , g psaila , s ceri , a new. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficientalgorithmsfor processing xpath queries. authors: g gottlob , c koch , r pichler. venue: proc . of. year: nan", "same": true}
+{"productA": "title: xcache : a semantic caching system for xml queries. authors: l chen , e rundensteiner , s wang. venue: sigmod conference. year: 2002", "productB": "title: xcache : a semantic caching system for xml queries. authors: l chen , ea rundensteiner , s wang. venue: proceedings of the 2002 acm sigmod international conference & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: an architecture to support scalable online personalization on the web. authors: a datta , k dutta , d vandermeer , k ramamritham , s navathe. venue: vldb j.. year: 2001", "productB": "title: an architecture to support scalable online personalization on the web. authors: a datta , k dutta , d vandermeer , k ramamritham , sb. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: tutorial : data access. authors: nan. venue: nan. year: 2000", "productB": "title: data access ( tutorial session ). authors: ja blakeley , a deshpande. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: don\u00e2 ?? t scrap it , wrap it ! a wrapper architecture for legacy data. authors: m roth , p schwarz. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: protocol : a technique for maintaining linear arithmetic constraints in distributed database systems. authors: , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: oodb bulk loading revisited : the partitioned-list approach. authors: j wiener , j naughton. venue: vldb. year: 1995", "productB": "title: oodb bulk loading revisited : the partitioned-list approach. authors: jl wiener , jf naughton. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb. year: 1999", "productB": "title: rastogi r. shim k. spirit : sequential pattern mining with regular expression constraints. authors: m garofalkis. venue: proc . 1999 int . conf . very large data bases ( vldb\u00e2 ?? 99 ) , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: querying heterogeneous information sources using source descriptions . 22th vldb. authors: ay levy , a rajaraman\u00e2 ? \u00a6. venue: bombay , india ,. year: nan", "same": true}
+{"productA": "title: birn-m : a semantic mediator for solving real-world neuroscience problems. authors: a gupta , b lud\u0444scher , m martone. venue: sigmod conference. year: 2003", "productB": "title: birn-m : a semantic mediator for solving real-world neuroscience problems. authors: a gupta , me martone. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: coordinating backup/recovery and data consistency between database and file systems. authors: s bhattacharya , c mohan , k brannon , i narang , h hsiao , m subramanian. venue: sigmod conference. year: 2002", "productB": "title: coordinating backup/recovery and data consistency between database and file systems. authors: s bhattacharya , c mohan , k brannon , i narang , hi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: vldb j.. year: 1996", "productB": "title: investigation of algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: proceedings of the 20th int\u00e2 ?? l conference on very large. year: nan", "same": true}
+{"productA": "title: cache tables : paving the way for an adaptive database cache. authors: m altinel , c bornh\u0456vd , s krishnamurthy , c mohan , h pirahesh , b reinwald. venue: vldb. year: 2003", "productB": "title: cache tables : paving the way for an adaptive database cache. authors: m alt\u00e4 \u00b1 nel , c bornh\u00e3 \u00b6 vd , s krishnamurthy , c mohan ,. venue: nan. year: nan", "same": true}
+{"productA": "title: panel on next generation database systems wo n't work without semantics !. authors: j mylopoulos. venue: sigmod conference. year: 1998", "productB": "title: next generation database systems wo n't work without semantics ! ( panel ). authors: j mylopoulos. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: databases for gis. authors: c medeiros , f pires. venue: sigmod record. year: 1994", "productB": "title: c. , and pires , f. , 1994 , databases for gis. authors: b medeiros. venue: sigmod. year: nan", "same": true}
+{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: sigmod conference. year: 1998", "productB": "title: p. , naughton , jf , shukla , a. ( 1998 ) simultaneous optimization and evaluation of multiple dimensional. authors: y zhao , pm deshpande. venue: proceedings of the vldb. year: nan", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communication environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: tsql2 language specification. authors: rt snodgrass. venue: acm sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering method for very large databases\u00e2 '' , jagadish hv , mumick is , eds. authors: t zhang , r ramakrishnan , m livny. venue: proceedings of the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: a framework for implementing hypothetical queries. authors: t griffin , r hull. venue: sigmod conference. year: 1997", "productB": "title: a framework for implementing hypothetical queries. authors: t griffin , r hull. venue: proc . of the 1997 acm sigmod intl. conference on management. year: nan", "same": true}
+{"productA": "title: picodmbs : scaling down database techniques for the smartcard. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2000", "productB": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: sigmod sister societies. authors: s ceri , l kalinichenko , m kitsuregawa , h lu , z \u0436zsoyoglu , r snodgrass , v vianu. venue: sigmod record. year: 2000", "productB": "title: sigmod sister societies. authors: s ceri , la kalinichenko , m kitsuregawa , h lu , v. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining quantitative association rules from large databases. authors: r mrikant , r agrawal. venue: ins proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , r miller. venue: sigmod conference. year: 2003", "productB": "title: data mapping in p2p systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , rj miller. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodr\u00e4 \u00b1 guez-mart\u00e4 \u00b1 nez , n roussopoulos. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: are quorums an alternative for data replication ?. authors: r jim\u0449nez-peris , m pati\u0451o-mart\u044dnez , g alonso , b kemme. venue: acm trans . database syst .. year: 2003", "productB": "title: are quorums an alternative for database replication. authors: r jimenez-peris , m patino-martinez , b kemme , g. venue: acm trans . on database systems ,. year: nan", "same": true}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: online query processing : a tutorial. authors: pj haas , jm hellerstein. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregates. authors: a sameet , a rakesh , md prasad\u00e2 ? \u00a6. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: process automation as the foundation for e-business. authors: f casati , m shan. venue: vldb. year: 2000", "productB": "title: process automation as the foundation for e-commerce. authors: f casati , mc shan. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference. year: 1994", "productB": "title: andm . scholl . fromstructured documentstonovelquery facilities. authors: v christophides , s abiteboul , s cluet. venue: proc . of acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: h. garc a-molina , and a. tomasic . the eectivenessof gloss for thetext-databasediscoveryproblem. authors: l gravano. venue: proceedings of the 1994 acm sigmod conference , may ,. year: nan", "same": true}
+{"productA": "title: act-net - the active database management system manifesto : a rulebase of adbms features. authors: nan. venue: sigmod record. year: 1996", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: kr dittrich , s gatziu , a geppert. venue: rules in database systems ,. year: 1995.0", "same": true}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , dj dewitt , f tian , y wang. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: report on second international workshop on advanced issues of e-commerce and web-based information systems. authors: nan. venue: nan. year: 2000", "productB": "title: report on second international workshop on advanced issues of e-commerce and web-based information. authors: kl wu , ps yu. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: gte superpages : using ir techniques for searching complex objects. authors: s whitehead , h sinha , m murphy. venue: vldb. year: 1997", "productB": "title: gte superpages : using ir techniques for searching complex objects. authors: s whitehead , h sinha , m murphy. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin , o gruber. venue: vldb. year: 1995", "productB": "title: 0 . gruber . efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin. venue: procs . of the international conf . on very large databases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: metadata standards for data warehousing : open information model vs. common warehouse metamodel. authors: t vetterli , a vaduva , m staudt. venue: sigmod record. year: 2000", "productB": "title: metadata standards for data warehousing : open information model vs. common warehouse metamodel. authors: gc introduction. venue: nan. year: nan", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: your mediators need data conversion !. authors: s cluet , c delobel. venue: nan. year: nan", "same": true}
+{"productA": "title: beyond document similarity : understanding value-based search and browsing technologies. authors: a paepcke , h garcia-molina , g rodr\u044dguez-mul\u0440 , j cho. venue: sigmod record. year: 2000", "productB": "title: beyond document similarity : understanding value-based search and browsing technologies. authors: sigmod record , 2000. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: alphasort : a cache-sensitive parallel external sort. authors: c nyberg , t barclay , z cvetanovic , j gray , d lomet. venue: vldb j.. year: 1995", "productB": "title: alphasort : a cache-sensitive parallel external sort. authors: d lomet , t barclay , c nyberg , z cvetanovic , j gray. venue: nan. year: nan", "same": true}
+{"productA": "title: improving timeliness in real-time secure database systems. authors: s son , r david , b thuraisingham. venue: sigmod record. year: 1996", "productB": "title: improving timeliness in real-time secure database systems. authors: sh son , r david , b thuraisingham. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: functional properties of information filtering. authors: r sawai , m tsukamoto , y loh , t terada , s nishio. venue: vldb. year: 2001", "productB": "title: on functional properties of information filtering. authors: r sawai , m tsukamoto , t terada , yh loh , s nishio. venue: electronics and communications in japan ( part ii electronics ) ,. year: 2003.0", "same": true}
+{"productA": "title: coss : the common object services specifications. authors: b martin. venue: sigmod conference. year: 1994", "productB": "title: coss : the common object services specifications. authors: be martin. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy efficient indexing on air. authors: t irniefinski , s vishwanathan , br badrinath. venue: ln proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?range queries in olap data cubes\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: ct ho , r agrawal , n megiddo , r srikant. venue: proc . acm sigmod \u00e3 cents ,. year: nan", "same": true}
+{"productA": "title: from browsing to interacting : dbms support for responive websites ( abstract ). authors: r ramakrishnan. venue: sigmod conference. year: 2000", "productB": "title: from browsing to interacting : dbms support for responsive websites. authors: r ramakrishnan. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data. authors: s berger , f bry , s schaffert , c wieser. venue: vldb. year: 2003", "productB": "title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data. authors: f bry , s berger , s schaffert. venue: proceedings of the 29 thintl . conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: www-udk : a web-based environmental meta-information system. authors: r kramer , r nikolai , a koschel , c rolker , p lockemann , a keitel , r legat , k zirm. venue: sigmod record. year: 1997", "productB": "title: www-udk : a web-based environmental meta-information system. authors: r kramer , r nikolai , a koschel , c rolker , p. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: a scalable algorithm for answering queries using views. authors: r pottinger , a levy. venue: vldb. year: 2000", "productB": "title: a scalable algorithm for answering queries using views. authors: ay levy. venue: nan. year: nan", "same": true}
+{"productA": "title: optimal clip ordering for multi-clip queries. authors: r ng , p shum. venue: vldb j.. year: 1998", "productB": "title: optimal clip ordering for multi-clip queries. authors: tn raymond , s paul. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: avoiding ordering and grouping in query processing. authors: x wang , m cherniack. venue: vldb. year: 2003", "productB": "title: avoiding ordering and grouping in query processing. authors: x wang , m cherniack. venue: vldb ,. year: nan", "same": true}
+{"productA": "title: selectivity estimation in extensible databases - a neural network approach. authors: m lakshmi , s zhou. venue: vldb. year: 1998", "productB": "title: selectivity estimation in extensible databases-a neural network approach. authors: s lakshmi , s zhou. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: treasurer 's message. authors: nan. venue: nan. year: 2003", "productB": "title: treasurer 's message. authors: j hammer. venue: sigmod. year: 2000.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: fastlk ? ap : a fast algorithm for indexing , data-mining and visualization of traditional and. authors: c faloutsos. venue: nan. year: nan", "same": true}
+{"productA": "title: information integration and xml in ibm 's db2. authors: p selinger. venue: vldb. year: 2002", "productB": "title: information integration and xml in ibm 's db2. authors: pg selinger. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: tsql2 language specification. authors: a segev , md soo , sm sripada. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: k.-i . ( david ) lin , fastmap : a fast alogorithm for indexing , data-mining and visualization of. authors: c faloutsos. venue: proc . of sigmod ,. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: agrawal , \\ \\ miningquantitativeassociationrules inlarge relational tables. authors: r srikantandr. venue: proc . oftheacm-sigmod int\u00e2 ?? l. conf . on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: on parallel execution of multiple pipelined hash joins. authors: h hsiao , m chen , p yu. venue: sigmod conference. year: 1994", "productB": "title: on parallel execution of multiple pipelined hash joins. authors: hi hsiao , ms chen , ps yu. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: from nested-loop to join queries in oodb. authors: h steenhagen , p apers , h blanken , r by. venue: vldb. year: 1994", "productB": "title: from nested-loop to join queries in oodb. authors: hj steenhagen , pmg apers , hm blanken , ra de by. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: \\ kweelt : more than just \\ '' \\ `` yet another framework to query xml ! \\ '' \\ '' \\ '' ''. authors: a sahuguet. venue: sigmod conference. year: 2001", "productB": "title: kweelt : more than just \u00e2 ?? yet another framework to query xml!\u00e2 ?? , sigmod demonstration session ,. authors: a sahuguet. venue: nan. year: nan", "same": true}
+{"productA": "title: metadata for multimedia documents. authors: k b\u0456hm , t rakow. venue: sigmod record. year: 1994", "productB": "title: metadata for multidata documents. authors: k bohme , tc rakow. venue: acm sigmod rec ,. year: nan", "same": true}
+{"productA": "title: hypothetical queries in an olap environment. authors: a balmin , t papadimitriou , y papakonstantinou. venue: vldb. year: 2000", "productB": "title: hypothetical queries in an olap environment. authors: a balmin , t papadimitriou , y papakonstantinou. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: webfilter : a high-throughput xml-based publish and subscribe system. authors: j pereira , f fabret , h jacobsen , f llirbat , d shasha. venue: vldb. year: 2001", "productB": "title: webfilter : a high-throughput xml-based publish and subscribe system. authors: j pereira , f fabret , d shasha. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: m patella , p ciaccia , p zezula. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: as sdnr , p deshpande , jf naughton , k ramaswamy. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k b\u0456hm , k aberer , e neuhold , x yang. venue: vldb j.. year: 1997", "productB": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k bohm , k aberer , ej neuhold , x yang. venue: in vldb. year: nan", "same": true}
+{"productA": "title: integrating replacement policies in storm : an extensible approach. authors: c goh , b ooi , s bressan , k tan. venue: sigmod conference. year: 2000", "productB": "title: integrating replacement policies in storm : an extensible approach. authors: cl goh , bc ooi , s bressan. venue: nan. year: nan", "same": true}
+{"productA": "title: broadcast protocols to support efficient retrieval from databases by mobile users. authors: a datta , d vandermeer , a celik , v kumar. venue: acm trans . database syst .. year: 1999", "productB": "title: broadcast protocals to support efficient retrieval from database by mobile users. authors: d anindya , ev debra , c aslihan , k vijay. venue: acm tods ,. year: nan", "same": true}
+{"productA": "title: xmill : an efficient compressor for xml data. authors: h liefke , d suciu. venue: sigmod conference. year: 2000", "productB": "title: an efficient compressor for xml data. authors: h liefke , ds xmill. venue: proceedings of the 2000 acm sigmod conference on management & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the aqua approximate query answering system. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: the aqua approximate query answering system. authors: sa cr941 , pb gibbons , v poosaia , s ramaswamy. venue: proc . acm sigmod lnrernational co @ on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: neurorule : a connectionist approach to data mining. authors: h lu , r setiono , h liu. venue: vldb. year: 1995", "productB": "title: neurorule : a connectionist approach to data mining. authors: l hongjun , r setiono , l huan. venue: proceedings of 21st international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: locking protocols for materialized aggregate join views. authors: g luo , j naughton , c ellmann , m watzke. venue: vldb. year: 2003", "productB": "title: locking protocols for materialized aggregate join views. authors: g luo , jf naughton , cj ellmann , mw watzke. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: grid and applications ( industrial session ). authors: f leymann. venue: vldb. year: 2003", "productB": "title: grid and applications ( industrial session ). authors: f leymann. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: th\u0449mis : a database programming language handling integrity constraints. authors: v benzaken , a doucet. venue: vldb j.. year: 1995", "productB": "title: th\u00e3 \u00a9 mis : a database programming language handling integrity constraints. authors: v benzaken , a doucet. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: p atzeni , r torlone. venue: sigmod conference. year: 1997", "productB": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: p atzeni , r torlone. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: materialized views in oracle. authors: r bello , k dias , a downing , j jr. , j finnerty , w norcott , h sun , a witkowski , m ziauddin. venue: vldb. year: 1998", "productB": "title: h. , witkowski , a. , and ziauddin , m. 1998 . materialized views in oracle. authors: rg bello , k dias , a downing jr , nc jf , s wd. venue: proceedings of the conferencce on very large data bases (. year: nan", "same": true}
+{"productA": "title: work and information practices in the sciences of biodiversity. authors: g bowker. venue: vldb. year: 2000", "productB": "title: work and information practices in the sciences of biodiversity. authors: gc bowker. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: i3 : intelligent , interactive investigaton of olap data cubes. authors: s sarawagi , g sathe. venue: sigmod conference. year: 2000", "productB": "title: i 3 : intelligent , interactive investigation of olap cubes. authors: s sarawagi , g sathe. venue: proc . of the 2000 acm sigmod int\u00e2 ?? l conference on. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: badrinath , \u00e2 ?? energy efficient indexing on air\u00e2 ??. authors: t imilienski , s vishwanathan. venue: proceedings sigmod ,. year: nan", "same": true}
+{"productA": "title: the worlinfo assistant : spatio-temporal information integration on the web. authors: j ambite , c knoblock , m kolahdouzan , m muslea , c shahabi , s thakkar. venue: vldb. year: 2001", "productB": "title: the worldinfo assistant : an application for spatio-temporal information integration on the web. authors: jl ambite , ca knoblock , mr kolahdouzan , m muslea ,. venue: 27th international conference on very large data bases (. year: nan", "same": true}
+{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: 1997", "productB": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: client-server paradise. authors: d dewitt , n kabra , j luo , j patel , j yu. venue: vldb. year: 1994", "productB": "title: andj . yu , \u00e2 ?? client-server paradise\u00e2 ??. authors: dj dewitt , n kabra , j luo , jm patel. venue: proceedings of the 20th vldb conference , september ,. year: nan", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: andi . n. subramanian . schemasql-a languagefor interoperabilityin relationalmulti-database systems. authors: l lakshmanan , f sadri. venue: proc . vldb conf ,. year: nan", "same": true}
+{"productA": "title: archiving scientific data. authors: p buneman , s khanna , k tajima , w tan. venue: sigmod conference. year: 2002", "productB": "title: archiving scientific data. authors: p buneman , s khanna , k tajima , wc tan. venue: acm transactions on database systems ,. year: 2004.0", "same": true}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: sampling large databases for mining association rules . in : proceedings of the 22nd vldb conference. authors: h toivonen. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: application architecture : 2tier or 3tier ? what is dbms 's role ? ( panel abstract ). authors: a nori. venue: sigmod conference. year: 2000", "productB": "title: application architecture ( panel session ) : 2tier or 3tier ? what is dbms 's role ?. authors: ak nori. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: eddies : continuously adaptive query processing. authors: r avnur , j hellerstein. venue: sigmod conference. year: 2000", "productB": "title: continuously adaptive query processing. authors: r avnur , jmh eddies. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: improving the efficiency of database-system teaching. authors: j ullman. venue: sigmod conference. year: 2003", "productB": "title: improving the efficiency of database-system teaching. authors: jd ullman. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: adaptive selectivity estimation using query feedback. authors: c chen , n roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: adaptive selectivity estimation using query feedback , university of maryland at college park ,. authors: cm chen , n roussopoulos. venue: md ,. year: nan", "same": true}
+{"productA": "title: amalgamating knowledge bases. authors: v subrahmanian. venue: acm trans . database syst .. year: 1994", "productB": "title: amalgamating knowledge bases. authors: vs subrahmanian. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: including group-by in query optimization. authors: s chaudhuri , k shim. venue: vldb. year: 1994", "productB": "title: ans shim , k. including group-by in query optimization. authors: s chaudhuri. venue: proceedings of the 2th vldb conference ,. year: nan", "same": true}
+{"productA": "title: database architecture optimized for the new bottleneck : memory access. authors: p boncz , s manegold , m kersten. venue: vldb. year: 1999", "productB": "title: databasearchitecture optimizedforthenewbottleneck : memoryaccess. authors: p boncz , s manegold , m kersten. venue: proc . 25th international conference on very large data bases & hellip ; ,. year: nan", "same": true}
+{"productA": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data ( keynote ). authors: nan. venue: nan. year: 2000", "productB": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data. authors: m lane , j edwards , e nielsen. venue: proc . 26th vldb conf ,. year: nan", "same": true}
+{"productA": "title: are we working on the right problems ? ( panel ). authors: m stonebraker. venue: sigmod conference. year: 1998", "productB": "title: are we working on the right problems ? ( panel ). authors: m stonebraker. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: an extensible notation for spatiotemporal index queries. authors: v tsotras , c jensen , r snodgrass. venue: sigmod record. year: 1998", "productB": "title: an extensible notation for spatiotemporal index queries .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: l golab , m \u0436zsu. venue: vldb. year: 2003", "productB": "title: processing sliding window multi-joins in continuous queries over data streams. authors: l golab. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: panel : is generic metadata management feasible ?. authors: p bernstein , l haas , m jarke , e rahm , g wiederhold. venue: vldb. year: 2000", "productB": "title: is generic metadata management feasible ?. authors: p bernstein. venue: powerpointfolien , panel session model managing project , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: generating spatiotemporal datasets on the www. authors: y theodoridis , m nascimento. venue: sigmod record. year: 2000", "productB": "title: generating spatiotemporal datasets on the www .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: rrxf : redundancy reducing xml storage in relations. authors: y chen , s davidson , c hara , y zheng. venue: vldb. year: 2003", "productB": "title: 3xnf : redundancy eliminating xml storage in relations. authors: y chen , sb davidson , y zheng. venue: submitted for. year: nan", "same": true}
+{"productA": "title: density biased sampling : an improved method for data mining and clustering. authors: c palmer , c faloutsos. venue: sigmod conference. year: 2000", "productB": "title: density biased sampling : an improved method for data mining and clustering. authors: cr palmer. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: an efficient and resilient approach to filtering and disseminating streaming data. authors: s shah , s dharmarajan , k ramamritham. venue: vldb. year: 2003", "productB": "title: an efficient and resilient approach to filtering and disseminating streaming data. authors: s shah , s dharmarajan , k ramamritham. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the sr-tree : an index structure for high dimensional data. authors: n katayama , s satoh. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: indexing very high-dimensional sparse and quasi-sparse vectors for similarity searches. authors: c wang , x wang. venue: vldb j.. year: 2001", "productB": "title: indexing very high-dimensional sparse and quasi-sparse vectors for similarity searches. authors: c wang , xs wang. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: mid-tier caching : the timesten approach. authors: t team. venue: sigmod conference. year: 2002", "productB": "title: mid-tier caching : the timesten approach. authors: t ten team. venue: proceedings of the acm sigmod. year: nan", "same": true}
+{"productA": "title: plastic : reducing query optimization overheads through plan recycling. authors: v sengar , j haritsa. venue: sigmod conference. year: 2003", "productB": "title: plastic : reducing query optimization overheads through plan recycling. authors: vs sengar , jr haritsa. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: srinivasan . accessing relational databases fromtheworld wide web. authors: t nguyenandv. venue: proc . acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: estimating the selectivity of spatial queries using the ` correlation ' fractal dimension. authors: a belussi , c faloutsos. venue: vldb. year: 1995", "productB": "title: estimating the selectivity of spatial queries using the ` correlation ` fractal dimension. authors: a belussi , c faloutsos. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: the evolution of the web and implications for an incremental crawler. authors: j cho , h garcia-molina. venue: vldb. year: 2000", "productB": "title: the evolution of the web and implications for an incremental crawler . september , 2000. authors: j cho , h garcia-molina. venue: 26th intl. conf . on very large. year: nan", "same": true}
+{"productA": "title: eddies : continuously adaptive query processing. authors: r avnur , j hellerstein. venue: sigmod conference. year: 2000", "productB": "title: eddies : continuous query optimization. authors: r avnur , j hellerstein. venue: proceedings of sigmod ,. year: nan", "same": true}
+{"productA": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: j gray , g graefe. venue: sigmod record. year: 1997", "productB": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: g graefe , j gray. venue: nan. year: nan", "same": true}
+{"productA": "title: aurora : a new model and architecture for data stream management. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , s lee , m stonebraker , n tatbul , s zdonik. venue: vldb j.. year: 2003", "productB": "title: aurora : a new model and architecture for data stream management. authors: dj abadi , d carney , u \u00e3?etintemel , m cherniack , c. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: vertical data migration in large near-line document archives based on markov-chain predictions. authors: a kraiss , g weikum. venue: vldb. year: 1997", "productB": "title: vertical data migration in large nearline document archives based on markov-chain predictions. authors: akg weikum. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: e-commerce database issues and experience. authors: a rajaraman. venue: sigmod conference. year: 1999", "productB": "title: e-commerce database issues and experience : ( talk-slides available at at the conference ). authors: a rajaraman. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: an annotated bibliography of benchmarks for object databases. authors: a chaudhri. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography of benchmarks for object databases. authors: ab chaudhri. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: applying an update method to a set of receivers. authors: m andries , l cabibbo , j paredaens , j bussche. venue: acm trans . database syst .. year: 2001", "productB": "title: applying an update method to a set of receivers. authors: m andries , l cabibbo , j paredaens , j van den. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: a multi-agent system infrastructure for software component market-place : an ontological perspective. authors: r erdur , o dikenelli. venue: sigmod record. year: 2002", "productB": "title: a multi-agent system infrastructure for software component market-place : an ontological perspective. authors: rc erclur , oo dikenelli. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: learning to match ontologies on the semantic web. authors: a doan , j madhavan , r dhamankar , p domingos , a halevy. venue: vldb j.. year: 2003", "productB": "title: learning to match ontologies on the semantic web. authors: ah doan , j madhavan , r dhamankar , p domingos , a. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: understanding the semantics of sensor data. authors: m mani. venue: sigmod record. year: 2003", "productB": "title: understanding the semantics of sensor data. authors: m mani. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the x-tree : an index structure for high dimensional data. authors: s berchtold , da keim. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: estimation of query-result distribution and its application in parallel-join load balancing. authors: v poosala , y ioannidis. venue: vldb. year: 1996", "productB": "title: estimation of query-result distribution and its application in parallel-join load balancing. authors: v poosala , ye ioannidis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: a framework for semantic gossiping. authors: k aberer , p cudr\u0449-mauroux , m hauswirth. venue: sigmod record. year: 2002", "productB": "title: m. hauswirth a framework for semantic gossiping. authors: k aberer , p cudr\u00e3 \u00a9 - mauroux. venue: sigmod. year: nan", "same": true}
+{"productA": "title: a comparative study of alternative middle tier caching solutions to support dynamic web content acceleration. authors: a datta , k dutta , h thomas , d vandermeer , k ramamritham , d fishman. venue: vldb. year: 2001", "productB": "title: a comparative study of alternative middle tier caching solutions. authors: a datta , k dutta , d fishman , k ramamritham , h. venue: proceedings of the 2001 vldb. year: nan", "same": true}
+{"productA": "title: similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: vldb. year: 1999", "productB": "title: approximate similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: nan. year: nan", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market baskets : generalizing association rules to correlations. authors: c silverstein , r motwani , s brin. venue: proc . acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: an anonymous electronic commerce scheme with an off-line authority and untrusted agents. authors: j domingo-ferrer , j herrera-joancomart\u044d. venue: sigmod record. year: 1998", "productB": "title: an anonymous electronic commerce scheme with an off-line authority and untrusted agents .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: sybase replication server. authors: a gorelik , y wang , m deppe. venue: sigmod conference. year: 1994", "productB": "title: sybase replication server. authors: a gorelik , y wang , m deppe. venue: nan. year: nan", "same": true}
+{"productA": "title: primitives for workload summarization and implications for sql. authors: s chaudhuri , p ganesan , v narasayya. venue: vldb. year: 2003", "productB": "title: primitives for workload summarization and implications for sql. authors: s chaudhuri , p ganesan , v narasayya. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look. authors: nan. venue: nan. year: 2002", "productB": "title: querying and mining data streams : you only get one look a tutorial. authors: mn garofalakis , j gehrke , r rastogi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan , j han , a pang. venue: sigmod conference. year: 1998", "productB": "title: exploratory mining and pruning optimizations of constrained associatino rules .. authors: rnl lakshmanan , j han , a pang. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: guest editorial : databases and the web. authors: nan. venue: nan. year: 2000", "productB": "title: guest editorial. authors: p atzeni , ao mendelzon. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: wsq/dsq : a practical approach for combined querying of databases and the web. authors: r goldman , j widom. venue: sigmod conference. year: 2000", "productB": "title: wsq/dsq : a practical approach for combined querying of databases and the web. authors: r goldman , j widom. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: scalable feature selection , classification and signature generation for organizing large text databases into hierarchical topic taxonomies. authors: s chakrabarti , b dom , r agrawal , p raghavan. venue: vldb j.. year: 1998", "productB": "title: classification and signature generation for organizing large text databases into hierarchical topic. authors: s chakrabarti , b dom , r agrawal , p raghavan. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: apex : an adaptive path index for xml data. authors: c chung , j min , k shim. venue: sigmod conference. year: 2002", "productB": "title: apex : an adaptive path index for xml data. authors: cwcj km , k shim. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: algorithms for deferred view maintenance. authors: l colby , t griffin , l libkin , i mumick , h trickey. venue: sigmod conference. year: 1996", "productB": "title: algorithms for deffered view maintenace. authors: l colby , t griffin , l libkin , i mumick , h trickey. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: mindreader : querying databases through multiple examples. authors: y ishikawa , r subramanya , c faloutsos. venue: vldb. year: 1998", "productB": "title: mindreader : querying databases through multiple examples. authors: yirsc faloutsost. venue: nan. year: nan", "same": true}
+{"productA": "title: fast high-dimensional data search in incomplete databases. authors: b ooi , c goh , k tan. venue: vldb. year: 1998", "productB": "title: fast high-dimensional data search in incomplete databases. authors: bc ooi , ch goh , kl tan. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: sentinel : an object-oriented dbms with event-based rules. authors: s chakravarthy. venue: sigmod conference. year: 1997", "productB": "title: s & n\u00e2 ?? tzn & l : an object-oriented dbms with event-based rules. authors: s chakravarthy. venue: nan. year: nan", "same": true}
+{"productA": "title: pc database systems - present and future. authors: p bernstein. venue: vldb. year: 1994", "productB": "title: pc database systems-present and future. authors: pa bernstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: design and analysis of parametric query optimization algorithms. authors: s ganguly. venue: vldb. year: 1998", "productB": "title: design and analysis of parametric query optimization algorithms. authors: s ganguly. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge representation meets databases. authors: nan. venue: nan. year: 1997", "productB": "title: intelligent access to heterogeneous information sources report on the 4th workshop on knowledge. authors: ma jeusfeld. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: building knowledge base management systems. authors: j my1opou , vc os , d plexousakis , a shrufi , t. venue: technical report , the vldb journal ( to appear ) ,. year: nan", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: sting : a statistical information grid based approach to spatial data mining. authors: w wang , j yang , r muntz. venue: proc . 23rd int . conf . on very large data base ,. year: nan", "same": true}
+{"productA": "title: peer-to-peer : harnessing the power of disruptive technologies. authors: m nascimento. venue: sigmod record. year: 2003", "productB": "title: peer-to-peer : harnessing the power of disruptive technologies. authors: ma nascimento. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: temporal database bibliography update. authors: y wu , s jajodia , xs wang. venue: nan. year: nan", "same": true}
+{"productA": "title: what is the data warehousing problem ? ( are materialized views the answer ? ). authors: a gupta , i mumick. venue: vldb. year: 1996", "productB": "title: what is the data warehousing problem ? ( are materialized views the answer ? ). authors: a gupta , is mumick. venue: proceedings of the 22th international conference on very & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: querying shapes of histories. authors: r agrawal , g psaila , e wimmers , m za\u044ft. venue: vldb. year: 1995", "productB": "title: m. za it ( 1995 ) . querying shapes of histories. authors: r agrawal , g psaila , el wimmers. venue: proceedings of the 21st conference on very large databases (. year: nan", "same": true}
+{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: b adelberg. venue: sigmod conference. year: 1998", "productB": "title: nodose . atool for semi-automatically extracting structeredandsemistructureddata from text document. authors: b adelberg. venue: proc . acm sigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: an ontological analysis of the relationship construct in conceptual modeling. authors: y wand , v storey , r weber. venue: acm trans . database syst .. year: 1999", "productB": "title: an ontological analysis of the relationship construct conceptual modeling. authors: w yair , cs veda , w kon. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: lots o ' ticks : real-time high performance time series queries on billions of trades and quotes. authors: a whitney , d shasha. venue: sigmod conference. year: 2001", "productB": "title: lots o'ticks : real time high performance time series queries on billions of trades and quotes. authors: a whitney , d shasha. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: change-centric management of versions in an xml warehouse. authors: a marian , s abiteboul , g cobena , l mignet. venue: vldb. year: 2001", "productB": "title: change-centric management of versions in an xml warehouse , september 2001. authors: a marian , s abiteboul , g cobena , l mignet. venue: nan. year: nan", "same": true}
+{"productA": "title: accelerating xpath location steps. authors: t grust. venue: sigmod conference. year: 2002", "productB": "title: accelerated xpath location steps. authors: t grust. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: fast computation of sparse datacubes. authors: k ross , d srivastava. venue: vldb. year: 1997", "productB": "title: fast computation of sparse datacubes [ c ]. authors: ka ross , d strivastava. venue: proc of the 23a vldb conf , athens , green ,. year: nan", "same": true}
+{"productA": "title: terraserver : a spatial data warehouse. authors: t barclay , d slutz , j gray. venue: sigmod conference. year: 2000", "productB": "title: microsoft terraserver : a spatial data warehouse. authors: t barclay , j gray , d slutz. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: maintaining coherency of dynamic data in cooperating repositories. authors: s shah , k ramamritham , p shenoy. venue: vldb. year: 2002", "productB": "title: maintaining coherency of dynamic data in cooperative repositories. authors: s shah , k ramamritham , p shenoy. venue: int . conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: mefu interoperable database system. authors: dd dengi , e kilic. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: semantic interoperability in global information systems : a brief introduction to the research area and the special section. authors: a ouksel , a sheth. venue: sigmod record. year: 1999", "productB": "title: a brief introduction to the research area and the special section. authors: a ouksel , a sheth. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: spatial join selectivity using power laws. authors: c faloutsos , b seeger , a traina , c jr.. venue: sigmod conference. year: 2000", "productB": "title: bspatial join selectivity using power laws. authors: c faloutsos , b seeger , a traina , c traina. venue: proc . of acm-sigmod conference on the management of. year: nan", "same": true}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: rp * : a family of order-preserving scalable distributed data structures , 20 thintl. authors: w litwin , ma neimat , d schneider. venue: conf . on very large databases ( vldb\u00e2 ?? 94 ) ,. year: nan", "same": true}
+{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: t yan , j annevelink. venue: vldb. year: 1994", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tw yan , j annevelink. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the effective of gloss for the text database discovery problem. authors: hgoms luisgravano , a tomasic. venue: proc . of the acm sigmod conference , acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: parametric query optimization. authors: y ioannidis , r ng , k shim , t sellis. venue: vldb j.. year: 1997", "productB": "title: parametric query optimization. authors: ye ioannidis , rt ng , k shim , tk sellis. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: indexing large metric spaces for similarity search queries association for computing machinery. authors: t bozkaya , m ozsoyoglu. venue: transactions on database system ,. year: nan", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: realm-based spatial data types : the rose algebra . fernuniversit\u00e3 $ t hagen , informatik-report 141 ,. authors: rh g\u00e3 1/4 ting , m schneider. venue: vldb. year: nan", "same": true}
+{"productA": "title: sql and management of external data. authors: j melton , j michels , v josifovski , k kulkarni , p schwarz , k zeidenstein. venue: sigmod record. year: 2001", "productB": "title: sql and management of external data. authors: gc introduction. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: join synopses for approximate query answering. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: join synopses for approximate query answering , acm sigmod int. authors: s acharaya , pb gibbons , v poosala , s ramaswamy. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: tigukat : a uniform behavioral objectbase management system. authors: m \u0436zsu , r peters , d szafron , b irani , a lipka , a mu\u0451oz. venue: vldb j.. year: 1995", "productB": "title: mu\u00e3 \u00b1 oz , '' tigukat : a uniform behavioral objectbase management system. authors: mt \u00e3?zsu , r peters , d szafron , b irani , a lipka. venue: vldb. year: nan", "same": true}
+{"productA": "title: hyperstorm - administering structured documents using object-oriented database technology. authors: k b\u0456hm , k aberer. venue: sigmod conference. year: 1996", "productB": "title: hyperstorm\u00e2 ?? administering structured documents using object-oriented database technology. authors: k b\u00e3 \u00b6 hm , k aberer. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: workshop on performance and architecture of web servers ( paws-2000 , held in conjection with sigmetrics-2000 ). authors: nan. venue: nan. year: 2000", "productB": "title: workshop on performance and architecture of web servers. authors: k kant , p mohapatra. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record. year: 1995", "productB": "title: implementation aspects of an object-oriented dbms. authors: a dogac , m altinel , c ozkan , i durusoy. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: db2 common server : technology , progress , & directions. authors: b lindsay. venue: vldb. year: 1995", "productB": "title: db2 common server : technology , progress , & directions. authors: b lindsay. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: the clustra telecom database : high availability , high throughput , and real-time response. authors: s hvasshovd , \u0438 torbj\u0458rnsen , s bratsberg , p holager. venue: vldb. year: 1995", "productB": "title: the clustra telecom database. authors: s hvasshovd\u00e2 ? \u00a6. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: integrating reliable memory in databases. authors: w ng , p chen. venue: vldb. year: 1997", "productB": "title: integrating reliable memory in databases. authors: wt ng , pm chen. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: min-max compression methods for medical image databases. authors: k karadimitriou , j tyler. venue: sigmod record. year: 1997", "productB": "title: min-max compression methods for medical image databases. authors: k karadimitriou , jm tyler. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: qc-trees : an efficient summary structure for semantic olap. authors: l lakshmanan , j pei , y zhao. venue: sigmod conference. year: 2003", "productB": "title: qc-trees : an efficient summary structure for semantic olap .. authors: lvs lakshmanan , j pei , y zhao. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: sigmod conference. year: 1994", "productB": "title: sleepers and workaholics : caching strategies in mobile environments ( extended version ) , \u00e2\u00ba mobidata :. authors: d barbara , t imielinski. venue: mobile computing ,. year: nan", "same": true}
+{"productA": "title: the microsoft repository. authors: p bernstein , b harry , p sanders , d shutt , j zander. venue: vldb. year: 1997", "productB": "title: the microsoft repository. authors: b harry , p sanders , pa bernstein , d shutt , j. venue: nan. year: nan", "same": true}
+{"productA": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: s venkataraman , t zhang. venue: vldb. year: 1998", "productB": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: s venkataraman , t zhang. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: o-o , what 's happening to db2 ?. authors: m carey , d chamberlin , s narayanan , b vance , d doole , s rielau , r swagerman , n mattos. venue: sigmod conference. year: 1999", "productB": "title: oo , what 's happening to db2 ?. authors: m carey , d chamberlin. venue: proc . acm sigmod int &#39; l conf . management of data ,. year: 1999.0", "same": true}
+{"productA": "title: minimal probing : supporting expensive predicates for top-k queries. authors: k chang , s hwang. venue: sigmod conference. year: 2002", "productB": "title: cc. , and hwang , sw. , '' minimal probing : supporting expensive predicates for top-k queries , ''. authors: k chang. venue: proceedings of the 2002 acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: niagaracq : a scalable continous query system for the internet databases. authors: j chen , d dewitt , f tian , y wang. venue: acm. year: nan", "same": true}
+{"productA": "title: a case for fractured mirrors. authors: r ramamurthy , d dewitt , q su. venue: vldb. year: 2002", "productB": "title: a case for fractured mirrors. authors: r ramamurthy , dj dewitt , q su. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: join queries with external text sources : execution and optimization techniques. authors: s chaudhuri , u dayal , t yan. venue: sigmod conference. year: 1995", "productB": "title: join queries with externaltext sources : executionand optimization techniques. authors: s chaudhuri , u dayal , t yan. venue: proc . of the acm sigmod intl. conferenceon managementof. year: nan", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: a language for interoperability in relational mulitdatabase systems. authors: s lakshaman , s subramanian. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: t2 : a customizable parallel database for multi-dimensional data. authors: c chang , a acharya , a sussman , j saltz. venue: sigmod record. year: 1998", "productB": "title: t2 : a customizable parallel database for multi-dimensional data. authors: c chang , a acharya , a sussman , j saltz. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: k wu , p yu , j chung , j teng. venue: vldb. year: 1995", "productB": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor. authors: kl wu , ps yu , jy chung , jz teng. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: capability based mediation in tsimmis. authors: c li , r yerneni , v vassalos , h garcia-molina , y papakonstantinou , j ullman , m valiveti. venue: sigmod conference. year: 1998", "productB": "title: y , papakonstantinou , j. ullmann , m. valiveti , capability based mediation in tsimmis. authors: c li , r yerneni , v vassalos , h garcia-molina. venue: proc . of acm sigmod conf . ( demonstration ) , seattle , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb. year: 2002", "productB": "title: \u00e2 ?? streaming queries over streaming data. authors: s chandrasekan , m franklin. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: an overview and classification of mediated query systems. authors: r domenig , k dittrich. venue: sigmod record. year: 1999", "productB": "title: an overview and classification of mediated query systems. authors: r domenig , kr dittrich. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb. year: 2002", "productB": "title: streaming queries over streaming data. authors: m franklin , s chandrasekaran. venue: 28th vldb conference , the international journal on vldb , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: al. ( 1997 ) . lore : a database management system for semistructured data. authors: j mchugh , s abiteboul. venue: sigmod. year: nan", "same": true}
+{"productA": "title: using sql to build new aggregates and extenders for object - relational systems. authors: h wang , c zaniolo. venue: vldb. year: 2000", "productB": "title: using sql to build new aggregates and extenders for object-relational systems. authors: h wang , c zaniolo. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: a novel index supporting high volume data warehouse insertion. authors: c jermaine , a datta , e omiecinski. venue: vldb. year: 1999", "productB": "title: a novel index supporting high volume data warahouse inbsertion. authors: c jernaine , a datta , e omiecinski. venue: vldb conf ,. year: nan", "same": true}
+{"productA": "title: active xml : peer-to-peer data and web services integration. authors: s abiteboul , o benjelloun , i manolescu , t milo , r weber. venue: vldb. year: 2002", "productB": "title: active xml : peer-to-peer data and web services integration. authors: s abiteboul , o benjelloun , i manolescu , t milo , r. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: eo\u00e2 ?? neil , p. ( 1995 ) \u00e2 ?? a critique of ansi sql isolation levels\u00e2 ??. authors: h berenson , p bernstein , j gray , j melton. venue: proceedings of sigmod , san jose , ca ,. year: nan", "same": true}
+{"productA": "title: algebraic change propagation for semijoin and outerjoin queries. authors: t griffin , b kumar. venue: sigmod record. year: 1998", "productB": "title: algebraic change propagation for semijoin and outerjoin queries .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: principles of optimally placing data in tertiary storage libraries. authors: s christodoulakis , p triantafillou , f zioga. venue: vldb. year: 1997", "productB": "title: trianta\u00e2 \u00ae llou , p. , zioga , f. , 1997 . principles of optimally placing data in tertiary storage. authors: s christodoulakis. venue: proceedings of the 23rd vldb. year: nan", "same": true}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: index-driven similarity search in metric spaces. authors: g hjaltason , h samet. venue: acm trans . database syst .. year: 2003", "productB": "title: index-driven similarity search in metric spaces. authors: gr hjaltason , h samet. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: structure and value synopses for xml data graphs. authors: n polyzotis , m garofalakis. venue: vldb. year: 2002", "productB": "title: structure and value synopses for xml data graphs. authors: n polyzotis , mn garofalakis. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: answering sql queries with aggregation using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: at & t technical memorandum ,. year: nan", "same": true}
+{"productA": "title: decision tables : scalable classification exploring rdbms capabilities. authors: h lu , h liu. venue: vldb. year: 2000", "productB": "title: decision tables : scalable classification exploring rdbms capabilities [ a ]. authors: lu hongjun , liu hongyan. venue: proc of the 26th int conf on very large databasescairo : & hellip ; ,. year: nan", "same": true}
+{"productA": "title: data mining using two-dimensional optimized accociation rules : scheme , algorithms , and visualization. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: sigmod conference. year: 1996", "productB": "title: data mining using two-dimensional optimized association rules : scheme. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: algorithms , and visualization , acm ,. year: nan", "same": true}
+{"productA": "title: the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m jones , p marr\u0453n. venue: sigmod conference. year: 1996", "productB": "title: the multiview project : object-oriented view technology and applications. authors: ea rundensteiner , ha kuno , yg ra , v crestana-taube. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: indexing on air. authors: t imieli\u00e5?ski , s viswanathan , br badrinath. venue: proceedings of the acm-sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: algorithms for finding attribute valuegroup for binary segmentationof categorical databases. authors: t tokuyama. venue: nan. year: nan", "same": true}
+{"productA": "title: using quantitative information for efficient association rule generation. authors: b p\u0454ssas , w jr. , m carvalho , r resende. venue: sigmod record. year: 2000", "productB": "title: using quantitative information for ef-f-ficient ficient aasssociation rule generation sociation rule. authors: b p\u00e3 \u00b4 ssas , w meira jr , m carvalho , rrb p\u00e3 \u00b4 ssas , r. venue: nan. year: nan", "same": true}
+{"productA": "title: discovering all most specific sentences. authors: d gunopulos , r khardon , h mannila , s saluja , h toivonen , r sharm. venue: acm trans . database syst .. year: 2003", "productB": "title: discovering all most specific sentences by randomized algorithms. authors: d gunopulos , h mannila , s saluja. venue: proceedings of the 6th international conference on database & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: why and how to benchmark xml databases. authors: a schmidt , f waas , m kersten , d florescu , m carey , i manolescu , r busse. venue: sigmod record. year: 2001", "productB": "title: why and how to benchmark xml databases. authors: f waas , m kersten , d florescu , mj carey , i. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: performance measurements of tertiary storage devices. authors: t johnson , e miller. venue: vldb. year: 1998", "productB": "title: miller performance measurements of tertiary storage devices. authors: j theodore , l ethan. venue: proceedings. year: nan", "same": true}
+{"productA": "title: report on the semantic web workshop at www 2002. authors: nan. venue: nan. year: 2002", "productB": "title: the semantic web workshop at the 11th international www conference ( www-2002 ). authors: m frank , n noy , w staab. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: on-demand data elevation in hierarchical multimedia storage servers. authors: p triantafillou , t papadakis. venue: vldb. year: 1997", "productB": "title: on-demand data elevation in a hierarchical multimedia storage server. authors: p triantallou , t papadakis. venue: proc . of 23rd intl. conf . on very large data bases , vldb ,. year: 1997.0", "same": true}
+{"productA": "title: the long-term preservation of authentic electronic records. authors: l duranti. venue: vldb. year: 2001", "productB": "title: the long-term preservation of authentic electronic records. authors: l duranti. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: j han , y fu , y huang , y cai , n cercone. venue: sigmod conference. year: 1994", "productB": "title: dblearn : a system prototype for knowledge discovery in relational databases ( system demonstration ). authors: j han , y fu , y huang , y cai , n cercone. venue: proc . 1994 acm-sigmod conf . management of data , minneapolis , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: using schematically heterogeneous structures. authors: r miller. venue: sigmod conference. year: 1998", "productB": "title: using schematically heterogeneous structures . sigmod\u00e2 ?? 98 seattle wa , usa. authors: rj miller. venue: acm 0-89791-995-5 .. year: nan", "same": true}
+{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm trans . database syst .. year: 2003", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: d beneventano , s bergamaschi , c sartori. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: logical and physical versioning in main memory databases. authors: r rastogi , s seshadri , p bohannon , d leinbaugh , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: logical and physical versioning in main memory databases. authors: r rastogi , s seshadri , p bohannon , dw leinbaugh , a. venue: proceedings of the 23rd international conference on very & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: querying the internet with pier. authors: r huebsch , j hellerstein , n lanham , b loo , s shenker , i stoica. venue: vldb. year: 2003", "productB": "title: querying the internet with pier. authors: r huebsch , jm hellerstein , n lanham , bt loo , s. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: visdb : a system for visualizing large databases. authors: d keim , h kriegel. venue: sigmod conference. year: 1995", "productB": "title: visdb : a system for visualizing large databases , system demonstration. authors: da keim , hp kriegel. venue: proc . acm sigmod int . conf . on management of data , san jose , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: sigmod conference. year: 1998", "productB": "title: integrating association rule mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: data mining and knowledge discovery ,. year: 2000.0", "same": true}
+{"productA": "title: object fusion in mediator systems. authors: y papakonstantinou , s abiteboul , h garcia-molina. venue: vldb. year: 1996", "productB": "title: object fusion in mediator systems. authors: y papakostantantinou , s abiteboul , h garcia-molina. venue: proc . 22nd international conference on very large databases & hellip ; ,. year: nan", "same": true}
+{"productA": "title: geominer : a system prototype for spatial data mining. authors: j han , k koperski , n stefanovic. venue: sigmod conference. year: 1997", "productB": "title: n. stefanovic 1997 \u00e2 ?? geominer : a system prototype for spatial data mining\u00e2 ??. authors: j han , k koperski. venue: proc . acm-sigmod int . conf . on management of data ( sigmod &#39; 97. year: nan", "same": true}
+{"productA": "title: report on ngits ' 99 : the 4th international workshop on next generation information technologies and systems. authors: nan. venue: nan. year: 1999", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies. authors: o etzion. venue: acm sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: a web odyssey : from codd to xml. authors: v vianu. venue: sigmod record. year: 2003", "productB": "title: from codd to xml. authors: v vianu , aw odyssey. venue: proceedings of the twentieth acm sigmod-sigact-sigart & hellip ; ,. year: nan", "same": true}
+{"productA": "title: parallel evaluation of multi-join queries. authors: a wilschut , j flokstra , p apers. venue: sigmod conference. year: 1995", "productB": "title: parallel evaluation of multi-join queries. authors: an wilschut , j flokstra , pmg apers. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: predator : a resource for database research. authors: p seshadri. venue: sigmod record. year: 1998", "productB": "title: bpredator : a resource for database research , \u00e2 ?? \u00e2 ??. authors: p seshadri. venue: sigmod. year: nan", "same": true}
+{"productA": "title: lessons from wall street : case studies in configuration , tuning , and distribution ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: lessons from wall street : case studies in database tuning , configuration , and replication. authors: d shasha. venue: proc . 1997 acm sigmod. year: nan", "same": true}
+{"productA": "title: user-optimizer communication using abstract plans in sybase ase. authors: m andrei , p valduriez. venue: vldb. year: 2001", "productB": "title: user-optimizer communication using abstract plans in sybase ase. authors: m andrei. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: statistics on views. authors: c galindo-legaria , m joshi , f waas , m wu. venue: vldb. year: 2003", "productB": "title: statistics on views. authors: ca galindo-legaria , mm joshi , f waas , mc wu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: operator scheduling in a data stream manager. authors: d carney , u \u0447etintemel , a rasin , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: operator scheduling in a data stream manager. authors: d carney , u cetintemel , a rasin , s zdonik , m. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: modeling high-dimensional index structures using sampling. authors: c lang , a singh. venue: sigmod conference. year: 2001", "productB": "title: modeling high-dimensional index structures using sampling. authors: ak singh , ca lang. venue: proc . acm sigmod int\u00e2 ?? l conf . on management of data , santa & hellip ; ,. year: nan", "same": true}
+{"productA": "title: xpress : a queriable compression for xml data. authors: j min , m park , c chung. venue: sigmod conference. year: 2003", "productB": "title: xpress : a queriable compression for xml data. authors: jk min , mj park , cw chung. venue: nan. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering methodfor very large databases. authors: t zhang , r ramakrishnan , m livny. venue: proc . acm sigmod intl. conf . on managementof data , pages103 & hellip ; ,. year: nan", "same": true}
+{"productA": "title: joining ranked inputs in practice. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2002", "productB": "title: joining ranked inputs in practice. authors: if ilyas , wg aref , ak elmagarmid. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: approximate query translation across heterogeneous information sources. authors: k chang , h garcia-molina. venue: vldb. year: 2000", "productB": "title: approximate query translation across heterogeneous information sources ( extended version ). authors: cck chang. venue: nan. year: nan", "same": true}
+{"productA": "title: lachesis : robust database storage management based on device-specific performance characteristics. authors: j schindler , a ailamaki , g ganger. venue: vldb. year: 2003", "productB": "title: lachesis : robust database storage management based on device-specific performance characteristics. authors: j schindler , a ailamaki , gr ganger. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: computing iceberg queries efficiently. authors: m fang , n shivakumar , h garcia-molina , r motwani , j ullman. venue: vldb. year: 1998", "productB": "title: computing iceberg queries e ciently. authors: m fang , n shivakumar , h garcia-molina , r motwani ,. venue: nan. year: nan", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: m-tree : an efficient access methodforsimilaritysearch in metricspaces , ''. authors: p ciaccia , m patella , p zezula. venue: proceedings of the 23rd vldb , august ,. year: nan", "same": true}
+{"productA": "title: projecting xml documents. authors: a marian , j sim\u0449on. venue: vldb. year: 2003", "productB": "title: projecting xml documents , vldb\u00e2 ?? 2003. authors: a marian , j simeon. venue: berlin , germany , september ,. year: nan", "same": true}
+{"productA": "title: xmark : a benchmark for xml data management. authors: a schmidt , f waas , m kersten , m carey , i manolescu , r busse. venue: vldb. year: 2002", "productB": "title: a benchmark for xml data management. authors: a schmidt , f waas , m kersten , m carey , i manolescu. venue: vldb. year: nan", "same": true}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: j. ( 1994 ) , efficient and effective clustering methods for spatial data mining. authors: rt ng , g han. venue: proceedings of the 20th vldb. year: nan", "same": true}
+{"productA": "title: object fusion in mediator systems. authors: y papakonstantinou , s abiteboul , h garcia-molina. venue: vldb. year: 1996", "productB": "title: object fusion in mediator systems ( extended version ). authors: y papakonstantinou , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: b bhattacharjee , s padmanabhan , t malkemus , t lai , l cranston , m huras. venue: vldb. year: 2003", "productB": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: b bhattacharjee , s padmanabhan , t malkemus , t lai ,. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: to table or not to table : a hypertabular answer. authors: g santucci , l tarantino. venue: sigmod record. year: 1996", "productB": "title: to table or not to table : a hypertabular answer. authors: g santucci , l tarantino. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: rrxf : redundancy reducing xml storage in relations. authors: y chen , s davidson , c hara , y zheng. venue: vldb. year: 2003", "productB": "title: rrxs : redundancy reducing xml storage in relations. authors: y chen , s davidson , c hara , y zheng. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialized view selection in a multi-dimensional datacube. authors: e baralis , s paraboschi , e teniente. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: logical design for temporal databases with multiple granularities. authors: x wang , c bettini , a brodsky , s jajodia. venue: acm trans . database syst .. year: 1997", "productB": "title: logical design for temporal databases with multiple granularities. authors: c bettini , a brodsky , s jajodia , xs wang. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: security of random data perturbation methods. authors: k muralidhar , r sarathy. venue: acm trans . database syst .. year: 1999", "productB": "title: security of random data perturbation methods. authors: k muralidhar , r sarathy. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: data bubbles : quality preserving performance boosting for hierarchical clustering. authors: m breunig , h kriegel , p kr\u0456ger , j sander. venue: sigmod conference. year: 2001", "productB": "title: data bubbles : quality preserving performance boosting. authors: m breuning , hp kriegel , p kr\u00e3 \u00b6 ger , j sander. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the piazza peer data management project. authors: i tatarinov , z ives , j madhavan , a halevy , d suciu , n dalvi , x dong , y kadiyska , g miklau , p mork. venue: sigmod record. year: 2003", "productB": "title: the piazza peer data mgt project. authors: i tatarinov\u00e2 ? \u00a6. venue: sigmod rec ,. year: nan", "same": true}
+{"productA": "title: electronic market : the roadmap for university libraries and members to survive in the information jungle. authors: m christoffel , s pulkowski , b schmitt , p lockemann. venue: sigmod record. year: 1998", "productB": "title: electronic market : the roadmap for university libraries and members to survive in the information. authors: m christoel , s pulkowski , b schmitt , pc lockemann. venue: sigmod record ( acm special interest group on management of & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: an orthogonally persistent java. authors: m atkinson , l dayn\u0448s , m jordan , t printezis , s spence. venue: sigmod record. year: 1996", "productB": "title: an orthogonally persistent java. authors: mj jordan , t prinzezis , mp atkinson , l daynes , s. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communication environments , university of maryland. authors: s acharya , r alonso , m franklin , s zdonik. venue: md ,. year: nan", "same": true}
+{"productA": "title: type classification of semi-structured documents. authors: m tresch , n palmer , a luniewski. venue: vldb. year: 1995", "productB": "title: type classification of semi-structured documents. authors: m tresch , n palmer , a luniewski. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: roadrunner : towards automatic data extraction from large web sites. authors: v crescenzi , g mecca , p merialdo. venue: vldb. year: 2001", "productB": "title: roadrunner : towards automatic data extraction from large web sites. authors: g mecca , v crescenzi , p merialdo. venue: proceedings of the 27th very large databases conference , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: why i like working in academia. authors: r snodgrass. venue: sigmod record. year: 2002", "productB": "title: why i like working in academia. authors: rt snodgrass. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: neurorule : a connectionist approach to data mining. authors: h lu , r setiono , h liu. venue: vldb. year: 1995", "productB": "title: neurorule : a connectionist approach to data mining in proc . 21th int. authors: h lu , r setiono , h liu. venue: conf . very large data. year: nan", "same": true}
+{"productA": "title: performing jobs without decompression in a compressed database system. authors: s o'connell , n winterbottom. venue: sigmod record. year: 2003", "productB": "title: performing joins without decompression in a compressed database system. authors: , n winterbottom. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: optimizing database architecture for the new bottleneck : memory access. authors: s manegold , p boncz , m kersten. venue: vldb j.. year: 2000", "productB": "title: database architecture optimized for the new bottleneck : memory access. authors: pa boncz. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: , pz kunszt . designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: atjgdr slutz. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization ofqueries with user-defined predicates. authors: s chaudhuri , k shim. venue: proc . ofthe conf . on very large data bases. year: nan", "same": true}
+{"productA": "title: influence sets based on reverse nearest neighbor queries. authors: f korn , s muthukrishnan. venue: sigmod conference. year: 2000", "productB": "title: influence sets based on reverse nearest neighbors. authors: f korn , s muthukrishnan. venue: proceedings of the acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro , s zdonik. venue: sigmod conference. year: 1999", "productB": "title: june 1999 . dbis toolkit-adaptible middleware for large-scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro ,. venue: acm sigmod intl. conference on management of data ( sigmod 99. year: nan", "same": true}
+{"productA": "title: towards a richer web object model. authors: f manola. venue: sigmod record. year: 1998", "productB": "title: towards a richer web object model .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: the new middleware. authors: r finkelstein. venue: sigmod record. year: 1995", "productB": "title: the new middleware. authors: r finkelstein. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: materialized view and index selection tool for microsoft sql server 2000. authors: s agrawal , s chaudhuri , v narasayya. venue: sigmod conference. year: 2001", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: s agrawal , s chaudhuri , v narasayya. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: watchman : a data warehouse intelligent cache manager. authors: p scheuermann , j shim , r vingralek. venue: vldb. year: 1996", "productB": "title: watchman : a data warehouse intelligent cache manager. authors: p scheuermann , j shim , r vingralek. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: hardware acceleration for spatial selections and joins. authors: c sun , d agrawal , a abbadi. venue: sigmod conference. year: 2003", "productB": "title: hardware acceleration for spatial selections and joins. authors: c sun , d agrawal. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: generic schema matching with cupid. authors: j madhavan , p bernstein , e rahm. venue: vldb. year: 2001", "productB": "title: generic schema matching with cupid. authors: pa bernstein , j madhavan , e rahm. venue: the vldb journal ,. year: 2001.0", "same": true}
+{"productA": "title: picodmbs : scaling down database techniques for the smartcard. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2000", "productB": "title: picodbms : scaling down database techniques for the smartcard ' , 26th int . conf . on very large data. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: cairo , september ,. year: nan", "same": true}
+{"productA": "title: effective & efficient document ranking without using a large lexicon. authors: y ogawa. venue: vldb. year: 1996", "productB": "title: effective and efficient document ranking without using a large lexicon. authors: o yasushi. venue: nan. year: nan", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases , r. goldman , j.. authors: r goldman. venue: vldb. year: nan", "same": true}
+{"productA": "title: timber : a native xml database. authors: h jagadish , s al-khalifa , a chapman , l lakshmanan , a nierman , s paparizos , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: vldb j.. year: 2002", "productB": "title: yuqing wu . t imber : a native xml database. authors: hv jagadish , s al-khalifa , l lakshmanan , a nierman. venue: & hellip ; of michigan , april 2002 . http://www . eecs . umich .. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: fast similarity search in the presence of noise. authors: r agrawal , ki lin , hs sawhney , k shim. venue: scaling , and translation in time-series databases , \u00e2\u00ba very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: estimating page fetches for index scans with finite lru buffers. authors: a swami , k schiefer. venue: vldb j.. year: 1995", "productB": "title: estimating page fetches for index scans with finite lru buffers. authors: a swami , kb schiefer. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: `` one size fits all '' database architectures do not work for dds. authors: c french. venue: sigmod conference. year: 1995", "productB": "title: \u00e2 ?? one size fits all\u00e2 ?? database architectures do not work for dss. authors: c french. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: type-safe relaxing of schema consistency rules for flexible modeling in oodbms. authors: e amiel , m bellosta , e dujardin , e simon. venue: vldb j.. year: 1996", "productB": "title: type-safe relaxing of schema consistency rules for flexible modelling in oodbms. authors: e amiel , mj bellosta , e dujardin , e simon. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: aggregate maintenance for data warehousing in informix red brick vista. authors: c bunker , l colby , r cole , w mckenna , g mulagund , d wilhite. venue: vldb. year: 2001", "productB": "title: aggregate maintenance for data warehousing in informix red brick vista. authors: cj bunker , ls colby , rl cole , wj mckenna , g. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: multi-table joins through bitmapped join indices. authors: p o'neil , g graefe. venue: sigmod record. year: 1995", "productB": "title: multi-table joins through bitmapped join indices. authors: , g graefe. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: resource scheduling for composite multimedia objects. authors: m garofalakis , y ioannidis , b \u0436zden. venue: vldb. year: 1998", "productB": "title: b.\u00e2 $ ozden . resource scheduling for composite multimedia objects . tech. authors: mn garofalakis , ye ioannidis. venue: memorandum bl0112330-980225-03tm , bell laboratories , february. year: nan", "same": true}
+{"productA": "title: xmas : an extensible main-memory storage system for high-performance applications. authors: j park , y kwon , k kim , s lee , b park , s cha. venue: sigmod conference. year: 1998", "productB": "title: xmas : an extensible main-memory storage system. authors: sk cha , jh park , bd park. venue: proceedings of the sixth international conference on & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: y zhao , p deshpande , j naughton. venue: sigmod conference. year: 1997", "productB": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: z yihong , p deshpande , j naughton. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: efficient concurrency control for broadcast environments. authors: j shanmugasundaram , a nithrakashyap , r sivasankaran , k ramamritham. venue: sigmod conference. year: 1999", "productB": "title: efficient concurrency control for broadcast environments. authors: j shnmugasundram , a nithrakashyap , r sivasankaran ,. venue: technical report , 1997-062 , department of computer science ,. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: indexing on air. authors: t imielifiski , s viswanathan , br badrinath. venue: proceedihgs of the acm-sigmod international conference on. year: nan", "same": true}
+{"productA": "title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: f korn , h jagadish , c faloutsos. venue: sigmod conference. year: 1997", "productB": "title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: kf jagadish , h faloutsos. venue: proc . acm sigmod int . conf . management. year: nan", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: change , k. , garcia-molina , h. , paepcke , a. : starts stanford proposal for internet meta-searching. authors: l fravano. venue: proceedings of the acm-sigmod international conference on. year: nan", "same": true}
+{"productA": "title: distributed transactions in practice. authors: p ram , l do , p drew. venue: sigmod record. year: 1999", "productB": "title: distributed transactions in practice .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: the strip rule system for efficiently maintaining derived data. authors: b adelberg , h garcia-molina , j widom. venue: sigmod conference. year: 1997", "productB": "title: \u00e2 ?? the strip rule system for efficiently maintaining derived data , & rdquo. authors: b adelberg , h garcia-molina , j widom. venue: proc . acm sigmod int &#39; l conf . management of data ,. year: nan", "same": true}
+{"productA": "title: using unknowns to prevent discovery of association rules. authors: y saygin , v verykios , c clifton. venue: sigmod record. year: 2001", "productB": "title: using unknowns to prevent discovery of association rules. authors: y saygin , vs verykios , c clifton. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: sigmod conference. year: 1994", "productB": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u00e3 \u00a1 , t imielinski. venue: proc . acm sigmod int\u00e2 ?? l conf . management of data ,. year: 1994.0", "same": true}
+{"productA": "title: semistructured und structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record. year: 1997", "productB": "title: semi-structured and structured data in the web : going back and forth. authors: pag mecca , p merialdo. venue: proc acm sigmod workshop on management of semi-structured & hellip ; ,. year: nan", "same": true}
+{"productA": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: c aggarwal. venue: sigmod record. year: 2001", "productB": "title: re-designing distance functions and distance-based applications for high dimensional applications. authors: cc aggarwal. venue: proc . of sigmod-pods ,. year: nan", "same": true}
+{"productA": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record. year: 2002", "productB": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: icicles : self-tuning samples for approximate query answering. authors: v ganti , m lee , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: icicles : selftuning samples for approximate query processing. authors: v ganti , ml lee , r ramakrishnan. venue: proceedings of vldb ,. year: nan", "same": true}
+{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: specification and implementation of exceptions in workflow management systems [ j ]. authors: pd milano. venue: acm transactions on database system ,. year: nan", "same": true}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: constraint databases : a tutorial introduction .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: design and development of a stream service in a heterogenous client environment. authors: n pappas , s christodoulakis. venue: vldb. year: 2000", "productB": "title: design and development of a stream service in a heterogenous client environment. authors: n pappas , s christodoulakis. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation of range predicates in proc . of acm sigmod. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: a database striptease or how to manage your personal databases. authors: m kersten , g weikum , m franklin , d keim , a buchmann , s chaudhuri. venue: vldb. year: 2003", "productB": "title: a database striptease or how to manage your personal databases. authors: ml kersten , g weikum , mj franklin , da keim , ap. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: andz . protopapas . fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel. venue: technical report cs-tr-3613 , university of maryland institute. year: nan", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: schwarz p. don\u00e2 ?? t scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m tork roth. venue: vldb [ vld97 ]. year: nan", "same": true}
+{"productA": "title: iceberg-cube computation with pc clusters. authors: r ng , a wagner , y yin. venue: sigmod conference. year: 2001", "productB": "title: iceberg-cube computation with pc clusters. authors: rt ng. venue: nan. year: nan", "same": true}
+{"productA": "title: continuous nearest neighbor search. authors: y tao , d papadias , q shen. venue: vldb. year: 2002", "productB": "title: bcontinuous nearest neighbor search , ^ in proc. authors: y tao , d papadias , q shen. venue: intl. conf . on very large data bases ( vldb ) , 287y298 ,. year: nan", "same": true}
+{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: nan. venue: nan. year: 2002", "productB": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: j hammer. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: zezulap ( 1997 ) m-tree : anefficientaccess methodforsimilaritysearchinmetricspaces. authors: pm ciacciap. venue: proc . 23rd international conference on very large data bases. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: implementing data cubes efficiently. authors: vha rajaraman , jd ullman. venue: proc . acm sigmod ,. year: 1996.0", "same": true}
+{"productA": "title: information integration : the momis project demonstration. authors: d beneventano , s bergamaschi , s castano , a corni , r guidetti , g malvezzi , m melchiori , m vincini. venue: vldb. year: 2000", "productB": "title: information integration : the momis project demonstration . supporting multiple inheritance. authors: d beneventano , s bergamaschi , s castano , a corni ,. venue: proc . int . conf . on very large data bases. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy efficient indexing on air. authors: t imiehnski , s viswanathan , br badrinath. venue: proc . acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: \u00e3 cents \u00e2 ? \u00ac aggregate-query processing in data warehousing environments\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents. authors: a gupta , v harinarayan , d quass. venue: proc . of vldb ,. year: nan", "same": true}
+{"productA": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: a b\u045cchner , m mulvenna. venue: sigmod record. year: 1998", "productB": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: md mulvenna. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation of range queries. authors: v poosala , y ioannidis , p haas , e shekita. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the clio project : managing heterogeneity. authors: r miller , m hern\u0441ndez , l haas , l yan , c ho , r fagin , l popa. venue: sigmod record. year: 2001", "productB": "title: the clio project : managing heterogeneity u. of toronto. authors: rj miller , ma hernandez , lm hass , l yan , cth ho , r. venue: ibm almaden research. year: nan", "same": true}
+{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez. venue: nan. year: nan", "same": true}
+{"productA": "title: \\ on saying \\ '' \\ `` enough already ! \\ '' \\ '' in sql \\ '' ''. authors: m carey , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: on saying \u00e3 cents \u00e2 ? \u00ac \u00e5?enough already ! \u00e3 cents \u00e2 ? \u00ac \u00e2 ? in sql. authors: mj carey , d kossmann. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: an alternative storage organization for rolap aggregate views based on cubetrees. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1998", "productB": "title: an alternative storage organization for rolap aggregate views based on cubetrees. authors: y kotidis , n roussopoulos. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: and practice , volume 1399 of lncs , chapter the consensus glossary of temporal database concepts. authors: cs jensen\u00e2 ? \u00a6. venue: springer verlag ,. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation : a frequent-pattern tree approach. authors: j han , j pei , y yin , r mao. venue: data mining and knowledge discovery ,. year: 2004.0", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: to weave the web. authors: pag mecca , p merialdo. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k yoda. venue: vldb. year: 1998", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: y morimoto , t fukuda , h matsuzawa , t tokuyama , k. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: nodose version 2.0. authors: b adelberg , m denny. venue: sigmod conference. year: 1999", "productB": "title: nodose version 2.0. authors: b adelberg , m denny. venue: nan. year: nan", "same": true}
+{"productA": "title: on the academic interview circuit : an end-to-end discussion. authors: u \u0447etintemel. venue: sigmod record. year: 2001", "productB": "title: on the academic interview circuit : an end-to-end discussion. authors: u cetintemel. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: efficient geometry-based similarity search of 3d spatial databases. authors: d keim. venue: sigmod conference. year: 1999", "productB": "title: efficient geometry-based similarity search of 3d spatial databases. authors: da keim. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: report on the 1995 international workshop on temporal databases. authors: nan. venue: nan. year: 1995", "productB": "title: report on the 1995 international workshop on temporal databases. authors: a segev , cs jensen , rt snodgrass. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: efficient progressive skyline computation. authors: k tan , p eng , b ooi. venue: vldb. year: 2001", "productB": "title: efficient progressive skyline computation. authors: kl tan , pk eng , bc ooi. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: an approximate search engine for structural databases. authors: j wang , x wang , d shasha , b shapiro , k zhang , x zheng , q ma , z weinberg. venue: sigmod conference. year: 2000", "productB": "title: an approximate search engine for structural databases. authors: jtl wang , x wang , d shasha , ba shapiro , k zhang. venue: proceedings of the 2000 acm sigmod int . conf . on management & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: aggregate-query processing in data warehousing environments. authors: agvhd quass. venue: nan. year: nan", "same": true}
+{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: c chan , m garofalakis , r rastogi. venue: vldb. year: 2002", "productB": "title: re-tree : an efficient index structure for regular expressions. authors: cy chan , m garofalakis , r rastogi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering method for very large databases. authors: tzrrm livny. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: memory-contention responsive hash joins. authors: d davison , g graefe. venue: vldb. year: 1994", "productB": "title: memory-contention responsive hash joins. authors: dl davison , g graefe. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: c. , dewitt , d. , & naughton , j. ( 1999 ) relational databases for querying xml documents : limitations. authors: jt shanmugasundaram , k he , g zhang. venue: proceedings of the 25th vldb conference . http://www . cs .. year: nan", "same": true}
+{"productA": "title: hot mirroring : a study to hide parity upgrade penalty and degradations during rebuilds for raid5. authors: k mogi , m kitsuregawa. venue: sigmod conference. year: 1996", "productB": "title: hot mirroring : a method of hiding parity update penalty and degradation during rebuilds for raid5. authors: k mogi , m kitsuregawa. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: fast time sequence indexing for arbitrary lp norms. authors: b yi , c faloutsos. venue: vldb. year: 2000", "productB": "title: fast time sequence indexingfor arbitrary lp norms. authors: bk yi , c faloutsos. venue: proceedings of vldb , cairo egypt ,. year: nan", "same": true}
+{"productA": "title: indexing the positions of continuously moving objects. authors: s saltenis , c jensen , s leutenegger , m lopez. venue: sigmod conference. year: 2000", "productB": "title: indexing the positions of continuously moving objects , to appear in proc . sigmod int . conf. authors: s saltenis , cs jensen , st leutenegger , ma lopez. venue: management of data ,. year: nan", "same": true}
+{"productA": "title: a database perspective on lotus domino/notes. authors: c mohan. venue: sigmod conference. year: 1999", "productB": "title: a database perspective on lotus domino/notes. authors: c mohan. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: historical queries along multiple lines of time evolution. authors: g landau , j schmidt , v tsotras. venue: vldb j.. year: 1995", "productB": "title: historical queries along multiple lines of time evolution. authors: gm landau , jp schmidt , vj tsotras. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: apex : an adaptive path index for xml data. authors: c chung , j min , k shim. venue: sigmod conference. year: 2002", "productB": "title: apex : an adaptive path index for xml data. authors: j min , c chung , k shim. venue: proceedings of sigmod ,. year: nan", "same": true}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: on completeness of historical query languages. authors: j clifford , a croker , a tuzhilin. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: design and management of data warehouses : report on the dmdw '99 workshop. authors: s gatziu , m jeusfeld , m staudt , y vassiliou. venue: sigmod record. year: 1999", "productB": "title: design and management of data warehouses : report on the dmdw '99 workshop. authors: s gatziu , ma jeusfeld , m staudt , y vassiliou. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: a componentized architecture for dynamic electronic markets. authors: b reich , i ben-shaul. venue: sigmod record. year: 1998", "productB": "title: a componentized architecture for dynamic electronic markets .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: mars : a system for publishing xml from mixed and redundant storage. authors: a deutsch , v tannen. venue: vldb. year: 2003", "productB": "title: mars : a system for publishing xml from mixed and redundant storage. authors: a deutsch , v tannen. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: data management in ecommerce : the good , the bad , and the ugly. authors: nan. venue: nan. year: 2000", "productB": "title: data management in ecommerce : the good , the bad , and the ugly. authors: a gal. venue: nan. year: nan", "same": true}
+{"productA": "title: high-concurrency locking in r-trees. authors: m kornacker , d banks. venue: vldb. year: 1995", "productB": "title: high-concurrency in r-trees. authors: m kornacker , d banks. venue: proc . 21th international conference on vldb ,. year: nan", "same": true}
+{"productA": "title: concurrency in the data warehouse. authors: r taylor. venue: vldb. year: 2000", "productB": "title: concurrency in the data warehouse. authors: r taylor. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: will database researchers have any role in data security ? ( panel abstract ). authors: a rosenthal. venue: sigmod conference. year: 2001", "productB": "title: will database researchers have any role in data security ?. authors: a rosenthal. venue: nan. year: nan", "same": true}
+{"productA": "title: communication efficient distributed mining of association rules. authors: a schuster , r wolff. venue: sigmod conference. year: 2001", "productB": "title: communication-efficient distributed mining of association rules. authors: a schuster , r wolff. venue: data mining and knowledge discovery ,. year: 2004.0", "same": true}
+{"productA": "title: act-net - the active database management system manifesto : a rulebase of adbms features. authors: nan. venue: sigmod record. year: 1996", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: a consorcium. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: w litwin , m neimat , d schneider. venue: vldb. year: 1994", "productB": "title: a family of order-preserving scalable distributed data structure. authors: w litwin , ma neimat , das rp. venue: 20th conf . on very large data bases , santiago , chile ,. year: nan", "same": true}
+{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan , j han , a pang. venue: sigmod conference. year: 1998", "productB": "title: exploratory mining and pruning optimizations of constrained associations rules. authors: tn raymond , lvs lakshmanan , j han , a pang. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: temporal database system implementations , 1995. authors: mh boehlen. venue: department of mathematics and computer science , aalborg. year: nan", "same": true}
+{"productA": "title: similarity query processing using disk arrays. authors: a papadopoulos , y manolopoulos. venue: sigmod conference. year: 1998", "productB": "title: similarity query processing using disk arrays. authors: a papadopoulos , y manolopoulos. venue: nan. year: nan", "same": true}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: tutorial : online query processing. authors: p haas , jm hellerstein. venue: proceedings of sigmod , page ,. year: nan", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: , sk gadi p. hayes and s. jajodia ( e & ) : \u00e2 ?? a consensus glossary of temporal database concepts\u00e2 ??. authors: cs jensen , j cliftord. venue: a chf sig3fod. year: nan", "same": true}
+{"productA": "title: efficient search of multi-dimensional b-trees. authors: h leslie , r jain , d birdsall , h yaghmai. venue: vldb. year: 1995", "productB": "title: efficient search of multi-dimensional b-trees. authors: h leslie , r jain , d birdsall , h yaghmai. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: poesia : an ontological workflow approach for composing web services in agriculture. authors: r fileto , l liu , c pu , e assad , c medeiros. venue: vldb j.. year: 2003", "productB": "title: poesia : an ontological workflow approach for composing web services in agriculture. authors: r fileto , l liu , c pu , ed assad , cb medeiros. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: irisnet : internet-scale resource-intensive sensor services. authors: a deshpande , s nath , p gibbons , s seshan. venue: sigmod conference. year: 2003", "productB": "title: iris : internet-scale resource-intensive sensor services. authors: a deshpande , s nath , pb gibbons , s seshan. venue: nan. year: nan", "same": true}
+{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: a keller , j basu. venue: vldb j.. year: 1996", "productB": "title: a predicate-based caching scheme for client-server database architectures. authors: am keller , j basu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: combining multi-visual features for efficient indexing in a large image database. authors: a ngu , q sheng , d huynh , r lei. venue: vldb j.. year: 2001", "productB": "title: combining multi-visual features for efficient indexing in a large image database. authors: ahh ngu , qz sheng , dq huynh , r lei. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: m. hern andez . schema mapping as query discovery. authors: r miller , l haas. venue: proc vldb ,. year: nan", "same": true}
+{"productA": "title: using schematically heterogeneous structures. authors: r miller. venue: sigmod conference. year: 1998", "productB": "title: using schematically heterogeneous structures. authors: rj miller. venue: nan. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: capturing both types and constraints in data integration. authors: m benedikt , c chan , w fan , j freire , r rastogi. venue: sigmod conference. year: 2003", "productB": "title: capturing both types and constraints in data integration. authors: m benedikt , cy chan , w fan , j freire , r rastogi. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: the dangers of replication and a solution. authors: j gray , p helland. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: designing and mining multi-terabyte astronomy archives : the digital sky survey. authors: a szalay\u00e2 ? \u00a6. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: high-dimensional index structures , database support for next decade 's applications ( tutorial ). authors: s berchtold , d keim. venue: sigmod conference. year: 1998", "productB": "title: high dimensional indexing structures database support for next decade 's applications. authors: s berchtold , d keim. venue: proc . acm sigmod , page ,. year: nan", "same": true}
+{"productA": "title: implementing crash recovery in quickstore : a performance study. authors: s white , d dewitt. venue: sigmod conference. year: 1995", "productB": "title: implementing crash recovery in quickstore : a performance study. authors: , dj dewitt. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: temporal queries in olap. authors: a mendelzon , a vaisman. venue: vldb. year: 2000", "productB": "title: aa vaisman temporal queries in olap. authors: ao mendelzon. venue: 26nd int . conf . on very large data bases , cairo , egypt ,. year: nan", "same": true}
+{"productA": "title: semantic integration of environmental models for application to global information systems and decision-making. authors: d mackay. venue: sigmod record. year: 1999", "productB": "title: semantic integration of environmental models for application to global information systems and. authors: ds mackay. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: holistic twig joins : optimal xml pattern matching. authors: n bruno , n koudas , d srivastava. venue: sigmod conference. year: 2002", "productB": "title: holistic twig joins : optimal xml pattern matching. authors: b nicolas , k nick , s divesh. venue: proc . of the acm sigmod int &#39; l conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: l lakshmanan , r ng , j han , a pang. venue: sigmod conference. year: 1999", "productB": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: lvs lakshmanan , rt ng , j han , a pang. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , y xu. venue: vldb. year: 2003", "productB": "title: phrase matching in xml. authors: s amer-yahia , m fernandez , d srivastava , y xu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: anew sql-like operator formining association rules. authors: r meo , g psaila , s ceri. venue: nan. year: nan", "same": true}
+{"productA": "title: sash : a self-adaptive histogram set for dynamically changing workloads. authors: l lim , m wang , j vitter. venue: vldb. year: 2003", "productB": "title: sash : a self-adaptive histogram set for dynamically changing workloads. authors: l lim , m wang , js vitter. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: tata probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , vs subrahmanian. venue: technical report cs-tr-3987 , department of computer science ,. year: nan", "same": true}
+{"productA": "title: hot block clustering for disk arrays with dynamic striping. authors: k mogi , m kitsuregawa. venue: vldb. year: 1995", "productB": "title: hot block clustering for disk arrays with dynamic striping. authors: k mogi , m kitsuregawa. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: physical data independence , constraints , and optimization with universal plans. authors: a deutsch , l popa , v tannen. venue: vldb. year: 1999", "productB": "title: physical data independence , constraints and optimization with universal plans .. authors: a deutsch , l popa , v tannen. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: electronic market : the roadmap for university libraries and members to survive in the information jungle. authors: m christoffel , s pulkowski , b schmitt , p lockemann. venue: sigmod record. year: 1998", "productB": "title: electronic market : the roadmap for university libraries and members to survive in the information. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: d barbar\u0441 , m sullivan. venue: sigmod record. year: 1997", "productB": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: d barbara , m sullivan. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: filtering algorithms and implementation for very fast publish/subscribe. authors: f fabret , h jacobsen , f llirbat , j pereira , k ross , d shasha. venue: sigmod conference. year: 2001", "productB": "title: filtering algorithms and implementation for very fast publish/subscribe systems. authors: f fabret , ha jacobsen , f llirbat , j pereira , ka. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb. year: 2000", "productB": "title: a case-based approach to information integration. authors: m panti , l spalazzi , a giretti. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: hd-eye : visual mining of high-dimensional data. authors: a hinneburg , da keim , m wawryniuk. venue: computer graphics and applications , ieee ,. year: 1999.0", "same": true}
+{"productA": "title: geo/environmental and medical data management in the rasdaman system. authors: p baumann , p furtado , r ritsch , n widmann. venue: vldb. year: 1997", "productB": "title: geo/environmentalandmedicaldatamanagement in the rasdaman system. authors: p baumann , p furtado , r ritsch , n andwidmann. venue: proc . 23rd conf . very large databases ,. year: nan", "same": true}
+{"productA": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: m tamura , m kitsuregawa. venue: vldb. year: 1999", "productB": "title: dynamic load balancing for parallel association rule mining on heterogeneous pc cluster system. authors: m kitsuregawa , t tamura. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: m tamura , m kitsuregawa. venue: vldb. year: 1999", "productB": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: m tamura , m kitsuregawa. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: why and how to benchmark xml databases. authors: a schmidt , f waas , m kersten , d florescu , m carey , i manolescu , r busse. venue: sigmod record. year: 2001", "productB": "title: why and how to benchmark xml databases [ z ] . proceeding of sigmod international conference. authors: a schmidt , f was , m kersten\u00e2 ? \u00a6. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: efficient and transparent application recovery in client-server information systems. authors: d lomet , g weikum. venue: sigmod conference. year: 1998", "productB": "title: efficient transparent application recovery in client-server information systems ( best paper award ) .. authors: d lomet , g weikum. venue: acm press , new. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: s. tsur dynamic itemset counting and implication rules for market basket data. authors: sm brin , r ullman. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look a tutorial. authors: nan. venue: nan. year: 2002", "productB": "title: querying and mining data streams : you only get one look a tutorial. authors: mn garofalakis , j gehrke , r rastogi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: a generic approach to bulk loading multidimensional index structures. authors: j bercken , b seeger , p widmayer. venue: vldb. year: 1997", "productB": "title: , b. , and widmayer , p. 1997 . a generic approach to bulk loading multidimensional index structures. authors: v den bercken. venue: proceedings of the 23rd international conference on very. year: nan", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in olap data cubes. authors: ct ho , r agrawal , n megiddo , r srikant. venue: nan. year: nan", "same": true}
+{"productA": "title: the asilomar report on database research. authors: p bernstein , m brodie , s ceri , d dewitt , m franklin , h garcia-molina , j gray , g held , j hellerstein , h jagadish , m lesk , d maier , j naughton , h pirahesh , m stonebraker , j ullman. venue: sigmod record. year: 1998", "productB": "title: the asilomar report on database research. authors: b authors. venue: sigmod record 27 ( 4 ) ,. year: nan", "same": true}
+{"productA": "title: the hb-pi-tree : a multi-attribute index supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: the hb ^ \u00ee - tree : a multi-attribute index supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: temporal conditions and integrity constraint checking in active database systems. authors: p sistla , o wolfson. venue: proceedings of the acm sigmod international conference ,. year: nan", "same": true}
+{"productA": "title: distributed top-n query processing with possibly uncooperative local systems. authors: c yu , g philip , w meng. venue: vldb. year: 2003", "productB": "title: processing with possibly uncooperative local systems. authors: c yu , g philip , wmdtn query. venue: technical report , dept. of cs , university of illinois at chicago. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: implementing data cubes e-ciently. authors: v harinarayan , a rajaraman , jd ullman. venue: proceedings of the fifteenth acm sigact-sigmod-sigart & hellip ; ,. year: nan", "same": true}
+{"productA": "title: access to objects by path expressions and rules. authors: j frohn , g lausen , h uphoff. venue: vldb. year: 1994", "productB": "title: access to objects by path expressions and rules. authors: j frohn , g lausen , h uphoff. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: comparing data streams using hamming norms ( how to zero in ). authors: g cormode , m datar , p indyk , s muthukrishnan. venue: vldb. year: 2002", "productB": "title: comparing data streams using hamming norms ( how to zero in ). authors: g cormode , m datar , p indyk , s muthukrishnan. venue: ieee transactions on knowledge and data engineering ,. year: 2003.0", "same": true}
+{"productA": "title: the ins and outs ( and everthing in between ) of data warehousing. authors: nan. venue: nan. year: 1996", "productB": "title: q ` he ins and outs ( and everything in between ) of data warehousing , ''. authors: j byard , d schneider. venue: tutorial in acm sigmod ,. year: nan", "same": true}
+{"productA": "title: semcog : an object-based image retrieval system and its visual query interface. authors: w li , k candan , k hirata , y hara. venue: sigmod conference. year: 1997", "productB": "title: semcog : an object-based image retrieval system and its visual query language. authors: ws li , c ks , k hirata , y hara. venue: proceedings of acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: a framework for clustering evolving data streams. authors: c aggarwal , j han , j wang , p yu. venue: vldb. year: 2003", "productB": "title: a framework for clustering evolving data streams. authors: cc aggarwal , j han , j wang , ps yu. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: generating spatiotemporal datasets on the www. authors: y theodoridis , m nascimento. venue: sigmod record. year: 2000", "productB": "title: generating spatiotemporal datasets on the www. authors: y theodoridos , m nascimento. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u00e3 \u00a1 , t imielinski. venue: proc . acm sigmod int\u00e2 ?? l conf . management of data ,. year: 1994.0", "same": true}
+{"productA": "title: the oracle universal server buffer. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n macnaughton. venue: vldb. year: 1997", "productB": "title: the oracle universal server buer. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n. venue: nan. year: nan", "same": true}
+{"productA": "title: retrieval of composite multimedia objects. authors: s chaudhuri , s ghandeharizadeh , c shahabi. venue: vldb. year: 1995", "productB": "title: avoiding retrieval of composite multimedia objects. authors: s chaudhuri , s ghandeharizadeh , s shahabi. venue: proc . of vldb ,. year: nan", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in olap cubes. authors: ct ho , r agrawal , r megiddo\u00e2 ? \u00a6. venue: proceedings of the international acm sigmod conference , acm & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a quantitative analysis and performance study for similarity-search methods in high-dimensional spaces. authors: r weber , h schek , s blott. venue: vldb. year: 1998", "productB": "title: quantitative analysis and performance study for similaritysearch methods in high-dimensional spaces. authors: r weber. venue: proc . 24th int . conf . on very large. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation : [ technical report cmpt99-12 ]. authors: j herlocker , j pei , y yin. venue: school of computing science , simon fraser university ,. year: nan", "same": true}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: languages for multi-database interoperability. authors: f gingras , lvs lakshmanan , in subramanian , d. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: po ` neil and d. shasha , 1997 . the dangers of replication and a solution. authors: j grey , p helland. venue: proc . acm. year: nan", "same": true}
+{"productA": "title: database research : achievements and opportunities into the 21st century. authors: a silberschatz , m stonebraker , j ullman. venue: sigmod record. year: 1996", "productB": "title: database research : achievements and opportunities into the 21st century . report of an nsf workshop. authors: a silberschatz , m stonebreaker , j ullman. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: srikant . r. fast algorithms for mining association rules. authors: r agrawal. venue: & hellip ; conference very large databases , santiago , chile. year: nan", "same": true}
+{"productA": "title: constraint databases : a tutorial introduction. authors: j bussche. venue: sigmod record. year: 2000", "productB": "title: constraint databases : a tutorial introduction. authors: j van den bussche. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continuously adaptive continuous queries. authors: sm ms02 , m shah , jm hellerstein , v raman. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: graphdb : modeling and querying graphs in databases. authors: r g\u045cting. venue: vldb. year: 1994", "productB": "title: graphdb : modeling and querying graphs in databases. authors: rh gtiting. venue: nan. year: nan", "same": true}
+{"productA": "title: supporting periodic authorizations and temporal reasoning in database access control. authors: e bertino , c bettini , e ferrari , p samarati. venue: vldb. year: 1996", "productB": "title: supporting periodic authorizations and temporal reasoning in database access control. authors: e bertino , c bettini , e ferrari , p samarati. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: sql standardization : the next steps. authors: a eisenberg , j melton. venue: sigmod record. year: 2000", "productB": "title: sql standardization : the next steps. authors: c attractions. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: balancing push and pull for broadcast data. authors: s acharya , m franklin , s zdonik. venue: proc . acm sigmod conf. , tucson , az , may ,. year: nan", "same": true}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: infomaster : an information integration system '' , in proceedings of 1997 acm sigmod conference. authors: mr genesereth , am keller , o duschka. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: research in information managment at dublin city university. authors: m roantree , a smeaton. venue: sigmod record. year: 2002", "productB": "title: research in information managment at dublin city university. authors: m roantree , af smeaton. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: loading the data warehouse across various parallel architectures. authors: v raghavan. venue: vldb. year: 1996", "productB": "title: loading the data warehouse across various parallel architectures. authors: v ay raghavan. venue: nan. year: nan", "same": true}
+{"productA": "title: why decision support fails and how to fix it. authors: r kimball , k strehlo. venue: sigmod record. year: 1995", "productB": "title: why decision support fails and how to x it. authors: r kimball , k strehlo. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: vldb. year: 1996", "productB": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: probabilistic temporal databases , i : algebra. authors: a dekhtyar , r ross , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: probabilistic temporal databases : algebra and implementation. authors: a dekhtyar , r ross , vs subrahmanian. venue: technical report cs-tr-3987 , university of maryland ( january. year: nan", "same": true}
+{"productA": "title: apex : an adaptive path index for xml data. authors: c chung , j min , k shim. venue: sigmod conference. year: 2002", "productB": "title: apex : an adaptive path index for xml data. authors: cw chung , jk min , k shim. venue: nan. year: nan", "same": true}
+{"productA": "title: parallelising oodbms traversals : a performance evaluation. authors: d dewitt , j naughton , j shafer , s venkataraman. venue: vldb j.. year: 1996", "productB": "title: parallelizing oodbms traversals : a performance evaluation. authors: dj de witt , jf naughton , jc shafer , s venkataraman. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algo . for mining assoiciation rules. authors: r agrawal , r srikant. venue: proc . the 20th vldb ,. year: nan", "same": true}
+{"productA": "title: semantic integration of environmental models for application to global information systems and decision-making. authors: d mackay. venue: sigmod record. year: 1999", "productB": "title: semantic integration of environmental models for application to global information and decision -. authors: ds mackay. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan , j han , a pang. venue: sigmod conference. year: 1998", "productB": "title: j. han , and a. pang. : exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan. venue: proc . of the 1998 acm sigmod intl. conf on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: krdb ' 98 : the 5th international workshop on knowledge representation meets databases. authors: nan. venue: nan. year: 1998", "productB": "title: report on the 5th international workshop on knowledge representation meets databases ( krdb\u00e2 ?? 98 ). authors: a borgida. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: a distributed scientific data archive using the web , xml and sql/med. authors: m papiani , j wason , a dunlop , d nicole. venue: sigmod record. year: 1999", "productB": "title: a distributed scientific data archive using the web , xml and sql/med. authors: mpjlw alistair , ndda nicole. venue: nan. year: nan", "same": true}
+{"productA": "title: orthogonally persistent object systems. authors: m atkinson , r morrison. venue: vldb j.. year: 1995", "productB": "title: orthogonally persistent systems. authors: mp atkinson , r morrison. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: a raster approximation for processing of spatial joins. authors: g zimbrao , j souza. venue: vldb. year: 1998", "productB": "title: a raster approximation for the processing of polyline spatial joins. authors: g zimbr\u00e3 # o , jm de souza , rs monteiro , lg azevedo ,. venue: nan. year: nan", "same": true}
+{"productA": "title: a vision of management of complex models. authors: p bernstein , a halevy , r pottinger. venue: sigmod record. year: 2000", "productB": "title: a vision for management of complex models. authors: ay halevy. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: the clio project : managing heterogeneity. authors: r miller , m hern\u0441ndez , l haas , l yan , c ho , r fagin , l popa. venue: sigmod record. year: 2001", "productB": "title: the clio project : managing heterogeneity. authors: rj miller. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: implementing data cubes e\u00e3 \u00a6 - ciently. authors: v harinarayan , a rajaraman , j ullman. venue: proceedings of acm sigmod conference , montreal , canada , june ,. year: nan", "same": true}
+{"productA": "title: illustra 's web datablade module. authors: j gaffney. venue: sigmod record. year: 1996", "productB": "title: lllustra 's web datablade module. authors: j gaffney. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: temporal coalescing with now , granularity , and incomplete information. authors: c dyreson. venue: sigmod conference. year: 2003", "productB": "title: temporal coalescing with now , incomplete information , and granularity. authors: ce dyreson. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: topological relations in the world of minimum bounding rectangles : a study with r-trees. authors: d papadias , y theodoridis , t sellis , m egenhofer. venue: sigmod conference. year: 1995", "productB": "title: topological relations in the world of minimum bounding rectangles : a study with r-trees. authors: d papadias , y theodoridis , t sellis\u00e2 ? \u00a6. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market baskets : generalizing association rules to correlations. authors: b sergey , m rajeev , s craig. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: coma - a system for flexible combination of schema matching approaches. authors: h do , e rahm. venue: vldb. year: 2002", "productB": "title: coma\u00e2 ?? a system for flexible combinationofschemamatchingapproaches. authors: h do , e rahm. venue: proc . 28thinternational conference on very large data bases ,. year: nan", "same": true}
+{"productA": "title: adaptive precision setting for cached approximate values. authors: c olston , b loo , j widom. venue: sigmod conference. year: 2001", "productB": "title: adaptive precision setting for cached approximate values. authors: c olston , bt loo , j widom. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: 2q : a low overhead high performance buffer management replacement algorithm. authors: t johnson , d shasha. venue: vldb. year: 1994", "productB": "title: a low overhead high performance buffer replacement algorithm. authors: t johnson , d shasha. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a survey of approaches to automatic schema matching. authors: e rahm , p bernstein. venue: vldb j.. year: 2001", "productB": "title: a survey of approaches to automatic schema matching. authors: s melnik , e rahm , pa bernstein. venue: journal of web semantics ,. year: nan", "same": true}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: multimedia miner : a system prototype for multimedia data mining. authors: , j han , sh chee , jy chiang. venue: proceedings of acm-sigmod international conference on & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: spire : a progressive content-based spatial image retrieval engine. authors: c li , l bergman , v castelli , j smith. venue: sigmod conference. year: 2000", "productB": "title: spire : a progressive content-based spatial image retrieval engine. authors: cs li , ld bergman , yc chang , v castelli , jr smith. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: multimediaminer : a system prototype for multimedia data mining. authors: or zaiane , j han , zn li , sh chee , j chiang. venue: proc . acm sigmod intl. conf . on management of data ,. year: 1998.0", "same": true}
+{"productA": "title: do n't be lazy , be consistent : postgres-r , a new way to implement database replication. authors: b kemme , g alonso. venue: vldb. year: 2000", "productB": "title: postgres-r , a new way to implement database replication. authors: b kemme , g alonso , bc do n't be lazy. venue: proceedings of the 26th international conference on very. year: nan", "same": true}
+{"productA": "title: serviceglobe : distributing e-services across the internet. authors: m keidl , s seltzsam , k stocker , a kemper. venue: vldb. year: 2002", "productB": "title: serviceglobe : distributing e-services across the internet\u00e2 ?? demonstration proposal. authors: m keidl , s seltzman , k stocker , a kemper. venue: proceedings of the 28 thinternational conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a survey of approaches to automatic schema matching. authors: e rahm , p bernstein. venue: vldb j.. year: 2001", "productB": "title: a survey of approaches to automatic schema matching. authors: pa bernstein , e rahm. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: spatial joins using r-trees : breadth-first traversal with global optimizations. authors: y huang , n jing , e rundensteiner. venue: vldb. year: 1997", "productB": "title: spatial joins using r-trees : breadth-first traversal with global optimizations. authors: h yun-wu , j ning , ea rundensteiner. venue: proc international conference on very large data bases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: on database theory and xml. authors: d suciu. venue: sigmod record. year: 2001", "productB": "title: on database theory and xml. authors: d suciu. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: comparative analysis of six xml schema languages. authors: d lee , w chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of six xml schema languages. authors: d lee , ww chu. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: comparative analysis of six xml schema languages. authors: d lee , w chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of six xml schema languages .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: sql and management of external data. authors: j melton , j michels , v josifovski , k kulkarni , p schwarz , k zeidenstein. venue: sigmod record. year: 2001", "productB": "title: krishna , kulkarni , peter schwarz , kathy zeidenstein , sql and management of external data. authors: j melton , je michels , v josifovski. venue: sigmod record , mar ,. year: nan", "same": true}
+{"productA": "title: a distributed scientific data archive using the web , xml and sql/med. authors: m papiani , j wason , a dunlop , d nicole. venue: sigmod record. year: 1999", "productB": "title: a distributed scientific data archive using the web , xml and sql/med .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: datablitz : a high performance main-memory storage manager. authors: j baulier , p bohannon , s gogate , s joshi , c gupta , a khivesera , h korth , p mcilroy , j miller , p narayan , m nemeth , r rastogi , a silberschatz , s sudarshan. venue: vldb. year: 1998", "productB": "title: datablitz : a high performance main-memory storage manager. authors: j baulier. venue: nan. year: nan", "same": true}
+{"productA": "title: querying shapes of histories. authors: r agrawal , g psaila , e wimmers , m za\u044ft. venue: vldb. year: 1995", "productB": "title: mohamed zait , querying shapes of histories [ a ]. authors: r agrawal , g psaila , el wimmers. venue: proc . of the 21st int &#39; l conference on very large databases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the reach active oodbms. authors: a buchmann , a deutsch , j zimmermann , m higa. venue: sigmod conference. year: 1995", "productB": "title: the reach active oodbms .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: flexible and scalable digital library search. authors: h blok , m windhouwer , r zwol , m petkovic , p apers , m kersten , w jonker. venue: vldb. year: 2001", "productB": "title: flexible and scalable digital library search. authors: he blok , m windhouwer , r van zwol , m petkovic , pmg. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: condition handling in sql persistent stored modules. authors: j richey. venue: sigmod record. year: 1995", "productB": "title: condition handling in sql persistent stored modules. authors: j richey. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: tracing the lineage of view data in a warehousing environment. authors: y cui , j widom , j wiener. venue: acm trans . database syst .. year: 2000", "productB": "title: tracing the lineage of view data in a warehousing environment. authors: y cui , j widom , jl wiener. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: accelerating xpath location steps. authors: t grust. venue: sigmod conference. year: 2002", "productB": "title: accelerating xpath location steps. authors: t grust. venue: nan. year: nan", "same": true}
+{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: m mehta , d dewitt. venue: vldb. year: 1995", "productB": "title: managing intra-operator parallelism in parallel database systems. authors: mm md951 , d dewitt. venue: proc . vldb conference , zurich ,. year: nan", "same": true}
+{"productA": "title: chip-secured data access : reconciling access rights with data encryption. authors: l bouganim , f ngoc , p pucheral , l wu. venue: vldb. year: 2003", "productB": "title: chip-secured data access : reconciling access rights with data encryption. authors: l bouganim , fd ngoc , p pucheral , l wu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: partition based spatial-merge join. authors: j patel , d dewitt. venue: sigmod conference. year: 1996", "productB": "title: dewitt . dj partition based spatail-merge join. authors: jm patel. venue: & hellip ; international conference on management of data . proceedings ,. year: nan", "same": true}
+{"productA": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , h gr\u0456ger , m missikoff. venue: acm trans . database syst .. year: 1998", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a formica , hd groger , m missikoff. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: research and practice in federated information systems , report of the efis ' 2000 international workshop. authors: nan. venue: nan. year: 2000", "productB": "title: research and practice in federated information systems : report of the efis\u00e2 ?? 2000 international. authors: w hasselbring , wj van den heuvel , gj houben , rd. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: vldb. year: 1999", "productB": "title: similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: a multidatabase system for tracking and retrieval of financial data. authors: m cochinwala , j bradley. venue: vldb. year: 1994", "productB": "title: a multidatabase system for tracking and retrieval of financial data. authors: m cochinwala , j bradley. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: distributing a search tree among a growing number of processors. authors: b kr\u0456ll , p widmayer. venue: sigmod conference. year: 1994", "productB": "title: distributing a search tree among a growing number of processors. authors: b kroell , p widmayer. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: a transducer-based xml query processor. authors: b lud\u0444scher , p mukhopadhyay , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: a transducer-based xml query processor. authors: , p mukhopadhyay , y papakonstantinou. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: an effective hash based algorithm for mining association rules. authors: sp jong , sc ming , sy philip. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the aditi deductive database system. authors: j vaghani , k ramamohanarao , d kemp , z somogyi , p stuckey , t leask , j harland. venue: vldb j.. year: 1994", "productB": "title: the aditi deductive database system. authors: j vaghanl , k ramamohanarao , db kemp , z somogyi , pj. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the x-tree : an index structure for highdimensional data . 22nd conf . on very large databases. authors: s berchtold , d keim , hp kriegel. venue: bombay , india ,. year: nan", "same": true}
+{"productA": "title: fast incremental indexing for full-text information retrieval. authors: e brown , j callan , w croft. venue: vldb. year: 1994", "productB": "title: fast incremental indexing for full-text information retrieval , vldb\u00e2 ?? 94 : proceedings of the 20th. authors: ew brown , jp callan , wb croft. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: the bt-tree : a branched and temporal access method. authors: l jiang , b salzberg , d lomet , m garc\u044da. venue: vldb. year: 2000", "productB": "title: the bt-tree : a branched and temporal access method. authors: l jiang , b salzberg. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: managing business processes via workflow technology. authors: nan. venue: nan. year: 2001", "productB": "title: managing business processes via workflow technology. authors: f leymann. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: a , ullman , jd , implementing data cubes efficiently. authors: r harinarayan. venue: proceedings of the international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: parallel query scheduling and optimization with time - and space-shared resources. authors: m garofalakis , y ioannidis. venue: vldb. year: 1997", "productB": "title: multi-resource parallel query scheduling and optimization. authors: mn garofalakis , ye ioannidis. venue: nan. year: nan", "same": true}
+{"productA": "title: extending an ordbms : the statemachine module. authors: w mahnke , c mathis , h steiert. venue: vldb. year: 2002", "productB": "title: extending an ordbms : the statemachine module. authors: w mahnke , c mathis , hp steiert , ag daimlerchrysler. venue: nan. year: nan", "same": true}
+{"productA": "title: of objects and databases : a decade of turmoil. authors: m carey , d dewitt. venue: vldb. year: 1996", "productB": "title: dj 1996 . of objects and databases : a decade of turmoil. authors: mj carey , t dewit. venue: nan. year: nan", "same": true}
+{"productA": "title: effective memory use in a media server. authors: e chang , h garcia-molina. venue: vldb. year: 1997", "productB": "title: efficient memory use in a media server. authors: e chang , h carcia-molina. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: approximate join processing over data streams. authors: a das , j gehrke , m riedewald. venue: sigmod conference. year: 2003", "productB": "title: approximate join processing over data streams. authors: a das , j gehrke , m riedewald. venue: nan. year: nan", "same": true}
+{"productA": "title: fault tolerant design of multimedia servers. authors: s berson , l golubchik , r muntz. venue: sigmod conference. year: 1995", "productB": "title: fault tolerant design of multimedia servers. authors: s berson. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: secure transaction processing in firm real-time database systems. authors: b george , j haritsa. venue: sigmod conference. year: 1997", "productB": "title: secure processing in real-time database systems. authors: b george , j haritsa. venue: proc . of acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: cubeexplorer : online exploration of data cubes. authors: j han , j wang , g dong , j pei , k wang. venue: sigmod conference. year: 2002", "productB": "title: cubeexplorer : online exploration of data cube. authors: h jiawei , w jianyong , d guozhu , p jian , w ke. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: duplicate removal in information system dissemination. authors: t yan , h garcia-molina. venue: vldb. year: 1995", "productB": "title: duplicate removal in information system dissemination. authors: tw yan , h garcia-molina. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: metrics for accessing heterogeneous data : is there any hope ? ( panel ). authors: l seligman , n belkin , e neuhold , m stonebraker , g wiederhold. venue: vldb. year: 1995", "productB": "title: metrics for accessing heterogeneous data : is there any hope ? ( panel ). authors: lj seligman , nj belkin , ej neuhold , m stonebraker ,. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , hp kriegel. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: cache conscious indexing for decision-support in main memory. authors: j rao , k ross. venue: vldb. year: 1999", "productB": "title: cache conscious indexing for decision-support in main memory. authors: j rao , ka ross. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: caching strategies for data-intensive web sites. authors: d florescu. venue: nan. year: nan", "same": true}
+{"productA": "title: fast time sequence indexing for arbitrary lp norms. authors: b yi , c faloutsos. venue: vldb. year: 2000", "productB": "title: k. , & faloutsos , c. ( 2000 ) . fast time sequence indexing for arbitrary lp norms. authors: b yi. venue: proceedings of the 26 stinternational conference on very. year: nan", "same": true}
+{"productA": "title: database graph views : a practical model to manage persistent graphs. authors: a guti\u0449rrez , p pucheral , h steffen , j th\u0449venin. venue: vldb. year: 1994", "productB": "title: database graph views : a practical model to manage persistent graphs. authors: a gutierrez , p pucheral , h steffen , jm thevenin. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: composite events for active databases : semantics , contexts and detection. authors: s chakravarthy , v krishnaprasad , e anwar , s kim. venue: vldb. year: 1994", "productB": "title: ands . kim . compositeeventsforactivedatabases : semantics , contexs and detection. authors: s chakravarthy , v krishnaprasad , e anwar. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: database evolution in the o 2 database system. authors: f ferrandina , g ferran , j mdec , t meyer , r zicari. venue: proceedings of the 21st international conference on very. year: nan", "same": true}
+{"productA": "title: domino : databases for moving objects tracking. authors: o wolfson , a sistla , b xu , j zhou , s chamberlain. venue: sigmod conference. year: 1999", "productB": "title: domino : databases for moving objects tracking , int. authors: o wolfson , ap sistla , b xu , j zhou , s chamberlain. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: sj et al. the consensus glossary of temporal database concepts. authors: cs jensen , j clifford , sk gadia , p hayes. venue: temporal databases-research and. year: nan", "same": true}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: a conceptual architecture for semantic web enabled web services. authors: b ch , d fensel , a maedche. venue: sigmod. year: nan", "same": true}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: schema and database evolution in the o\u00e2 3/4 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: proc . of the 21st int\u00e2 ?? l conf . on very large databases (. year: nan", "same": true}
+{"productA": "title: optimizing object queries using an effective calculus. authors: l fegaras , d maier. venue: acm trans . database syst .. year: 2000", "productB": "title: optimizing object queries using an effective calculus. authors: l fegaras , d maier. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: fast-start : quick fault recovery in oracle. authors: t lahiri , a ganesh , r weiss , a joshi. venue: sigmod conference. year: 2001", "productB": "title: fast-start : quick fault recovery in oracle. authors: t lahiri , a ganesh , r weiss , a joshi. venue: nan. year: nan", "same": true}
+{"productA": "title: applying formal methods to semantic-based decomposition of transactions. authors: p ammann , s jajodia , i ray. venue: acm trans . database syst .. year: 1997", "productB": "title: applying formal methods to semantic-based decomposition of transactions. authors: p ammann , s jajodia , i ray. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: fine-grained sharing in a page server oodbms. authors: m carey , m franklin , m zaharioudakis. venue: sigmod conference. year: 1994", "productB": "title: fine-grained sharing in page server database systems. authors: m carey , m franklin , m zaharioudakis. venue: proc . acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: vldb. year: 1999", "productB": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: e pacitti , p minet , e simon. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: partitioned garbage collection of large object store. authors: u maheshwari , b liskov. venue: sigmod conference. year: 1997", "productB": "title: partitioned garbage collection or a large object store. authors: u maheshwari , b liskov. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: chronological scheduling of transactions with temporal dependencies. authors: d georgakopoulos , m rusinkiewicz , w litwin. venue: vldb j.. year: 1994", "productB": "title: chronological scheduling of transactions with temporal dependencies. authors: d georgakopoulos , m rusinkiewicz , w litwin. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: semantic integration of semistructured and structured data sources. authors: s bergamaschi , s castano , m vincini. venue: sigmod record. year: 1999", "productB": "title: semantic integration of semistructured and structured data sources .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: the montage extensible datablade achitecture. authors: m ubell. venue: sigmod conference. year: 1994", "productB": "title: the montage extensible datablade architecture. authors: m ubell. venue: proc . sigmod intl. conf . on management of data ,. year: 1994.0", "same": true}
+{"productA": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: vldb. year: 1995", "productB": "title: bigsur : a system for the management of earth science data. authors: m stonebraker , p brown. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: in reply to domains , relations and religious wars. authors: h darwen. venue: sigmod record. year: 1996", "productB": "title: in reply to domains , relations and religious wars. authors: h darwen. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: an approximate search engine for structural databases. authors: j wang , x wang , d shasha , b shapiro , k zhang , x zheng , q ma , z weinberg. venue: sigmod conference. year: 2000", "productB": "title: an approximate search engine for structural databases. authors: t jason , l wang , x wang , d shasha , ba shapiro , k. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: on the semantics of `` now '' in databases. authors: j clifford , c dyreson , t isakowitz , c jensen , r snodgrass. venue: acm trans . database syst .. year: 1997", "productB": "title: on the semantics of \\ \\ now. authors: j cliord , c dyreson , t isakowitz , cs jensen , rt. venue: databases . acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: information warfare and security - book review. authors: nan. venue: nan. year: 2001", "productB": "title: information warfare and security. authors: hv jagadish. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: a sistla , c yu , c liu , k liu. venue: vldb. year: 1995", "productB": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: a prasad sistla , c yu , c liu , k liu. venue: proc . 1995vldb conference , zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record. year: 2002", "productB": "title: the cougar approach to innetwork query processing in sensor networks. authors: a wand , a chandrakasan. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: clustering by pattern similarity in large data sets. authors: h wang , w wang , j yang , p yu. venue: sigmod conference. year: 2002", "productB": "title: clustering by pattern similarity in large data sets. authors: h wang , w wang , j yang , ps yu. venue: nan. year: nan", "same": true}
+{"productA": "title: geominer : a system prototype for spatial data mining. authors: j han , k koperski , n stefanovic. venue: sigmod conference. year: 1997", "productB": "title: geominer : a system prototype for spatial data mining. authors: j han , k koperski , n stefanovic. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: an annotated bibliography on active databases. authors: u jaeger , j freytag. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on active databases ( short version ). authors: u jaeger , jc freytag. venue: sigmod-record ,. year: 1995.0", "same": true}
+{"productA": "title: partition selection policies in object database garbage collection. authors: j cook , a wolf , b zorn. venue: sigmod conference. year: 1994", "productB": "title: partition selection policies in object database garbage collection. authors: je cook , al wolf , bg zorn. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient and extensible algorithms for multi query optimization . acm sigmod intl. authors: p roy , s seshadri , s sundarshan , s bhobe. venue: conference on management of data. year: nan", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: realm-based spatial data types : the rose algebra. authors: rh g\u00e3 1/4 ting , m schneider. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: what can hierarchies do for data warehouses ?. authors: h jagadish , l lakshmanan , d srivastava. venue: vldb. year: 1999", "productB": "title: vs , and srivastava , d. what can hierarchies do for data warehouses. authors: hv jagadish , l lakshmanan. venue: proc . of vldb ,. year: nan", "same": true}
+{"productA": "title: evaluating queries with generalized path expressions. authors: v christophides , s cluet , g moerkotte. venue: sigmod conference. year: 1996", "productB": "title: evaluating queries with general path expressions. authors: v christophides , s cluet , g moerkotte. venue: nan. year: nan", "same": true}
+{"productA": "title: supporting top-k join queries in relational databases. authors: i ilyas , w aref , a elmagarmid. venue: vldb. year: 2003", "productB": "title: supporting top-k join queries in relational databases. authors: if ilyas , wg aref , ak elmagarmid. venue: the vldb journal ,. year: 2004.0", "same": true}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database engine. authors: kst swift , ds warren. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries across diverse data sources , 23 rdintl. authors: l haas , d kossmann , el wimmers , j yang. venue: conf . on very large databases ( vldb &#39; 97 ) ,. year: nan", "same": true}
+{"productA": "title: on spatially partitioned temporal join. authors: h lu , b ooi , k tan. venue: vldb. year: 1994", "productB": "title: on spatially partitioned temporal join. authors: h lu , bc ooi , kl tan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: very large databases : how large , how different ?. authors: d vaskevitch. venue: vldb. year: 1995", "productB": "title: very large databases : how large , how different ?. authors: d vaskevitch. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: olympic records for data at the 1998 nagano games. authors: e lassettre. venue: sigmod conference. year: 1998", "productB": "title: olympic records for data at the 1998 nagano games. authors: er lassettre. venue: nan. year: nan", "same": true}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the tv-tree { an index structure for high-dimensional data . the vldb journal , 3 ( 4 ) : 517 { 549. authors: ki lin , hv jagadish , c faloutsos. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: on xml and databases : where 's the beef ? ( panel abstract ). authors: m carey. venue: sigmod conference. year: 2000", "productB": "title: of xml and databases : where\u00e2 ?? s the beef. authors: p discussion , mj carey. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: database research at arizona state university. authors: s urban , s dietrich , f golshani. venue: sigmod record. year: 1996", "productB": "title: database research at arizona state university. authors: sd urban , sw dietrich , f golshani. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: state of the art in workflow management research and products. authors: nan. venue: nan. year: 1996", "productB": "title: tutorial : state of the art in workflow management system products and research ''. authors: c mohan. venue: & hellip ; study institute on workflow systems and interoperability ,. year: nan", "same": true}
+{"productA": "title: data partitioning and load balancing in parallel disk systems. authors: p scheuermann , g weikum , p zabback. venue: vldb j.. year: 1998", "productB": "title: data partitioning and load balancing in parallel disk systems. authors: p scheuermann , g weikum , p zabback. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: flowback : providing backward recovery for workflow systems. authors: b kiepuszewski , r m\u045chlberger , m orlowska. venue: sigmod conference. year: 1998", "productB": "title: flowback : providing backward recovery for workflow management. authors: b kiepuszewski , r muhlberger , me orlowska. venue: proc . of the acm sigmod int . conference on management of. year: nan", "same": true}
+{"productA": "title: incremental data structures and algorithms for dynamic query interfaces. authors: e tanin , r beigel , b shneiderman. venue: sigmod record. year: 1996", "productB": "title: incremental data structures and algorithms for dynamic query interfaces. authors: r beigel. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: metadata in video databases. authors: r jain , a hampapur. venue: sigmod record. year: 1994", "productB": "title: metadata in video databases. authors: r jain , a hampapur. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: evaluating probabilistic queries over imprecise data. authors: r cheng , d kalashnikov , s prabhakar. venue: sigmod conference. year: 2003", "productB": "title: evaluating probabilistic queries over imprecise data. authors: d kalashnikov , r cheng , s prabhakar. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: using extended feature objects for partial similarity retrieval. authors: s berchtold , d keim , h kriegel. venue: vldb j.. year: 1997", "productB": "title: using extended feature objects for partial similarity retrieval. authors: s berchtold , da keim , hp kriegel. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , t ling. venue: acm trans . database syst .. year: 2002", "productB": "title: a logical foundation for deductive object-oriented databases. authors: m liu , g dobbie , tw ling. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: local dimensionality reduction : a new approach to indexing high dimensional spaces. authors: k chakrabarti , s mehrotra. venue: vldb. year: 2000", "productB": "title: local dimensionality reduction : a new approach to indexing high dimensional databases. authors: k chakrabarti , s mehrotra. venue: proc . 26th int . conf . very large. year: nan", "same": true}
+{"productA": "title: engineering federated information systems : report of efis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , r kutsche , m roantree , g saake , f saltor. venue: sigmod record. year: 1999", "productB": "title: engineering federated information systems : report of eefis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , rd kutsche ,. venue: acm sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: addressing techniques used in database object managers o2 and orion. authors: a gamache , n sahraoui. venue: sigmod record. year: 1995", "productB": "title: addressing techniques used in database object managers o 2 and orion. authors: a gamache , n sahraoui. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: vldb. year: 2003", "productB": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: socqet : semantic olap with compressed cube and summarization. authors: l lakshmanan , j pei , y zhao. venue: sigmod conference. year: 2003", "productB": "title: socqet : semantic olap with compressed cube and summarization. authors: lvs lakshmanan , j pei , y zhao. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: l golab , m \u0436zsu. venue: vldb. year: 2003", "productB": "title: mt 2003 . processing sliding window multi-joins in continuous queries over data streams. authors: lo golab. venue: proc . of the conf . on very large databases. year: nan", "same": true}
+{"productA": "title: update propagation strategies for improving the quality of data on the web. authors: a labrinidis , n roussopoulos. venue: vldb. year: 2001", "productB": "title: update propagation strategies for improving the quality of data on the web. authors: aln roussopoulos. venue: submitted for publication ,. year: 2001.0", "same": true}
+{"productA": "title: multiscale histograms : summarizing topological relations in large spatial datasets. authors: x lin , q liu , y yuan , x zhou. venue: vldb. year: 2003", "productB": "title: multiscale histograms : summarizing topological relations in large spatial datasets. authors: x lin , q liu , y yuan , x zhou. venue: nan. year: nan", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining generalized association rules . 1995 . 13p. authors: r agrawal , r srikant. venue: proceedings of 21st vldb conference zurich ,. year: nan", "same": true}
+{"productA": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: a b\u045cchner , m mulvenna. venue: sigmod record. year: 1998", "productB": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: a buncher , m mulvenna. venue: a. dogac ,. year: nan", "same": true}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: proximity search in databases . extended version. authors: r goldman , n shivakumar , s venkatasubramanian , h. venue: technical report , stanford university . available at http : wwwdb .. year: nan", "same": true}
+{"productA": "title: secure bufering in firm real-time database systems. authors: b george , j haritsa. venue: vldb j.. year: 2000", "productB": "title: secure buffering in firm real-time database systems. authors: b george , jr haritsa. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: implementing the spirit of sql-99. authors: p brown. venue: sigmod conference. year: 1999", "productB": "title: implementing the spirit of sql-99. authors: p brown. venue: nan. year: nan", "same": true}
+{"productA": "title: engineering federated information systems : report of efis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , r kutsche , m roantree , g saake , f saltor. venue: sigmod record. year: 1999", "productB": "title: engineering federated information systems : report of efis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , rd kutsche ,. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: data mining using two-dimensional optimized accociation rules : scheme , algorithms , and visualization. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: sigmod conference. year: 1996", "productB": "title: data mining using two-dimensional optimized association rules : scheme , algorithms , and visualization. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: dbglobe : a service-oriented p2p system for global computing. authors: e pitoura , s abiteboul , d pfoser , g samaras , m vazirgiannis. venue: sigmod record. year: 2003", "productB": "title: dbglobe : a service-oriented p2p system for global computing , sept. 2003. authors: e pitoura , s abiteboul , dd pfoser , g samaras , m. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: cient indexing on air. authors: t imielinski , s viswanathan , br badrinath , e. venue: proceedings of the acm. year: nan", "same": true}
+{"productA": "title: monitoring streams - a new class of data management applications. authors: d carney , u \u0447etintemel , m cherniack , c convey , s lee , g seidman , m stonebraker , n tatbul , s zdonik. venue: vldb. year: 2002", "productB": "title: zdonik . monitoring streams\u00e2 ?? a new class of data management applications. authors: c carney , c cherniak , s lee , t stonebraker. venue: & hellip ; of very large databases ( vldb ) , hong kong , august ,. year: nan", "same": true}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: r. , et al. , 1994 , tsql2 language specification. authors: s dgrass. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: the challenge of process data warehousing. authors: m jarke , t list , j k\u0456ller. venue: vldb. year: 2000", "productB": "title: the challenge of process data warehousing. authors: m jarke , t list , j k\u00e3 \u00b6 ller. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: starts : stanford proposal for internet meta-searching. authors: hgmap luis , cckc gravano. venue: technical report , stanford university ,. year: nan", "same": true}
+{"productA": "title: a logical framework for scheduling workflows under resource allocation constraints. authors: p senkul , m kifer , i toroslu. venue: vldb. year: 2002", "productB": "title: a logical framework for scheduling workflows under resource allocation constraints. authors: p senkul , m kifer , ih toroslu. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: , dt solomon , mh tan , ck tsatalos , og white , sj zwilling , mj : shoring up persistent applications. authors: mj carey , dj dewitt , mj franklin. venue: sigmod ( siehe sig94 ] ) , s.. year: nan", "same": true}
+{"productA": "title: sprint : a scalable parallel classifier for data mining. authors: j shafer , r agrawal , m mehta. venue: vldb. year: 1996", "productB": "title: a scalable parallel classier for data mining. authors: j shafer , r agrawal , m mehta. venue: proc . 22nd international conference on vldb , mumbai , india . (. year: nan", "same": true}
+{"productA": "title: image mining in iris : integrated retinal information system. authors: w hsu , m lee , k goh. venue: sigmod conference. year: 2000", "productB": "title: image mining in iris : integrated retinal information system. authors: w hsu , ml lee , kg goh. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: z xie , j han. venue: vldb. year: 1994", "productB": "title: join index hierarchy : an indexing structure for efficient navigation in object-oriented databases. authors: j han , z xie , y fu. venue: nan. year: nan", "same": true}
+{"productA": "title: incremental maintenance of views with duplicates. authors: t griffin , l libkin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of views with duplicates , '' in \\ \\ proceedings of acm-sigmod international. authors: t griffin , l libkin. venue: san jose , ca , may ,. year: nan", "same": true}
+{"productA": "title: reordering query execution in tertiary memory databases. authors: s sarawagi , m stonebraker. venue: vldb. year: 1996", "productB": "title: reordering query execution in tertiary memory databases. authors: s sarawagi , m stonebraker. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: nan. year: nan", "same": true}
+{"productA": "title: content-based image indexing. authors: t chiueh. venue: vldb. year: 1994", "productB": "title: content-based image indexing. authors: t cker chiuen. venue: procs . of the 20th vldb conference ,. year: nan", "same": true}
+{"productA": "title: speeding up construction of pmr quadtree-based spatial indexes. authors: g hjaltason , h samet. venue: vldb j.. year: 2002", "productB": "title: speeding up construction of pmr quadtree-based spatial indexes. authors: gr hjaltason , h samet. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: microsoft site server ( commerce edition ). authors: b ojjeh. venue: sigmod conference. year: 1999", "productB": "title: microsoft site server ( commerce edition ). authors: b ojjeh. venue: nan. year: nan", "same": true}
+{"productA": "title: the trigs active object-oriented database system - an overview. authors: g kappel , w retschitzegger. venue: sigmod record. year: 1998", "productB": "title: \u00e2 ?? the trigs active object-oriented database system\u00e2 ?? an overview , & rdquo. authors: g kappel , w retschitzegger. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: contrast plots and p-sphere trees : space vs. time in nearest neighbour searches. authors: j goldstein , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: contrast plots and p-sphere trees : space vs. authors: j goldstein , r ramakrishnan. venue: time in nearest neighbour searches . vldb ,. year: nan", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: andez . schema mapping as query discovery. authors: r miller , l haas , m hern. venue: proc . of vldb ,. year: nan", "same": true}
+{"productA": "title: record-boundary discovery in web documents. authors: d embley , y jiang , y ng. venue: sigmod conference. year: 1999", "productB": "title: y , jiang and yk ng.\u00e2 ?? record-boundary discovery in web documents , \u00e2 ??. authors: d embley. venue: proc . acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: maintenance of automatic summary tables. authors: w lehner , r sidle , h pirahesh , r cochrane. venue: sigmod conference. year: 2000", "productB": "title: maintenance of automatic summary tables. authors: w lehner , r sidle , h pirahesh , r cochrane. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: metu interoperable database system. authors: al dogac aet. venue: proceedings of the 1996 acm sigmod int . conf . on management. year: nan", "same": true}
+{"productA": "title: graphdb : modeling and querying graphs in databases. authors: r g\u045cting. venue: vldb. year: 1994", "productB": "title: graphdb : modeling and querying graphs in databases. authors: rh gueting. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: automated selection of materialized views and indexes for sql databases. authors: sascv narasayya. venue: nan. year: nan", "same": true}
+{"productA": "title: tutorial : application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: advanced technology seminar : application servers and associated technologies. authors: c mohan. venue: 19 thieee international conference on data engineering ( icde & hellip ; ,. year: nan", "same": true}
+{"productA": "title: path queries on compressed xml. authors: p buneman , m grohe , c koch. venue: vldb. year: 2003", "productB": "title: path queries on compressed xml. authors: pbmgc koch. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: amalgamating knowledge bases. authors: v subrahmanian. venue: acm trans . database syst .. year: 1994", "productB": "title: amalgamating knowledge bases , ii : distributed mediators. authors: s adali , vs subrahmanian. venue: nan. year: nan", "same": true}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries across diverse data sources. authors: kd haaslm , yj wimmersel. venue: proc . ofvery large data bases conference ,. year: nan", "same": true}
+{"productA": "title: adaptive multi-stage distance join processing. authors: h shin , b moon , s lee. venue: sigmod conference. year: 2000", "productB": "title: adaptive multi-stage distance join processing. authors: h shin , b moon , s lee. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: a sistla , c yu , c liu , k liu. venue: vldb. year: 1995", "productB": "title: retrieval of pictures using a similarity based approach employing indices on spatial relationships. authors: ap sistla , c yu. venue: nan. year: nan", "same": true}
+{"productA": "title: rainbow : distributed database system for classroom education and experimental research. authors: a helal , h li. venue: vldb. year: 2000", "productB": "title: rainbow : distributed database system for classroom education and experimental research. authors: a helal , h li. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: are we working on the right problems ? ( panel ). authors: m stonebraker. venue: sigmod conference. year: 1998", "productB": "title: are we working on the right problems ?. authors: m stonebraker. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: griddb : a database interface to the grid. authors: d liu , m franklin , d parekh. venue: sigmod conference. year: 2003", "productB": "title: griddb : a relational interface for the grid. authors: dt liu , mj franklin , d parekh. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r krishnamurthy , a rao , f tian , s viglas , y wang , j naughton , d dewitt. venue: vldb. year: 2003", "productB": "title: mixed mode xml query processing. authors: a halverson , j burger , l galanis , a kini , r. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: modelling and querying video data. authors: r hjelsvold , r midtstraum. venue: vldb. year: 1994", "productB": "title: modeling and querying video data. authors: r hielsvold , r midtstraum. venue: proceedings of the 20 thinternational conference on vldb ,. year: nan", "same": true}
+{"productA": "title: a brief survey of web data extraction tools. authors: a laender , b ribeiro-neto , a silva , j teixeira. venue: sigmod record. year: 2002", "productB": "title: a brief survey of web data extraction tools. authors: h alberto , a berthier. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: r. and shim , k. 1998 . cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi. venue: proc . acm sigmod int . conf . management of data. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining quantitative association rules in large relational tables , the 1996 acm sigmod internat. authors: r srikant , r agrawal. venue: conf . on management of data , monreal , canada , june ,. year: nan", "same": true}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: andb . seeger . multistep processing of spatial joins. authors: t brinkhoff , hp kriegel , r schneider. venue: proc . of acm. year: nan", "same": true}
+{"productA": "title: state of the art in workflow management research and products. authors: nan. venue: nan. year: 1996", "productB": "title: workflow management systems : state of the art on research and products , tutorial notes. authors: c mohan. venue: int . conf . on extending database technology , avignon ,. year: nan", "same": true}
+{"productA": "title: the cubetree storage organization. authors: n roussopoulos , y kotidis. venue: vldb. year: 1998", "productB": "title: the cubetree storage organization. authors: n roussopoulos , y kotidis. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: a practical and modular implementation of extended transaction models. authors: r barga , c pu. venue: vldb. year: 1995", "productB": "title: c. pu . a practical and modular implementation of extended transaction models. authors: rsb bp951. venue: technical report ogi-cse95-004 , department of computer science. year: 51.0", "same": true}
+{"productA": "title: optimal multi-step k-nearest neighbor search. authors: t seidl , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: optimal multi-step k-nearest neighbor search. authors: t seidl , hp kriegel. venue: nan. year: nan", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: mendelzon . database techniques for the world-wide web : a survey [ j ]. authors: f levy. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: building light-weight wrappers for legacy web data-sources using w4f. authors: a sahuguet , f azavant. venue: vldb. year: 1999", "productB": "title: building light-weight wrappers for legacy web data-sources using w4f. authors: a sahuguet , f azavant. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: z chen , h jagadish , l lakshmanan , s paparizos. venue: vldb. year: 2003", "productB": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: zchvjlvs lakshmanan , s paparizos. venue: proceedings of the 29th very large data base conference ,. year: nan", "same": true}
+{"productA": "title: efficient and tunable similar set retrieval. authors: a gionis , d gunopulos , n koudas. venue: sigmod conference. year: 2001", "productB": "title: efficient and tumble similar set retrieval. authors: a gionis , d gunopulos , n koudas. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: main-memory index structures with fixed-size partial keys. authors: p bohannon , p mcilroy , r rastogi. venue: sigmod conference. year: 2001", "productB": "title: main-memory index structures with fixed-size partial keys. authors: p bohannon , r rastogi. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb. year: 1995", "productB": "title: coloring away communication in parallel query optimization , 1995. authors: w hasan , r motwani. venue: submitted for. year: nan", "same": true}
+{"productA": "title: a workflow-based electronic marketplace on the web. authors: a dogac , i durusoy , s arpinar , n tatbul , p koksal , i cingil , n dimililer. venue: sigmod record. year: 1998", "productB": "title: a workflow-based electronic marketplace on the web. authors: a dogac , i durusoy , s arpinar , n tatbul , p koksal ,. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: a comprehensive xquery to sql translation using dynamic interval encoding. authors: d dehaan , d toman , m consens , m \u0436zsu. venue: sigmod conference. year: 2003", "productB": "title: mt zsu . a comprehensive xquery to sql translation using dynamic interval encoding. authors: d dehaan , d toman , mp consens. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: a single pass computing engine for interactive analysis of vldbs. authors: t mihalisin. venue: vldb. year: 1998", "productB": "title: a single pass computing engine for interactive analysis of vldbs. authors: t mihalisin. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: dynamat : a dynamic viewmanagement system fordata warehouses. authors: ykn roussopoulos. venue: proc . of the acm sigmod. year: nan", "same": true}
+{"productA": "title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: f korn , h jagadish , c faloutsos. venue: sigmod conference. year: 1997", "productB": "title: efficiently suporting ad hoc queries in large datasets of time. authors: f korn , hv jagadish , c faloutsos. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: updating xml. authors: i tatarinov , z ives , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: updating xml. authors: i tatarinov , zg ives , ay halevy , ds weld. venue: nan. year: nan", "same": true}
+{"productA": "title: zoo : a desktop emperiment management environment. authors: y ioannidis , m livny , a ailamaki , a narayanan , a therber. venue: sigmod conference. year: 1997", "productB": "title: n. ponnek anti . zoo : a desktop experiment management environment. authors: y ioannidis , m livny , s gupta. venue: 22nd international vldb conference ,. year: nan", "same": true}
+{"productA": "title: wavecluster : a wavelet based clustering approach for spatial data in very large databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb j.. year: 2000", "productB": "title: wavecluster : a wavelet based clustering approach for spatial data. authors: g sheikholeslami\u00e2 ? \u00a6. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: devise : integrated querying and visualization of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise : integrated querying and visual exploration of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: applying database visualization to the world wide web. authors: m hasan , a mendelzon , d vista. venue: sigmod record. year: 1996", "productB": "title: applying database visualization to the world wide web. authors: mz hasan , ao mendelzon , d vista. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: lh * -- a scalable , distributed data structure. authors: w litwin , ma neimat , da schneider. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: orientstore : a schema based native xml storage system. authors: x meng , d luo , m lee , j an. venue: vldb. year: 2003", "productB": "title: a schema based native xml storage system . ( demo ). authors: xf meng , df luo , ml lee , jos an. venue: proc . of the 29th int\u00e2 ?? l conf . on very large data bases ( & hellip ; ,. year: nan", "same": true}
+{"productA": "title: delaunay : a database visualization system. authors: i cruz , m averbuch , w lucas , m radzyminski , k zhang. venue: sigmod conference. year: 1997", "productB": "title: delaunay : a database visualization system. authors: wt lucas , if cruz , m radzyminski , m averbuch , k. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: cache fusion : extending shared-disk clusters with shared caches. authors: t lahiri , v srihari , w chan , n macnaughton , s chandrasekaran. venue: vldb. year: 2001", "productB": "title: cache fusion : extending shared-disk clusters with shared caches. authors: t lahiri , v srihari , w chan , n macnaughton , s. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: self-similarity in the web. authors: s dill , r kumar , k mccurley , s rajagopalan , d sivakumar , a tomkins. venue: vldb. year: 2001", "productB": "title: self-similarity in the web . 2 : 205\u00e2 ?? 223. authors: s dill , r kumar , ks mccurley , s rajagopalan , d. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: parallel database systems in the 1990 's. authors: m carey. venue: sigmod conference. year: 1994", "productB": "title: parallel database systems in the 1990 's. authors: mj carey. venue: acm computing surveys. year: nan", "same": true}
+{"productA": "title: disseminating updates on broadcast disks. authors: s acharya , m franklin , s zdonik. venue: vldb. year: 1996", "productB": "title: s. zdonik disseminating updates on broadcast disks. authors: s acharya , m franklin. venue: 22nd vldb conference. year: nan", "same": true}
+{"productA": "title: distributed processing over stand-alone systems and applications. authors: g alonso , c hagen , h schek , m tresch. venue: vldb. year: 1997", "productB": "title: distributed processing over stand-alone systems and applications. authors: g alonso , c hagen , hj schek , m tresch. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: towards data mining benchmarking : a testbed for performance study of frequent pattern mining. authors: j pei , r mao , k hu , h zhu. venue: sigmod conference. year: 2000", "productB": "title: towards data mining benchmarking : a test bed for performance study of frequent pattern mining. authors: j pei , r mao , k hu , h zhu. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c galindo-legaria , a rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: outerjoin simplification and reordering for query optimization. authors: a rosenthal. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: vldb. year: 2000", "productB": "title: efficient filtering of xml documents for selective dissemination of information. authors: m alt\u00e4 \u00b1 nel , mj franklin. venue: nan. year: nan", "same": true}
+{"productA": "title: high-dimensional index structures , database support for next decade 's applications ( tutorial ). authors: s berchtold , d keim. venue: sigmod conference. year: 1998", "productB": "title: high-dimensional index structures database support for next decade 's applications ( tutorial ). authors: s berchtold , da keim. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , c silverstein. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: discovering all most specific sentences. authors: d gunopulos , r khardon , h mannila , s saluja , h toivonen , r sharm. venue: acm trans . database syst .. year: 2003", "productB": "title: mannila , and s. saluja . discovering all most specific sentences by randomized algorithms. authors: d gunopulos. venue: proc . of the international conference on database theory , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: domino : databases for moving objects tracking. authors: o wolfson , a sistla , b xu , j zhou , s chamberlain. venue: sigmod conference. year: 1999", "productB": "title: domino : databases for moving objects tracking . sigmod 1999. authors: o wolfson , ap sistla , b xu , j zhou , s chamberlain. venue: proceedings acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a multimedia presentation algebra. authors: s adali , m sapino , v subrahmanian. venue: sigmod conference. year: 1999", "productB": "title: a multimedia presentation algebra. authors: s adah , ml sapino , vs subrahmanian. venue: acm sigmod , philadelphia ,. year: 1999.0", "same": true}
+{"productA": "title: distributed hypertext resource discovery through examples. authors: s chakrabarti , m berg , b dom. venue: vldb. year: 1999", "productB": "title: dom.\u00e2 ?? distributed hypertext resource discovery through examples , \u00e2 ??. authors: b chakrabarti. venue: proceedings of the 25. year: nan", "same": true}
+{"productA": "title: technology and the future of commerce and finance ( abstract ). authors: d shaw. venue: vldb. year: 1998", "productB": "title: technology and the future of commerce and finance. authors: de shaw. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: t st\u0456hr , h m\u0444rtens , e rahm. venue: vldb. year: 2000", "productB": "title: multi-dimensional database allocation for parallel data warehouses. authors: t stoehr , h maertens , e rahm. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb. year: 2002", "productB": "title: watermarking relational databases. authors: r agrawal , j kiernan. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: s ceri , p fraternali , s paraboschi. venue: vldb. year: 1999", "productB": "title: data-driven , oneto-one web site generation for data-intensive applications. authors: p fraternali , s ceri , s paraboschi. venue: proc . 25th vldb. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: fast similarity search in the presence of noise , scaling , and translation in time-series. authors: r agrawal , ki lin , hs sawhney , k shim. venue: international conference on very large databases , vldb ,. year: nan", "same": true}
+{"productA": "title: sideway value algebra for object-relational databases. authors: g \u0436zsoyoglu , a al-hamdani , i alting\u0456vde , s \u0436zel , \u0436 ulusoy , z \u0436zsoyoglu. venue: vldb. year: 2002", "productB": "title: sideway value algebra for object-relational databases. authors: g \u00e3?zsoyo\u00e7 \u00a7 lu , a al-hamdani , is alting\u00e3 \u00b6 vde , sa. venue: proceedings of the 28th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb. year: 2001", "productB": "title: indexing and querying xml data for regular path expressions . 27th international conferences on very. authors: q li , b moon. venue: roma italy. year: nan", "same": true}
+{"productA": "title: database research : achievements and opportunities into the 21st century. authors: a silberschatz , m stonebraker , j ullman. venue: sigmod record. year: 1996", "productB": "title: database research : achievements and opportunities into the 1st century. authors: a silberschatz , m stonebraker , j ullman. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: answering queries with aggregation using views. authors: d sristava , s dar , hv jagadish , a levy. venue: proc . of intl. conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: w li , c clifton. venue: sigmod conference. year: 1995", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: ws li , c clifton. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference. year: 2001", "productB": "title: on supporting containment queries in relational database management systems. authors: c zhang , j naughton , d dewitt , q luo , g lohman. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: an efficient cost-driven index selection tool for microsoft sql server. authors: s chaudhuri , v narasayya. venue: vldb. year: 1997", "productB": "title: narasayya . an efficient , cost-driven index selection tool for microsoft sql server. authors: s chaudhuri andv. venue: nan. year: nan", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: a foundation for multi-dimensional databases . in : dayal u , gray pmd , nishio s eds. authors: m gyssens , lvs lakshmanan. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: gigascope : a stream database for network applications. authors: c cranor , t johnson , o spatscheck , v shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: a stream database for network applications. authors: c cranor , t johnson , o spataschek , vs gigascope. venue: proceedings of the 2003 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: analysis of navigation behaviour in web sites integrating multiple information systems. authors: b berendt , m spiliopoulou. venue: vldb j.. year: 2000", "productB": "title: analysis of navigation behavior in web sites integrating multiple information systems. authors: m spiliopoulou , b berendt. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: adaptive data broadcast in hybrid networks. authors: k stathatos , n roussopoulos , j baras. venue: vldb. year: 1997", "productB": "title: adaptive data broadcasting in hybrid networks. authors: k stathatos , n roussopoulos , j baras. venue: 23rd vws conf. , athens , greece , aug ,. year: nan", "same": true}
+{"productA": "title: a modified random perturbation method for database security. authors: p tendick , n matloff. venue: acm trans . database syst .. year: 1994", "productB": "title: a modified random perturbation for database security. authors: p tendick , n matloff. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: serf : odmg-based generic re-structuring facility. authors: e rundensteiner , k claypool , m li , l chen , x zhang , c natarajan , j jin , s lima , s weiner. venue: sigmod conference. year: 1999", "productB": "title: serf : odmg-based generic re-structuring facility. authors: ea rundensteiner , kt claypool , m li , l chen , x. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: raj gehrke , dgp raghavan. venue: nan. year: nan", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm trans . database syst .. year: 2002", "productB": "title: s. and pazzani mj : locally adaptive dimensionality reduction for indexing large time series. authors: e keogh , km chakrabarti. venue: proceedings of the 2001 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: an extensible compressor for xml data. authors: h liefke , d suciu. venue: sigmod record. year: 2000", "productB": "title: an extensible compressor for xml data .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: flowback : providing backward recovery for workflow systems. authors: b kiepuszewski , r m\u045chlberger , m orlowska. venue: sigmod conference. year: 1998", "productB": "title: flowback : providing backward recovery for workflow management systems. authors: b kiepuszewski , r muhlberger , me orlowska. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: efficient testing of high performance transaction processing systems. authors: d wildfogel , r yerneni. venue: vldb. year: 1997", "productB": "title: efficient testing of high performance transaction processing systems. authors: d wildfogel , r yerneni. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: distributed search over the hidden web : hierarchical database sampling and selection. authors: p ipeirotis , l gravano. venue: vldb. year: 2002", "productB": "title: distributed search over the hidden web : hierarchical database sampling and selection. authors: pg ipeirotis , l gravano. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: the history of histograms ( abridged ). authors: y ioannidis. venue: vldb. year: 2003", "productB": "title: the history of histograms ( abridged ). authors: ye ioannidis. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: the demarcation protocol : a technique for maintaining arithmetic constraints in distributed database. authors: d barbara , h garcia-molina. venue: lecture notes in computer. year: nan", "same": true}
+{"productA": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p seshadri. venue: vldb j.. year: 1994", "productB": "title: implementation of the coral deductive database system. authors: r ramakrishnan , d srivastava , s sudarshan , p. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: 1993.0", "same": true}
+{"productA": "title: efficient integration and aggregation of historical information. authors: m riedewald , d agrawal , a abbadi. venue: sigmod conference. year: 2002", "productB": "title: efficient integration and aggregation of historical information. authors: m riedewald , d agrawal. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: capability based mediation in tsimmis. authors: c li , r yerneni , v vassalos , h garcia-molina , y papakonstantinou , j ullman , m valiveti. venue: sigmod conference. year: 1998", "productB": "title: capability based mediation in tsimmis , 1998. authors: c li , r yerneni , v vassalos , h garcia-molina , y. venue: demonstration ,. year: nan", "same": true}
+{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: b adelberg. venue: sigmod conference. year: 1998", "productB": "title: nodose-a tool for semi-automatically extracted structured and semistructured data from text. authors: b adelberg. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: optimizing the secure evaluation of twig queries. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: vldb. year: 2002", "productB": "title: optimizing the secure evaluation of twig queries. authors: sr cho , s amer-yahia , lvs lakshmanan , d srivastava. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: e. cient and e. ective clustering methods for spatial data mining. authors: r ng , j han. venue: proc . 1994 vldb ,. year: nan", "same": true}
+{"productA": "title: business-to-business interactions : issues and enabling technologies. authors: b medjahed , b benatallah , a bouguettaya , a ngu , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: b. , bouguettaya , a. , ngu , a. hh , and elmagramid , ak , \u00e2 ?? business-to-business interactions : issues and. authors: bb medjahed. venue: vldb. year: nan", "same": true}
+{"productA": "title: similarity-based queries for time series data. authors: d rafiei , a mendelzon. venue: sigmod conference. year: 1997", "productB": "title: similarity-based queries for time series data. authors: pl altick , d rafiei , a mendelzon. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data managementfor asymmetriccommunications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: research and practice in federated information systems , report of the efis ' 2000 international workshop. authors: nan. venue: nan. year: 2000", "productB": "title: research and practice in federated information systems. authors: w hasselbring , wj van den heuvel , gj houben , rd. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: andc . faloutsos 1994 . hilbert r-tree : an improvedr-tree using fractals. authors: i kamel. venue: proc . 20th int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: a framework for supporting data integration using the materialized and virtual approaches. authors: r hull , g zhou. venue: sigmod conference. year: 1996", "productB": "title: a framework for supporting data integration using the materialized and virtual approaches. authors: r hull , g zhou. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: chorochronos : a research network for spatiotemporal database systems. authors: a frank , s grumbach , r g\u045cting , c jensen , m koubarakis , n lorentzos , y manolopoulos , e nardelli , b pernici , h schek , m scholl , t sellis , b theodoulidis , p widmayer. venue: sigmod record. year: 1999", "productB": "title: chorochronos : a research network for spatiotemporal database systems. authors: c participants. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb. year: 2000", "productB": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: logical and physical versioning in main memory databases. authors: r rastogi , s seshadri , p bohannon , d leinbaugh , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: logical and physical versioning in main memory databases. authors: p bohannon , d leinbaugh , r rastogi , s seshadri , a. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: cq : a personalized update monitoring toolkit. authors: l liu , c pu , w tang , d buttler , j biggs , t zhou , p benninghoff , w han , f yu. venue: sigmod conference. year: 1998", "productB": "title: a personalized update monitoring. authors: l liu , c pu , w tang , d buttler , j biggs , p. venue: proceedings of the acm sigmod ,. year: nan", "same": true}
+{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande , j naughton , k ramasamy. venue: vldb. year: 1996", "productB": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: a shukla , p deshpande. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: space-efficient online computation of quantile summaries. authors: m greenwald , s khanna. venue: sigmod conference. year: 2001", "productB": "title: space-efficientonline computation of quantile summaries. authors: mgs khanna. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: a data model and data structures for moving objects. authors: l forlizzi , rh guting , e nardelli , m scheider. venue: proc . of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: image mining in iris : integrated retinal information system. authors: w hsu , m lee , k goh. venue: sigmod conference. year: 2000", "productB": "title: image mining in iris : integrated retinal information system ( demo ). authors: w hsu , ml lee , kg goh. venue: proceedings of acm sigmod international conference on the & hellip ; ,. year: nan", "same": true}
+{"productA": "title: zoo : a desktop emperiment management environment. authors: y ioannidis , m livny , a ailamaki , a narayanan , a therber. venue: sigmod conference. year: 1997", "productB": "title: zoo : a desktop experiment management environment . int. authors: y ioannidis , m livny , s gupta , n ponnekanti. venue: conference on very large databases ,. year: nan", "same": true}
+{"productA": "title: graphdb : modeling and querying graphs in databases. authors: r g\u045cting. venue: vldb. year: 1994", "productB": "title: graphdb : a data model and query language for graphs in databases. authors: rh g\u00e3 1/4 ting. venue: nan. year: nan", "same": true}
+{"productA": "title: tpc-ds , taking decision support benchmarking to the next level. authors: m p\u0456ss , b smith , l koll\u0441r , p larson. venue: sigmod conference. year: 2002", "productB": "title: tpc-ds , taking decision support benchmarking to the next level. authors: m poess , b smith , l kollar , p larson. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: filenet integrated document management database usage and issues. authors: d whelan. venue: sigmod conference. year: 1998", "productB": "title: filenet integrated document management database usage and issues. authors: ds whelan. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: multigranularity locking in multiple job classes transaction processing system. authors: s ng , s hung. venue: sigmod record. year: 1995", "productB": "title: multigranularity locking in multiple job classes transaction processing system. authors: s ng , s hung. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: lambda-db : an odmg-based object-oriented dbms. authors: l fegaras , c srinivasan , a rajendran , d maier. venue: sigmod conference. year: 2000", "productB": "title: lambda-db : an odmg-based object-oriented dbms. authors: l fegaras , c srinivasan , a rajendran , d maier. venue: nan. year: nan", "same": true}
+{"productA": "title: scientific databases - state of the art and future directions. authors: m zemankova , y ioannidis. venue: vldb. year: 1994", "productB": "title: scientific databases-state of the art and future directions. authors: m zemankova , ye ioannidis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference. year: 1999", "productB": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: improving index performance through prefetching. authors: s chen , p gibbons , t mowry. venue: sigmod conference. year: 2001", "productB": "title: improving index performance through prefetching. authors: s chen , pb gibbons , tc mowry. venue: nan. year: nan", "same": true}
+{"productA": "title: the gmap : a versatile tool for physical data independence. authors: o tsatalos , m solomon , y ioannidis. venue: vldb j.. year: 1996", "productB": "title: the gmap : a versatile tool for physical data independence. authors: g odysseas , mh solomon , ye ioannidist. venue: nan. year: nan", "same": true}
+{"productA": "title: retrieval of composite multimedia objects. authors: s chaudhuri , s ghandeharizadeh , c shahabi. venue: vldb. year: 1995", "productB": "title: retrieval of composite multimedia objects. authors: s chaudhuri , s ghandeharizadeh , c shahabi. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: capturing global transactions from multiple recovery log files in a partitioned database system. authors: c liu , b lindsay , s bourbonnais , e hamel , t truong , j stankiewitz. venue: vldb. year: 2003", "productB": "title: capturing global transactions from multiple recovery log files in a partitioned database system. authors: c liu , bg lindsay. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: self-tuning database technology and information services : from wishful thinking to viable engineering. authors: g weikum , a m\u0456nkeberg , c hasse , p zabback. venue: vldb. year: 2002", "productB": "title: self-tuning e-services : from wishful thinking to viable engineering-position paper -. authors: g weikum. venue: nan. year: nan", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in data cubes. authors: ct ho , r agrawal , r srihant. venue: proc . int\u00e2 ?? l conf . management of data ( sigmod ) ,. year: nan", "same": true}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac answering queries with aggregation using views\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents. authors: d srivastava , s dar , hv jagadish , ay levy. venue: proc . of. year: nan", "same": true}
+{"productA": "title: merging ranks from heterogeneous internet sources. authors: l gravano , h garcia-molina. venue: vldb. year: 1997", "productB": "title: merging ranks from heterogeneous internet sources. authors: l gravano , h garcia-molina. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: sigmod conference. year: 1997", "productB": "title: on-line warehouse view maintenance for batch updates. authors: d quass , j widom. venue: the acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: powerbookmarks : a system for personalizable web information organization , sharing , and management. authors: w li , q vu , e chang , d agrawal , k hirata , s mukherjea , y wu , c bufi , k chang , y hara , r ito , y kimura , k shimazu , y saito. venue: sigmod conference. year: 1999", "productB": "title: ) . powerbookmarks : a system for personalizable web information organization , sharing , and management. authors: ws li , q vu , dh agrawal. venue: & hellip ; international world wide web conference , toronto ,. year: nan", "same": true}
+{"productA": "title: agora : living with xml and relational. authors: i manolescu , d florescu , d kossmann , f xhumari , d olteanu. venue: vldb. year: 2000", "productB": "title: agora : living with xml and relational. authors: d florescu. venue: nan. year: nan", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: suciud ( 1999 ) storingsemistructured data with stored. authors: fm deutscha. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: n kabra , d dewitt. venue: sigmod conference. year: 1998", "productB": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: n kabra , dj dewitt. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: research and practice in federated information systems , report of the efis ' 2000 international workshop. authors: nan. venue: nan. year: 2000", "productB": "title: research and practice in federated information systems. authors: mr ii , gj houben , rd kutsche , k subieta , b rieger. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: spreadsheets in rdbms for olap. authors: a witkowski , s bellamkonda , t bozkaya , g dorman , n folkert , a gupta , l sheng , s subramanian. venue: sigmod conference. year: 2003", "productB": "title: spreadsheets in rdbms for olap. authors: a witkowski , s bellamkonda , t bozkaya , g dorman , n. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: overview of the special section on temporal database infrastructure. authors: r snodgrass. venue: sigmod record. year: 1994", "productB": "title: overwiew of the special session on temporal database infrastructure. authors: rt snodgrass. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: a flexible and recoverable client/server database event notification system. authors: e hanson , i chen , r dastur , k engel , v ramaswamy , w tan , c xu. venue: vldb j.. year: 1998", "productB": "title: a flexible and recoverable client/server database event notification system. authors: en hanson , ic chen , r dastur , k engel , v ramaswamy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: capability based mediation in tsimmis. authors: c li , r yerneni , v vassalos , h garcia-molina , y papakonstantinou , j ullman , m valiveti. venue: sigmod conference. year: 1998", "productB": "title: etal . capability-based mediation in tsimmis. authors: c li , r yerneni. venue: proc . sigmod conference ,. year: nan", "same": true}
+{"productA": "title: information integration : the momis project demonstration. authors: d beneventano , s bergamaschi , s castano , a corni , r guidetti , g malvezzi , m melchiori , m vincini. venue: vldb. year: 2000", "productB": "title: information integration : the momis project demonstration. authors: s bergamaschi , s castano , a corni , r guidetti , g. venue: 26th vldb : int . conf . on very large. year: nan", "same": true}
+{"productA": "title: data bubbles : quality preserving performance boosting for hierarchical clustering. authors: m breunig , h kriegel , p kr\u0456ger , j sander. venue: sigmod conference. year: 2001", "productB": "title: data bubbles : quality preserving performance boosting for hierarchical clustering. authors: mm breunig , hp kriegel , j sander. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: from nested-loop to join queries in oodb. authors: h steenhagen , p apers , h blanken , r by. venue: vldb. year: 1994", "productB": "title: rolf a. de . by . from nested-loop to join queries in oodb. authors: hj steenhage , pmg apers , hm blanken. venue: proceeding of the 20 thvldb conference ,. year: nan", "same": true}
+{"productA": "title: r-tree based indexing of now-relative bitemporal data. authors: r bliujute , c jensen , s saltenis , g slivinskas. venue: vldb. year: 1998", "productB": "title: r-tree based indexing of now-relative bitemporal data. authors: r bliujute , cs jensen , s saltenis , g slivinskas. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: data management for earth system science. authors: j frew , j dozier. venue: sigmod record. year: 1997", "productB": "title: data management for earth science systems. authors: j frew. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: design and development of a stream service in a heterogenous client environment. authors: n pappas , s christodoulakis. venue: vldb. year: 2000", "productB": "title: design and development of a stream service in a heterogeneous client environment ( research ). authors: n pappas , s christodoulakis. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: a foundation for multidimensional databases , vldb\u00e2 ?? 97. authors: m gyssens , lvs lakshmanan. venue: proceedings of 23rd international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: a data model and data structures for moving objects databases. authors: l florizzi , rh gutting , e nardelli , m schneider. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: self-tuning histograms : building histograms without looking at data. authors: a aboulnaga , s chaudhuri. venue: sigmod conference. year: 1999", "productB": "title: self-tuning histograms : building histograms without looking at data. authors: a aboulnaga , s chaudhuri. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: a case for fractured mirrors. authors: r ramamurthy , d dewitt , q su. venue: vldb. year: 2002", "productB": "title: a case for fractured mirrors. authors: rrdj dewitt , q su. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: vldb. year: 2000", "productB": "title: xfilter : efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: proceedings of the 26th vldb conference , egypt. year: nan", "same": true}
+{"productA": "title: answering complex sql queries using automatic summary tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh , m urata. venue: sigmod conference. year: 2000", "productB": "title: answering complex sql queries using summary tables. authors: m zaharioudakis , r cochrane , h pirahesh , g lapis ,. venue: nan. year: nan", "same": true}
+{"productA": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: vldb. year: 2003", "productB": "title: aquery : query language for ordered data , optimization techniques. authors: a lerner , d shasha. venue: and experiments . technical report , march 2003 . csdocs . cs . nyu .. year: nan", "same": true}
+{"productA": "title: towards a richer web object model. authors: f manola. venue: sigmod record. year: 1998", "productB": "title: towards a richer web object model. authors: f manola. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: data grid management systems. authors: a rajasekar , a jagatheesan. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a scalable and highly available networked database architecture. authors: r bamford , r ahad , a pruscino. venue: vldb. year: 1999", "productB": "title: a scalable and highly available networked database architecture. authors: r bamford , r ahad , a pruscino. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: data management for asymmetric communication environments. authors: s acharya , r alonso , m franklin , s zdonik , b disks. venue: proc . acm sigmod conf. , san jose , ca , may ,. year: nan", "same": true}
+{"productA": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: l lakshmanan , r ng , j han , a pang. venue: sigmod conference. year: 1999", "productB": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: lvs laksmanan , rt ng , j han , a pang. venue: proc . acm sigmod ( philadelphia , pennsylvania ,. year: nan", "same": true}
+{"productA": "title: gea : a toolkit for gene expression analysis. authors: j phan , r ng. venue: sigmod conference. year: 2002", "productB": "title: gea : a toolkit for gene expression analysis. authors: jm phan , rt ng. venue: nan. year: nan", "same": true}
+{"productA": "title: trex : dtd-conforming xml to xml transformations. authors: a zhou , q wang , z guo , x gong , s zheng , h wu , j xiao , k yue , w fan. venue: sigmod conference. year: 2003", "productB": "title: trex : dtd-conforming xml to xml transformations. authors: a zhou , q wang , z guo , x gong , s zheng , h wu , j. venue: nan. year: nan", "same": true}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2002", "productB": "title: guest editorial. authors: ay halevy. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: synthesis of extended transaction models using acta. authors: p chrysanthis , k ramamritham. venue: acm trans . database syst .. year: 1994", "productB": "title: synthesis of extended transaction models using acta. authors: pk chrysanthis , k ramamritham. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: lifestreams : a storage model for personal data. authors: e freeman , d gelernter. venue: sigmod record. year: 1996", "productB": "title: lifestreams : a storage model for personal data , acm sigmod bulletin. authors: e freeman , d gelernter. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: a querying language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand. venue: proceedings of acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c nakhe , p parag , s sudarshan. venue: vldb. year: 2002", "productB": "title: banks : browsing and keyword searching in relational databases. authors: b aditya , g bhalotia , s chakrabarti , a hulgeri , c. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: maintenance of data cubes and summary tables in a warehouse. authors: i mumick , d quass , b mumick. venue: sigmod conference. year: 1997", "productB": "title: maintenance of data cubes and summary table in a warehouse. authors: is mumick , d quass. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: d barbar\u0441 , m sullivan. venue: sigmod record. year: 1997", "productB": "title: d. & sullivan , m. , \u00e2 ?? quasi-cubes : exploiting approximations in multidimensional databases\u00e2 ??. authors: d barbar. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: the merge/purge problem for large databases. authors: m hern\u0441ndez , s stolfo. venue: sigmod conference. year: 1995", "productB": "title: the merge/purge problem for large databases. authors: ma hernndez , sj stolfo. venue: proceedings of sigmod-95 ,. year: nan", "same": true}
+{"productA": "title: managing memory for real-time queries. authors: h pang , m carey , m livny. venue: sigmod conference. year: 1994", "productB": "title: managing memory for real-time queries. authors: hh pang , mj carey , m livny. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: rapid bushy join-order optimization with cartesian products. authors: b vance , d maier. venue: sigmod conference. year: 1996", "productB": "title: rapid bushy join-order optimization with cross products. authors: b vance , d maier. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: m altinel , m franklin. venue: vldb. year: 2000", "productB": "title: efficient filtering of xml documents forselective dissemination of information. authors: m altinel , m franklin. venue: proc . the 26th int\u00e2 ?? l conf . on very large data bases. year: nan", "same": true}
+{"productA": "title: describing semistructured data. authors: l cardelli. venue: sigmod record. year: 2001", "productB": "title: describing semistructured data. authors: l cardelli. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: engineering federated information systems : report of efis '99 workshop. authors: s conrad , w hasselbring , u hohenstein , r kutsche , m roantree , g saake , f saltor. venue: sigmod record. year: 1999", "productB": "title: engineering federated information systems report of efis '99 workshop. authors: g saake , fs ii , m roantree. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: koda - the architecture and interface of a data model independent kernel. authors: g arun , a joshi. venue: vldb. year: 1998", "productB": "title: koda - the architecture and interface of a data model independent kernel. authors: g arun , a joshi. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation of range predicates in proc . of the 1996 acm sigmod. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: conf . on management of data , may ,. year: nan", "same": true}
+{"productA": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy , i manolescu , d suciu. venue: sigmod conference. year: 1999", "productB": "title: query optimization in the presence of limited access patterns. authors: d florescu , a levy. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: mosaico - a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m missikoff , m toiati. venue: sigmod conference. year: 1994", "productB": "title: mosaico-a system for conceptual modeling and rapid prototyping of object-oriented database. authors: m missikoff , m toiati. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: asset : a system for supporting extended transactions. authors: a biliris , s dar , n gehani , h jagadish , k ramamritham. venue: sigmod conference. year: 1994", "productB": "title: asset : a system for supporting extended transactions. authors: a biliris , s dar , n gehani , hv jagadish , k. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: b blohsfeld , d korus , b seeger. venue: sigmod conference. year: 1999", "productB": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: b blohsfeld , d korus , b seeger. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: updating knowledge bases while maintaining their consistency. authors: e teniente , a oliv\u0449. venue: vldb j.. year: 1995", "productB": "title: updating knowledge bases while maintaining their consistency. authors: e teniente , a oliv\u00e3 \u00a9. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: first-class views : a key to user-centered computing. authors: a rosenthal , e sciore. venue: sigmod record. year: 1999", "productB": "title: first-class views : a key to user-centered computing. authors: a rosenthal , e sciore. venue: acm sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: peerdb : peering into personal databases. authors: b ooi , k tan , a zhou , c goh , y li , c liau , b ling , w ng , y shu , x wang , m zhang. venue: sigmod conference. year: 2003", "productB": "title: peerdb : peering into personal databases. authors: bc ooi. venue: proceedings of acm sigmod intl. conf . on management of. year: nan", "same": true}
+{"productA": "title: an efficient and resilient approach to filtering and disseminating streaming data. authors: s shah , s dharmarajan , k ramamritham. venue: vldb. year: 2003", "productB": "title: an efficient and resilient approach to filtering and disseminating streaming data. authors: sssdk ramamritham. venue: nan. year: nan", "same": true}
+{"productA": "title: similarity-based queries for time series data. authors: d rafiei , a mendelzon. venue: sigmod conference. year: 1997", "productB": "title: similarity-based queries fortimeseriesdata. authors: d rafiei , ao mendelzon. venue: & hellip ; . acmsigmodinternational conference on management of data ,. year: nan", "same": true}
+{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: sigmod conference. year: 2002", "productB": "title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: proceedings of the 2002 acm sigmod international conference & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: the microsoft repository. authors: p bernstein , b harry , p sanders , d shutt , j zander. venue: vldb. year: 1997", "productB": "title: the microsoft repository , invited keynote address. authors: pa bernstein , b harry , pj sanders , d shutt , j. venue: proceedings of the 23th intl. conf . on very large data bases & hellip ; ,. year: nan", "same": true}
+{"productA": "title: performance tradeoffs for client-server query processing. authors: m franklin , b j\u0453nsson , d kossmann. venue: sigmod conference. year: 1996", "productB": "title: performance tradeoffs for client-server query execution. authors: m franklin , b jonsson , d kossmann. venue: acm sigmod international conference on the management of. year: nan", "same": true}
+{"productA": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference. year: 1994", "productB": "title: data modeling of time-based media , in sigmod 94. authors: s gibbs , c breiteneder , d tsichritzis. venue: available via ftp from cui . unige .. year: nan", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: neil und p. o\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents neil : a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , jme o\u00e3 cents. venue: proceedings of the 1995 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: terraserver : a spatial data warehouse. authors: t barclay , d slutz , j gray. venue: sigmod conference. year: 2000", "productB": "title: microsoft terraserver : a spatial data warehouse . 1999. authors: t barclay , j gray , d stuz. venue: microsoft. year: nan", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: y. manolopou-10s : \u00e2 ?? fast subsequence matching in time-series databases\u00e2 ??. authors: c faloutsos , m ranganathan. venue: proceedings of the 1994 acm sigmod. year: nan", "same": true}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the ccube constraint object-oriented database system : an overview. authors: a brodsky , ve segal. venue: proc . second international workshop on constraint database & hellip ; ,. year: nan", "same": true}
+{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: a sistla , o wolfson. venue: sigmod conference. year: 1995", "productB": "title: temporal conditions and integrity constraints in active database systens. authors: ap sitsla , o wolfson. venue: proceedings of acm sigmod-95 ,. year: nan", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial database systems. authors: portal.acm.org. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: metadata standards for data warehousing : open information model vs. common warehouse metamodel. authors: t vetterli , a vaduva , m staudt. venue: sigmod record. year: 2000", "productB": "title: metadata standards for data warehousing : open information model vs. common warehouse metamodel [ j ]. authors: t vetterliy , a vaduvaz , m staudty. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: don\u00e2 ?? t scrap it , wrap it ! an architecture for legacy data sources. authors: mt roth , p schwarz. venue: international conference on very large databases ,. year: nan", "same": true}
+{"productA": "title: an effective deductive object-oriented database through language integration. authors: m barja , n paton , a fernandes , m williams , a dinn. venue: vldb. year: 1994", "productB": "title: an effective dood through language integration. authors: m barja , n paton , aaa fernandes , mh williams , a. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: research activities in database management and information retrieval at the university of illinois at chicago. authors: i cruz , a khokhar , b liu , a sistla , o wolfson , c yu. venue: sigmod record. year: 2002", "productB": "title: research activities in database management and information retrieval at university of illinois at. authors: i cruz , aa khokhar , b liu , ap sistla , o wolfson ,. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: the sift information dissemination system. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: the sift information dissemination system. authors: tw yan , h garcia-molina. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: ad dfs , m fernandez , d suciu. venue: proc . of acm sigmod conf . on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: scalable sweeping-based spatial join. authors: l arge , o procopiuc , s ramaswamy , t suel , j vitter. venue: vldb. year: 1998", "productB": "title: j. . s. vitter . scalable sweeping-based spatial join. authors: l arge , o procopiuc , s ramaswamy , t suel. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: xpathlearner : an on-line self-tuning markov histogram for xml path selectivity estimation. authors: l lim , m wang , s padmanabhan , j vitter , r parr. venue: vldb. year: 2002", "productB": "title: xpathlearner : an on-line self-tuning markov histogram for xml path selectivity estimation. authors: l lim , m wang , s padmanabhan , js vitter , r parr. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communications environments. authors: sa vi , r alonso , m franklin , s zdonik. venue: proceedings of the acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: \\ on saying \\ '' \\ `` enough already ! \\ '' \\ '' in sql \\ '' ''. authors: m carey , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: on saying '' enough already ! '' in sql. authors: mj carey , d kossmann. venue: nan. year: nan", "same": true}
+{"productA": "title: a monte carlo algorithm for fast projective clustering. authors: c procopiuc , m jones , p agarwal , t murali. venue: sigmod conference. year: 2002", "productB": "title: a monte carlo algorithm for fast projective clustering. authors: cm procopiuc. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: xml and electronic commerce : enabling the network economy. authors: b meltzer , r glushko. venue: sigmod record. year: 1998", "productB": "title: xml and electronic commerce. authors: b meltzer , r glushko. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: towards event-driven modelling for database design. authors: m teisseire , p poncelet , r cicchetti. venue: vldb. year: 1994", "productB": "title: towards event-driven modelling for database design. authors: p poncelet , m teisseire , r cicchetti. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: a requirement-based approach to data modeling and re-engineering. authors: a muntz , c ramiller. venue: vldb. year: 1994", "productB": "title: a requirement-based approach to data modeling and re-engineering. authors: ah muntz , ct ramiller. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: t shintani , m kitsuregawa. venue: sigmod conference. year: 1998", "productB": "title: parallel mining algorithms for generalized association rules with classification. authors: t shintani , m kitsuregawa. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: effective timestamping in databases. authors: k torp , c jensen , r snodgrass. venue: vldb j.. year: 2000", "productB": "title: efficient timestamping in databases. authors: k torp , cs jensen , rt snodgrass. venue: vldb journal , to. year: nan", "same": true}
+{"productA": "title: materialized view selection for multidimensional datasets. authors: a shukla , p deshpande , j naughton. venue: vldb. year: 1998", "productB": "title: materialized view selection for multidimensional database. authors: a shukla , p deshpande. venue: proceedings of 24 international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the n-tier hub technology. authors: r sommer , t gulledge , d bailey. venue: sigmod record. year: 2002", "productB": "title: the n-tier hub technology. authors: ra sommer , tr gulledge , d bailey. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record. year: 1998", "productB": "title: materialized views and data warehouses. authors: n roussopoulos. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: the onion technique : indexing for linear optimization queries. authors: y chang , l bergman , v castelli , c li , m lo , j smith. venue: sigmod conference. year: 2000", "productB": "title: the onion technique : indexing for linear optimization queries. authors: yc chang , l bergman , v castelli , cs li , ml lo , jr. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: benchmarking spatial join operations with spatial output. authors: e hoel , h samet. venue: vldb. year: 1995", "productB": "title: benchmarking spatial join operations with spatial output . 606-618. authors: eg hoel , h samet. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: oracle8i index-organized table and its application to new domains. authors: j srinivasan , s das , c freiwald , e chong , m jagannath , a yalamanchi , r krishnan , a tran , s defazio , j banerjee. venue: vldb. year: 2000", "productB": "title: oracle8i index-organized table and its application to new domains. authors: j srinivasan , s das , c freiwald , ei chong , m. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: autoadmin ` what-if ' index analysis utility. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: narasayya . autoadmin \u00e2 ?? what-if\u00e2 ?? indexanalysis utitlity. authors: s chaudhuri andv. venue: nan. year: nan", "same": true}
+{"productA": "title: stream : the stanford stream data manager. authors: a arasu , b babcock , s babu , m datar , k ito , i nishizawa , j rosenstein , j widom. venue: sigmod conference. year: 2003", "productB": "title: stream : the stanford stream data manager ( demonstration description ). authors: a arasu , b babcock , s babu , m datar , k ito , i. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: data access for the masses through ole db. authors: j blakeley. venue: sigmod conference. year: 1996", "productB": "title: data access for the masses through ole db. authors: ja blakeley. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: s venkataraman , t zhang. venue: vldb. year: 1998", "productB": "title: heterogeneous database query optimization in db2 universal datajoiner 24th conf . on very large. authors: s venkataraman , t zhang. venue: new york ,. year: nan", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: query caching and optimization in distributed mediator systems , proceedings of acm sigmod. authors: s adali , ks candan , y papakonstantinou , vs. venue: montreal , canada , june. year: nan", "same": true}
+{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb. year: 1996", "productB": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: a new sql-like operator for mining association rules. authors: r meo. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: sampling large databases for finding association rules. authors: h toivonen. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c galindo-legaria , a rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: outerjoin simplification and reordering for query optimization. authors: c galindo-legaria , a rosenthal. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: telegraphcq : continuous dataflow processing. authors: s chandrasekaran , o cooper , a deshpande , m franklin , j hellerstein , w hong , s krishnamurthy , s madden , f reiss , m shah. venue: sigmod conference. year: 2003", "productB": "title: telegraphcq : continuous dataflow processing for an uncertain world. authors: s chandrasekaran , o cooper , a deshpande , mj. venue: nan. year: nan", "same": true}
+{"productA": "title: hippocratic databases. authors: r agrawal , j kiernan , r srikant , y xu. venue: vldb. year: 2002", "productB": "title: hippocratic databases. authors: r agrawal , j kiernan , r srikant , y xu. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: pull for data broadcast. authors: s acharya , m franklin , s zdonik , b push. venue: proc . acm sigmod conf. , tucson , az , may ,. year: nan", "same": true}
+{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: p roy , s seshadri , s sudarshan , s bhobe. venue: sigmod conference. year: 2000", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: d quass , a gupta , i mumick , j widom. venue: acm sigmod , may ,. year: nan", "same": true}
+{"productA": "title: supporting dynamic displays using active rules. authors: o d\u044daz , a jaime , n paton , g al-qaimari. venue: sigmod record. year: 1994", "productB": "title: supporting dynamic displays using active rules. authors: , a jaime , nw paton. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: a workflow-based electronic marketplace on the web. authors: a dogac , i durusoy , s arpinar , n tatbul , p koksal , i cingil , n dimililer. venue: sigmod record. year: 1998", "productB": "title: an open electronic marketplace through agent-based workflows : moppet. authors: s arpinar , a dogac , n tatbul. venue: international journal on digital libraries ,. year: 2000.0", "same": true}
+{"productA": "title: balancing histogram optimality and practicality for query result size estimation. authors: y ioannidis , v poosala. venue: sigmod conference. year: 1995", "productB": "title: balancing histogram optimality and practicality for query result size estimation. authors: ye ioannidis , v poosala. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: holistic twig joins : optimal xml pattern matching. authors: n bruno , n koudas , d srivastava. venue: sigmod conference. year: 2002", "productB": "title: holistic twig joins : optimal xml pattern matching. authors: n bruno , n koudas , d srivastava. venue: nan. year: nan", "same": true}
+{"productA": "title: on processing xml in ldap. authors: p marr\u0453n , g lausen. venue: vldb. year: 2001", "productB": "title: on processing xml in ldap. authors: g lausen , pj marron. venue: intl. conference on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: distributed data structure. authors: w litwin , rim moussa. venue: acm transactions on database systems ,. year: 2005.0", "same": true}
+{"productA": "title: krdb ' 98 : the 5th international workshop on knowledge representation meets databases. authors: nan. venue: nan. year: 1998", "productB": "title: krdb ' 98 : the 5th international workshop on knowledge representation meets databases .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: data bubbles : quality preserving performance boosting for hierarchical clustering. authors: m breunig , h kriegel , p kr\u0456ger , j sander. venue: sigmod conference. year: 2001", "productB": "title: data bubbles : quality preserving performance boosting for hierarchical clustering acm sigmod. authors: mm breunig , hp kriegel , p kr\u00e3 \u00b6 ger , j sander. venue: santa barbara , california ,. year: nan", "same": true}
+{"productA": "title: online aggregation. authors: j hellerstein , p haas , h wang. venue: sigmod conference. year: 1997", "productB": "title: on-line aggregation. authors: jm hellerstein , jp haas , hj wang. venue: proc . of acm-sigmod conference on management of data ,. year: nan", "same": true}
+{"productA": "title: similarity-based queries for time series data. authors: d rafiei , a mendelzon. venue: sigmod conference. year: 1997", "productB": "title: similarity-based queries for time series data. authors: dra mendelzon. venue: proc . of the acm sigmod conf. , tucson , az , may ,. year: 1997.0", "same": true}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining fuzzy association rules in databases. authors: cm kuok , a fu , mh wong , nt shatin , h kong. venue: nan. year: nan", "same": true}
+{"productA": "title: applying an update method to a set of receivers. authors: m andries , l cabibbo , j paredaens , j bussche. venue: acm trans . database syst .. year: 2001", "productB": "title: applying an update method to a set of receivers. authors: u antwerp. venue: nan. year: nan", "same": true}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: a scalable algorithm for answering queries using views. authors: ay levy. venue: nan. year: nan", "same": true}
+{"productA": "title: world wide database - integrating the web , corba , and databases. authors: a bouguettaya , b benatallah , l hendra , j beard , k smith , m ouzzani. venue: sigmod conference. year: 1999", "productB": "title: world wide database \u00e5 ? integrating the web. authors: a bouguettaya\u00e2 ? \u00a6. venue: corba and databases ,. year: nan", "same": true}
+{"productA": "title: dynamic maintenance of wavelet-based histograms. authors: y matias , j vitter , m wang. venue: vldb. year: 2000", "productB": "title: dynamic maintenance of wavelet-based histograms . 1999. authors: y matias , js vitter , m wang. venue: unpublished manuscript ( available from www . cs .. year: nan", "same": true}
+{"productA": "title: the grid : an application of the semantic web. authors: c goble , d roure. venue: sigmod record. year: 2002", "productB": "title: semantic grid : an application of the semantic web. authors: ca goble , d de roure. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: instance-based attribute identification in database integration. authors: c cecil , r chiang , e lim. venue: vldb j.. year: 2003", "productB": "title: instance-based attribute identification in database integration. authors: ceh chua , rhl chiang , ep lim. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation . in proc 2000 acmsigmod intl conf. authors: j han , j pei , y yin. venue: management of data , may ,. year: nan", "same": true}
+{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: nan. venue: nan. year: 1998", "productB": "title: the world wide web and databases : international workshop webdb ' 98 , valencia , spain , march 27-28 ,. authors: p atzeni , ao mendelzon , g mecca. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: metadata for mixed-media access. authors: f chen , m hearst , j kupiec , j pedersen , l wilcox. venue: sigmod record. year: 1994", "productB": "title: meta-data for mixed-media access. authors: f chen , m hearst , j kupiec , j pedersen , l wilcox. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: normalization in oodb design. authors: b lee. venue: sigmod record. year: 1995", "productB": "title: normalization in oodb design. authors: sl byung. venue: acm sigmod record-1999-24. year: nan", "same": true}
+{"productA": "title: the aqua approximate query answering system. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: , s. ramaswamy , and t. suel . aqua : system and techniques for approximate query answering. authors: pb gibbons , v poosala , s acharya , y bartal. venue: technical report , bell laboratories , murray hill , nj , feb. .. year: nan", "same": true}
+{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: s amer-yahia , s cluet , c delobel. venue: vldb. year: 1998", "productB": "title: bulk loading techniques for object databases and an application to relational data. authors: bp inria. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective clustering methods for spatial data mining. authors: j han. venue: 20th international conference on very large data bases ,. year: nan", "same": true}
+{"productA": "title: a layered architecture for querying dynamic web content. authors: h davulcu , j freire , m kifer , i ramakrishnan. venue: sigmod conference. year: 1999", "productB": "title: a layered architecture for querying dynamic web content. authors: h davulcu , j freire. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: spatio-temporal retrieval with rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: vldb. year: 1999", "productB": "title: spatio-temporal retrieval with rasdaman ( system demonstration ). authors: p baumann , a dehmel , p furtado , r ritsch , n. venue: proc . very large data bases ( vldb ) , edinburgh ,. year: nan", "same": true}
+{"productA": "title: shrinking the warehouse update window. authors: w labio , r yerneni , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: shrinking the warehouse update window. authors: wj labio , r yerneni. venue: nan. year: nan", "same": true}
+{"productA": "title: sensor : the atomic computing particle. authors: v kumar. venue: sigmod record. year: 2003", "productB": "title: sensor : the atomic computing particle. authors: v kumar. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: sigmod conference. year: 1998", "productB": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: observations on the odmg-93 proposal. authors: w kim. venue: sigmod record. year: 1994", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: w kim. venue: acm sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: evaluation of remote backup algorithms for transaction-processing systems. authors: c polyzois , h garcia-molina. venue: acm trans . database syst .. year: 1994", "productB": "title: evaluation of remote backup algorithms for transaction processing systems. authors: h garcia-molina , c polyzois. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: cost models do matter : providing cost information for diverse data sources in a federated system. authors: m roth , f ozcan , l haas. venue: vldb. year: 1999", "productB": "title: matter : providing cost information for diverse data sources in a federated system. authors: m tork roth , f ozcan , l haas. venue: tech . report ibm rj # 10141 , feb. .. year: nan", "same": true}
+{"productA": "title: exploiting versions for handling updates in broadcast disks. authors: e pitoura , p chrysanthis. venue: vldb. year: 1999", "productB": "title: exploiting versions for handling updates in broadcast disks. authors: e pitoura , pk chrysanthis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: ejo\u00e2 ?? neil , and pe o\u00e2 ?? neil . a critique of ansi sql isolation levels. authors: h berenson , pa bernstein , j gray , j melton. venue: proceedingsof acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: efficient and effective metasearch for text databases incorporating linkages among documents. authors: c yu , w meng , w wu , k liu. venue: sigmod conference. year: 2001", "productB": "title: efficient and effective metasearch for text databases incorporating linkages among documents. authors: c yu , w meng , w wu , kl liu. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: viewmaintenanceinawarehousing environment , ''. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: proc . of acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: the oracle warehouse. authors: g hallmark. venue: vldb. year: 1995", "productB": "title: the oracle warehouse. authors: d sources. venue: nan. year: nan", "same": true}
+{"productA": "title: integrating contents and structure in text retrieval. authors: r baeza-yates , g navarro. venue: sigmod record. year: 1996", "productB": "title: integrating content and structure in text retrieval. authors: g navarro. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: finding replicated web collections. authors: j cho , n shivakumar , h garcia-molina. venue: sigmod conference. year: 2000", "productB": "title: finding replicated web collections. authors: j cho , n shivakumar , h garcia-molina. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: approximate medians and other quantiles in one pass and with limited memory. authors: g manku , s rajagopalan , b lindsay. venue: sigmod conference. year: 1998", "productB": "title: approximatemediansandother quantilesinonepass and with limited memory. authors: gs manku , s rajagopalan , bg lindsay. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: temporal fds on complex objects. authors: j wijsen. venue: acm trans . database syst .. year: 1999", "productB": "title: temporal fds on complex objects. authors: j wijsen. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: dynamic multidimensional histograms. authors: n thaper , s guha , p indyk , n koudas. venue: sigmod conference. year: 2002", "productB": "title: dynamic multidimensional histograms. authors: n thaper , n koudas. venue: nan. year: nan", "same": true}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: strudel : a web-site management system. authors: m fernandez , j kang , a levy , d suciu. venue: nan. year: nan", "same": true}
+{"productA": "title: coma - a system for flexible combination of schema matching approaches. authors: h do , e rahm. venue: vldb. year: 2002", "productB": "title: coma - a system for flexible combination of schema matching approaches. authors: hh do , e rahm. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: providing database migration tools - a practicioner 's approach. authors: a meier. venue: vldb. year: 1995", "productB": "title: providing database migration tools-a practicioner 's approach. authors: a meier. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: supporting incremental join queries on ranked inputs. authors: a natsev , y chang , j smith , c li , j vitter. venue: vldb. year: 2001", "productB": "title: li. , c. , and vitter . j. 2001 . supporting incremental join queries on ranked inputs. authors: a natsev , y chang , j smith. venue: proceedings of the very large data bases conference ( vldb ;. year: nan", "same": true}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: naos : efficient and modular capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: 20 thint . conf . on vldb ,. year: nan", "same": true}
+{"productA": "title: rights of tods readers , authors and reviewers. authors: r snodgrass. venue: sigmod record. year: 2002", "productB": "title: rights of tods readers , authors and reviewers. authors: rt snodgrass. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: hilbert r-tree : an improved r-tree using hactals. authors: i kamel , c faloutsos. venue: proceedings of the 20th vldb conference ,. year: nan", "same": true}
+{"productA": "title: data page layouts for relational databases on deep memory hierarchies. authors: a ailamaki , d dewitt , m hill. venue: vldb j.. year: 2002", "productB": "title: data page layouts for relational databases on deep memory hierarchies. authors: a ailamaki , dj dewitt , md hill. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: reusing invariants : a new strategy for correlated queries. authors: j rao , k ross. venue: sigmod conference. year: 1998", "productB": "title: reusing invariants : a new strategy for correlated queries. authors: j rao , ka ross. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: dtl 's dataspot : database exploration using plain language. authors: s dar , g entin , s geva , e palmon. venue: vldb. year: 1998", "productB": "title: dtl 's dataspot : database exploration using plain language. authors: s dar , g entin , s geva , e palmon. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the design and implementationof a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: proceedings ofthetwentysecond. year: nan", "same": true}
+{"productA": "title: snowball : a prototype system for extracting relations from large text collections. authors: e agichtein , l gravano , j pavel , v sokolova , a voskoboynik. venue: sigmod conference. year: 2001", "productB": "title: snowball : a prototype system for extracting relations from large text collections. authors: e agichtein , l gravano , j pavel , v sokolova , a. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: managing distributed workspaces with active xml. authors: s abiteboul , j baumgarten , a bonifati , g cobena , c cremarenco , f dragan , i manolescu , t milo , n preda. venue: vldb. year: 2003", "productB": "title: managing distributed workspaces with active xml. authors: s abiteboul , j baumgarten , a bonifati , g cobena , c. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: active xml : peer-to-peer data and web services integration. authors: s abiteboul , o benjelloun , i manolescu , t milo , r weber. venue: vldb. year: 2002", "productB": "title: active xml : peer-to-peer data and web services. authors: s abiteboul , o benjelloun , i manolescu , t milo , r. venue: 28th conference on very large data bases ( vldb 2002 ) ,. year: nan", "same": true}
+{"productA": "title: lore : a lightweight object repository for semistructured data. authors: d quass , j widom , r goldman , k haas , q luo , j mchugh , s nestorov , a rajaraman , h rivero , s abiteboul , j ullman , j wiener. venue: sigmod conference. year: 1996", "productB": "title: lore : a lightweight object repository for semistructured data .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb. year: 1998", "productB": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , m b\u0456hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: querying atsql databases with temporal logic. authors: j chomicki , d toman , mh bohlen. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: j han , y fu , y huang , y cai , n cercone. venue: sigmod conference. year: 1994", "productB": "title: dblearn : a system prototype for knowledge discovery in relational databases - group of 7 & raquo ;. authors: j han , y fu , y huang , y cai , n cercone. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: spatial queries in dynamic environments. authors: y tao , d papadias. venue: acm trans . database syst .. year: 2003", "productB": "title: spatial queries in dynamic environments. authors: y tao , d papadias. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: lvs \u00e2 ?? a foundation for multi-dimensional databases\u00e2 ??. authors: ml gyssens. venue: proc . 22 ndvldb conference , india ,. year: nan", "same": true}
+{"productA": "title: visionary : a next generation visualization system for databases. authors: m stonebraker. venue: sigmod conference. year: 2003", "productB": "title: visionary : a next generation visualization system for databases. authors: m stonebraker. venue: nan. year: nan", "same": true}
+{"productA": "title: a multi-version cache replacement and prefetching policy for hybrid data delivery environments. authors: a seifert , m scholl. venue: vldb. year: 2002", "productB": "title: a multi-version cache replacement and prefetching policy for hybrid data delivery environments. authors: a seifert , mh scholl. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: database performance in the real world - tpc-d and sap r/3 ( experience paper ). authors: j doppelhammer , t h\u0456ppler , a kemper , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: database performance in the real world - tpc-d and sap r/3 ( experience paper ). authors: j doppelhammer , t hoeppler , a kemper , d kossmann. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: mv3r-tree : a spatio-temporal access method for timestamp and interval queries. authors: y tao , d papadias. venue: vldb. year: 2001", "productB": "title: mv3r-tree : a spatio-temporal access method for timestamp and interval queries. authors: t yufei , d papadias. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: selectivity estimation in extensible databases - a neural network approach. authors: m lakshmi , s zhou. venue: vldb. year: 1998", "productB": "title: selectivity estimation in extensible databases-a neural network approach .. authors: acms disc , acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemsets and implication rules in market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: self-similarity in the web. authors: s dill , r kumar , k mccurley , s rajagopalan , d sivakumar , a tomkins. venue: vldb. year: 2001", "productB": "title: self-similarity in the web. authors: s dill , r kumar , ks mccurley , s rajagopalan , d. venue: acm transactions on internet technology ,. year: 2002.0", "same": true}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , hp kriegel , j sander , m wimmer , x xu. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: mil primitives for querying a fragmented world. authors: p boncz , m kersten. venue: vldb j.. year: 1999", "productB": "title: mil primitives for querying a fragmented world. authors: pa boncz , ml kersten. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: eddies : continuously adaptive query processing. authors: r avnur , j hellerstein. venue: sigmod conference. year: 2000", "productB": "title: eddies : continously adaptive query processing. authors: r avnur , jm hellerstein. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: multiview access protocols for large-scale replication. authors: x liu , a helal , w du. venue: acm trans . database syst .. year: 1998", "productB": "title: multiview access protocols for large-scale replication. authors: x liu , a helal , w du. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: sigmod conference. year: 1998", "productB": "title: simultaneous optimization and evaluation ofmultiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: proc . ofthe acm sigmod conf . on management. year: nan", "same": true}
+{"productA": "title: query optimization for selections using bitmaps. authors: m wu. venue: sigmod conference. year: 1999", "productB": "title: query optimization for selections using bitmaps. authors: mc wu. venue: nan. year: nan", "same": true}
+{"productA": "title: a tsql2 tutorial. authors: nodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: a tsql2 tutorial. authors: rt s & grass\u00e2 ? \u00a6. venue: slgmod record ,. year: nan", "same": true}
+{"productA": "title: load shedding in a data stream manager. authors: n tatbul , u \u0447etintemel , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: u. etintemel , sb zdonik , m. cherniack , and m. stonebraker . load shedding in a data stream manager. authors: n tatbul. venue: proc . of the 29th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: an optimisation scheme for coalesce/valid time selection operator sequences. authors: c vassilakis. venue: sigmod record. year: 2000", "productB": "title: an optimisation scheme for coalesce/valid time selection operator sequences .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997", "productB": "title: vassalos , template-based wrappers in the tsimmis system , ht tp : / / wwwdb. authors: j hammer , h garcia-molina , s nestorov , r yerneni ,. venue: stanford . edu/tsimmis/publications .. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: hs and shim , k. 1995 . fast similarity search in the presence of noise , scaling and translation in. authors: rl agrawal , k sawhney. venue: proceedings of the 21st international conference on very. year: nan", "same": true}
+{"productA": "title: conceptual modeling and specification generation for b2b business process based on ebxml. authors: h kim. venue: sigmod record. year: 2002", "productB": "title: conceptual modeling and specification generation for b2b business process based on ebxml .. authors: hd kim. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: fastmap : a fast algorithm for indexing , data mining and visualization of traditional and multimedia. authors: c faloutsos , k lin. venue: proc . of sigmod ,. year: nan", "same": true}
+{"productA": "title: quality of service in multimedia digital libraries. authors: e bertino , a elmagarmid , m hacid. venue: sigmod record. year: 2001", "productB": "title: quality of service in multimedia digital libraries. authors: d di scienze dell ` informazione. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: the database group at university of hagen ( fernuniversitaet ). authors: g schlageter , t berkel , e heuel , s mittrach , a scherer , w wilkes. venue: sigmod record. year: 1995", "productB": "title: the database group at university of hagen. authors: g schlageter , t berkel , e heuel , s mittrach , a. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: b adelberg. venue: sigmod conference. year: 1998", "productB": "title: nodose { a tool for semi-automatically extracting semi-structured data from text. authors: b adelberg. venue: proc . of the sigmod conference , seattle , june ,. year: nan", "same": true}
+{"productA": "title: the clustra telecom database : high availability , high throughput , and real-time response. authors: s hvasshovd , \u0438 torbj\u0458rnsen , s bratsberg , p holager. venue: vldb. year: 1995", "productB": "title: the clustra telecom database : high availability , high throughput , and real-time response proceedings. authors: so hvasshovd , o torbjornsen , se bratsberg , p. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : anecient dataclusteringmethod forvery large databases. authors: t zhang , r ramakrishnan , m livny. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: j gray , g graefe. venue: sigmod record. year: 1997", "productB": "title: the 5-minute rule revisited and other storage rules of thumb. authors: j gray , g graefe. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: computing complete answers to queries in the presence of limited access patterns. authors: c li. venue: vldb j.. year: 2003", "productB": "title: computing complete answers to queries in the presence of limited access patterns. authors: c li. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: constructing and integrating data-centric web applications : methods , tools , and techniques. authors: nan. venue: nan. year: 2003", "productB": "title: constructing and integrating data-centric web applications. authors: s ceri , i manolescu. venue: methods , tools and techniques , vldb ,. year: nan", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: processing of the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: an adaptive hybrid server architecture for client caching odbmss. authors: k voruganti , m \u0436zsu , r unrau. venue: vldb. year: 1999", "productB": "title: an adaptive hybrid server architecture for client caching. authors: o dbms , c edmonton , rc unrau , c solutions , c. venue: nan. year: nan", "same": true}
+{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference. year: 1999", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: y kotidis , n roussopoulos. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: the building blocks for specifying communication behavior of complex objects : an activity-driven approach. authors: l liu , r meersman. venue: acm trans . database syst .. year: 1996", "productB": "title: the building blocks for specifying communication behavior of complex objects : an activity-driven. authors: l liu , r meersman. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: l lakshmanan , r ng , j han , a pang. venue: sigmod conference. year: 1999", "productB": "title: optimization of constrained frequent set queries : 2-var constraints. authors: lvs lakshmanan , r ng , j han , a pang. venue: 3rd sigmod\u00e2 ?? 98 workshop on research issues in data mining. year: nan", "same": true}
+{"productA": "title: what can hierarchies do for data warehouses ?. authors: h jagadish , l lakshmanan , d srivastava. venue: vldb. year: 1999", "productB": "title: what can hierarchies do for data warehouses ?. authors: hv jagadish , lvs lakshmanan , d srivastava. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: supporting valid-time indeterminacy. authors: c dyreson , r snodgrass. venue: acm trans . database syst .. year: 1998", "productB": "title: supporting valid-time indeterminacy. authors: ce dyreson , rt snodgrass. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: incremental distance join algorithms for spatial databases. authors: g hjaltason , h samet. venue: sigmod conference. year: 1998", "productB": "title: incremental distance join algorithms for spatial databases. authors: gr hjaltason , h samet. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: unbundling active functionality. authors: s gatziu , a koschel , g b\u045cltzingsloewen , h fritschi. venue: sigmod record. year: 1998", "productB": "title: unbundling active functionality. authors: s gatziu , a koschel , h fritschi. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: caching technologies for web applications. authors: c mohan. venue: vldb. year: 2001", "productB": "title: tutorial : caching technologies for web applications. authors: c mohan. venue: 27th international conference on very large data bases ( vldb & hellip ; ,. year: nan", "same": true}
+{"productA": "title: querying shapes of histories. authors: r agrawal , g psaila , e wimmers , m za\u044ft. venue: vldb. year: 1995", "productB": "title: querying shapes of histories. authors: r agrawal , g psaila , el wimmers. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: microsoft.com : a high-scale data management and transaction processing solution. authors: s kennamer. venue: sigmod conference. year: 1998", "productB": "title: microsoft . corn : a high-scale data management and transaction processing solution. authors: s kennamer. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: fast nearest neighbor search in medical image. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: j han , y fu , y huang , y cai , n cercone. venue: sigmod conference. year: 1994", "productB": "title: advances of the dblearn system for knowledge discovery in large databases. authors: j han , y fu , s tang. venue: nan. year: nan", "same": true}
+{"productA": "title: networked data management design points. authors: j hamilton. venue: vldb. year: 1999", "productB": "title: networked data management design points. authors: j hamilton. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: maintaing data privacy in association rule mining. authors: sj rizvi , jr haritsa. venue: proceedings of the 28th international conference on very. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleepers and workaholics : caching strategies in mobile environments , \u00e2\u00ba very large databases j. authors: d barbara , t imielinski. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent pattern without generation candidate. authors: j han , j pei , y yin. venue: proceedings of the 2000 acm sigmod , dallas , texas , usa ,. year: nan", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: siegel . e & and protopapas . z. ( 1996 ) . fast nearest-neighbor search in medical image databases. authors: p korn , n sidiropoulos , c faloutsos. venue: proceedings of 22 thinternational conference on very large. year: nan", "same": true}
+{"productA": "title: mobile computing and databases : anything new ?. authors: m dunham , a helal. venue: sigmod record. year: 1995", "productB": "title: mobile computing and databases : an ything new ? , ''. authors: mh dunham , a helal. venue: sigmod. year: nan", "same": true}
+{"productA": "title: optimizing database architecture for the new bottleneck : memory access. authors: s manegold , p boncz , m kersten. venue: vldb j.. year: 2000", "productB": "title: database architecture optimized for the new bottleneck : memory access. authors: s manegold , pa boncz , ml kersten. venue: nan. year: nan", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: m-tree : an efficient access method for similarity search in metric. authors: t ciaccia , m patella , p zezula. venue: proc . 23rd int . conf . on vldb ,. year: nan", "same": true}
+{"productA": "title: practical lessons in supporting large-scale computational science. authors: r musick , t critchlow. venue: sigmod record. year: 1999", "productB": "title: practical lessons in supporting large-scale computational science. authors: r musick , t critchlow. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: wangy ( 2000 ) niagaracq : a scalable continuous query system for internet databases. authors: j chen , dt dewitt , f tian. venue: proceedings of the acm sigmod. year: nan", "same": true}
+{"productA": "title: bibfinder/statminer : effectively mining and using coverage and overlap statistics in data integration. authors: z nie , s kambhampati , t hernandez. venue: vldb. year: 2003", "productB": "title: statminer : effectively mining and using coverage and overlap statistics in data integration. authors: z nie , ks bibfinder. venue: proc . of. year: nan", "same": true}
+{"productA": "title: enabling dynamic content caching for database-driven web sites. authors: k candan , w li , q luo , w hsiung , d agrawal. venue: sigmod conference. year: 2001", "productB": "title: enabling . enabling dynamic content caching for database-driven web sites. authors: ks candan , ws li , q luo , wp hsiung , d agrawal. venue: acm. year: nan", "same": true}
+{"productA": "title: expiring data in a warehouse. authors: h garcia-molina , w labio , j yang. venue: vldb. year: 1998", "productB": "title: expiring data from the warehouse . 1997. authors: wj labio , h garcia-molina. venue: stanford university :. year: nan", "same": true}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: temporal database implementations. authors: mh boehlen. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: performance measurements of compressed bitmap indices. authors: t johnson. venue: vldb. year: 1999", "productB": "title: performance measurements of compressed bitmap indices. authors: t johnson. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: the xxl search engine : ranked retrieval of xml data using indexes and ontologies. authors: a theobald , g weikum. venue: sigmod conference. year: 2002", "productB": "title: the xxl search engine : ranked retrieval of xml data using indexes and ontologies. authors: a theobald , g weikum. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: plan selection based on query clustering. authors: a ghosh , j parikh , v sengar , j haritsa. venue: vldb. year: 2002", "productB": "title: plan selection based on query clustering. authors: a ghosh , j parikh , vs sengar , jr haritsa. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: asset : a system for supporting extended transactions. authors: a biliris , s dar , n gehani , h jagadish , k ramamritham. venue: sigmod conference. year: 1994", "productB": "title: asset : a system for supporting extended transactions. authors: a billiris , d gehani , h jagadish , k ramamritham. venue: proceedings of sigmod ,. year: nan", "same": true}
+{"productA": "title: independence is good : dependency-based histogram synopses for high-dimensional data. authors: a deshpande , m garofalakis , r rastogi. venue: sigmod conference. year: 2001", "productB": "title: independence is good : dependency-based histogram synopses for high-dimensional data. authors: a deshpande , m garofalakis , r rastogi. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k b\u0456hm , k aberer , e neuhold , x yang. venue: vldb j.. year: 1997", "productB": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k bohm , k aberer , ej neuhold , x yang. venue: vldb journal ,. year: 1997.0", "same": true}
+{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: s amer-yahia , s cluet , c delobel. venue: vldb. year: 1998", "productB": "title: bulk-loading techniques for object databases and an application to relational data. authors: s amer-yahia , s cluet , c delobel. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: qualified answers that reflect user needs and preferences. authors: t gaasterland , j lobo. venue: vldb. year: 1994", "productB": "title: quantified answers that reflect user needs and preferences , proc. authors: t gaasterland , j lobo. venue: vldb. year: nan", "same": true}
+{"productA": "title: using the calanda time series management system. authors: w dreyer , a dittrich , d schmidt. venue: sigmod conference. year: 1995", "productB": "title: using the calanda time series management system. authors: w dreyer , ak dittrich , d schmidt. venue: nan. year: nan", "same": true}
+{"productA": "title: wavelet synopses with error guarantees. authors: m garofalakis , p gibbons. venue: sigmod conference. year: 2002", "productB": "title: wavelet synopses with error guarantees. authors: mn garofalakis , pb gibbons. venue: nan. year: nan", "same": true}
+{"productA": "title: time series similarity measures and time series indexing. authors: nan. venue: nan. year: 2001", "productB": "title: time series similarity measures ( tutorial pm-2 ). authors: d gunopulos , g das. venue: conference on knowledge discovery in data ,. year: 2000.0", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: schneider m. realm-based spatial data types : the rose algebra. authors: rh gtifing. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: memex : a browsing assistant for collaborative archiving and mining of surf trails. authors: s chakrabarti , s srivastava , m subramanyam , m tiwari. venue: vldb. year: 2000", "productB": "title: memex : a browsing assistant for collaborative archiving and mining of surf trails. authors: s chakrabarti , s srivastava , m subramanyam , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: t2 : a customizable parallel database for multi-dimensional data. authors: c chang , a acharya , a sussman , j saltz. venue: sigmod record. year: 1998", "productB": "title: t2 : a customizable parallel database for multi-dimensional data .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: predator : an or-dbms with enhanced data types. authors: p seshadri , m paskin. venue: sigmod conference. year: 1997", "productB": "title: an or-dbms with enhanced data types. authors: p seshadri , mp predator. venue: acm sigmod conf. , tucson , arizona ,. year: nan", "same": true}
+{"productA": "title: high-performance sorting on networks of workstations. authors: a arpaci-dusseau , r arpaci-dusseau , d culler , j hellerstein , d patterson. venue: sigmod conference. year: 1997", "productB": "title: high-performance sorting on networks of workstations. authors: da patterson. venue: nan. year: nan", "same": true}
+{"productA": "title: will database researchers have any role in data security ? ( panel abstract ). authors: a rosenthal. venue: sigmod conference. year: 2001", "productB": "title: will database researchers have any role in data security ? ( panel session ). authors: a rosenthal , k dittrich , j donahue , b maimone. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy ejicient indexing on aiz acm sigmod int. authors: t imielinski , s viswanathan , b badrinath. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: your mediators need data convention. authors: s cluet , c delobel , j simeon , k smaga. venue: proc . acmsigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the prototype of the dare system. authors: t catarci , g santucci. venue: sigmod conference. year: 2001", "productB": "title: the prototype of the dare system. authors: t catarci , g santucci. venue: nan. year: nan", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communications environments. authors: s achary , m franklin , s zdonik , r alonso. venue: proceedings of the accm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: theory of dependence values. authors: r meo. venue: acm trans . database syst .. year: 2000", "productB": "title: theory of dependence values. authors: r meo. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: implementing xquery 1.0 : the galax experience. authors: m fernandez , j sim\u0449on , b choi , a marian , g sur. venue: vldb. year: 2003", "productB": "title: implementing xquery 1.0 : the galax experience. authors: m fernandez , j simeon , b choi , a marian , g sur. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: lineage tracing for general data warehouse transformations. authors: y cui , j widom. venue: vldb. year: 2001", "productB": "title: lineage tracing for general data warehouse transformations. authors: y cui , j widom. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: materialized view selection and maintenance using multi-query optimization. authors: h mistry , p roy , s sudarshan , k ramamritham. venue: sigmod conference. year: 2001", "productB": "title: materialized view selection and maintenance using multi-query optimization. authors: h mistry , p roy , s sudarshan , k ramamritham. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: a query language for a web-site. authors: a levy , d suciu. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: ands . tsur . dynamicitemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman. venue: acm sigmod conf . management of data , may ,. year: nan", "same": true}
+{"productA": "title: nsf workshop on industrial/academic cooperation in database systems. authors: nan. venue: nan. year: 1999", "productB": "title: nsf workshop on industrial/academic cooperation in database systems. authors: m carey , l seligman. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient algorithm for large databases. authors: s guha , r rastogi , k shim. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: effective memory use in a media server. authors: e chang , h garcia-molina. venue: vldb. year: 1997", "productB": "title: effective memory use in a media server. authors: e chang , h garcia-molina. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: temporal integrity constraints with indeterminacy. authors: w cowley , d plexousakis. venue: vldb. year: 2000", "productB": "title: temporal integrity constraints with indeterminacy. authors: w cowley , d plexousakis. venue: nan. year: nan", "same": true}
+{"productA": "title: gangam - a solution to support multiple data models , their mappings and maintenance. authors: k claypool , e rundensteiner , x zhang , h su , h kuno , w lee , g mitchell. venue: sigmod conference. year: 2001", "productB": "title: sangam-a solution to support multiple data models , their mappings and maintenance. authors: kt claypool , ea rundensteiner , x zhang , s hong , h. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: constructing efficient decision trees by using optimized numeric association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: vldb. year: 1996", "productB": "title: constructing efficient decision trees by using optimized numeric association rules. authors: t fukuda , y morimoto. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: is gui programming a database research problem ?. authors: n goyal , c hoch , r krishnamurthy , b meckler , m suckow. venue: sigmod conference. year: 1996", "productB": "title: is gui programming a database research problem ?. authors: n goyal. venue: nan. year: nan", "same": true}
+{"productA": "title: sybase replication server. authors: a gorelik , y wang , m deppe. venue: sigmod conference. year: 1994", "productB": "title: the sybase replication server project. authors: y wang , j chiao , v nori. venue: lecture notes in computer science ,. year: 1993.0", "same": true}
+{"productA": "title: automating physical database design in a parallel database. authors: j rao , c zhang , n megiddo , g lohman. venue: sigmod conference. year: 2002", "productB": "title: automating physical database design in a parallel database system. authors: j rao , c zhang , g lohman , n megiddo. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: winnowing : local algorithms for document fingerprinting. authors: s schleimer , d wilkerson , a aiken. venue: sigmod conference. year: 2003", "productB": "title: winnowing : local algorithms for document fingerprinting. authors: s schleimer , ds wilkerson , a aiken. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: referee : an open framework for practical testing of recommender systems using researchindex. authors: d cosley , s lawrence , d pennock. venue: vldb. year: 2002", "productB": "title: s. and pennock , dm 2002 . referee : an open framework for practical testing of recommender systems. authors: dl cosley. venue: proceedings of the 28 thinternational conference on very. year: nan", "same": true}
+{"productA": "title: mining surprising patterns using temporal description length. authors: s chakrabarti , s sarawagi , b dom. venue: vldb. year: 1998", "productB": "title: mining surprising patterns using temporal. authors: s chakrabarti , s sarawagi , b dom. venue: nan. year: nan", "same": true}
+{"productA": "title: progress on hpcc and nii. authors: m winslett. venue: sigmod record. year: 1994", "productB": "title: progress on hpcc and nii. authors: m winslett. venue: nan. year: nan", "same": true}
+{"productA": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: d doan , n paton , a kilgour. venue: sigmod record. year: 1995", "productB": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dk doan , nw paton , a kilgour. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: 1994 . multi-step processing of spatial joins. authors: t brinkho , hp kriegel , r schneider , b seeger. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: on random sampling over joins. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1999", "productB": "title: on random sampling over joins. authors: sc cmn , r motwani , vr narasayya. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: views in a large scale xml repository. authors: s cluet , p veltri , d vodislav. venue: vldb. year: 2001", "productB": "title: views in a large scale xml repository - group of 2 & raquo ;. authors: s cluet , p veltri , d vodislav , b reference. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: publish/subscribe on the web at extreme speed. authors: j pereira , f fabret , f llirbat , r preotiuc-pietro , k ross , d shasha. venue: vldb. year: 2000", "productB": "title: publish/subscribe on the web at extreme speed. authors: j pereira , f fabret , f llirbat , r preotiuc-pietro ,. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histogramsforselectivity estimationofrangepredicates. authors: v poosala , ye ioannidis , pj haas , ej shekita. venue: acm sigmod int . conf . on management of data , montreal , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: agora : living with xml and relational. authors: i manolescu , d florescu , d kossmann , f xhumari , d olteanu. venue: vldb. year: 2000", "productB": "title: agora : living with xml and relational. authors: dkfxd olteanu , i manolescu , d florescu. venue: proceedings of the 26th vldb conference , cairo , egypt ,. year: nan", "same": true}
+{"productA": "title: generic schema matching with cupid. authors: j madhavan , p bernstein , e rahm. venue: vldb. year: 2001", "productB": "title: generic schema matching with cupid. authors: j mahadavan , pa bernstein , e rahm. venue: proceedings of the 27th vldb conference , roma ,. year: nan", "same": true}
+{"productA": "title: preservation of digital data with self-validating , self-instantiating knowledge-based archives. authors: b lud\u0444scher , r marciano , r moore. venue: sigmod record. year: 2001", "productB": "title: preservation of digital data with self-validating , self-instantiating knowledge-based archives. authors: , r marciano , r moore. venue: nan. year: nan", "same": true}
+{"productA": "title: data bubbles for non-vector data : speeding-up hierarchical clustering in arbitrary metric spaces. authors: j zhou , j sander. venue: vldb. year: 2003", "productB": "title: data bubbles for non-vector data : speeding-up hierarchical clustering in arbitrary metric spaces. authors: j zhou , j sander. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: client-server paradise. authors: d dewitt , n kabra , j luo , j patel , j yu. venue: vldb. year: 1994", "productB": "title: clientserver paradise . 1994. authors: dj dewitt , n kabra , jmp junluo , jb yu. venue: santiago ,. year: nan", "same": true}
+{"productA": "title: a theory of redo recovery. authors: d lomet , m tuttle. venue: sigmod conference. year: 2003", "productB": "title: a theory of redo recovery. authors: db lomet , mr tuttle. venue: nan. year: nan", "same": true}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: jo querying heterogeneous information sources using source descriptions. authors: ay levy , a rajaraman. venue: proceedings of the 22th international conference on very. year: nan", "same": true}
+{"productA": "title: recent design trade-offs in sql3. authors: n mattos , l demichiel. venue: sigmod record. year: 1994", "productB": "title: recent design trade-offs in sql3. authors: n mattos , lg demichiel. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: logical and physical versioning in main memory databases. authors: r rastogi , s seshadri , p bohannon , d leinbaugh , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: logical and physical versioning in main memory databases. authors: s sudarshan. venue: nan. year: nan", "same": true}
+{"productA": "title: improving performance with bulk-inserts in oracle r-trees. authors: n an , k kanth , s ravada. venue: vldb. year: 2003", "productB": "title: improving performance with bulk-inserts in oracle r-trees. authors: n an , s ravada. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: evolving teradata decision support for massively parallel processing with unix. authors: c ballinger. venue: sigmod conference. year: 1994", "productB": "title: evolving teradata decision support for massively parallel processing with unix. authors: c ballinger. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: hot mirroring : a study to hide parity upgrade penalty and degradations during rebuilds for raid5. authors: k mogi , m kitsuregawa. venue: sigmod conference. year: 1996", "productB": "title: hot mirroring : a study to hide parity upgrade penalty and degradations during rebuilds for raid5. authors: k mogi , m kitsuregawa. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: 8 . shariq rizvi and jayant r. haritsa maintaining data privacy in association rule mining. authors: s rizvi. venue: proceedings of the 28th vldb conference , hong kong , china ,. year: nan", "same": true}
+{"productA": "title: daytona and the fourth-generation language cymbal. authors: r greer. venue: sigmod conference. year: 1999", "productB": "title: daytona and the fourth-generation language cymbal. authors: r greer. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: the cougar approach to in-network query processing in sensor networks. authors: y yao , j gehrke. venue: sigmod record. year: 2002", "productB": "title: the cougar approach to in-network query processing. authors: y yao , j gehrke. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: efficiently mining long patterns from databases. authors: r jr.. venue: sigmod conference. year: 1998", "productB": "title: efficiently ming long patterns from databases. authors: rj bayardo jr. venue: proc . of acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a performance study of four index structures for set-valued attributes of low cardinality. authors: s helmer , g moerkotte. venue: vldb j.. year: 2003", "productB": "title: a study of four index structures for set-valued attributes of low cardinality. authors: s helmer , g moerkotte. venue: nan. year: nan", "same": true}
+{"productA": "title: update propagation strategies to improve freshness in lazy master replicated databases. authors: e pacitti , e simon. venue: vldb j.. year: 2000", "productB": "title: update propagation strategies to improve fresin lazy master replicated databases. authors: e pacitti , e simon. venue: journal vldb ,. year: nan", "same": true}
+{"productA": "title: towards adaptive workflow systems , cscw-98 workshop report. authors: nan. venue: nan. year: 1999", "productB": "title: towards adaptive workflow systems , cscw-98 workshop , proceedings. authors: m klein , c dellarocas , a bernstein. venue: proc . seattle , washington , november ,. year: nan", "same": true}
+{"productA": "title: dynamic memory adjustment for external mergesort. authors: w zhang , p larson. venue: vldb. year: 1997", "productB": "title: dynamic memory adjustment for external mergesort. authors: w zhang , pa larson. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: cache conscious indexing for decision-support in main memory. authors: j rao , k ross. venue: vldb. year: 1999", "productB": "title: cache conscious indexing fordecision-support inmainmemory. authors: jrka ross. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level from large databases. authors: j han , y fu. venue: zurich , switzerland : in proc . 21th vldb conf ,. year: nan", "same": true}
+{"productA": "title: `` honey , i shrunk the dbms '' : footprint , mobility , and beyond ( panel ). authors: p seshadri. venue: sigmod conference. year: 1999", "productB": "title: \u00e2 ?? honey , i shrunk the database\u00e2 ?? : footprint , mobility , and beyond. authors: p seshadri. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: multimedia streaming in large-scale sensor networks with mobile swarms. authors: m gerla , k xu. venue: sigmod record. year: 2003", "productB": "title: multimedia streaming in large-scale sensor networks with mobile swarms. authors: m gerla , k xu. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques ( part i ). authors: d shasha , p bonnet. venue: sigmod conference. year: 2002", "productB": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: de shasha , p bonnet\u00e2 ? \u00a6. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: rule languages and internal algebras for rule-based optimizers. authors: m cherniack , s zdonik. venue: sigmod conference. year: 1996", "productB": "title: rule languages and internal algebras for rule-based optimizers. authors: m chemiack , s zdonik. venue: proc . of the acm slgmod int . co @ on management of data ,. year: nan", "same": true}
+{"productA": "title: streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb. year: 2002", "productB": "title: streaming queries over streaming data. authors: s chandrasekaran , mj franklin. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: electronic commerce : tutorial. authors: n adam , y yesha. venue: sigmod conference. year: 1998", "productB": "title: electronic commerce : tutorial. authors: nr adam. venue: nan. year: nan", "same": true}
+{"productA": "title: optimizing queries on files. authors: m consens , t milo. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries on files. authors: mp consens. venue: nan. year: nan", "same": true}
+{"productA": "title: energy efficient indexing on air. authors: t imielinski , s viswanathan , b badrinath. venue: sigmod conference. year: 1994", "productB": "title: energy efficient indexing on air. authors: t imielinsky , s viswanathan , br badrinath. venue: proc . of intl. conf . on managm . of data-acm-sigmod ,. year: nan", "same": true}
+{"productA": "title: a mapping mechanism to support bitmap index and other auxiliary structures on tables stored as primary b + - trees. authors: e chong , j srinivasan , s das , c freiwald , a yalamanchi , m jagannath , a tran , r krishnan , r jiang. venue: sigmod record. year: 2003", "productB": "title: a mapping mechanism to support bitmap index and other auxiliary structures on tables stored as. authors: ei chong , j srinivasan , s das , c freiwald , a. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: michael tan . semantic data caching and replacement. authors: s dar , mj franklin , b\u00e3 ? j\u00e3 \u00b3 nsson , d srivastava. venue: vldb. year: nan", "same": true}
+{"productA": "title: in-context peer-to-peer information filtering on the web. authors: a ouksel. venue: sigmod record. year: 2003", "productB": "title: in-context peer-to-peer information filtering on the web. authors: a ouksel. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: highly concurrent cache consistency for indices in client-server database systems. authors: m zaharioudakis , m carey. venue: sigmod conference. year: 1997", "productB": "title: highly concurrent cache consistency for indices in client-server database systems. authors: m zaharioudakis , mj carey. venue: proceedings on the 1997 acm-sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j tygar. venue: vldb. year: 1998", "productB": "title: atomicity versus anonymity : distributed transactions for electronic commerce , invited talks. authors: jd tygar. venue: proceedings of the 24th annual international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: query previews for networked information systems : a case study with nasa environmental data. authors: k doan , c plaisant , b shneiderman , t bruns. venue: sigmod record. year: 1997", "productB": "title: query previews for networked information systems : a case study with nasa environmental data. authors: q previews. venue: nan. year: nan", "same": true}
+{"productA": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: y choi , c chung. venue: sigmod conference. year: 2002", "productB": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yj choi , cw chung. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: rolex : relational on-line exchange with xml. authors: p bohannon , x dong , s ganguly , h korth , c li , p narayan , p shenoy. venue: sigmod conference. year: 2003", "productB": "title: sigmod 2003 demo proposal : relational on-line exchange with xml. authors: p bohannon , xl dong , s ganguly , hf korth , c li ,. venue: nan. year: nan", "same": true}
+{"productA": "title: incremental computation and maintenance of temporal aggregates. authors: j yang , j widom. venue: vldb j.. year: 2003", "productB": "title: incremental computation and maintenance of temporal aggregates. authors: y jun. venue: nan. year: nan", "same": true}
+{"productA": "title: a model for compound type changes encountered in schema evolution. authors: b lerner. venue: acm trans . database syst .. year: 2000", "productB": "title: a model for compound type changes encountered in schema evolution \u00e2 ??. authors: b staudt. venue: & hellip ; of massachusetts , amherst , acm transactions on database & hellip ; ,. year: nan", "same": true}
+{"productA": "title: online query processing. authors: nan. venue: nan. year: 2001", "productB": "title: online query processing. authors: jm hellerstein , pj haas. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: r jr. , w bohrer , r brice , a cichocki , j fowler , a helal , v kashyap , t ksiezyk , g martin , m nodine , m rashid , m rusinkiewicz , r shea , c unnikrishnan , a unruh , d woelk. venue: sigmod conference. year: 1997", "productB": "title: infosleuth : agent-based semantic integration of information in open and dynamic systems. authors: rj bayardo , w bohrer , a cichocki , jj fowler , a. venue: proc . acm sigmod int\u00e2 ?? l conf . management of. year: nan", "same": true}
+{"productA": "title: a multi-paradigm querying approach for a generic multimedia database management system. authors: j wen , q li , w ma , h zhang. venue: sigmod record. year: 2003", "productB": "title: a multi-paradigm querying approach for a generic multimedia database management system. authors: jr wen , q li , wy ma , hj zhang. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: streaming queries over streaming data. authors: s chandrasekaran , m franklin. venue: vldb. year: 2002", "productB": "title: streaming data over streaming queries. authors: s chandrasekaran , m franklin. venue: submitted for. year: nan", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: the pyramid-technique : towards breaking the curse of dimensional data spaces. authors: s berchtold , d keim , hp kriegel. venue: proc . acm sigmod int . conf . managment of data , seattle ,. year: nan", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: anoverviewofdatawarehousing and olap technology. authors: s chaudhuri , u dayal. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: data warehouse configuration. authors: d theodoratos , t sellis. venue: vldb. year: 1997", "productB": "title: data warehouse configuration. authors: d theodoratos , t sellis. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: copy detection mechanisms for digital documents. authors: s brin , j davis , h garcia-molina. venue: sigmod conference. year: 1995", "productB": "title: copy detection mechanisms for digital documents. authors: s brin , j davis , h garcia-molina. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: automata theory for xml researchers. authors: f neven. venue: sigmod record. year: 2002", "productB": "title: automata theory for xml researchers. authors: f neven. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: from vldb to vmldb ( very many large data bases ) : dealing with large-scale semantic heterogenity. authors: s madnick. venue: vldb. year: 1995", "productB": "title: to vmldb ( very many large data bases ) : dealing with large-scale semantic heterogenity. authors: se madnick , v from. venue: proceedings of the 21th international conference on very. year: nan", "same": true}
+{"productA": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: sigmod conference. year: 1998", "productB": "title: query unnesting in object-oriented databases. authors: l fegaras. venue: nan. year: nan", "same": true}
+{"productA": "title: approximate query processing : taming the terabytes. authors: m garofalakis , p gibbons. venue: vldb. year: 2001", "productB": "title: approximate query processing : taming the terabytes !. authors: a tutorial. venue: nan. year: nan", "same": true}
+{"productA": "title: constructing the next 100 database management systems. authors: a geppert , k dittrich. venue: sigmod record. year: 1994", "productB": "title: constructing the next 100 database management systems : like the handyman or like the engineer ?. authors: a geppert , kr dittrich. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: meaningful change detection in structured data. authors: s chawathe , h garcia-molina. venue: sigmod conference. year: 1997", "productB": "title: meaningful change detection in structured data . available at url http://www-db. authors: s chawathe , h garcia-molina. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: management of. year: nan", "same": true}
+{"productA": "title: adept : an agent-based approach to business process management. authors: n jennings , t norman , p faratin. venue: sigmod record. year: 1998", "productB": "title: adept : an agent-based approach to business process management. authors: nr jennings , tj norman , p faratin. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: java and relational databases : sqlj ( tutorial ). authors: nan. venue: nan. year: 1998", "productB": "title: java and relational databases : sqlj ( tutorial ). authors: p shaw , b becker , j klein , m hapner , g clossman , r. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: the pointcast network. authors: s ramakrishnan , v dayal. venue: sigmod conference. year: 1998", "productB": "title: the pointcast network ( abstract ). authors: s ramakrishnan , v dayal. venue: acm sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: updating knowledge bases while maintaining their consistency. authors: e teniente , a oliv\u0449. venue: vldb j.. year: 1995", "productB": "title: updating knowledge bases while maintaining their consistency . report de recerca , universitat. authors: e teniente , a olive. venue: report lsi-94-25-r . barcelona , spain .. year: nan", "same": true}
+{"productA": "title: title , foreword , preface to the special issue on spatial database systems , index vol . 3. authors: nan. venue: nan. year: 1994", "productB": "title: special issue on spatial database systems. authors: hj schek. venue: the vldb journal\u00e2 ?? the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: towards an effective calculus for object query languages. authors: l fegaras , d maier. venue: sigmod conference. year: 1995", "productB": "title: toward an effective calculus for object query processing. authors: lf fm , d maier. venue: proc . acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: quiet : continuous query-driven index tuning. authors: k sattler , i geist , e schallehn. venue: vldb. year: 2003", "productB": "title: quiet : continuous query-driven index tuning. authors: ku sattler , i geist , e schallehn. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: the complexity of transformation-based join enumeration. authors: a pellenkoft , c galindo-legaria , m kersten. venue: vldb. year: 1997", "productB": "title: the complexity of transformation-based join enumeration. authors: a pellenkoft , ca galindo-legaria , m kersten. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: zoo : a desktop experiment management environment. authors: y ioannidis , m livny , s gupta , n ponnekanti. venue: vldb. year: 1996", "productB": "title: desktop experiment management. authors: ye ioannidis , m livny , em haber , rj miller , og. venue: nan. year: nan", "same": true}
+{"productA": "title: weaving relations for cache performance. authors: a ailamaki , d dewitt , m hill , m skounakis. venue: vldb. year: 2001", "productB": "title: weaving relations for cache performance. authors: a ailamaki , dj dewitt , md hill , m skounakis. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: sarawagi ; s. : on the computation of multidimesnional aggregates. authors: s agarwal , r agrawal , pm deshpande , a gupta , jf. venue: proc . 22nd international conference on very large data bases & hellip ; ,. year: nan", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm trans . database syst .. year: 2002", "productB": "title: mehrotra . 2001 . locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , m pazzani. venue: proceedings of 2001 acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: the sdss skyserver : public access to the sloan digital sky server data. authors: a szalay , j gray , a thakar , p kunszt , t malik , j raddick , c stoughton , j vandenberg. venue: sigmod conference. year: 2002", "productB": "title: the sdss skyserver : public access to the sloan digital sky server data. authors: as szalay , j gray , a thakar , pz kunszt , t malik , j. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: a probabilistic relational model and algebra. authors: d dey , s sarkar. venue: acm trans . database syst .. year: 1996", "productB": "title: a probabilistic relational model and algebra. authors: d dey , s sarkar. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: social , educational , and governmental change enabled through information technology. authors: k ramamritham , y atfi , c batini , m eitan , v gregg , d phatak. venue: vldb. year: 2000", "productB": "title: social , educational , and governmental change enabled through information technology. authors: k ramamritham , c batini , m eitan , v gregg , db. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: sigmod conference. year: 1997", "productB": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: nan. year: nan", "same": true}
+{"productA": "title: a case for dynamic view management. authors: y kotidis , n roussopoulos. venue: acm trans . database syst .. year: 2001", "productB": "title: a case for dynamic view management. authors: y kotidis , n roussopoulos. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: an asynchronous avoidance-based cache consistency algorithm for client caching dbmss. authors: m \u0436zsu , k voruganti , r unrau. venue: vldb. year: 1998", "productB": "title: an asynchronous avoidance-based cache consistency algorithm for client caching dbmss. authors: g darmstadt , c edmonton , rc unraut , c solutions. venue: nan. year: nan", "same": true}
+{"productA": "title: an open storage system for abstract objects. authors: s blott , l relly , h schek. venue: sigmod conference. year: 1996", "productB": "title: an abstract-object storage manager. authors: s blott , l relly , hj schek. venue: & hellip ; 1996 acm sigmod int . conf . on management of data , acm sigmod. year: nan", "same": true}
+{"productA": "title: effective page refresh policies for web crawlers. authors: j cho , h garcia-molina. venue: acm trans . database syst .. year: 2003", "productB": "title: effective page refresh policies for web crawlers. authors: j cho , h garcia-molina. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: balancing push and pull for data broadcast. authors: a swarup , m franklin , s zdonik. venue: proceedings of the acm sigmod conference , tucson-arizona , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a foundation for representing and quering moving objects. authors: r g\u045cting , m b\u0456hlen , m erwig , c jensen , n lorentzos , m schneider , m vazirgiannis. venue: acm trans . database syst .. year: 2000", "productB": "title: a foundation for representing and querying moving objects. authors: , m erwig , cs jensen , na lorentzos , m schneider , m. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: the sdss skyserver : public access to the sloan digital sky server data. authors: a szalay , j gray , a thakar , p kunszt , t malik , j raddick , c stoughton , j vandenberg. venue: sigmod conference. year: 2002", "productB": "title: the sdss skyserver\u00e2 ?? public access to the sloan digital sky server data . acm sigmod 2002. authors: as szalay , j gray , ar thakar , pz kunszt , t malik ,. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: domino : databases for moving objects tracking. authors: o wolfson , a sistla , b xu , j zhou , s chamberlain. venue: sigmod conference. year: 1999", "productB": "title: bdomino : databases for moving objects tracking ( demo ) , ^ in proceedings of the acm international. authors: o wolfson , ap sistla , b xu , j zhou , s chamberlain. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , ki lin , hs sawhney , k shim. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: xml document versioning. authors: s chien , v tsotras , c zaniolo. venue: sigmod record. year: 2001", "productB": "title: xml document versioning. authors: sy chien , vj tsotras , c zaniolo. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: integrating dynamically-fetched external information into a dbms for semistructured data. authors: j mchugh , j widom. venue: sigmod record. year: 1997", "productB": "title: integrating dynamically-fetched external information into a dbms for semistructured data. authors: j mchugh , j widom. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , z \u0436zsoyoglu. venue: acm trans . database syst .. year: 1999", "productB": "title: indexing large metric spaces for similarity search queries. authors: t bozkaya , m ozsoyoglu. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: reverse nearest neighbor aggregates over data streams. authors: f korn , s muthukrishnan , d srivastava. venue: vldb. year: 2002", "productB": "title: reverse nearest neighbor aggregates over data streams. authors: f korn , s muthukrishnan , d srivastava. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: database architecture optimized for the new bottleneck : memory access. authors: p boncz , s manegold , m kersten. venue: vldb. year: 1999", "productB": "title: database architecture optimized for the new bottleneck : memory access. authors: s manegold , pa boncz , ml kersten. venue: nan. year: nan", "same": true}
+{"productA": "title: data quality and data cleaning : an overview. authors: t johnson , t dasu. venue: sigmod conference. year: 2003", "productB": "title: data quality and data cleaning : an overview. authors: t johnson , t dasu. venue: nan. year: nan", "same": true}
+{"productA": "title: maintaining data privacy in association rule mining. authors: s rizvi , j haritsa. venue: vldb. year: 2002", "productB": "title: maintaining data privacy in association rule mining. authors: sj rizvi , jr haritsa. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: generalizing gloss to vector-space databases and broker hierarchies . technicalreport ,. authors: l gravano , h garcia-molina. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: models and languages for describing and discovering e-services. authors: nan. venue: nan. year: 2001", "productB": "title: models and languages for describing and discovering e-services ( tutorial ). authors: f casati , mc shan. venue: & hellip ; of the international acm sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: a cost model for query processing in high dimensional data spaces. authors: c b\u0456hm. venue: acm trans . database syst .. year: 2000", "productB": "title: a cost model for query processing in high dimensional data spaces. authors: acm transactions on database systems , 2000. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: improved query performance with variant indexes. authors: p o'neil , d quass. venue: sigmod conference. year: 1997", "productB": "title: improved query performance with variant indexes. authors: eon patrick , d quass. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: a deuntsch , m fernandez , d suciu. venue: proceedings of acm. year: nan", "same": true}
+{"productA": "title: bitmap index design and evaluation. authors: c chan , y ioannidis. venue: sigmod conference. year: 1998", "productB": "title: bitmap index design and1 evaluation. authors: cy chan , ye ioannidis. venue: proceedings of the intl. acm sigmod. year: nan", "same": true}
+{"productA": "title: coordinating backup/recovery and data consistency between database and file systems. authors: s bhattacharya , c mohan , k brannon , i narang , h hsiao , m subramanian. venue: sigmod conference. year: 2002", "productB": "title: coordinated backup and recovery between database management systems and file systems. authors: i narang , c mohan , k brannon , m subramanian. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: acm transactions on database systems ,. year: 2005.0", "same": true}
+{"productA": "title: statix : making xml count. authors: j freire , j haritsa , m ramanath , p roy , j sim\u0449on. venue: sigmod conference. year: 2002", "productB": "title: statix : making xml count. authors: j freire , jr haritsa , m ramanath , p roy , j simeon. venue: nan. year: nan", "same": true}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , ts naos-e-cient. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference. year: 1994", "productB": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m jones , p marr\u0453n. venue: sigmod conference. year: 1996", "productB": "title: the multiview project : object-oriented view technology and applications , acm int. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m. venue: conf . on management of data ( sigmod\u00e2 ?? 96 ) ,. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association from large database. authors: j han , y fu. venue: proceedings of 1995 international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: incremental maintenance of externally materialized views. authors: m staudt , m jarke. venue: vldb. year: 1996", "productB": "title: incremental maintenance od externally materialized views. authors: m staudy , m jarke. venue: the proceedings of the 22th very large database ( vldb ) & hellip ; ,. year: nan", "same": true}
+{"productA": "title: evaluation of main memory join algorithms for joins with set comparison join predicates. authors: s helmer , g moerkotte. venue: vldb. year: 1997", "productB": "title: evaluation of main memory join algorithms for joins with set comparison join predicates. authors: s helmer , g moerkotte. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: an open storage system for abstract objects. authors: s blott , l relly , h schek. venue: sigmod conference. year: 1996", "productB": "title: an open storage systemfor abstract objects . inh . v. jagadish andi . s. mumick , editors. authors: s blott , l relly , hj schek. venue: proc . of the 1996 acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: balancing performance and data freshness in web database servers. authors: a labrinidis , n roussopoulos. venue: vldb. year: 2003", "productB": "title: balancing performance and data freshness in web database servers. authors: a labrinidis , n roussopoulos. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: building a scaleable geo-spatial dbms : technology , implementation , and evaluation. authors: j patel , j yu , n kabra , k tufte , b nag , j burger , n hall , k ramasamy , r lueder , c ellmann , j kupsch , s guo , d dewitt , j naughton. venue: sigmod conference. year: 1997", "productB": "title: building a scalable geo-spatial database system : technology , implementation , and evaluation. authors: j patel , j yu , n kabra , k tufte , b nag , j burger ,. venue: proc . acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: management of multidimensional discrete data. authors: p baumann. venue: vldb j.. year: 1994", "productB": "title: management of multidimensional discrete data. authors: p baumann. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: cover your assets. authors: m olson. venue: sigmod conference. year: 1995", "productB": "title: cover your assets. authors: ma olson. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: maintaining database consistency in presence of value dependencies in multidatabase systems. authors: c morpain , m cart , j ferri\u0449 , j pons. venue: sigmod conference. year: 1996", "productB": "title: maintaining database consistency in presence of value dependencies in multidatabase systems. authors: c morpain , m cart , j ferri\u00e3 \u00a9 , jf pons. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in databases. authors: r agrawal , r srikant. venue: the 20th int &#39; l conf . on vldb , chile ,. year: nan", "same": true}
+{"productA": "title: heuristic and randomized optimization for the join ordering problem. authors: m steinbrunn , g moerkotte , a kemper. venue: vldb j.. year: 1997", "productB": "title: heuristic and randomized optimization for the join ordering problem. authors: m steinbrunn , g moerkotte , a kemper. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: implementing database operations using simd instructions. authors: j zhou , k ross. venue: sigmod conference. year: 2002", "productB": "title: implementing database operations using simd instructions. authors: j zhou , ka ross. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: the hbp-tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: vldb. year: 1995", "productB": "title: the hbp-tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: exploiting main memory dbms features to improve real-time concurrency control protocols. authors: \u0436 ulusoy , a buchmann. venue: sigmod record. year: 1996", "productB": "title: exploiting main memory dbms features to improve real-time concurrency control protocols. authors: o ulusoy , a buchmann. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: chorochronos : a research network for spatiotemporal database systems. authors: a frank , s grumbach , r g\u045cting , c jensen , m koubarakis , n lorentzos , y manolopoulos , e nardelli , b pernici , h schek , m scholl , t sellis , b theodoulidis , p widmayer. venue: sigmod record. year: 1999", "productB": "title: chorochronos a research network for spatiotemporal database systems. authors: t sellis\u00e2 ? \u00a6. venue: sigmod record , new york ,. year: nan", "same": true}
+{"productA": "title: xml schema. authors: c campbell , a eisenberg , j melton. venue: sigmod record. year: 2003", "productB": "title: xml schema. authors: gc introduction. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: expiring data in a warehouse. authors: h garcia-molina , w labio , j yang. venue: vldb. year: 1998", "productB": "title: august 1998 . expiring data in a warehouse. authors: h garcia-molina , wj labio , j yang. venue: & hellip ; 24th intl. conference on very large data bases ( vldb\u00e2 ?? 98 ) (. year: nan", "same": true}
+{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: j vitter , m wang. venue: sigmod conference. year: 1999", "productB": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: js vitter. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: the impact of database research on industrial products ( panel summary ). authors: d barbar\u0441 , j blakeley , d fishman , d lomet , m stonebraker. venue: sigmod record. year: 1994", "productB": "title: the impact of database research on industrial products ( panel ). authors: ja blakeley , d fishman , d lomet , m stonebraker. venue: acm sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: metadata for integrating speech documents in a text retrieval system. authors: u glavitsch , p sch\u0444uble , m wechsler. venue: sigmod record. year: 1994", "productB": "title: metadata for integrating speech documents in a text retrieval system. authors: u glavitsch , p schauble , m wechsler. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents efficient and effective clustering methods for spatial data mining\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents. authors: rt ng , j han. venue: proc . 20th int . conf . on very large data bases , morgan & hellip ; ,. year: nan", "same": true}
+{"productA": "title: vist : a dynamic index method for querying xml data by tree structures. authors: h wang , s park , w fan , p yu. venue: sigmod conference. year: 2003", "productB": "title: xml indexing and compression : vist : a dynamic index method for querying xml data by tree structures. authors: h wang , s park , w fan , p yu. venue: proceedings of acm sigmod. year: nan", "same": true}
+{"productA": "title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997", "productB": "title: snestorov , v. vassaios , and r. yerneni . templatebased wrappers in the tsimmis system . in proc . acm. authors: j hammer , m breunig , h garcia-mohna. venue: proc . pdis conf ,. year: nan", "same": true}
+{"productA": "title: the challenge of process data warehousing. authors: m jarke , t list , j k\u0456ller. venue: vldb. year: 2000", "productB": "title: the challenge of process warehousing. authors: m jarke , t list , j koller. venue: proceedings of the 26th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: d gunopulos , g kollios , v tsotras , c domeniconi. venue: sigmod conference. year: 2000", "productB": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: c domeniconi , d gunopulos , g kollios , vj tsotras. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: schemasql-a language for querying and restructuring database systems. authors: lvs lakshmanan , f sadri , in subramanian. venue: proc . int\u00e2 ?? l conf . on very large databases ( vldb\u00e2 ?? 96 ) ,. year: nan", "same": true}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: nan. year: nan", "same": true}
+{"productA": "title: optimal histograms with quality guarantees. authors: h jagadish , n koudas , s muthukrishnan , v poosala , k sevcik , t suel. venue: vldb. year: 1998", "productB": "title: optimal histograms with quality guarantees. authors: smvpk sevcik , hv jagadish , n koudas , t suel. venue: proc . of acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: spatial join selectivity using power laws. authors: c faloutsos , b seeger , a traina , c jr.. venue: sigmod conference. year: 2000", "productB": "title: spatial join selectivity using power laws. authors: c faloutsos , b seeger , a traina. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997", "productB": "title: template-based wrappers in the tsimmis system .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: a vision of management of complex models. authors: p bernstein , a halevy , r pottinger. venue: sigmod record. year: 2000", "productB": "title: a vision of management of complex models. authors: pa bernstein , r pottinger. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: optimizing relational queries in connection hypergraphs : nested queries , views , and binding propagations. authors: j han. venue: vldb j.. year: 1998", "productB": "title: optimizing relational queries in connection hypergraphs : nested queries , views , and binding. authors: jl han. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: incomplete path expressions and their disambiguation. authors: y ioannidis , y lashkari. venue: sigmod conference. year: 1994", "productB": "title: incomplete path expressions and their disambiguation. authors: ye ioannidis. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: sigmod conference. year: 1998", "productB": "title: on parallel processing of aggregate and scalar function in object-relational dbms. authors: m jaedicke , b mitschang. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: mining multiple-level association rules in large databases. authors: j han , y fu. venue: nan. year: nan", "same": true}
+{"productA": "title: clustering validity checking methods : part ii. authors: m halkidi , y batistakis , m vazirgiannis. venue: sigmod record. year: 2002", "productB": "title: clustering validity checking methods : part ii. authors: m halkidi , y batistakis. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: the samos active dbms prototype. authors: s gatziu , a geppert , k dittrich. venue: sigmod conference. year: 1995", "productB": "title: the samos active dbms prototype ( demonstration ). authors: s gatziu , a geppert , kr dittrich. venue: proc . acm sigmod int\u00e2 ?? l conf . on management of. year: nan", "same": true}
+{"productA": "title: the bucky object-relational benchmark ( experience paper ). authors: m carey , d dewitt , j naughton , m asgarian , p brown , j gehrke , d shah. venue: sigmod conference. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?the bucky object relational benchmark , ''. authors: mj carey , dj dewitt , jf naughton , m asgarian , p. venue: proceedings of the sigmod conference on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: holistic twig joins : optimal xml pattern matching. authors: n bruno , n koudas , d srivastava. venue: sigmod conference. year: 2002", "productB": "title: andd . srivastava . holistictwigjoins : optimalxmlpatternmatching. authors: n bruno , n koudas. venue: proc . of the acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: datablitz storage manager : main memory database performance for critical applications. authors: j baulier , p bohannon , s gogate , c gupta , s haldar , s joshi , a khivesera , h korth , p mcilroy , j miller , p narayan , m nemeth , r rastogi , s seshadri , a silberschatz , s sudarshan , m wilder , c wei. venue: sigmod conference. year: 1999", "productB": "title: datablitz storage manager : main memory database performance for critical applications. authors: j baulier , p bohannon , s gogate , c gupta , s haldar. venue: proc . of the acm sigmod int\u00e2 ?? l. conf . on the management of & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: an extendible hash for multi-precision similarity querying of image databases. authors: s lin , m \u0436zsu , v oria , r ng. venue: vldb. year: 2001", "productB": "title: an extendible hash for multi-precision similarity querying of image databases. authors: s lin , v oria , r ng. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: nan. venue: nan. year: 2003", "productB": "title: report on the 5 thinternational workshop on the design and management of data warehouses ( dmdw\u00e2 ?? 03 ). authors: hj lenz , p vassiliadis , m jeusfeld , m staudt. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: idea : interactive data exploration and analysis. authors: p selfridge , d srivastava , l wilson. venue: sigmod conference. year: 1996", "productB": "title: idea : interactive data exploration and analysis. authors: pg selfridge , d srivastava , lo wilson. venue: nan. year: nan", "same": true}
+{"productA": "title: processing star queries on hierarchically-clustered fact tables. authors: n karayannidis , a tsois , t sellis , r pieringer , v markl , f ramsak , r fenk , k elhardt , r bayer. venue: vldb. year: 2002", "productB": "title: processing star queries on hierarchically-clustered fact tables. authors: n karayannidis , a tsois , tk sellis , r pieringer , v. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining generalized association rules . [ p : 407 ] in : proceedings of the 21 stvery large data bases. authors: r srikant , r agrawal. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: evaluating probabilistic queries over imprecise data. authors: r cheng , d kalashnikov , s prabhakar. venue: sigmod conference. year: 2003", "productB": "title: evaluating probabilistic queries over imprecise data. authors: r cheng , dv kalashnikov , s prabhakar. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: the p operator : discovering and ranking associations on the semantic web. authors: k anyanwu , a sheth. venue: sigmod record. year: 2002", "productB": "title: the \u00ef ? operator : discovering and ranking associations. authors: k anyanwu , a sheth. venue: nan. year: nan", "same": true}
+{"productA": "title: multi-dimensional regression analysis of time-series data streams. authors: y chen , g dong , j han , b wah , j wang. venue: vldb. year: 2002", "productB": "title: multi-dimensional regression analysis of time-series data streams. authors: y chen , g dong , j han , bw wah , j wang. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k kanth , d agrawal , a singh. venue: sigmod conference. year: 1998", "productB": "title: dimensionality reduction for similarity searching in dynamic databases. authors: kvr kanth , d agrawal. venue: computer vision and image understanding ,. year: 1999.0", "same": true}
+{"productA": "title: maintenance of data cubes and summary tables in a warehouse. authors: i mumick , d quass , b mumick. venue: sigmod conference. year: 1997", "productB": "title: maintenance of data cubes and summary tables in a warehouse. authors: ismd quass , bs mumick. venue: i > proc . acm sigmod int &#39; l conf . management of data , < / i ,. year: 1997.0", "same": true}
+{"productA": "title: research issues in databases for arcs : active rapidly changing data systems. authors: a datta. venue: sigmod record. year: 1994", "productB": "title: research issues in databases for active rapidly changing data systems arcs. authors: a datta. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: a super scalar sort algorithm for risc processors. authors: r agarwal. venue: sigmod conference. year: 1996", "productB": "title: a super scalar sort algorithm for risc urocessors. authors: ca lami ramesh. venue: proc . sigmod intl. conf : on manag\u00e2 ?? ement of data ,. year: nan", "same": true}
+{"productA": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: m carey , j kiernan , j shanmugasundaram , e shekita , s subramanian. venue: vldb. year: 2000", "productB": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: mj carey , j kiernan , j shanmugasundaram , ej. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: querying heterogeneous information sources using source descriptions. authors: y alon , ar levy , jo joann. venue: the proc . of the int . conf . on very large data bases ( vldb ) , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: plan-per-tuple optimization solution - parallel execution of expensive user-defined functions. authors: f cari\u0451o , w o'connell. venue: vldb. year: 1998", "productB": "title: plan-per-tuple optimization solution\u00e2 ?? parallel execution of user defined functions. authors: f carino , wo\u00e2 ?? connell. venue: proceedings of the vldb conf ,. year: nan", "same": true}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: a query language and optimization techniques for unstructured data . university of pennsylvania ,. authors: p buneman , s davidson , g hillebrand , d suciu. venue: technical report ms-cis 96-09 ,. year: nan", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: don\u00e2 ?? t scrap it , wrap it ! a wrapper architecture for data sources. authors: mt roth , p schwarz. venue: proceedings of the 23rd vldb. year: nan", "same": true}
+{"productA": "title: opossum : desk-top schema management through customizable visualization. authors: e haber , y ioannidis , m livny. venue: vldb. year: 1995", "productB": "title: opossum : desk-top schema management through customizable visualization. authors: em haber , ye ioannidis , m livny. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: optics : ordering points to identify the clustering structure. authors: m ankerst , m breunig , h kriegel , j sander. venue: sigmod conference. year: 1999", "productB": "title: ordering points to identify the clustering structure proc. authors: m ankerst , mm breunig , hp kriegel , js optics. venue: acm. year: nan", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: an efficient clustering algorithm for large databases. authors: s guha , r rastogi , kc shim. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: discover : keyword search in relational databases. authors: v hristidis , y papakonstantinou. venue: vldb. year: 2002", "productB": "title: discover : keyword search in relational databases in proceedings of the international conference on. authors: v hristidis , y papakonstantinou. venue: hang kong , china ,. year: nan", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: fastmap : a fast algorithm for indexing. authors: c faloutsos , ki lin. venue: data-mining and visualization of traditional and multimedia & hellip ; ,. year: nan", "same": true}
+{"productA": "title: disseminating updates on broadcast disks. authors: s acharya , m franklin , s zdonik. venue: vldb. year: 1996", "productB": "title: disseminating updates on broadcast disks. authors: s acharya , mj franklin , s zdonik. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: supporting frequent updates in r-trees : a bottom-up approach. authors: m lee , w hsu , c jensen , b cui , k teo. venue: vldb. year: 2003", "productB": "title: supporting frequent updates in r-trees : a bottom-up approach. authors: ml lee , w hsu , cs jensen , b cui , kl teo. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan , j han , a pang. venue: sigmod conference. year: 1998", "productB": "title: et ai . exploratory mining and pruning optimizations of constrained associations rules. authors: nrl lvs , j han. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: an overview of data warehousing and olap technology .. authors: s chaudhri , u dayal. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: a. , gray , j. , slutz , d. , and brunner , rj : designing and mining multi-terabyte astronomy archives :. authors: as szalay , pt kunszt. venue: sigmod 2000 conference ,. year: nan", "same": true}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: zaniolo . temporal aggregation in activedatabase rules. authors: i motakis andc. venue: acm intl. conference on management of data. year: nan", "same": true}
+{"productA": "title: a quantitative analysis and performance study for similarity-search methods in high-dimensional spaces. authors: r weber , h schek , s blott. venue: vldb. year: 1998", "productB": "title: quantitative analysis and performance study for similaritysearch methods in high-dimensional spaces. authors: r weber , hj schek , s blott. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: storage and retrieval of xml data using relational databases. authors: nan. venue: nan. year: 2001", "productB": "title: storage and retrieval of xml data using relational databases. authors: s chaudhuri , k shim. venue: data engineering , 2003 . proceedings . 19th international & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: computing capabilities of mediators. authors: r yerneni , c li , h garcia-molina , j ullman. venue: sigmod conference. year: 1999", "productB": "title: extended version : computing capabilities of mediators . www-db. authors: r yerneni , c li\u00e2 ? \u00a6. venue: stanford . edu yernenipubsccmev .. year: nan", "same": true}
+{"productA": "title: storage service providers : a solution for storage management ? ( panel ). authors: b \u0436zden , e gabber , b hillyer , w ng , e shriver , d dewitt , b gordon , j gray , j wilkes. venue: vldb. year: 2001", "productB": "title: storage service providers : a solution for storage management ? ( panel ). authors: b \u00e3?zden , e gabber , b hillyer , wt ng , eam shriver ,. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: real business processing meets the web. authors: j chong. venue: sigmod conference. year: 1998", "productB": "title: real business processing meets the web. authors: j chong. venue: nan. year: nan", "same": true}
+{"productA": "title: research in information managment at dublin city university. authors: m roantree , a smeaton. venue: sigmod record. year: 2002", "productB": "title: research in information managment at dublin city university. authors: mraf smeaton. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: rule languages and internal algebras for rule-based optimizers. authors: m cherniack , s zdonik. venue: sigmod conference. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?rule languages and internal algebras for rule-based optimizers , ''. authors: m cherniak , sb zdonik. venue: proceedings of the sigmodconference on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: reasoning about spatial relationships in picture retrieval systems. authors: a sistla , c yu , r haddad. venue: vldb. year: 1994", "productB": "title: reasoning about qualitative spatial relationships. authors: ap sistla , c yu. venue: journal of automated reasoning ,. year: 2000.0", "same": true}
+{"productA": "title: discovering web services : an overview. authors: v draluk. venue: vldb. year: 2001", "productB": "title: discovering web services : an overview. authors: v draluk. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: using schema matching to simplify heterogeneous data translation. authors: t milo , s zohar. venue: vldb. year: 1998", "productB": "title: using schema matching to simplify heterogeneous data translation. authors: t milo , s zohar. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: rainbow : mapping-driven xquery processing system. authors: x zhang , m mulchandani , s christ , b murphy , e rundensteiner. venue: sigmod conference. year: 2002", "productB": "title: rainbow : mapping-driven xquery processing system. authors: x zhang , m mulchandani , s christ , b murphy , ea. venue: nan. year: nan", "same": true}
+{"productA": "title: socqet : semantic olap with compressed cube and summarization. authors: l lakshmanan , j pei , y zhao. venue: sigmod conference. year: 2003", "productB": "title: socqet : semantic olap with compressed cube and summarization ( demo paper ) in. authors: l lakshmanan , j pei , y zhao. venue: nan. year: nan", "same": true}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2003", "productB": "title: guest editor 's introduction. authors: k aberer. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: schemasql-a language for interoperability in relational multi-database systems. authors: f sadri , in subramanian , lvs lakshmanan. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: fault-tolerant architectures for continuous media servers. authors: b \u0436zden , r rastogi , p shenoy , a silberschatz. venue: sigmod conference. year: 1996", "productB": "title: fault-tolerant architectures for continuous media servers. authors: , r rastogi , pj shenoy , a silberschatz. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: understanding the global semantics of referential actions using logic rules. authors: w may , b lud\u0444scher. venue: acm trans . database syst .. year: 2002", "productB": "title: understanding the global semantics of referential actions using logic rules. authors: w may , b ludascher. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: microsoft index tuning wizard forsql server 7.0. authors: s chaudhuri , vr narasayya. venue: proc . of sigmod ,. year: nan", "same": true}
+{"productA": "title: self-tuning histograms : building histograms without looking at data. authors: a aboulnaga , s chaudhuri. venue: sigmod conference. year: 1999", "productB": "title: self-tuning histograms : building histograms without looking at data. authors: aa ac , s chaudhuri. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: a hinneburg , d keim , m wawryniuk. venue: sigmod conference. year: 2002", "productB": "title: hdeye : visual mining of highdimensional data ( demo ). authors: a hinneburg , da keim , m wawryniuk. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: an adaptive query execution system for data integration. authors: z ives , d florescu , m friedman , a levy , d weld. venue: sigmod conference. year: 1999", "productB": "title: d. florescu , m. friedmain , a. levy , ds weld , an adaptive query execution system for data integration. authors: zg ives. venue: proc . of the/999 acm. year: nan", "same": true}
+{"productA": "title: towards a cooperative transaction model - the cooperative activity model. authors: m rusinkiewicz , w klas , t tesch , j w\u0444sch , p muth. venue: vldb. year: 1995", "productB": "title: towards a cooperative transaction model-the cooperative activity model. authors: m rusinkiewicz , w klas , t tesch , j waesch , p muth. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: f korn , h jagadish , c faloutsos. venue: sigmod conference. year: 1997", "productB": "title: faloutsos . c. ( 1997 ) . efficiently supporting ad hoc queries in large datasets of time sequences. authors: f korn , h jagadish. venue: proceedings. year: nan", "same": true}
+{"productA": "title: view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina , j hammer , j widom. venue: sigmod conference. year: 1995", "productB": "title: j , hammer , j. widom . view maintenance in a warehousing environment. authors: y zhuge , h garcia-molina. venue: proc . of the acm sigmod intl. conf . on management of. year: nan", "same": true}
+{"productA": "title: new tpc benchmarks for decision support and web commerce. authors: m p\u0456ss , c floyd. venue: sigmod record. year: 2000", "productB": "title: new tpc benchmarks for decision support and web commerce. authors: gc introduction. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: the gmap : a versatile tool for physical data independence. authors: o tsatalos , m solomon , y ioannidis. venue: vldb j.. year: 1996", "productB": "title: the gmap : a versatile tool for physical data independence. authors: og tsatalos , mh solomon , ye ioannidis. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: n mamoulis , d papadias. venue: sigmod conference. year: 1999", "productB": "title: integration of spatial join algorithms for joining multiple inputs. authors: n mamoulis , d papadias. venue: proc . sigmod intl. conf . on management of data ,. year: 1999.0", "same": true}
+{"productA": "title: an orthogonally persistent java. authors: m atkinson , l dayn\u0448s , m jordan , t printezis , s spence. venue: sigmod record. year: 1996", "productB": "title: an orthogonally persistent java . number 1. authors: mp atkinson , l daynes , mj jordan , t printezis , s. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: load shedding in a data stream manager. authors: n tatbul , u \u0447etintemel , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: load shedding in a data stream manager. authors: n tatbul , u cetintemel , s zdonik , m cherniack , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: staggered striping in multimedia information systems. authors: s berson , s ghandeharizadeh , r muntz , x ju. venue: sigmod conference. year: 1994", "productB": "title: andx . ju . staggered striping in multimediainformation systems. authors: s berson , s ghandeharizadeh , r muntz. venue: proc . of acm sigmod , pages79-60 , minnesota , usa , june ,. year: nan", "same": true}
+{"productA": "title: epsilon grid order : an algorithm for the similarity join on massive high-dimensional data. authors: c b\u0456hm , b braunm\u045cller , f krebs , h kriegel. venue: sigmod conference. year: 2001", "productB": "title: epsilon grid order : an algorithm for the similarity join on massive high-dimensional data. authors: c boehm , b braunmueller , f krebs , hp kriegel. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: magic conditions. authors: i mumick , s finkelstein , h pirahesh , r ramakrishnan. venue: acm trans . database syst .. year: 1996", "productB": "title: r. ramakrishnan , magic conditions. authors: is mfpr , sj mumick , hp finkelstein. venue: proc . 9th pods ,. year: nan", "same": true}
+{"productA": "title: report on the fourth international conference on flexible query answering systems. authors: nan. venue: nan. year: 2001", "productB": "title: report on the fourth international conference on flexible query answering systems ( fqas 2000 ). authors: p bosc , a motro , g pasi. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: hot mirroring : a study to hide parity upgrade penalty and degradations during rebuilds for raid5. authors: k mogi , m kitsuregawa. venue: sigmod conference. year: 1996", "productB": "title: hot mirroring : a method of hiding parity update and degradation during rebuilds for raid 5. authors: k mogi , m kitsuregawa. venue: & hellip ; of acmsigmod 1996 international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: replication , consistency , and practicality : are these mutually exclusive ?. authors: t anderson , y breitbart , h korth , a wool. venue: sigmod conference. year: 1998", "productB": "title: replication , consistency , and practicality : are these mutually exclusive ?. authors: t anderson , y breitbart , hf korth , a wool. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: a poulovassilis , c small. venue: vldb. year: 1994", "productB": "title: investigation of algebraic query optimisation for database programming languages. authors: a poulovassilis , c small. venue: proceedings of the 20th int\u00e2 ?? l conference on very large. year: nan", "same": true}
+{"productA": "title: change detection in hierarchically structured information. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: sigmod conference. year: 1996", "productB": "title: change detection in hierarchically structured information . available by anonymous ftp from db. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: silkroute : a framework for publishing relational data in xml. authors: m fernandez , y kadiyska , d suciu , a morishima , w tan. venue: acm trans . database syst .. year: 2002", "productB": "title: silkroute : a framework for publishing relational data in xml. authors: m fernandez , y kadiyska , d suciu , a morishima , wc. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: a case for fractured mirrors. authors: r ramamurthy , d dewitt , q su. venue: vldb j.. year: 2003", "productB": "title: de-witt . a case for fractured mirrors. authors: qsr ramamurthy , j david. venue: proc . vldb , hong kong ,. year: nan", "same": true}
+{"productA": "title: seeking the truth about ad hoc join costs. authors: l haas , m carey , m livny , a shukla. venue: vldb j.. year: 1997", "productB": "title: seeking the truth about ad hoc join costs. authors: lm haas , mj carey , m livny , a shukla. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: a logical view of structured files. authors: s abiteboul , s cluet , t milo. venue: vldb j.. year: 1998", "productB": "title: a logical view of structured files. authors: s abiteboul , s cluet , t milo. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: experiences in federated databases : from iro-db to miro-web. authors: p fankhauser , g gardarin , m lopez , j mu\u0451oz , a tomasic. venue: vldb. year: 1998", "productB": "title: experiences in federated databases : from iro-db to miro-web. authors: p fankhauser , g gardarin. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: sigmod conference. year: 1998", "productB": "title: pm deshpande , jf naughton , a. shukla , \u00e2 ?? simultaneous optimization and evaluation of multiple. authors: y zhao. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j chaudhary , g karvelis , s sou. venue: sigmod conference. year: 1994", "productB": "title: the ores temporal database management system. authors: b theodoulidis , a ait-braham , g andrianopoulos , j. venue: proc . acm sigmod int &#39; l conf . management of. year: nan", "same": true}
+{"productA": "title: adaptable similarity search using non-relevant information. authors: t ashwin , r gupta , s ghosal. venue: vldb. year: 2002", "productB": "title: adaptable similarity search using non-relevant information. authors: tv ashwin , r gupta , s ghosal. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: semantic video indexing : approach and issue. authors: a hampapur. venue: sigmod record. year: 1999", "productB": "title: semantic video indexing : approach and issue .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: d shasha , p bonnet. venue: vldb. year: 2002", "productB": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: de shasha , p bonnet\u00e2 ? \u00a6. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: javax.xxl : a prototype for a library of query processing algorithms. authors: j bercken , j dittrich , b seeger. venue: sigmod conference. year: 2000", "productB": "title: java . xxl : a prototype for a library of query processing algorithms. authors: j van den bercken , jp dittrich , b seeger. venue: international conference on management of. year: nan", "same": true}
+{"productA": "title: structural matching and discovery in document databases. authors: j wang , d shasha , g chang , l relihan , k zhang , g patel. venue: sigmod conference. year: 1997", "productB": "title: structural matching and discovery in document databases .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: query engines for web-accessible xml data. authors: l fegaras , r elmasri. venue: vldb. year: 2001", "productB": "title: query engines for web-accessible xml data. authors: l fegaras , r elmasri. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset counting and implication rules for retail data. authors: s brin , r motwani , jd ullman\u00e2 ? \u00a6. venue: proc . of the acm sigmod int\u00e2 ?? l conf . on management of. year: nan", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: generalizing gloss to vector-space databases and broker hierarchies , 1995. authors: l gravano. venue: nan. year: nan", "same": true}
+{"productA": "title: gembase : a geometric mediator for brain analysis with surface ensembles. authors: s santini , a gupta. venue: vldb. year: 2002", "productB": "title: gembase : a geometric mediator for brain analysis with surface ensembles. authors: s santini , a gupta. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: xml and information retrieval : a sigir 2000 workshop. authors: nan. venue: nan. year: 2001", "productB": "title: xml and information retrieval : a sigir 2000 workshop. authors: d carmel , y maarek , a soffer. venue: sigir forum ,. year: 2000.0", "same": true}
+{"productA": "title: a survey of logical models for olap databases. authors: p vassiliadis , t sellis. venue: sigmod record. year: 1999", "productB": "title: t. : '' a survey on logical models for olap databases. authors: ps vassiliadis. venue: technical report , dwq , ntua , greece ,. year: nan", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the x-tree : an index structure for highdimensional data . 2 & nd vldb. authors: s berchtold , da keim , hp kriegel. venue: mumbai ( bombay ) , india , sept ,. year: nan", "same": true}
+{"productA": "title: high level indexing of user-defined types. authors: w chen , j chow , y fuh , j grandbois , m jou , n mattos , b tran , y wang. venue: vldb. year: 1999", "productB": "title: high level indexing of user-defined types. authors: w chen , jh chow , yc fuh , j grandbois , m jou , nm. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: middle-tier database caching for e-business. authors: q luo , s krishnamurthy , c mohan , h pirahesh , h woo , b lindsay , j naughton. venue: sigmod conference. year: 2002", "productB": "title: middle-tier database caching for e-business. authors: q luo , s krishnamurthy , c mohan , h pirahesh , h woo. venue: nan. year: nan", "same": true}
+{"productA": "title: panel : is generic metadata management feasible ?. authors: p bernstein , l haas , m jarke , e rahm , g wiederhold. venue: vldb. year: 2000", "productB": "title: is genericmetadata management feasible ? paneloverview. authors: pa bernstein. venue: proc26thintconfonvery large data bases ,. year: nan", "same": true}
+{"productA": "title: optimal multi-step k-nearest neighbor search. authors: t seidl , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: optimal multi-step k-nearest neighbour queries. authors: t seidl , hp kriegel. venue: proceedings of the 1997 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation. authors: h jiawei , p jian , y yiwen. venue: nan. year: nan", "same": true}
+{"productA": "title: adapting materialized views after redefinitions. authors: a gupta , i mumick , k ross. venue: sigmod conference. year: 1995", "productB": "title: adapting materialized views after redefinitions : techniques and a performance study. authors: a gupta , is mumick , j rao , ka ross. venue: nan. year: nan", "same": true}
+{"productA": "title: the bucky object-relational benchmark ( experience paper ). authors: m carey , d dewitt , j naughton , m asgarian , p brown , j gehrke , d shah. venue: sigmod conference. year: 1997", "productB": "title: the bucky object-relational benchmark. authors: mj carey. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb j.. year: 2001", "productB": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: monitoring streams - a new class of data management applications. authors: d carney , u \u0447etintemel , m cherniack , c convey , s lee , g seidman , m stonebraker , n tatbul , s zdonik. venue: vldb. year: 2002", "productB": "title: monitoring streams - a new class of data management applications. authors: d carney , u cetintemel , m cherniack , c convey , s. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb. year: 1999", "productB": "title: probabilistic optimization of top n queries. authors: ddr ramakrishnan. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: data mining with optimized two-dimensional association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: acm trans . database syst .. year: 2001", "productB": "title: data mining using two-dimensional optimized association rules for numeric data : scheme , algorithms ,. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: s chaudhuri , g das , v narasayya. venue: sigmod conference. year: 2001", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: s chaudhuri , g das , v narasayya. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: mendelzon . database techniques for the world-w ide-wide : a survey. authors: d florescu , a levy. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: dynamic resource brokering for multi-user query execution. authors: d davison , g graefe. venue: sigmod conference. year: 1995", "productB": "title: dynamic resource allocation for multi-user query execution. authors: dl davison. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: preservation of digital data with self-validating , self-instantiating knowledge-based archives. authors: b lud\u0444scher , r marciano , r moore. venue: sigmod record. year: 2001", "productB": "title: special section on advanced xml data processing : preservation of digital data with self-validating ,. authors: b ludasher , r marciano , r moore. venue: acm sigmod record , september ,. year: nan", "same": true}
+{"productA": "title: the query optimizer in tandem 's new serverware sql product. authors: p celis. venue: vldb. year: 1996", "productB": "title: the query optimizer in tandem 's new serverware sql product. authors: p celis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: critical database technologies for high energy physics. authors: d malon , e may. venue: vldb. year: 1997", "productB": "title: critical database technologies for high energy physics. authors: dm malon , en may. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: efficient structural joins on indexed xml documents. authors: s chien , z vagena , d zhang , v tsotras , c zaniolo. venue: vldb. year: 2002", "productB": "title: efficient structural joins on indexed xml documents. authors: sy chien , z vagena , d zhang , vj tsotras , c zaniolo. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: tigukat : a uniform behavioral objectbase management system. authors: m \u0436zsu , r peters , d szafron , b irani , a lipka , a mu\u0451oz. venue: vldb j.. year: 1995", "productB": "title: munoza ( 1995 ) tigukat : a uniform behavioral objectbase management. authors: mt \u00e3?zsu , rj peters , d szafron , b irani , a lipka. venue: vldb. year: nan", "same": true}
+{"productA": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data ( keynote ). authors: nan. venue: nan. year: 2000", "productB": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data (. authors: ma lane , jl edwards , e nielsen. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient method for very large databases. authors: t zhang , r ramakrishnman , m linvy. venue: acm. year: nan", "same": true}
+{"productA": "title: random sampling for histogram construction : how much is enough ?. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: using random sampling for histogram construction : how much is enough. authors: s chaudhuri , r motwani , v narassaya. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: query caching and optimization in distributed mediator systems. authors: , ks candan , y papakonstantinou , vs subrahmanian. venue: proc . of the 1996 sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for largr databases , proceedings of acm sigmod international. authors: s guha , r rastogi , k shim. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: data integration and warehousing in telecom italia. authors: s trisolini , m lenzerini , d nardi. venue: sigmod conference. year: 1999", "productB": "title: data integration and warehousing in telecom italia. authors: s trisolini. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: ariadne : a system for constructing mediators for internet sources. authors: j ambite , n ashish , g barish , c knoblock , s minton , p modi , i muslea , a philpot , s tejada. venue: sigmod conference. year: 1998", "productB": "title: . and sheila tejada . ariadne : a system for constructing mediators for internet sources ( system. authors: jl ambite , n ashish , g barish. venue: proc . of a cm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: query optimization for selections using bitmaps. authors: m wu. venue: sigmod conference. year: 1999", "productB": "title: query optimization for selections using bitmaps , sigmod 1999. authors: m wu. venue: proceedings acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the strip rule system for efficiently maintaining derived data. authors: b adelberg , h garcia-molina , j widom. venue: sigmod conference. year: 1997", "productB": "title: the strip rule system for efficiently maintaining derived data. authors: b adelberg , h garcia-molina , j widom. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: improved query performance with variant indexes. authors: p o'neil , d quass. venue: sigmod conference. year: 1997", "productB": "title: improved query performance with variant indices. authors: po\u00e2 ?? neill , d quass. venue: proceedings of sigmod conference ,. year: nan", "same": true}
+{"productA": "title: cluster validity methods : part i. authors: m halkidi , y batistakis , m vazirgiannis. venue: sigmod record. year: 2002", "productB": "title: cluster validity methods : part i. authors: m halkidi , y batistakis , m vazirgiannis. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: push technology personalization through event correlation. authors: a adi , d botzer , o etzion , t yatzkar-haham. venue: vldb. year: 2000", "productB": "title: push technology personalization through event correlation , demo , proceed. authors: a adi , d botzer , o etzion , t yatzkar-haham. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: skew handling techniques in sort-merge join. authors: w li , d gao , r snodgrass. venue: sigmod conference. year: 2002", "productB": "title: skew handling techniques in sort-merge join. authors: w li , d gao , rt snodgrass. venue: nan. year: nan", "same": true}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: query by image content : the qbic system. authors: m flickner , h sawhney , w niblack , j ashley , q. venue: ieee computer ,. year: nan", "same": true}
+{"productA": "title: workflow automation : applications , technology , and research ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: workflow automation : applications , technology and research : tutorial notes. authors: a sheth. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , jd ullman. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: adapting materialized views after redefinitions. authors: a gupta , i mumick , k ross. venue: sigmod conference. year: 1995", "productB": "title: rossk ( 1995 ) adaptingmaterializedviews after redefinition. authors: mi guptaa. venue: nan. year: nan", "same": true}
+{"productA": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: y moon , k whang , w han. venue: sigmod conference. year: 2002", "productB": "title: general match : a subsequence matching method in time-series databases based on generalized windows. authors: ys moon , ky whang , ws han. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: fast incremental maintenance of approximate histograms. authors: p gibbons , y matias , v poosala. venue: acm trans . database syst .. year: 2002", "productB": "title: fast incremental maintenance of approximate histograms. authors: pb gibbons , y matias , v poosala. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: petabyte databases. authors: nan. venue: nan. year: 1999", "productB": "title: petabyte databases. authors: d duellmann. venue: nan. year: nan", "same": true}
+{"productA": "title: mindreader : querying databases through multiple examples. authors: y ishikawa , r subramanya , c faloutsos. venue: vldb. year: 1998", "productB": "title: mindreader : querying databases through multiple examples. authors: y ishikawa , r subramanya , c faloutsos. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: minimization of tree pattem queries. authors: sa yahia , s cho , lvs lakshmanan\u00e2 ? \u00a6. venue: proc of the acm sigmod. year: nan", "same": true}
+{"productA": "title: performance measurements of tertiary storage devices. authors: t johnson , e miller. venue: vldb. year: 1998", "productB": "title: l. miller , \u00e2 ?? performancemeasurementsoftertiarystoragedevices , \u00e2 ?? inproc. authors: t johnsonande. venue: 24thinternational conference on very large data bases , ( vldb ) & hellip ; ,. year: nan", "same": true}
+{"productA": "title: reordering query execution in tertiary memory databases. authors: s sarawagi , m stonebraker. venue: vldb. year: 1996", "productB": "title: reordering query execution in tertiary memory databases. authors: ssm stonebraker. venue: proc . int\u00e2 ?? l conf . on vldb ,. year: nan", "same": true}
+{"productA": "title: sql standardization : the next steps. authors: a eisenberg , j melton. venue: sigmod record. year: 2000", "productB": "title: sql standardization : the next steps .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: quantifiable data mining using ratio rules. authors: f korn , a labrinidis , y kotidis , c faloutsos. venue: vldb j.. year: 2000", "productB": "title: quantifiable data mining using ratio rules. authors: f korn , a labrinidis , y kotidis , c faloutsos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: performance of data-parallel spatial operations. authors: e hoel , h samet. venue: vldb. year: 1994", "productB": "title: performance of data-parallel spat ial operations. authors: eg hoelt , h samet. venue: nan. year: nan", "same": true}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: d technologies. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: picodbms : validation and experience. authors: n anciaux , c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2001", "productB": "title: picodbms : validation and experience ' . 27th int. authors: n anciaux , c bobineau , l bouganim , p pucheral , p. venue: conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look. authors: nan. venue: nan. year: 2002", "productB": "title: query and mining data streams : you only get one look , in \u00e2 ?? vldb\u00e2 ?? 02. authors: m garofalakis , j gehrke , r rastogi. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: und narasayya , vr : automated selection of materialized views and indexes for sql databases. authors: s agrawal , s chaudhuri. venue: proceedings of 26th international conference on very large. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining quantitative association rules. authors: r srikant , r agrawal. venue: proceedings of the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: new tpc benchmarks for decision support and web commerce. authors: m p\u0456ss , c floyd. venue: sigmod record. year: 2000", "productB": "title: new tpc benchmarks for decision support and web commerce. authors: m poess , c floyd. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: compressed accessibility map : efficient access control for xml. authors: t yu , d srivastava , l lakshmanan , h jagadish. venue: vldb. year: 2002", "productB": "title: compressed accessibility map : efficient access control for xml. authors: h jagadish , lv lakshmanan , d srivastava , t yu. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: optimization in distributed mediator systems. authors: s adali , ks candan , y papakonstantinou , vs. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look a tutorial. authors: nan. venue: nan. year: 2002", "productB": "title: query and mining data streams : you only get one look , in \u00e2 ?? vldb\u00e2 ?? 02. authors: m garofalakis , j gehrke , r rastogi. venue: proceedings of the 25th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: walking through a very large virtual environment in real-time. authors: l shou , j chionh , z huang , y ruan , k tan. venue: vldb. year: 2001", "productB": "title: walking through a very large virtual environment in real-time. authors: l shou , j chionh , z huang , y ruan , kl tan. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: electronic market : the roadmap for university libraries and members to survive in the information jungle. authors: m christoffel , s pulkowski , b schmitt , p lockemann. venue: sigmod record. year: 1998", "productB": "title: electronic market : the roadmap for university libraries and members to survive in the information. authors: m christoffel , s pulkowski , b schmitt , pc. venue: acm sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: neurorule : a connectionist approach to data mining. authors: h lu , r setiono , h liu. venue: vldb. year: 1995", "productB": "title: neurorule : a connectionist approach to data mining. authors: h lu , r setiono , h liu. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: semantic compression and pattern extraction with fascicles. authors: h jagadish , j madar , r ng. venue: vldb. year: 1999", "productB": "title: semantic compression and pattern extraction with fascicles. authors: rt ng , hv jagadish , j madar. venue: proc int conf on very large databases ,. year: nan", "same": true}
+{"productA": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , c kanne , g moerkotte , j neumann , r schiele , t westmann. venue: vldb j.. year: 2002", "productB": "title: anatomy of a native xml base management system. authors: t fiebig , s helmer , cc kanne , g moerkotte , j. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: schema mapping as query discovery. authors: rj miller , lm haas , ma hern\u00e3 \u00a1 ndez. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: fast nearest neighbor search in medical image databases. authors: f korn , n sidiropoulos , c faloutsos , e siegel , z protopapas. venue: vldb. year: 1996", "productB": "title: fast nearest neighbor search in medical image databases. authors: f korn , c faloutsos , e siegel , z protopapas. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: a study on data point search for hg-trees. authors: j kuan , p lewis. venue: sigmod record. year: 1999", "productB": "title: a study on data point search for hg-trees. authors: j kuan , p lewis. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: ands . ramaswamy . selectivity estimation in spatial databases. authors: s acharya , v poosala. venue: proceedings acm sigmod conference on management of data ,. year: nan", "same": true}
+{"productA": "title: agent-based semantic interoperability in infosleuth. authors: j fowler , b perry , m nodine , b bargmeyer. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth. authors: t austin , b bargmeyer , ep agency. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: influence sets based on reverse nearest neighbor queries. authors: f korn , s muthukrishnan. venue: sigmod conference. year: 2000", "productB": "title: influence sets based on reverse nearest neighbor queries. authors: f korn , s muthukrishnan. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: monitoring xml data on the web. authors: b nguyen , s abiteboul , g cobena , m preda. venue: sigmod conference. year: 2001", "productB": "title: data on the web\u00e2 ''. authors: b nguyen , s abiteboul , g cobena , m preda , xml. venue: proceedings of the acm-sigmod ,. year: nan", "same": true}
+{"productA": "title: a logical view of structured files. authors: s abiteboul , s cluet , t milo. venue: vldb j.. year: 1998", "productB": "title: a logical view of structured les. authors: s abiteboul , s cluet , t milo. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: analysis of existing databases at the logical level : the dba companion project. authors: f marchi , s lopes , j petit , f toumani. venue: sigmod record. year: 2003", "productB": "title: analysis of databases at the logical level : the dba compagnon project. authors: f de marchi , s lopes , jm petit , f toumani. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: concurrency and recovery in generalized search trees. authors: m kornacker , c mohan , j hellerstein. venue: sigmod conference. year: 1997", "productB": "title: concurrency and recovery in generalized search trees. authors: m kornacker. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: developing a high traffic , read-only web site. authors: j nauman , r suorsa. venue: sigmod conference. year: 1998", "productB": "title: developing a high traffic , read-only web site. authors: j nauman , r suorsa. venue: nan. year: nan", "same": true}
+{"productA": "title: state of the art in workflow management research and products. authors: nan. venue: nan. year: 1996", "productB": "title: state of the art in workflow management system research and products. authors: c mohan. venue: & hellip ; : nato advanced study institute ( asi ) on workflow management. year: nan", "same": true}
+{"productA": "title: v-trees - a storage method for long vector data. authors: m mediano , m casanova , m dreux. venue: vldb. year: 1994", "productB": "title: v-trees-a storage method for long vector data. authors: mr mediano. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: comparative analysis of six xml schema languages. authors: d lee , w chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of six xml schema languages . cf. authors: d lee , w chu. venue: nan. year: nan", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: to weave the web . vldb\u00e2 ?? 97. authors: p atzeni , g mecca , p merialdo. venue: proceedings of 23rd international conference on very large. year: nan", "same": true}
+{"productA": "title: leo - db2 's learning optimizer. authors: m stillger , g lohman , v markl , m kandil. venue: vldb. year: 2001", "productB": "title: leo-db2 's learning optimizer. authors: m stillger , g lohman , v markl , m kandil. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: timber : a native xml database. authors: h jagadish , s al-khalifa , a chapman , l lakshmanan , a nierman , s paparizos , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: vldb j.. year: 2002", "productB": "title: c. yu . ( 2002 ) . timber : a native xml database. authors: hv jagadish , s al-khalifa , a chapman , lvs. venue: the vldb. year: nan", "same": true}
+{"productA": "title: applications of the java programming language to database management. authors: b burton , v marek. venue: sigmod record. year: 1998", "productB": "title: applications of the java programming language to database management .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ase omiecinski , s navathe. venue: i > proc . 21st int &#39; l conf . very large data bases , < / i > morgan & hellip ; ,. year: nan", "same": true}
+{"productA": "title: adam : a testbed for exploring the use of data mining in intrusion detection. authors: d barbar\u0441 , j couto , s jajodia , n wu. venue: sigmod record. year: 2001", "productB": "title: adam : a testbed for exploring the use of data mining in intrusion detection. authors: d barbara , j couto , s jajodia , n wu. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: jeffrey d. ullman speaks out on the future of higher education , startups , database theory , and more. authors: nan. venue: nan. year: 2001", "productB": "title: jeffrey d. ullman speaks out on the future of higher education , startups , database theory , and more. authors: m winslett. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: towards an effective calculus for object query languages. authors: l fegaras , d maier. venue: sigmod conference. year: 1995", "productB": "title: towards an eectivecalculusfor objectquery languages. authors: l fegaras , d maier. venue: proc . of the acm sigmod int . conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2001", "productB": "title: influential papers. authors: k ross. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a framework for providing consistent and recoverable agent-based access to heterogeneous in mobile databases. authors: e pitoura , b bhargava. venue: sigmod record. year: 1995", "productB": "title: a framework for providing consistent and recoverable agent-based access to heterogeneous mobile. authors: e pitoura , b bhargava. venue: nan. year: nan", "same": true}
+{"productA": "title: the third manifesto. authors: h darwen , c date. venue: sigmod record. year: 1995", "productB": "title: the third manifesto acm sigmod record. authors: h darwen , cj date. venue: nan. year: nan", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: realm-based spatial data types : the rose algebra . fernuniversit\u00e3 $ t hagen , informatik-report 141 ,. authors: rh g\u00e3 1/4 ting , m schneider. venue: vldb. year: nan", "same": true}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: s. chaudhuri ad v. narasayya . automated selection of materialized views and indexes. authors: s agrawal. venue: proc . of 26 thint . conf . on very large. year: nan", "same": true}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u00e3 \u00a1 - mill\u00e3 \u00a1 , h garcia-molina. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: multimedia-miner : a system prototype formultimedia data mining. authors: or zaiane , j han\u00e2 ? \u00a6. venue: proc . of1998acm sigmod conf on management of data . seattle ,. year: nan", "same": true}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: sm databases. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k kanth , d agrawal , a singh. venue: sigmod conference. year: 1998", "productB": "title: vr ; agrawal , d. ; singh , ak dimensionality reduction for similarity searching in dynamic databases. authors: k kanth. venue: international conference on management of. year: nan", "same": true}
+{"productA": "title: vist : a dynamic index method for querying xml data by tree structures. authors: h wang , s park , w fan , p yu. venue: sigmod conference. year: 2003", "productB": "title: vist : a dynamic index method for querying xml data by tree structures. authors: h wang , s park , w fan , ps yu. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: ariadne : a system for constructing mediators for internet sources. authors: j ambite , n ashish , g barish , c knoblock , s minton , p modi , i muslea , a philpot , s tejada. venue: sigmod conference. year: 1998", "productB": "title: ariadne : a system for constructing mediators for internet sources ( demonstration ). authors: j ambite , n ashish , g barish , a knoblock , s minton. venue: proceedings of acm sigmod\u00e2 ?? 98 conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: using taxonomy , discriminants , and signatures for navigating in text databases. authors: s chakrabarti , b dom , r agrawal , p raghavan. venue: vldb. year: 1997", "productB": "title: using taxonomy , discriminants , and signatures for navigating in text databases '' , vldb 1997 , 446-455. authors: s chakrabarti , d dom , r agrawal , p raghavan. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: xpath queries on streaming data. authors: f peng , s chawathe. venue: sigmod conference. year: 2003", "productB": "title: xpath queries on streaming data. authors: f peng , ss chawathe. venue: nan. year: nan", "same": true}
+{"productA": "title: dynamic information visualization. authors: y ioannidis. venue: sigmod record. year: 1996", "productB": "title: dynamic information visualization. authors: y ioannidis. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: composing xsl transformations with xml publishing views. authors: c li , p bohannon , h korth , p narayan. venue: sigmod conference. year: 2003", "productB": "title: composing xsl transformations with xml publishing views. authors: c li , p bohannon , hf korth , pps narayan. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb j.. year: 2001", "productB": "title: efficiently publishing relational data as xml documents. authors: b reinwald. venue: vldb 2000 ,. year: nan", "same": true}
+{"productA": "title: a survey and critique of advanced transaction models. authors: c mohan. venue: sigmod conference. year: 1994", "productB": "title: a survey and critique of advanced transaction models. authors: c mohan. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: integrating reliable memory in databases. authors: w ng , p chen. venue: vldb j.. year: 1998", "productB": "title: integrating reliable memory in databases , vldb '97. authors: wt ng , pm chen. venue: proceedings of 23th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a scalable architecture for autonomous heterogeneous database interactions. authors: s milliner , a bouguettaya , m papazoglou. venue: vldb. year: 1995", "productB": "title: a scalable architecture for autonomous heterogeneous database interactions. authors: s milliner , a bouguettaya , mp papazoglou. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: tigukat : a uniform behavioral objectbase management system. authors: m \u0436zsu , r peters , d szafron , b irani , a lipka , a mu\u0451oz. venue: vldb j.. year: 1995", "productB": "title: tigukat : a uniform behavioral objectbase management system. authors: mt \u00e3?zsu , r peters , d szafron , b irani , a lipka , a. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: xml repository and active views demonstration. authors: s abiteboul , v aguilera , s ailleret , b amann , s cluet , b hills , f hubert , j mamou , a marian , l mignet , t milo , c santos , b tessier , a vercoustre. venue: vldb. year: 1999", "productB": "title: xml repository and active views demonstration. authors: jc mamou , c souza , s abiteboul , v aguilera , s. venue: proceedings of the 25th vldb conference , edinburgh , uk ,. year: 1999.0", "same": true}
+{"productA": "title: using the golden rule of sampling for query estimation. authors: y wu , d agrawal , a abbadi. venue: sigmod conference. year: 2001", "productB": "title: applying the golden rule of sampling for query estimation. authors: yl wu , d agrawal , a el abbadi. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: complex relationships and knowledge discovery support in the infoquilt system. authors: a sheth , s thacker , s patel. venue: vldb j.. year: 2003", "productB": "title: complex relationships and knowledge discovery support in the infoquilt system. authors: a sheth , s thacker , s patel. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: sigmod conference. year: 1998", "productB": "title: a framework for parallel processing of aggregate and scalar functions in object-relational dbms. authors: m jaedicke , b mitschang. venue: proc . sigmod conf , seattle ,. year: nan", "same": true}
+{"productA": "title: ofl : a functional execution model for object query languages. authors: g gardarin , f machuca , p pucheral. venue: sigmod conference. year: 1995", "productB": "title: ofl : a functional execution model for object-oriented languages. authors: f machuca , g gardarin , p pucheral. venue: intl. conf . on management of data , acm. year: nan", "same": true}
+{"productA": "title: a web odyssey : from codd to xml. authors: v vianu. venue: sigmod record. year: 2003", "productB": "title: a web odyssey : from codd to xml. authors: v vianu. venue: nan. year: nan", "same": true}
+{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: c bussler , d fensel , a maedche. venue: sigmod record. year: 2002", "productB": "title: a conceptual architecture of semantic web enabled web services. authors: d fensel , c bussler , a maedche. venue: acm special interest group on management of data ,. year: nan", "same": true}
+{"productA": "title: distributed transactions in practice. authors: p ram , l do , p drew. venue: sigmod record. year: 1999", "productB": "title: distributed transactions in practice. authors: p ram , l do , p drew. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial database system. authors: r gunting. venue: proceedings for the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a survey and critique of advanced transaction models. authors: c mohan. venue: sigmod conference. year: 1994", "productB": "title: tutorial : a survey and critique of advanced transaction models. authors: c mohan. venue: proceedings , international conference on management of data ,. year: nan", "same": true}
+{"productA": "title: providing better support for a class of decision support queries. authors: s rao , a badia , d gucht. venue: sigmod conference. year: 1996", "productB": "title: providing better support for a class of decision support queries. authors: sg rao , a badia , d van gucht. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , jd ullman , s tsur. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: fast joins using join indices. authors: z li , k ross. venue: vldb j.. year: 1999", "productB": "title: fast joins using join indices. authors: z li , ka ross. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for processing xpath queries , 28th intl. authors: g gottlob , c koch , r pichler. venue: conf . very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: transaction timestamping in ( temporal ) databases. authors: c jensen , d lomet. venue: vldb. year: 2001", "productB": "title: transaction timestamping in ( temporal ) databases. authors: cs jensen , db lomet. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: updating knowledge bases while maintaining their consistency. authors: e teniente , a oliv\u0449. venue: vldb j.. year: 1995", "productB": "title: updating knowledge bases while maintaining consistency. authors: e teniente , a oliv\u00e3 \u00a9. venue: the vldb. year: nan", "same": true}
+{"productA": "title: report on the nsf workshop on building an infrastructure for mobile and wireless systems. authors: nan. venue: nan. year: 2002", "productB": "title: on building an infrastructure for mobile and wireless systems : report on the nsf workshop on an. authors: b k\u00e3 \u00b6 nig-ries , k makki , s makki , c perkins , n. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: supporting efficient multimedia database exploration. authors: w li , k candan , k hirata , y hara. venue: vldb j.. year: 2001", "productB": "title: supporting efficient multimedia database exploration. authors: ws li , ks candan , k hirata , y hara. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: s chaudhuri , g weikum. venue: vldb. year: 2000", "productB": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: s chaudhuri , g weikum. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: on-line reorganization in object databases. authors: m lakhamraju , r rastogi , s seshadri , s sudarshan. venue: sigmod conference. year: 2000", "productB": "title: on-line reorganization in object databases. authors: mk lakhamraju , r rastogi , s seshadri , s sudarshan. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: a. tuzhilin . on completeness of historical relational query languages. authors: j cliord , a croker. venue: working paper stern is-91-41 , center for research on information. year: nan", "same": true}
+{"productA": "title: cost based query scrambling for initial delays. authors: t urhan , m franklin , l amsaleg. venue: sigmod conference. year: 1998", "productB": "title: cost based query scrambling for initial delays. authors: , mj franklin. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: the hbp-tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: vldb. year: 1995", "productB": "title: the hbpi / - tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: b salzberg , d lomet , g evangelidis. venue: nan. year: nan", "same": true}
+{"productA": "title: declarative data cleaning : language , model , and algorithms. authors: h galhardas , d florescu , d shasha , e simon , c saita. venue: vldb. year: 2001", "productB": "title: declarative data cleaning : model , language , and algorithms. authors: h galhardas , d florescu , d sasha , e simon , ca. venue: proc . vldb. year: nan", "same": true}
+{"productA": "title: accessing relational databases from the world wide web. authors: t nguyen , v srinivasan. venue: sigmod conference. year: 1996", "productB": "title: accessing relational databases form the world wide web. authors: t nguyen , v srinivasan. venue: proc . acm sigmod conf . on the management of data , montreal , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: databases and workflow management : what is it all about ? ( panel ). authors: a reuter , s ceri , j gray , b salzberg , g weikum. venue: vldb. year: 1995", "productB": "title: databases and workflow management : what is it all about ? ( panel ). authors: a reuter , s ceri , j gray , b salzberg , g weikum. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: fast time sequence indexing for arbitrary lp norms. authors: b yi , c faloutsos. venue: vldb. year: 2000", "productB": "title: fast time sequence indexing for arbitrary $ \\ \\ big . l_p \\ \\ bigr . $ norms. authors: bk yi , c faloutsos. venue: proc . 26st vldb conf ,. year: nan", "same": true}
+{"productA": "title: high-performance sorting on networks of workstations. authors: a arpaci-dusseau , r arpaci-dusseau , d culler , j hellerstein , d patterson. venue: sigmod conference. year: 1997", "productB": "title: high-performance sorting on networks of workstations. authors: ac arpaci-dusseau , rh arpaci-dusseau , de culler ,. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference. year: 1996", "productB": "title: static detection of security flaws in object-oriented databases. authors: k tajima. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: memory requirements for query execution in highly constrained devices. authors: n anciaux , l bouganim , p pucheral. venue: vldb. year: 2003", "productB": "title: memory requirements for query execution in highly constrained devices. authors: l bouganim , p pucheral , n anciaux. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: 0 . g. tsatalos , sj white , and mj zwiiiing . shoring up persistent applications. authors: mj carey , dj dewitt , mj franklin , ne hall , ml. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: treasurer 's message. authors: nan. venue: nan. year: 2001", "productB": "title: treasurer 's message. authors: j hammer. venue: sigmod. year: 2000.0", "same": true}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: temporal database system implementations. authors: hb michael. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: algorithms for mining distance-based outliers in large database. authors: k edwin , r ng. venue: new york : in proc . of the vldb conference ,. year: nan", "same": true}
+{"productA": "title: index structures for selective dissemination of information under the boolean model. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1994", "productB": "title: index structures for selective d of information under the boolean model. authors: t yan , h garcia-molina. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: spatial and temporal content-based access to hypervideo databases. authors: h jiang , a elmagarmid. venue: vldb j.. year: 1998", "productB": "title: spatial and temporal content-based access to hypervideo databases. authors: h jiang , ak elmagarmid. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation. authors: v poosala , y ioannidis , p haas , e shekita. venue: proc . of acm sigmod , montreal , canada ,. year: nan", "same": true}
+{"productA": "title: on the semantics of `` now '' in databases. authors: j clifford , c dyreson , t isakowitz , c jensen , r snodgrass. venue: acm trans . database syst .. year: 1997", "productB": "title: on the semantics of\u00e2 ?? now\u00e2 ?? in databases. authors: j clifford , c dyreson , t isakowitz , cs jensen , rt. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: management of data and services in the environmental information system ( uis ) of baden-w\u045crttemberg. authors: w riekert , r mayer-f\u0456ll , g wiest. venue: sigmod record. year: 1997", "productB": "title: management of data and services in the environmental information system ( uis ) of baden-wuerttemberg. authors: wf riekert , r mayer-foell , g wiest. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: magic conditions. authors: i mumick , s finkelstein , h pirahesh , r ramakrishnan. venue: acm trans . database syst .. year: 1996", "productB": "title: magic conditions. authors: h pirahesh , r ramakrishnan. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: a scalable hash ripple join algorithm. authors: g luo , c ellmann , p haas , j naughton. venue: sigmod conference. year: 2002", "productB": "title: a scalable hash ripple join algorithm. authors: g luo. venue: nan. year: nan", "same": true}
+{"productA": "title: towards an effective calculus for object query languages. authors: l fegaras , d maier. venue: sigmod conference. year: 1995", "productB": "title: toward an effective calculus for object query processing. authors: l fegaras , d maier. venue: proc . acm sigmod conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: s choo , w o'connell , g linderman , h chen , k ganapathi , a biliris , e panagos , d schrader. venue: sigmod conference. year: 1996", "productB": "title: prospector : a content-based mutimedia object server for massively parallel architectures. authors: wo\u00e2 ?? connell , it ieong , d schrader\u00e2 ? \u00a6. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record. year: 1996", "productB": "title: the mariposa distributed database management system. authors: j sidell. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: aao approach. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: efficient index structures for string databases. authors: t kahveci , a singh. venue: vldb. year: 2001", "productB": "title: singh : , ak efficient index structures for string databases. authors: t kahveci. venue: proc . of the international conference on very large data. year: nan", "same": true}
+{"productA": "title: r-tree based indexing of now-relative bitemporal data. authors: r bliujute , c jensen , s saltenis , g slivinskas. venue: vldb. year: 1998", "productB": "title: indexing of now-relative spatio-bitemporal data. authors: s \u00e5 altenis , cs jensen. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: effective memory use in a media server. authors: e chang , h garcia-molina. venue: vldb. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e2 ? effective memory use in a media server , \u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: e chang , h garcia-molina. venue: proceedings of the vldb conference ,. year: nan", "same": true}
+{"productA": "title: profiling and internet connectivity in automotive environments. authors: m cilia , p hasselmayer , a buchmann. venue: vldb. year: 2002", "productB": "title: profiling and internet connectivity in automotive environments. authors: m cilia , ap buchmann. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: comprehension syntax. authors: p buneman , l libkin , d suciu , v tannen , l wong. venue: sigmod record. year: 1994", "productB": "title: comprehension syntax. authors: p buneman , l libkin , d suciu , v tannen , l wong. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: sigmod conference. year: 1997", "productB": "title: on-line view maintenance. authors: d quass , j widom. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: starts : stanford proposal for internet meta-searching. authors: cck chang , l gravano , h garcia-molina , a paepcke. venue: proc . of the 1997 acm intl. sigmod conference ,. year: nan", "same": true}
+{"productA": "title: data analysis and mining in the life sciences. authors: n huyn. venue: sigmod record. year: 2001", "productB": "title: data analysis and mining in the life sciences. authors: n huyn. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: ensuring relaxed atomicity for flexible transactions in multidatabase systems. authors: a zhang , m nodine , b bhargava , o bukhres. venue: sigmod conference. year: 1994", "productB": "title: ensuring relaxed atomicity for flexible transactions in multidatabase systems . in proceedings of the. authors: a zhang\u00e2 ? \u00a6. venue: acm press . minneapolis , minnesota , usa. year: nan", "same": true}
+{"productA": "title: similarity search in high dimensions via hashing. authors: a gionis , p indyk , r motwani. venue: vldb. year: 1999", "productB": "title: similarity search in high dimensions via hashing. authors: p indyk , a gionis , r motwani. venue: proceedings of the 25th vldb , september ,. year: nan", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm trans . database syst .. year: 2002", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: index structures for selective dissemination of information under the boolean model. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1994", "productB": "title: index structure for information filtering under the boolean model. authors: tw yan , h garcia-molina. venue: acm transaction on database systems ,. year: nan", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: mir livny , '' birch : an efficient data clustering method for very large databases , ''. authors: t zhang , r ramakrishnan. venue: proc . sigmod intl. conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: a deutsh , m fernandez\u00e2 ? \u00a6. venue: proc of acm sigmod conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: altruistic locking. authors: k salem , h garcia-molina , j shands. venue: acm trans . database syst .. year: 1994", "productB": "title: altruistic locking. authors: k salem , h garcia-molina , j shands. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the sr-tree : an index structure forhigh-dimensionalnearest neighbor queries. authors: n katayama , s satoh. venue: acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: tail recursion elimination in deductive databases. authors: k ross. venue: acm trans . database syst .. year: 1996", "productB": "title: tail recursion elimination in deductive databases. authors: ka ross. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: efficient optimistic concurrency control using loosely synchronized clocks. authors: a adya , r gruber , b liskov , u maheshwari. venue: sigmod conference. year: 1995", "productB": "title: efficient optimistic concurrency control using loosely synchronized clocks , sigmod , san jose , ca. authors: a adya , r gruber , b liskov , u maheshwari. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: the aqua approximate query answering system. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: the aqua approximate query answering system . sigmod 1999. authors: s acharya , pb gibbons , v poosala , s ramaswamy. venue: proceedings acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: catalog management in websphere commerce suite. authors: t maguire. venue: sigmod conference. year: 2001", "productB": "title: catalog management in websphere commerce suite. authors: t maguire. venue: nan. year: nan", "same": true}
+{"productA": "title: the asilomar report on database research. authors: p bernstein , m brodie , s ceri , d dewitt , m franklin , h garcia-molina , j gray , g held , j hellerstein , h jagadish , m lesk , d maier , j naughton , h pirahesh , m stonebraker , j ullman. venue: sigmod record. year: 1998", "productB": "title: stone braker m , ullman jd . the asilomar repo rt on database research. authors: p bernstein , ml brodie , s ceri , dj dewitt , mj. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u044daz , a jaime. venue: vldb j.. year: 1997", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: o d\u00e3az , a jaime. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: dbcache : database caching for web application servers. authors: m altinel , q luo , s krishnamurthy , c mohan , h pirahesh , b lindsay , h woo , l brown. venue: sigmod conference. year: 2002", "productB": "title: database caching for web application servers. authors: m altinel , q luo , s krishnamurthy , c mohan , h. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: towards effective and efficient free space management. authors: m mcauliffe , m carey , m solomon. venue: sigmod conference. year: 1996", "productB": "title: towards e ective and e cient free space management. authors: ml mcauliffe , mj carey , mh solomon. venue: proc . of the acm sigmod , seiten ,. year: nan", "same": true}
+{"productA": "title: an overview of db2 parallel edition. authors: c baru , g fecteau , a goyal , h hsiao , a jhingran , s padmanabhan , w wilson. venue: sigmod conference. year: 1995", "productB": "title: w. w ] lson . an overview of db2 paraflel edition. authors: c barn , g fecteau , a goyaf , h hsiao , a jhnigmn , s. venue: proceedings of 1995 sigmod international conference on. year: nan", "same": true}
+{"productA": "title: from nested-loop to join queries in oodb. authors: h steenhagen , p apers , h blanken , r by. venue: vldb. year: 1994", "productB": "title: de ( 1994 ) from nested-loop to join queries in oodb. authors: hj steenhagen , pmg apers , hm blanken , ra by. venue: proc . of the conf . on very large data bases ( vldb ) , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: improving access to environmental data using context information. authors: a tomasic , e simon. venue: sigmod record. year: 1997", "productB": "title: improving access to environmental data using context information. authors: a tomasic , e simon. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: watchman : a data warehouse intelligent cache manager. authors: p scheuermann , j shim , r vingralek. venue: vldb. year: 1996", "productB": "title: a data warehouse intelligent cache manager. authors: p scheuerman , j shim , r vingralek\u00e2 ?? watchman. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: evaluating queries with generalized path expressions. authors: v christophides , s cluet , g moerkotte. venue: sigmod conference. year: 1996", "productB": "title: evaluating queries with generalized path expressions. authors: v christophides , s cluet , g moerkotte. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: query cachingand optimization in distributed mediator systems. authors: s adali , ks candan , y papakonstantinou , vs. venue: proceedingsof the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: updating xml. authors: i tatarinov , z ives , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: updating xml , acm sigmod int. authors: i tatarinov , zg ives , ay halevy , ds weld. venue: conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: improving performance in replicated databases through relaxed coherency. authors: r gallersd\u0456rfer , m nicola. venue: vldb. year: 1995", "productB": "title: improving performance in replicated databases through relaxed coherency. authors: , m nicola. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: estimating the output cardinality of partial preaggregation with a measure of clusteredness. authors: s helmer , t neumann , g moerkotte. venue: vldb. year: 2003", "productB": "title: estimating the output cardinality of partial preaggregation with a measure of clusteredness. authors: s helmer , t neumann , g moerkotte. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: e suciu , d. , \u00e2 ?? a query language and optimisation techniques for unstructured data\u00e2 ??. authors: p buneman , s davidson , g hillebrand. venue: proceedings acm-sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: materialization : a powerful and ubiquitous abstraction pattern. authors: a pirotte , e zim\u0441nyi , d massart , t yakusheva. venue: vldb. year: 1994", "productB": "title: materialization : a powerful and ubiquitous abstraction pattern. authors: a pirotte , e zim\u00e3 \u00a1 nyi , d massart , t yakusheva. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: on-line warehouse view maintenance. authors: d quass , j widom. venue: sigmod conference. year: 1997", "productB": "title: on-line warehouse view maintenance for batch updates . the acm sigmod conf. authors: d quass , j widom. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: xquery : a query language for xml. authors: nan. venue: nan. year: 2003", "productB": "title: xquery : an xml query language. authors: d chamberlin. venue: ibm systems journal ,. year: 2002.0", "same": true}
+{"productA": "title: e-services - guest editorial. authors: nan. venue: nan. year: 2001", "productB": "title: guest editorial. authors: f casati , mc shan , d georgakopoulos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: maximizing buffer and disk utilizations for news on-demand. authors: r ng , j yang. venue: vldb. year: 1994", "productB": "title: maximizing buffer and disk utilizations for news on-demand. authors: rt ng , j yang. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: towards a cooperative transaction model - the cooperative activity model. authors: m rusinkiewicz , w klas , t tesch , j w\u0444sch , p muth. venue: vldb. year: 1995", "productB": "title: towaxds a cooperative transaction model -- the cooperative activity model. authors: m rnsinkiewicz , w klas\u00e2 ? \u00a6. venue: proc . int . conf . very large data bases , dayal u , gray p , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: transactional publish / subscribe : the proactive multicast of database changes. authors: a chan. venue: sigmod conference. year: 1998", "productB": "title: transactional publish/subscribe : the proactive multicast of database changes. authors: a chan. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: calibrating optimizer cost model of iro-db. authors: g gardarin , f sha , zh tang. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: r ng , l lakshmanan , j han , a pang. venue: sigmod conference. year: 1998", "productB": "title: exploratoryminingandpruningoptimizationsofconstrained association rules. authors: rt ng , l lakshmanan , j han , a andpang. venue: acm sigmod intl. conf . management of data ,. year: nan", "same": true}
+{"productA": "title: outerjoins as disjunctions. authors: c galindo-legaria. venue: sigmod conference. year: 1994", "productB": "title: outerjoins as disjunctions. authors: ca galindo-legaria. venue: nan. year: nan", "same": true}
+{"productA": "title: italian electronic identity card - principle and architecture. authors: m gentili. venue: vldb. year: 2001", "productB": "title: italian electronic identity card - principle and architecture. authors: m gentili. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: histogram-based approximation of set-valued query-answers. authors: y ioannidis , v poosala. venue: vldb. year: 1999", "productB": "title: histogram-based approximation of set-valued query-answers. authors: ye ioannidis , v poosala. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: information systems ,. year: 2001.0", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: hans-peter . kriegel . the x-tree : an index structure for high-dimensional data. authors: s berchtold , da keim. venue: proceedings of the 22nd vldb. year: nan", "same": true}
+{"productA": "title: actiview : adaptive data presentation using supersql. authors: y maeda , m toyama. venue: vldb. year: 2001", "productB": "title: actiview : adaptive data presentation using supersql. authors: y maeda , m toyama. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: mining system audit data : opportunities and challenges. authors: w lee , w fan. venue: sigmod record. year: 2001", "productB": "title: mining system audit data : opportunitiesandchallenges. authors: w lee , w fan. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: executing sql over encrypted data in the database-service-provider model. authors: h hacig\u045cm\u045cs , b iyer , c li , s mehrotra. venue: sigmod conference. year: 2002", "productB": "title: executing sql over encrypted data in the database-service-provider model. authors: h hac\u00e4 \u00b1 gumus , b iyer , c li , s mehrotra. venue: proc . of acm sigmod ,. year: 2002.0", "same": true}
+{"productA": "title: integrated document caching and prefetching in storage hierarchies based on markov-chain predictions. authors: a kraiss , g weikum. venue: vldb j.. year: 1998", "productB": "title: integrated document caching and prefetching in storage hierarchies based on markov-chain predictions. authors: a kraiss , g weikum. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: processing set expressions over continuous update streams. authors: s ganguly , m garofalakis , r rastogi. venue: sigmod conference. year: 2003", "productB": "title: processing set expressions over continuous update streams. authors: s ganguly , mn garofalakis , r rastogi. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: 1995 . generalized search trees for database systems. authors: jm hellerstein , jf naughton , a pfeer. venue: proc . 21th int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: building knowledge base management systems : a progress report. authors: j mylopoulos , v chaudhri , d plexousakis , t. venue: nan. year: nan", "same": true}
+{"productA": "title: an early look at xquery. authors: j melton , a eisenberg. venue: sigmod record. year: 2002", "productB": "title: an early look at xquery api for java tm ( xqj ). authors: a eisenberg. venue: sigmod record ,. year: 2004.0", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: metu object-oriented database system. authors: a dogac\u00e2 ? \u00a6. venue: demo description , in the proc . acm sigmod intl. conf . on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: workflow management with service quality guarantees. authors: m gillmann , g weikum , w wonner. venue: sigmod conference. year: 2002", "productB": "title: workflow management with service quality guarantees ( sigmod02 ). authors: m gillmann , g weikum , w wonner. venue: sigmod. year: nan", "same": true}
+{"productA": "title: mariposa : a wide-area distributed database system. authors: m stonebraker , p aoki , w litwin , a pfeffer , a sah , j sidell , c staelin , a yu. venue: vldb j.. year: 1996", "productB": "title: mariposa : a wide-area distributed database system. authors: m stonebraker , pm aoki , w litwin , a pfeffer , a sah. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: building light-weight wrappers for legacy web data-sources using w4f. authors: a sahuguet , f azavant. venue: vldb. year: 1999", "productB": "title: fa : building light-weight wrappers for legacy web datasources using w4f. authors: a sahuguet. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: statistical schema matching across web query interfaces. authors: b he , k chang. venue: sigmod conference. year: 2003", "productB": "title: statistical schema matching across web query interfaces. authors: b he , kcc chang. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: an execution model for limited ambiguity rules and its application to derived data update. authors: i chen , r hull , d mcleod. venue: acm trans . database syst .. year: 1995", "productB": "title: an execution model for limited ambiguity rules and its application to derived data update. authors: ima chen , r hull , d mcleod. venue: acm transactions on database systems ,. year: 1995.0", "same": true}
+{"productA": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: s ceri , r cochrane , j widom. venue: vldb. year: 2000", "productB": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award for. authors: s ceri , r cochrane. venue: international conference on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: niagaracq : a scalable continuous query system for internet databases. authors: c jian-jun , j dewitt david , f tian\u00e2 ? \u00a6. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of five xml query languages. authors: de e informazione. venue: nan. year: nan", "same": true}
+{"productA": "title: mining database structure ; or , how to build a data quality browser. authors: t dasu , t johnson , s muthukrishnan , v shkapenyuk. venue: sigmod conference. year: 2002", "productB": "title: mining database structure ; or , how to build a data quality browser. authors: t johnson , s muthukrishnan , p dasu , v shkapenyuk. venue: proc . of acm sigmod , to appear ,. year: nan", "same": true}
+{"productA": "title: optimizing multi-feature queries for image databases. authors: u g\u045cntzer , w balke , w kie\u043fling. venue: vldb. year: 2000", "productB": "title: kie \u00e3 ? ling , w. 2000 . optimizing multi-feature queries for image databases. authors: u guntzer , wt balke. venue: & hellip ; of the 26th international conference on very large databases. year: nan", "same": true}
+{"productA": "title: proxy-based acceleration of dynamically generated content on the world wide web : an approach and implementation. authors: a datta , k dutta , h thomas , d vandermeer , s suresha , k ramamritham. venue: sigmod conference. year: 2002", "productB": "title: suresha , and ramamritham , k. 2002 . proxy-based accelaration of dynamically generated content on the. authors: a datta , k dutta , h thomas , d vander meer. venue: proceedings of acm sigmod. year: nan", "same": true}
+{"productA": "title: an adaptive data replication algorithm. authors: o wolfson , s jajodia , y huang. venue: acm trans . database syst .. year: 1997", "productB": "title: an adaptive data replication algorithm. authors: o wolfson , s jajodia , y huang. venue: acm transactions on database systems ,. year: 1997.0", "same": true}
+{"productA": "title: benchmarking spatial join operations with spatial output. authors: e hoel , h samet. venue: vldb. year: 1995", "productB": "title: benchmarking spatial join operations with spatial output. authors: eg hoel , h samet. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: microsoft index tuning wizard for sql server 7.0. authors: s chaudhuri , vr narasayya. venue: nan. year: nan", "same": true}
+{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: s choo , w o'connell , g linderman , h chen , k ganapathi , a biliris , e panagos , d schrader. venue: sigmod conference. year: 1996", "productB": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: , h chen , a biliris , e panagos. venue: nan. year: nan", "same": true}
+{"productA": "title: bit-sliced index arithmetic. authors: d rinfret , p o'neil , e o'neil. venue: sigmod conference. year: 2001", "productB": "title: bit-sliced index arithmetic. authors: d rinfret , po ` neil , eo ` neil. venue: nan. year: nan", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: metu interoperable database system [ j ]. authors: a dodac\u00e2 ? \u00a6. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: optimizing jan jannink 's implementation of b + - tree deletion. authors: r maelbrancke , h olivie. venue: sigmod record. year: 1995", "productB": "title: optimizing jan jannink\u00e2 ?? s implementation of b + - tree deletion. authors: r maelbrancke , h olivie. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: the x-tree : an index structure for highdimensional data . 22nd vldb. authors: s berchtold , da keim , hp kriegel. venue: mumbai ( bombay ) , india , sept ,. year: nan", "same": true}
+{"productA": "title: an optimal and progressive algorithm for skyline queries. authors: d papadias , y tao , g fu , b seeger. venue: sigmod conference. year: 2003", "productB": "title: seeger : , b. 2003 . an optimal and progressive algorithm for skyline queries. authors: d papadias , y tao , g fu. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: fas - a freshness-sensitive coordination middleware for a cluster of olap components. authors: u r\u0456hm , k b\u0456hm , h schek , h schuldt. venue: vldb. year: 2002", "productB": "title: fas - a freshness-sensitive coordination middleware for a cluster of olap components. authors: u roehm , k boehm , hj schek , h schuldt. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: active rules for xml : a new paradigm for e-services. authors: a bonifati , s ceri , s paraboschi. venue: vldb j.. year: 2001", "productB": "title: active rules for xml : a new paradigm for e-services. authors: a bonifati , s ceri , s paraboschi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: disnic-plan : a nicnet based distributed database for micro-level planning in india. authors: m moni. venue: vldb. year: 1996", "productB": "title: disnic-plan : a nicnet based distributed database for micro-level planning in india. authors: m moni. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: a new method for similarity indexing of market basket data. authors: c aggarwal , j wolf , p yu. venue: sigmod conference. year: 1999", "productB": "title: a new method for similarity indexing of market basket data. authors: cc aggarwal , jl wolf , ps yu. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: 266-275 , v. ( 1997 ) . \u00e2 ?? do n't scrap it , wrap it ! a wrapper architecture for legacy data sources.\u00e2 ??. authors: m tork roth , pm schwarz. venue: proceedings of the 23rd international conference on very. year: nan", "same": true}
+{"productA": "title: adept : an agent-based approach to business process management. authors: n jennings , t norman , p faratin. venue: sigmod record. year: 1998", "productB": "title: adept : an agent-based approach to business process management .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: f casati , s ceri , s paraboschi , g pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: andg . pozzi . specificationandimplementationofexceptions in workflow management systems. authors: f casati , s ceri , s paraboschi. venue: acm trans . on database systems ,. year: nan", "same": true}
+{"productA": "title: optimizing multi-feature queries for image databases. authors: u g\u045cntzer , w balke , w kie\u043fling. venue: vldb. year: 2000", "productB": "title: optimizing multi-feature queries for image databases. authors: wt balke. venue: nan. year: nan", "same": true}
+{"productA": "title: the impact of global clustering on spatial database systems. authors: t brinkhoff , h kriegel. venue: vldb. year: 1994", "productB": "title: 1994 . the impact of global clustering on spatial database systems. authors: t brinkho , hp kriegel. venue: proc . 20th int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: indexing multimedia databases ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: indexing multimedia databases. authors: c faloutsos. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: managing multiple and distributed ontologies on the semantic web. authors: a maedche , b motik , l stojanovic. venue: vldb j.. year: 2003", "productB": "title: managing multiple and distributed ontologies on the semantic web. authors: a maedche , b motik , l stojanovic. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: moving up the food chain : supporting e-commerce applications on databases. authors: a jhingran. venue: sigmod record. year: 2000", "productB": "title: moving up the food chain : supporting e-commerce applications on databases. authors: a jhingran. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: the third manifesto. authors: h darwen , c date. venue: sigmod record. year: 1995", "productB": "title: the third manifesto ( 1995 ). authors: h darwen , cj date. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: warlock : a data allocation tool for parallel warehouses. authors: t st\u0456hr , e rahm. venue: vldb. year: 2001", "productB": "title: warlock : a data allocation tool for parallel warehouses. authors: t stoehr , e rahm. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: using quantitative information for efficient association rule generation. authors: b p\u0454ssas , w jr. , m carvalho , r resende. venue: sigmod record. year: 2000", "productB": "title: using quantitative information for efficient association rule generation. authors: b p\u00e3 \u00b4 ssas , w meira jr , m carvalho , r resende. venue: j. braz . comp . soc ,. year: 2000.0", "same": true}
+{"productA": "title: searching in metric spaces by spatial approximation. authors: g navarro. venue: vldb j.. year: 2002", "productB": "title: searching in metric spaces by spatial approximation. authors: g navarro. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: safe query languages for constraint databases. authors: p revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: safe query languages for constraint databases. authors: pz revesz. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: internet traffic warehouse. authors: c chen , m cochinwala , c petrone , m pucci , s samtani , p santa , m mesiti. venue: sigmod conference. year: 2000", "productB": "title: internet trac warehouse. authors: cm chen , m cochinwala , c petrone , m pucci , s. venue: proc . sigmod ,. year: nan", "same": true}
+{"productA": "title: self-serv : a platform for rapid composition of web services in a peer-to-peer environment. authors: q sheng , b benatallah , m dumas , e mak. venue: vldb. year: 2002", "productB": "title: a platform for rapid composition of web services in a peer-to-peer environment. authors: qz sheng , b benatallah. venue: proceedings of the 28th vldb conference , hong kong , china ,. year: nan", "same": true}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: the implementation and performance of compressed databases. authors: twd kossmann. venue: nan. year: nan", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: hern\u00e2 ?? andezma ( 2000 ) schemamapping as query discovery. authors: hl millerrj. venue: proc 26th int conf onvery large data. year: nan", "same": true}
+{"productA": "title: exact indexing of dynamic time warping. authors: e keogh. venue: vldb. year: 2002", "productB": "title: exact indexing of dynamic time warping. authors: e keogh , ca ratanamahatana. venue: knowledge and information systems ,. year: 2005.0", "same": true}
+{"productA": "title: a metadatabase system for semantic image search by a mathematical model of meaning. authors: y kiyoki , t kitagawa , t hayama. venue: sigmod record. year: 1994", "productB": "title: a metadatabase system for semantic image search by a mathematical model of meaning. authors: y kiyoki , t kitagawa , t hayama. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources . acm sigmod int. authors: cck chang , h garcia-molina. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro , s zdonik. venue: sigmod conference. year: 1999", "productB": "title: dbis-toolkit : adaptive middleware for large scale data delivery. authors: m altinel\u00e2 ? \u00a6. venue: & hellip ; of the 1999 international conference on management of data. year: nan", "same": true}
+{"productA": "title: integrating the ub-tree into a database system kernel. authors: f ramsak , v markl , r fenk , m zirkel , k elhardt , r bayer. venue: vldb. year: 2000", "productB": "title: integrating the ub-tree into a database system kernel. authors: f ramsak , v markl , r fenk , m zirkel , k elhardt , r. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: metadata for multimedia documents. authors: k b\u0456hm , t rakow. venue: sigmod record. year: 1994", "productB": "title: metadata for multimedia documents. authors: k bshm , tc rakow. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: interviso : dealing with the complexity of federated database access. authors: m templeton , h henley , e maros , d buer. venue: vldb j.. year: 1995", "productB": "title: interviso : dealing with the complexity of federated database access. authors: m templeton , h henley , e maros , dj van buer. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: searching in metric spaces with user-defined and approximate distances. authors: p ciaccia , m patella. venue: acm trans . database syst .. year: 2002", "productB": "title: searching in metric spaces with user-defined and approximate distances. authors: p ciaccia , m patella. venue: acm transactions on database systems ,. year: 2002.0", "same": true}
+{"productA": "title: oracle 's symmetric replication technology and implications for application design. authors: d daniels , l doo , a downing , c elsbernd , g hallmark , s jain , b jenkins , p lim , g smith , b souder , j stamos. venue: sigmod conference. year: 1994", "productB": "title: oracle\u00e2 ?? s symmetric replication technology and implications for application design. authors: d daniels. venue: proceedings of the 1994 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: r. ( 1997 ) . sting : a statistical information grid approach to spatial data mining. authors: w wang , jm yang. venue: proc . of the 23rd very large databases conf . ( vldb 1997 ) .. year: nan", "same": true}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: query rewriting using semistructured views. authors: y papakonstantinou , v vassalos. venue: proc . of the acm sigmod int . conf . on management of data ,. year: 1999.0", "same": true}
+{"productA": "title: multi-dimensional resource scheduling for parallel queries. authors: m garofalakis , y ioannidis. venue: sigmod conference. year: 1996", "productB": "title: multi-dimensional resource scheduling for parallel queries. authors: mn garofalakis , ye ioannidis. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: starting ( and sometimes ending ) a database company. authors: j orenstein. venue: vldb. year: 1998", "productB": "title: starting ( and sometimes ending ) a database company. authors: ja orenstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: selective information dissemination in p2p networks : problems and solutions. authors: m koubarakis , c tryfonopoulos , s idreos , y drougas. venue: sigmod record. year: 2003", "productB": "title: selective information dissemination in p2p networks : problems and solutions. authors: m koubarakis , c tryfonopoulos , s idreos , y drougas. venue: sigmod rec ,. year: 2003.0", "same": true}
+{"productA": "title: mediator languages - a proposal for a standard. authors: p buneman , l raschid , j ullman. venue: sigmod record. year: 1997", "productB": "title: mediator languages-a proposal for a standard. authors: p buneman , l raschid , jd ullman. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: a dependability benchmark for oltp application environments. authors: m vieira , h madeira. venue: vldb. year: 2003", "productB": "title: dbench\u00e2 ?? oltp : a dependability benchmark for oltp application environments. authors: m vieira , h madeira. venue: technical report dei-006-2002 , issn 0873-9293 , departamento de. year: nan", "same": true}
+{"productA": "title: metadata in video databases. authors: r jain , a hampapur. venue: sigmod record. year: 1994", "productB": "title: metadata in video databases. authors: a hampapur. venue: nan. year: nan", "same": true}
+{"productA": "title: database performance in the real world - tpc-d and sap r/3 ( experience paper ). authors: j doppelhammer , t h\u0456ppler , a kemper , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: database performance in the real world : tpc-d and sap r/3. authors: j doppelhammer. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: turbo-charging vertical mining of large databases. authors: p shenoy , j haritsa , s sudarshan , g bhalotia , m bawa , d shah. venue: sigmod conference. year: 2000", "productB": "title: turbo-charging vertical mining of large databases . in 2000 acm sigmod intl. authors: p shenoy , jr haritsa , s sudarshan , g bhalotia , m. venue: conference on management of. year: nan", "same": true}
+{"productA": "title: object database evolution using separation of concerns. authors: a rashid , p sawyer. venue: sigmod record. year: 2000", "productB": "title: object database evolution using separation of concerns. authors: a rashid , p sawyer. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: the xps approach to loading and unloading terabyte databases. authors: s atal. venue: vldb. year: 1996", "productB": "title: the xps approach to loading and unloading terabyte databases. authors: s atal. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: distributing a search tree among a growing number of processors. authors: b kr\u0456ll , p widmayer. venue: sigmod conference. year: 1994", "productB": "title: distributing a search tree among a growing number of processors , in acm-sigmod intl. authors: b kroll , p widmayer. venue: coqferenceon managementof data ,. year: nan", "same": true}
+{"productA": "title: a response to r. camps ' article `` domains , relations and religious wars ''. authors: c date. venue: sigmod record. year: 1996", "productB": "title: a response to r. camps ' article \u00e2 ?? domains , relations and religious wars\u00e2 ??. authors: cj date. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: amalgamating knowledge bases. authors: v subrahmanian. venue: acm trans . database syst .. year: 1994", "productB": "title: amalgamating knowledge bases , ii : algorithms. authors: s adal , vs subrahmanian. venue: data structures and query processing , submitted for journal & hellip ; ,. year: nan", "same": true}
+{"productA": "title: query execution techniques for caching expensive methods. authors: j hellerstein , j naughton. venue: sigmod conference. year: 1996", "productB": "title: query execution strategies for caching expensive methods. authors: j hellerstein , j naughton. venue: proc . of the acm sigmod conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: a dependability benchmark for oltp application environments. authors: m vieira , h madeira. venue: vldb. year: 2003", "productB": "title: a dependability benchmark for oltp application environments. authors: m vieira , h madeira. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: microsoft site server ( commerce edition ). authors: b ojjeh. venue: sigmod conference. year: 1999", "productB": "title: microsoft site server ( commerce ed . ) : talk-slides available at the conference. authors: b ojjeh. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continuously adaptive continuous queries. authors: s madden , m shah , jm hellerstein , v raman. venue: proc . of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: \\ response to \\ '' \\ `` a close look at the ifo data model \\ '' \\ '' \\ '' ''. authors: s abiteboul , r hull. venue: sigmod record. year: 1995", "productB": "title: response to \u00e2 ?? a close look at the ifo data model\u00e2 ??. authors: s abiteboul , r hull. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: phoenix : making applications robust. authors: r barga , d lomet. venue: sigmod conference. year: 1999", "productB": "title: phoenix : making applications robust. authors: r barga , db lomet. venue: nan. year: nan", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining generfized association rules. authors: r srikant , r agrawal. venue: proc . 1995 int . conf . very large data bases , zrich ,. year: nan", "same": true}
+{"productA": "title: serviceglobe : distributing e-services across the internet. authors: m keidl , s seltzsam , k stocker , a kemper. venue: vldb. year: 2002", "productB": "title: serviceglobe : distributing e-services across the internet. authors: m keidl , s seltzsam , k stocker , a kemper. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: linking business to deliver value : a data management challenge. authors: a deshpande. venue: vldb. year: 2000", "productB": "title: linking business to deliver value : a data management challenge. authors: a deshpande. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , zh tang. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: sigmod record. year: 1997", "productB": "title: wrapper generation for semi-structured internet sources , 1997. authors: n ashish , c knoblock. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: in-memory data management for consumer transactions the times-ten approach. authors: t team. venue: sigmod conference. year: 1999", "productB": "title: in-memory data management for consumer transactions the timesten approach. authors: ctt team. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: recovery protocols for shared memory database systems. authors: l molesky , k ramamritham. venue: sigmod conference. year: 1995", "productB": "title: ramamritham . recovery protocolsfor sharedmemorydatabasesystems. authors: ld moleskyandk. venue: proceedings of the 1995 acm sigmod ,. year: nan", "same": true}
+{"productA": "title: infomaster : an information integration system. authors: m genesereth , a keller , o duschka. venue: sigmod conference. year: 1997", "productB": "title: infomaster : an information integration system. authors: mr genesereth , am keller , om duschka. venue: nan. year: nan", "same": true}
+{"productA": "title: a model for compound type changes encountered in schema evolution. authors: b lerner. venue: acm trans . database syst .. year: 2000", "productB": "title: a model for compound type changes encountered in schema evolution. authors: bs lerner. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: preface to the special issue on spatial database systems. authors: rh g\u00e3 1/4 ting. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: plan-per-tuple optimization solution - parallel execution of expensive user-defined functions. authors: f cari\u0451o , w o'connell. venue: vldb. year: 1998", "productB": "title: plan-per-tuple optimization solution-parallel execution of expensive user-defined functions. authors: f carifio , wo\u00e2 ?? connell. venue: nan. year: nan", "same": true}
+{"productA": "title: wise-integrator : an automatic integrator of web search interfaces for e-commerce. authors: h he , w meng , c yu , z wu. venue: vldb. year: 2003", "productB": "title: wise-integrator : an automatic integrator of web search interfaces for e-commerce. authors: h he , w meng , c yu , z wu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the efficiency of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: nan. year: 1993.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : a clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: proc . of the acm sigmod conference on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the ins and outs ( and everthing in between ) of data warehousing. authors: nan. venue: nan. year: 1996", "productB": "title: the ins and outs ( and everthing in between ) of data warehousing. authors: pm fernandez , da schneider. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: continuous k-nearest neighbor queries for continuously moving points with updates. authors: g iwerks , h samet , k smith. venue: vldb. year: 2003", "productB": "title: continuous k-nearest neighbor queries for continuously moving points with updates. authors: gs iwerks , h samet , k smith. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 2002", "productB": "title: data management issues in electronic commerce guest editor 's introduction. authors: a dogac. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: vldb. year: 1995", "productB": "title: bigsur : a system for the management of earth science data. authors: p brown , m stonebraker. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , j stankovic , d towsley , m xiong. venue: sigmod record. year: 1996", "productB": "title: integrating temporal , real-time , and active databases. authors: k ramamritham , r sivasankaran , ja stankovic , dt. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: enterprise objects framework , a second generation object-relational enabler. authors: c kleissner. venue: sigmod conference. year: 1995", "productB": "title: enterprise objects framework : a second generation object-relational enabler. authors: c kleissner. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: querying continuous time sequences. authors: l lin , t risch. venue: vldb. year: 1998", "productB": "title: querying continuous time sequences. authors: l lin , t risch. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: maintenance of data cubes and summary tables in a warehouse. authors: i mumick , d quass , b mumick. venue: sigmod conference. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?maintenance of data cubes and summary tables in a warehouse , \u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: is mumick , d quass , bs mumick. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: j gray , g graefe. venue: sigmod record. year: 1997", "productB": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: j gray , g graefe. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: informix-online xps : a dynamically scalable rdbms for open parallel platforms. authors: h spintzik. venue: vldb. year: 1995", "productB": "title: informix-online xps : a dynamically scalable rdbms for open parallel platforms. authors: h spintzik. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: methodology for development and employment of ontology based knowledge management applications. authors: y sure , s staab , r studer. venue: sigmod record. year: 2002", "productB": "title: methodology for development and employment of ontology based knowledge management applications. authors: y sure , s staab. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: d shasha , p bonnet. venue: vldb. year: 2002", "productB": "title: database tuning : principles , experiments , and troubleshooting techniques ( part i ). authors: d shasha , p bonnet. venue: proceedings of the 2002 acm sigmod international conference & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: database design for incomplete relations. authors: m levene , g loizou. venue: acm trans . database syst .. year: 1999", "productB": "title: database design for incomplete relations. authors: m levene , g loizou. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: expiring data in a warehouse. authors: h garcia-molina , w labio , j yang. venue: vldb. year: 1998", "productB": "title: expiring data in a warehouse. authors: h garcia-molina , w labio , j yang. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: a low-cost storage server for movie on demand databases. authors: b \u0436zden , a biliris , r rastogi , a silberschatz. venue: vldb. year: 1994", "productB": "title: a low-cost storage server for movie on demand databases. authors: b \u00e3?zden , a biliris , r rastogi , a silberschatz. venue: proceedings of the 20th international conference on very & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: a database system for real-time event aggregation in telecommunication. authors: j baulier , s blott , h korth , a silberschatz. venue: vldb. year: 1998", "productB": "title: a database system for real-time event aggregation in telecommunication. authors: j baulier , s blott , hf korth , a silberschatz. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: rights protection for relational data. authors: r sion , m atallah , s prabhakar. venue: sigmod conference. year: 2003", "productB": "title: rights protection for relational data. authors: r sion. venue: nan. year: nan", "same": true}
+{"productA": "title: a multi-version cache replacement and prefetching policy for hybrid data delivery environments. authors: a seifert , m scholl. venue: vldb. year: 2002", "productB": "title: a transaction-conscious multi-version cache replacement and prefetching policy for hybrid data. authors: a seifert , mh scholl. venue: nan. year: nan", "same": true}
+{"productA": "title: multi-dimensional clustering : a new data layout scheme in db2. authors: s padmanabhan , b bhattacharjee , t malkemus , l cranston , m huras. venue: sigmod conference. year: 2003", "productB": "title: multi-dimensional clustering : a new data layout scheme in db2. authors: s padmanabhan , b bhattacharjee , t malkemus , l. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: guest editorial. authors: nan. venue: nan. year: 2003", "productB": "title: guest editorial. authors: v atluri , a joshi , y yesha. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a comparison of three user interfaces to relational microcomputer data bases. authors: c medsker , m christensen , i song. venue: sigmod record. year: 1995", "productB": "title: a comparison of three user interfaces to relational microcomputer data bases. authors: c medsker , m christensen , iy song. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: k chang , h garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources ( extended version ). authors: cck chang. venue: nan. year: nan", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleepers andworkaholicscaching strategiesinmobile environments. authors: d barbara , t imielinski. venue: proc . of acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: fuy ( 1995 ) discovery of multiple-level association rules from large databases. authors: j han. venue: proc . 21st international conference on very large data. year: nan", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective cluster method for spatial data mining. authors: r ng , j han. venue: proceedings of the 20th international conference of very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: dictionary-based order-preserving string compression. authors: g antoshenkov. venue: vldb j.. year: 1997", "productB": "title: dictionary-based order-preserving string compression. authors: g antoshenkov. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: characterization of database access pattern for analytic prediction of buffer hit probability. authors: a dan , p yu , j chung. venue: vldb j.. year: 1995", "productB": "title: characterization of database access pattern for analytic prediction of buffer hit probability. authors: a dan , ps yu , jy chung. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: caprera : an activity framework for transaction processing on wide-area networks. authors: s kumar , e kwang , d agrawal. venue: vldb. year: 1997", "productB": "title: caprera : an activity framework for transaction processing on wide-area networks proceedings of the. authors: s kumar , e kwang , d agrawal. venue: athens , greece , august ,. year: nan", "same": true}
+{"productA": "title: reusing invariants : a new strategy for correlated queries. authors: j rao , k ross. venue: sigmod conference. year: 1998", "productB": "title: reusing invariants : a new strategy for correlated queries. authors: k ross , j rao. venue: proceedings of the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: xml schema. authors: c campbell , a eisenberg , j melton. venue: sigmod record. year: 2003", "productB": "title: xml schema. authors: ce campbell , j melton. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: dennis shasha-the dangers of replication and a solution -. authors: j gray , p helland , po\u00e2 ?? neil. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: g gardarin , f sha , z tang. venue: vldb. year: 1996", "productB": "title: calibrating the query optimizer cost model of iro\u00e2 ?? db an object oriented federated database system. authors: g gardarin. venue: proceedings of the 22 thconference on very large data bases. year: nan", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semi-structured database. authors: r goldman , j widom. venue: proc . int\u00e2 ?? l conf on vldb ,. year: nan", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: bypassing joins in disjunctive queries. authors: m steinbrunn , k peithner , g moerkotte , a kemper. venue: vldb. year: 1995", "productB": "title: bypassing joins in disjunctive queries. authors: a kemper , g moerkotte , k peithner , m steinbrunn. venue: proc . of the 21st int . conf . on very large data bases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: reasoning about spatial relationships in picture retrieval systems. authors: a sistla , c yu , r haddad. venue: vldb. year: 1994", "productB": "title: haddad r. reasoning about spatial relationships in picture retrieval systems. authors: p sistla , c yu. venue: nan. year: nan", "same": true}
+{"productA": "title: the aqua approximate query answering system. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: the aqua approximate query answering system. authors: s acharya , pb gibbons , v poosala , s ramaswamy. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: sql and management of external data. authors: j melton , j michels , v josifovski , k kulkarni , p schwarz , k zeidenstein. venue: sigmod record. year: 2001", "productB": "title: sql and management of external data . also iso/iec 9075-9-2000. authors: j melton\u00e2 ? \u00a6. venue: information technology\u00e2 ?? database. year: nan", "same": true}
+{"productA": "title: semantic assumptions and query evaluation in temporal databases. authors: c bettini , x wang , e bertino , s jajodia. venue: sigmod conference. year: 1995", "productB": "title: ands . jajodia , semanticassumptionsandqueryevaluation in temporal databases. authors: c bettini , x wang , e bertino. venue: proc . of acm sigmod , san jose , ca ,. year: nan", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: nan. year: nan", "same": true}
+{"productA": "title: the implementation and performance of compressed databases. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: sigmod record. year: 2000", "productB": "title: the implementation and performance of compressed databases , nov 1998. authors: t westmann , d kossmann , s helmer , g moerkotte. venue: submitted for. year: nan", "same": true}
+{"productA": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: p atzeni , r torlone. venue: sigmod conference. year: 1997", "productB": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: di automazione , di e automazione. venue: nan. year: nan", "same": true}
+{"productA": "title: component-based e-commerce : assesment of current practices and future directions. authors: m bichler , a segev , j zhao. venue: sigmod record. year: 1998", "productB": "title: component-based e-commerce : assesment of current practices and future directions. authors: m bichler , a segev , jl zhao. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: on computing correlated aggregates over continual data streams. authors: j gehrke , f korn , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: on computing correlated aggregates over continual data streams. authors: j gehrke , f korn , d srivastava. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: toward recovery-oriented computing. authors: a fox. venue: vldb. year: 2002", "productB": "title: toward recovery-oriented computing. authors: a fox. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: ratio rules : a new paradigm for fast , quantifiable data mining. authors: f korn , a labrinidis , y kotidis , c faloutsos. venue: vldb. year: 1998", "productB": "title: ratio rules : a new paradigm for fast , quantifiable data mining. authors: f korn , a labrinidis , y kotidis , c faloutsos. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: e cient and effective clusteringmethodforspatialdatamining. authors: r ng , j han. venue: proc . 1994 int . conf . very large data bases , pages144 { 155 ,. year: nan", "same": true}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: anda . pfeffer , generalizedsearchtreesfordatabase systems . in proc. authors: j hellerstein , j naughton. venue: 21st intl conference on very large databases , zurich , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: advances in databases and information systems ( adbis ). authors: a caplinskas , j eder , o vasilecas. venue: sigmod record. year: 2002", "productB": "title: theast european conference adbis 2001 on advances in databases and information systems . vol . 2 \u00e2 ??. authors: a caplinskas , j eder. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: geominer : a system prototype for spatial data mining. authors: j han , k koperski , n stefanovic. venue: sigmod conference. year: 1997", "productB": "title: geominer : a system prototype for spatial mining. authors: k koperski , j han. venue: proceedings acm-sigmod , arizona ,. year: nan", "same": true}
+{"productA": "title: lessons from wall street : case studies in configuration , tuning , and distribution ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: lessons from wall street : case studies in configuration , tuning , and distribution. authors: d shasha. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: design principles for data-intensive web sites. authors: s ceri , p fraternali , s paraboschi. venue: sigmod record. year: 1999", "productB": "title: design principles for data-intensive web sites. authors: s ceri , p fraternali , s paraboschi. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: extending practical pre-aggregation in on-line analytical processing. authors: t pedersen , c jensen , c dyreson. venue: vldb. year: 1999", "productB": "title: extending practical pre-aggregation in on-line analytical processing. authors: tb pedersen , cs jensen , ce dyreson. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: using semantic values to falilitate interoperability among heterogeneous information systems. authors: e sciore , m siegel , a rosenthal. venue: acm trans . database syst .. year: 1994", "productB": "title: using semantic values to facilitate interoperability among heterogeneous information systems. authors: e sciore , m siegel , a rosenthal. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: the power of languages for the manipulation of complex values. authors: s abiteboul , c beeri. venue: vldb j.. year: 1995", "productB": "title: thepower of languages forthe manipulation of complex values. authors: s abiteboul , c beeri. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: fu . discovery of multiple-level association rules from large databases. authors: j han andy. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: o za\u044fane , j han , z li , s chee , j chiang. venue: sigmod conference. year: 1998", "productB": "title: multimidia data miner : a system prototype for multimedia data miner. authors: or zaiane , j han , zn li , sh chee , j chiang. venue: proc . acm sigmod intl. conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: online dynamic reordering for interactive data processing. authors: v raman , b raman , j hellerstein. venue: vldb. year: 1999", "productB": "title: online dynamic reorderingfor interactive data processing. authors: jm hellerstein , v raman , b raman. venue: proc . intl\u00e2 ?? conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleepers and workaholics : caching strategies in mobile environments ( extended version ). authors: d barbar\u00e3 \u00a1 , t imieli\u00e5?ski. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference. year: 1994", "productB": "title: dennis tsichritzis data modeling of time\u00e2 ?? based media to appear in sigmod 94. authors: s gibbs , c breiteneder. venue: available via ftp from cui . unige .. year: nan", "same": true}
+{"productA": "title: experiments on access to digital libraries : how can images and text be used together. authors: m lesk. venue: vldb. year: 1994", "productB": "title: experiments on access to digital libraries : how can images and text be used together. authors: m lesk. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: functional-join processing. authors: r braumandl , j clau\u043fen , a kemper , d kossmann. venue: vldb j.. year: 2000", "productB": "title: functional-join processing. authors: r braumandl , j claussen , a kemper , d kossmann. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: optimizing result prefetching in web search engines with segmented indices. authors: r lempel , s moran. venue: vldb. year: 2002", "productB": "title: optimizing result prefetching in web search engines with segmented indices .. authors: r lempel , s moran. venue: acm transactions on internet technology ,. year: 2004.0", "same": true}
+{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: r jr. , w bohrer , r brice , a cichocki , j fowler , a helal , v kashyap , t ksiezyk , g martin , m nodine , m rashid , m rusinkiewicz , r shea , c unnikrishnan , a unruh , d woelk. venue: sigmod conference. year: 1997", "productB": "title: infosleuth : agent-based semantic integration of information in open and dynamic environments. authors: r bayanto , w bohrer , r brice\u00e2 ? \u00a6. venue: proc . of acm sigmod international conference management of. year: nan", "same": true}
+{"productA": "title: finding intensional knowledge of distance-based outliers. authors: e knorr , r ng. venue: vldb. year: 1999", "productB": "title: finding intensional knowledge of distance-based outliers. authors: em knorr , rt ng. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules from large databases in proc . 1995 vldb. authors: j han , y fu. venue: zurich , switzerland , sept ,. year: nan", "same": true}
+{"productA": "title: the spiffi scalable video-on-demand system. authors: c freedman , d dewitt. venue: sigmod conference. year: 1995", "productB": "title: the spiffi scalable video-ondemand system. authors: s freedman craig , dj dewitt. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: user-defined table operators : enhancing extensibility for ordbms. authors: m jaedicke , b mitschang. venue: vldb. year: 1999", "productB": "title: enhancing extensibility for ordbms. authors: m jaedicke , b mitschang , udt operators. venue: proceedings of the 25th international conference on very. year: nan", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for large databases , acm-sigmod int . conf. authors: s guha , r rastogi , k shim. venue: management of data ( sigmod\u00e2 ?? 98 ) ,. year: nan", "same": true}
+{"productA": "title: effective page refresh policies for web crawlers. authors: j cho , h garcia-molina. venue: acm trans . database syst .. year: 2003", "productB": "title: effective page refresh policies for web crawlers [ j ]. authors: cho junghoo , h garcia-molina. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: towards an infrastructure for temporal databases : report of an invitational arpa/nsf workshop. authors: nan. venue: nan. year: 1994", "productB": "title: towards an infrastructure for temporal databases : report of an invitational arpa/nsf workshop. authors: a segev , b theodoulidis , ij dayal. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: l liu , c pu , d buttler , w han , h paques , w tang. venue: sigmod conference. year: 2000", "productB": "title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: l liu , c pu , d buttler , w han , h paques , w tang. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: id lin , '' fastmap : afast algorithm for indexing , data-mining and visualization of traditional. authors: c faloutsos andk. venue: conference on data management ( sigmod ) , san jose , ca ,. year: nan", "same": true}
+{"productA": "title: c2p : clustering based on closest pairs. authors: a nanopoulos , y theodoridis , y manolopoulos. venue: vldb. year: 2001", "productB": "title: 2p : clustering based on closest pairs. authors: n alexandros , t yannis , mc yannis. venue: proceedings of the 27th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997", "productB": "title: v. , \u00e2 ?? template-based wrappers in the tsimmis system\u00e2 ??. authors: j hammer , h garcia-molina , s nestorov , r yerneni ,. venue: proceedings of 23 rdacm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: synchronizing a database to improve freshness. authors: j cho , h garcia-molina. venue: sigmod conference. year: 2000", "productB": "title: garcia-molina , h. : synchronizing a database to improve freshness. authors: j cho. venue: & hellip ; of 2000 acm international conference on management of data. year: nan", "same": true}
+{"productA": "title: a normal form for precisely characterizing redundancy in nested relations. authors: w mok , y ng , d embley. venue: acm trans . database syst .. year: 1996", "productB": "title: a normal form for precisely characterizig redundancy in nested relations. authors: w yin , de yiu-kai. venue: acm transactions on database. year: nan", "same": true}
+{"productA": "title: deeds towards a distributed and active real-time database system. authors: s andler , j hansson , j eriksson , j mellin , m berndtsson , b eftring. venue: sigmod record. year: 1996", "productB": "title: deeds towards a distributed and real-time database system. authors: sa andler , j hansson , j eriksson , j mellin , m. venue: sigmod record 25 ( 1 ) ,. year: nan", "same": true}
+{"productA": "title: smart : making db2 ( more ) autonomic. authors: g lohman , s lightstone. venue: vldb. year: 2002", "productB": "title: smart : making db2 ( more ) autonomic. authors: gm lohman , s lightstone. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: roadrunner : automatic data extraction from data-intensive web sites. authors: v crescenzi , g mecca , p merialdo. venue: sigmod conference. year: 2002", "productB": "title: roadrunner : automatic data extraction from data-intensive web sites. authors: v crescenzi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: transactional client-server cache consistency : alternatives and performance. authors: m franklin , m carey , m livny. venue: acm trans . database syst .. year: 1997", "productB": "title: mj , and livny , m. 1997 . transactional client-server cache consistency : alternatives and performance. authors: n frankli , c mj. venue: acm transactions on database. year: nan", "same": true}
+{"productA": "title: oodb indexing by class-division. authors: s ramaswamy , p kanellakis. venue: sigmod conference. year: 1995", "productB": "title: oodb indexing by class-division. authors: s ramaswamy , pc kanellakis. venue: nan. year: nan", "same": true}
+{"productA": "title: efficiently mining long patterns from databases. authors: r jr.. venue: sigmod conference. year: 1998", "productB": "title: efficiently mining long patterns from databases. authors: \u00e2 ? \u00a6. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: using schematically heterogeneous structures. authors: r miller. venue: sigmod conference. year: 1998", "productB": "title: using semantically heterogeneous structures .. authors: rj miller. venue: acm. year: nan", "same": true}
+{"productA": "title: s-topss : semantic toronto publish/subscribe system. authors: m petrovic , i burcea , h jacobsen. venue: vldb. year: 2003", "productB": "title: s-topss : semantic toronto publish/subscribe system. authors: m petrovic , i burcea , ha jacobsen. venue: arxiv preprint cs.dc / 0311041 ,. year: 2003.0", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: on shoring up persistent applications. authors: m zwilling\u00e2 ? \u00a6. venue: proc . of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: n katayama , s satoh. venue: sigmod conference. year: 1997", "productB": "title: the sr-tree : an index structure for high-dimensional nearest neighbor query. authors: n katayama , s satoh. venue: proceedings of 1997 acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: implementing deductive databases by mixed integer programming. authors: c bell , a nerode , r ng , v subrahmanian. venue: acm trans . database syst .. year: 1996", "productB": "title: implementing deductive databases by mixed integer programming , to appear in : acm transactions of. authors: c bell , a nerode , rt ng , vs subrahmanian. venue: 11th symposium on principles of database systems ,. year: nan", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: pull for broadcast data. authors: s acharya , m franklin , s zdonik , b push. venue: proc . acm sigmod conf. , tucson , az , may ,. year: nan", "same": true}
+{"productA": "title: the nimble integration engine. authors: d draper , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: the nimble integration engine. authors: d draper , ay halevy , ds weld. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: tutorial : application servers and associated technologies. authors: c mohan. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: dynamic content acceleration : a caching solution to enable scalable dynamic web page generation. authors: a datta , k dutta , k ramamritham , h thomas , d vandermeer. venue: sigmod conference. year: 2001", "productB": "title: dynamic content acceleration : a caching solution to enable scalable dynamic web page generation. authors: kdkrh thomas , a datta , d vandermeer. venue: proceeding of the fifteenth acm symposium on operating & hellip ; ,. year: nan", "same": true}
+{"productA": "title: information systems research at rwth aachen. authors: m jarke. venue: sigmod record. year: 1995", "productB": "title: information systems research at rwth aachen. authors: m jarke. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: optimal grid-clustering : towards breaking the curse of dimensionality in high-dimensional clustering. authors: a hinneburg , d keim. venue: vldb. year: 1999", "productB": "title: optimal grid-clustering : towards breaking the curse of dimensionality in high-dimensional clustering. authors: a hinneburg , da keim. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: research perspectives for time series management systems. authors: w dreyer , a dittrich , d schmidt. venue: sigmod record. year: 1994", "productB": "title: research perspectives for time series management systems. authors: w dreyer , ak dittrich , d schmidt. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: document management as a database problem. authors: r bayer. venue: vldb. year: 1995", "productB": "title: document management as a database problem. authors: r bayer. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: and d. shasha p. o\u00e2 ?? neil . the dangers of replication and a solution. authors: jn gray , p helland. venue: proceedings of the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: the fittest survives : an adaptive approach to query optimization. authors: h lu , k tan , s dao. venue: vldb. year: 1995", "productB": "title: the fittest survives : an adaptive approach to query optimization. authors: hlkl tan , s dao. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: learning table access cardinalities with leo. authors: v markl , g lohman. venue: sigmod conference. year: 2002", "productB": "title: learning table access cardinalities with leo .. authors: v markl , gm lohman. venue: nan. year: nan", "same": true}
+{"productA": "title: flowback : providing backward recovery for workflow systems. authors: b kiepuszewski , r m\u045chlberger , m orlowska. venue: sigmod conference. year: 1998", "productB": "title: flow-back : providing backward recovery for workflow management systems ; procs . 1998acm sigmod int. authors: b kiepuszewski , r muhlberger , m orlowska. venue: conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: peer-to-peer research at stanford. authors: m bawa , b cooper , a crespo , n daswani , p ganesan , h garcia-molina , s kamvar , s marti , m schlosser , q sun , p vinograd , b yang. venue: sigmod record. year: 2003", "productB": "title: peer to peer research at stanford. authors: m bawa. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: maximizing the output rate of multi-way join queries over streaming information sources. authors: s viglas , j naughton , j burger. venue: vldb. year: 2003", "productB": "title: maximizing the output rate of multi-way join queries over streaming information sources. authors: s viglas , jf naughton , j burger. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: s. , dayal , u. : an overview of datawarehousing and olap technology. authors: cd chaudhuri. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: bluetooth-based sensor networks. authors: p bonnet , a beaufour , m dydensborg , m leopold. venue: sigmod record. year: 2003", "productB": "title: bluetooth-based sensor networks. authors: p bonnet , a beaufour , mb dydensborg , m leopold. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: index structures for selective dissemination of information under the boolean model. authors: t yan , h garcia-molina. venue: acm trans . database syst .. year: 1994", "productB": "title: index structures for selective dissemination of information. authors: tw yan , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: warping indexes with envelope transforms for query by humming. authors: y zhu , d shasha. venue: sigmod conference. year: 2003", "productB": "title: warping indexes with envelope transforms for query by humming . sigmod. authors: y zhu , d shasha. venue: appendix a. experiment results ( section 4.2 ) ,. year: nan", "same": true}
+{"productA": "title: oasis : an online and accurate technique for local-alignment searches on biological sequences. authors: c meek , j patel , s kasetty. venue: vldb. year: 2003", "productB": "title: oasis : an online and accurate technique for local-alignment searches on biological sequences. authors: c meek , jm patel , s kasetty. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: devise : integrated querying and visualization of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: de-vise : integrated querying and visualization of large datasets. authors: m livny , r ramakrishnan , ks beyer , g chen , d. venue: proc acm sigmod intl conf on management of. year: nan", "same": true}
+{"productA": "title: automatic generation of production rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1994", "productB": "title: . s. , and tanca , l. 1992a . automatic generation of production rules for integrity maintenance. authors: s ceri. venue: tech , rep. 92-054 , pohtecmco dl milano , dlpartlmento di. year: nan", "same": true}
+{"productA": "title: inverted files versus signature files for text indexing. authors: j zobel , a moffat , k ramamohanarao. venue: acm trans . database syst .. year: 1998", "productB": "title: inverted files versus signature files for text indexing. authors: jz rmit , a moffat , k ramamohanarao. venue: acm trac . database system ,. year: nan", "same": true}
+{"productA": "title: ordered shared locks for real-time databases. authors: d agrawal , a abbadi , r jeffers , l lin. venue: vldb j.. year: 1995", "productB": "title: ordered shared locks for real-time databases. authors: d agrawal , a el abbadi , r jeffers , l lin. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: y zhao , p deshpande , j naughton. venue: sigmod conference. year: 1997", "productB": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: y zhao , pm deshpande , jf naughton. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: the merge/purge problem for large databases. authors: m hern\u0441ndez , s stolfo. venue: sigmod conference. year: 1995", "productB": "title: the merge/purge problem for large databases. authors: s stolfo. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: on completeness of historical relational data models. authors: j clifford , a croker , a tuzhilin. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: use of a component architecture in integrating relational and non-relational storage systems. authors: r atkinson. venue: sigmod conference. year: 1995", "productB": "title: use of a component architecture in integrating relational and non-relational. authors: r atkinson. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mocha : a self-extensible middleware system for distributed data sources. authors: m rodr\u00e4 \u00b1 guez-mart\u00e4 \u00b1 nez , n roussopoulos. venue: proc . acmsigmod. year: nan", "same": true}
+{"productA": "title: large-scale , standards-based earth observation imagery and web mapping services. authors: p baumann. venue: vldb. year: 2003", "productB": "title: large-scale , standards-based earth observation imagery and web mapping services. authors: p baumann. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: operating system extensions for the teradata parallel vldb. authors: j catozzi , s rabinovici. venue: vldb. year: 2001", "productB": "title: operating system extensions for the teradata parallel vldb. authors: j catozzi , s rabinovici. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: effective & efficient document ranking without using a large lexicon. authors: y ogawa. venue: vldb. year: 1996", "productB": "title: effective & efficient document ranking without using a large lexicon. authors: y ogawa. venue: proceedings of the 22th international conference on very & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: dynamic service matchmaking among agents in open information environments. authors: k sycara , m klusch , s widoff , j lu. venue: sigmod record. year: 1999", "productB": "title: m. , and widoff s. : dynamic service matchmaking among agents in open information environments. authors: k sycara , k lu. venue: journal acm sigmod record , special issue on semantic. year: nan", "same": true}
+{"productA": "title: delaunay : a database visualization system. authors: i cruz , m averbuch , w lucas , m radzyminski , k zhang. venue: sigmod conference. year: 1997", "productB": "title: delaunay : a database visualization system. authors: ifcm averbuch. venue: nan. year: nan", "same": true}
+{"productA": "title: querying xml views of relational data. authors: j shanmugasundaram , j kiernan , e shekita , c fan , j funderburk. venue: vldb. year: 2001", "productB": "title: querying xml views of relational data - group of 2 & raquo ;. authors: j shanmugasundaram , j kiernan , e shekita , c fan , j. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: effective memory use in a media server. authors: e chang , h garcia-molina. venue: vldb. year: 1997", "productB": "title: effective memory use in a media server ( extended version ) . stan-ford technical report sidl-ivp -. authors: e chang , h garcia-molina. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: xquery formal semantics : state and challenges. authors: p fankhauser. venue: sigmod record. year: 2001", "productB": "title: xquery formal semantics : state and challenges. authors: p fankhauser. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: vldb. year: 1995", "productB": "title: procedures in object-oriented query languages. authors: k subieta , y kambayashi , j leszczylowski. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: the effectiveness of gloss for the text database discovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: sigmod conference. year: 1994", "productB": "title: the effectiveness of gloss for the text database recovery problem. authors: l gravano , h garcia-molina , a tomasic. venue: proc . of the acm sigmod conference , minneapolis , minnesota ,. year: nan", "same": true}
+{"productA": "title: relational data sharing in peer-based data management systems. authors: b ooi , y shu , k tan. venue: sigmod record. year: 2003", "productB": "title: relational data sharing in peer-based data management systems. authors: b ooi. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: spatial joins using r-trees : breadth-first traversal with global optimizations. authors: y huang , n jing , e rundensteiner. venue: vldb. year: 1997", "productB": "title: nj , and ea rundensteiner . spatial joins using r-trees : breadth-first traversal with global. authors: yw huang. venue: vldb\u00e2 ?? 97 , proceedings of 23rd international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: c dyreson , m b\u0456hlen , c jensen. venue: vldb. year: 1999", "productB": "title: capturing and querying multiple aspects of semistructured data. authors: ce dyreson , mh bohlen , cs jensen. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: enhancing external consistency in real-time transactions. authors: k lin , s peng. venue: sigmod record. year: 1996", "productB": "title: enhancing external consistency in real-time transactions. authors: kj lin , cs peng. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: towards an infrastructure for temporal databases : report of an invitational arpa/nsf workshop. authors: nan. venue: nan. year: 1994", "productB": "title: b. theodoulidis , and u. dayal , \\ \\ towards an infrastructure for temporal databases , ''. authors: n pissinou , r snodgrass , r elmasri , i mumick , t. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: database research at the indian institute of technology , bombay. authors: d phatak , n sarda , s seshadri , s sudarshan. venue: sigmod record. year: 1996", "productB": "title: database research at the indian institute of technology , bombay. authors: db phatak , nl sarda , s seshadri , s sudarshan. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: cumulative updates. authors: s sripada , b w\u045cthrich. venue: vldb. year: 1994", "productB": "title: cumulative updates. authors: sm sripada. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: tabular placement of relational data on mems-based storage devices. authors: h yu , d agrawal , a abbadi. venue: vldb. year: 2003", "productB": "title: tabular placement of relational data on mems-based storage devices. authors: h yu , d agrawal. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: querying a multilevel database : a logical analysis. authors: f cuppens. venue: vldb. year: 1996", "productB": "title: querying a multilevel database : a logical analysis. authors: f cuppens. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: multi-table joins through bitmapped join indices. authors: p o'neil , g graefe. venue: sigmod record. year: 1995", "productB": "title: multi-table joins through bitmapped join indices. authors: g graefe , po\u00e2 ?? neil. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: join synopses for approximate query answering. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: poosalav. , ramaswamy s. join synopses for approximate query answering. authors: s acharya , pb gibbons. venue: proc . 1999 acm sigmod international conference on management. year: nan", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: discovering all most specific sentences. authors: d gunopulos , r khardon , h mannila , s saluja , h toivonen , r sharm. venue: acm trans . database syst .. year: 2003", "productB": "title: discovering all most specific sentences by randomized algorithms extended abstract. authors: d gunopulos , h manila , s saluja. venue: technical report , academy of finland ,. year: nan", "same": true}
+{"productA": "title: sequoia 2000 metadata schema for satellite images. authors: j anderson , m stonebraker. venue: sigmod record. year: 1994", "productB": "title: sequoia 2000 metadata schema for satellite images. authors: jt anderson , m stonebraker. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: j oh , k hua. venue: sigmod conference. year: 2000", "productB": "title: an efficient and cost-effective technique for browsing , querying and indexing large video databases. authors: j oh , ka hua. venue: acm sigmod , dallas , tx , may ,. year: nan", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: p. oneil a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: rondo : a programming platform for generic model management. authors: s melnik , e rahm , p bernstein. venue: sigmod conference. year: 2003", "productB": "title: rondo : a programming platform for generic model management. authors: pa bernstein , s melnik , e rahm. venue: proc . acm sigmod ,. year: 2003.0", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communications environment . acm sigmod int. authors: s acharya , r alonso , mj franklin , s zdonik. venue: conference on management of data ( sigmod 95 ) , san jose , ca ,. year: nan", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: fast subsequence matchingin time-seriesdatabases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: nearest neighbor query. authors: n roussopoulos , s kelly , f vincent. venue: proc . of acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: sonar : system for optimized numeric associationrules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: sigmod conference. year: 1996", "productB": "title: sonar : system for optimized numeric associationrules .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimizationofquerieswithuserdefined predicates. authors: s chaudhuri , k shim. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: buffering and read-ahead strategies for external mergesort. authors: w zhang , p larson. venue: vldb. year: 1998", "productB": "title: buffering and read-ahead strategies for external mergesort. authors: w zhang , pa larson. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: query caching and optimization in distributed media systems. authors: s adali , ks candan , y papakonstantinou , vs. venue: proc . of. year: nan", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective clustering methods for spatial data mining. authors: tn raymond , j han. venue: proc . of vldb conf ,. year: nan", "same": true}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: sequnce query processing. authors: p seshadri , m livny , r ramakrishnan. venue: proc . of the acm sigmod conf. , pages430441 , minneapolis , mn , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: l lakshmanan , f sadri , i subramanian. venue: vldb. year: 1996", "productB": "title: schemasql-a language for interoperability in relational multi-database systems. authors: lvs lakshmanan. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: workflow automation : applications , technology , and research ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: workflow automation : technology , applications , and research. authors: a sheth. venue: caise 95 tutorial. year: nan", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , s mehrotra , m pazzani. venue: sigmod conference. year: 2001", "productB": "title: mehrotra . 2001 . locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , m pazzani. venue: proceedings of 2001 acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: september 1995 . generalising gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-mol\u00e4 \u00b1 na. venue: proceedings of 21st international conference on very large. year: nan", "same": true}
+{"productA": "title: quadtree and r-tree indexes in oracle spatial : a comparison using gis data. authors: k kanth , s ravada , d abugov. venue: sigmod conference. year: 2002", "productB": "title: quadtree and r-tree indexes in oracle spatial : a comparison using gis data. authors: rkv kothuri. venue: proceedings of acm sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: efficient computation of iceberg cubes with complex measures. authors: j han , j pei , g dong , k wang. venue: sigmod conference. year: 2001", "productB": "title: efficient computation of iceberg cubes with complex measures. authors: j han , j pei , g dong , k wang. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: alon levy . a scalable algorithm for answering queries using views. authors: r pottinger. venue: proc of the 26th int &#39; l conf on very large data bases ( vldb ) . & hellip ; ,. year: nan", "same": true}
+{"productA": "title: why decision support fails and how to fix it. authors: r kimball , k strehlo. venue: sigmod record. year: 1995", "productB": "title: why decision support fails and how to fix it. authors: r kimball , k strehlo. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: a taxonomy for secure object-oriented databases. authors: m olivier , s solms. venue: acm trans . database syst .. year: 1994", "productB": "title: a taxonomy for secure object-oriented databases. authors: ms olivier , sh von solms. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: answering queries with aggregation using views. authors: d srivastava , s dar , h jagadish , a levy. venue: vldb. year: 1996", "productB": "title: answering queries with aggregation using views. authors: s dar , hv jagadish , ay levy , d srivastava. venue: vldb conf. , bombay ,. year: nan", "same": true}
+{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: r cochrane , h pirahesh , n mattos. venue: vldb. year: 1996", "productB": "title: integrating triggers and declarative constraints in sql database systems. authors: r cochrane , h pirahesh , nm mattos. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: on the semantics of `` now '' in databases. authors: j clifford , c dyreson , t isakowitz , c jensen , r snodgrass. venue: acm trans . database syst .. year: 1997", "productB": "title: on the semantics of \u00e2 ?? now ` in databases. authors: rt snodgrass. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: mining long sequential patterns in a noisy environment. authors: j yang , w wang , p yu , j han. venue: sigmod conference. year: 2002", "productB": "title: mining long sequential patterns in a noisy environment. authors: j yang , w wang , ps yu , j han. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: eager aggregation and lazy aggregation. authors: w yan , p larson. venue: vldb. year: 1995", "productB": "title: eager aggregation and lazy aggregation. authors: wp yan , pa larson. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: workshop on workflow management in scientific and engineering applications - report. authors: nan. venue: nan. year: 1997", "productB": "title: the wasa approach to workflow management for scientific applications. authors: g vossen , m weske. venue: nan. year: nan", "same": true}
+{"productA": "title: query execution techniques for caching expensive methods. authors: j hellerstein , j naughton. venue: sigmod conference. year: 1996", "productB": "title: query execution techniques for caching expensive predicates. authors: jm hellerstein , j naughton. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: updating xml. authors: i tatarinov , z ives , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: weld\u00e2 ?? , d. 2001 . updating xml. authors: i tatarinov , z ives , a halevy. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: distributed top-n query processing with possibly uncooperative local systems. authors: c yu , g philip , w meng. venue: vldb. year: 2003", "productB": "title: distributed top-n query processing with possibly uncooperative local systems. authors: c yu , g philip , w meng. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: stholes : a multidimensional workload-aware histogram. authors: n bruno , s chaudhuri , l gravano. venue: sigmod conference. year: 2001", "productB": "title: stholes : a multidimensional workload-aware histogram in : proceedings of the 2001 acm sigmod. authors: n bruno , s chaudhuri , l gravano. venue: santa barbara , may ,. year: nan", "same": true}
+{"productA": "title: databases and visualization. authors: d keim. venue: sigmod conference. year: 1996", "productB": "title: databases and visualization , tutorial. authors: da keim. venue: proceedings of acm sigmod international conference . on. year: nan", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: your mediators need data conversion !. authors: sccdj simgon , k smaga. venue: nan. year: nan", "same": true}
+{"productA": "title: global optimization of histograms. authors: h jagadish , h jin , b ooi , k tan. venue: sigmod conference. year: 2001", "productB": "title: global optimization of histograms. authors: hv jagadish , h jin , bc ooi , kl tan. venue: nan. year: nan", "same": true}
+{"productA": "title: research and products : are they relevant to each other ? ( panel ). authors: h edelstein. venue: sigmod conference. year: 1995", "productB": "title: research and products\u00e2 ?? are they relevant to each other ? ( panel session ). authors: h edelstein. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: proxy-based acceleration of dynamically generated content on the world wide web : an approach and implementation. authors: a datta , k dutta , h thomas , d vandermeer , s suresha , k ramamritham. venue: sigmod conference. year: 2002", "productB": "title: suresha , and k. ramamritham . proxy-based acceleration of dynamically generated content on the world. authors: a datta , k dutta , h thomas , d vandermeer. venue: proceedings of sigmod-2002 ,. year: nan", "same": true}
+{"productA": "title: panel : is generic metadata management feasible ?. authors: p bernstein , l haas , m jarke , e rahm , g wiederhold. venue: vldb. year: 2000", "productB": "title: panel : is generic metadata management feasible ?. authors: pa bernstein. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: structural matching and discovery in document databases. authors: j wang , d shasha , g chang , l relihan , k zhang , g patel. venue: sigmod conference. year: 1997", "productB": "title: structural matching and discovery in document databases. authors: jtl wang , gjs chang. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: solving satisfiability and implication problems in database systems. authors: s guo , w sun , m weiss. venue: acm trans . database syst .. year: 1996", "productB": "title: solving satisfiability and implication problems in database systems. authors: s guo , w sun , ma weiss. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: fast evaluation techniques for complex similarity queries. authors: k b\u0456hm , m mlivoncic , h schek , r weber. venue: vldb. year: 2001", "productB": "title: fast evaluation techniques for complex similarity queries. authors: , m mlivoncic , hj schek , r weber. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large databases. authors: ra as941 , r srikant. venue: proceedings of international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb. year: 1999", "productB": "title: spirit : sequential pattern mining with regular expression constraints. authors: g minos , r rajeev , s kyuseok. venue: proceedings of 25th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: experience report : exploiting advanced database optimization features for large-scale sap r/3 installations. authors: b zeller , a kemper. venue: vldb. year: 2002", "productB": "title: experience report : exploiting advanced database optimization features for large-scale sap r/3. authors: b zeller , a kemper. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: new sampling-based summary statistics for improving approximate query answers. authors: p gibbons , y matias. venue: sigmod conference. year: 1998", "productB": "title: new sampling-based summary statistics for improving approximate query answers. authors: pb gibbons , y matias. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: analysis of sigmod 's co-authorship graph. authors: m nascimento , j sander , j pound. venue: sigmod record. year: 2003", "productB": "title: analysis of sigmods co-authorship graph. authors: m nascimento\u00e2 ? \u00a6. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: solving satisfiability and implication problems in database systems. authors: s guo , w sun , m weiss. venue: acm trans . database syst .. year: 1996", "productB": "title: solving satisfiability problems in database systems. authors: s guo , w sun , ma weiss. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record. year: 1994", "productB": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: a toolkit for negotiation support interfaces to multi-dimensional data. authors: m gebhardt , m jarke , s jacobs. venue: sigmod conference. year: 1997", "productB": "title: codecide\u00e2 ?? a toolkit for negotiation support interfaces to multi-dimensional data. authors: m gebhardt , m jarke , s jacobs. venue: proc . acm-sigmod conf . management of. year: nan", "same": true}
+{"productA": "title: sybase replication server. authors: a gorelik , y wang , m deppe. venue: sigmod conference. year: 1994", "productB": "title: sybase replication server. authors: agy wang , m deppe. venue: nan. year: nan", "same": true}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: temporal aggregation in active database rules. authors: , c zaniolo. venue: nan. year: nan", "same": true}
+{"productA": "title: spatial joins using r-trees : breadth-first traversal with global optimizations. authors: y huang , n jing , e rundensteiner. venue: vldb. year: 1997", "productB": "title: spatial joins using r-trees : breadth-first traversal with global optimizations. authors: yw huang , n jing , ea rundensteiner. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: optimizing multidimensional index trees for main memory access. authors: k kim , s cha , k kwon. venue: sigmod conference. year: 2001", "productB": "title: optimizing multidimensional index trees for main memory access. authors: k kim , sk cha , k kwon. venue: nan. year: nan", "same": true}
+{"productA": "title: a quantitative analysis and performance study for similarity-search methods in high-dimensional spaces. authors: r weber , h schek , s blott. venue: vldb. year: 1998", "productB": "title: quantitative analysis and performance study for similarity search methods in high-dimensional spaces. authors: r weber , s hans-j , s blott. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: integrated document caching and prefetching in storage hierarchies based on markov-chain predictions. authors: a kraiss , g weikum. venue: vldb j.. year: 1998", "productB": "title: integrated document caching and prefetching in storage hierarchies based on markov-chain predictions. authors: a kraiss , g weikum. venue: springer-verlag ,. year: nan", "same": true}
+{"productA": "title: statix : making xml count. authors: j freire , j haritsa , m ramanath , p roy , j sim\u0449on. venue: sigmod conference. year: 2002", "productB": "title: j. sim eon.\u00e2 ?? statix : making xml count\u00e2 ??. authors: j freire , jr haritsa , m ramanath , p roy. venue: proc . of the 2002 acm sigmod intl. conf . on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: ghost : fine granularity buffering of indexes. authors: c goh , b ooi , d sim , k tan. venue: vldb. year: 1999", "productB": "title: ghost : fine granularity buffering of indexes. authors: ch goh , bc ooi , d sim , kl tan. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: m. , l. : \u00e2 ?? birch : an efficient data clustering method for very large databases\u00e2 ??. authors: t zhang , r ramakrishnan. venue: proc . acm sigmod int . conf . on management of data ( sigmod\u00e2 ??. year: nan", "same": true}
+{"productA": "title: data stream query processing : a tutorial. authors: nan. venue: nan. year: 2003", "productB": "title: data stream query processing. authors: n koudas , d srivastava. venue: proceedings of 29th international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: combinatorial pattern discovery for scientific data : some preliminary results. authors: j wang , g chirn , t marr , b shapiro , d shasha , k zhang. venue: sigmod conference. year: 1994", "productB": "title: b. shapiro , d. shasha , and k. zhang , combinatorial pattern discovery for scientific data : some. authors: lw jt , gw chirn , tg marr. venue: proc . sigmod\u00e2 ?? 94 ,. year: nan", "same": true}
+{"productA": "title: improving index performance through prefetching. authors: s chen , p gibbons , t mowry. venue: sigmod conference. year: 2001", "productB": "title: improving index performance through prefetching. authors: c shimim , pb gibbons , tc mowny. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: a foundation for representing and quering moving objects. authors: r g\u045cting , m b\u0456hlen , m erwig , c jensen , n lorentzos , m schneider , m vazirgiannis. venue: acm trans . database syst .. year: 2000", "productB": "title: a foundation for representing and querying moving objects. authors: mh b\u00e3 \u00b6 hlen , rh g\u00e3 1/4 ting , m erwig , cs jensen , na. venue: acm transactions on database systems 25 : 1. year: nan", "same": true}
+{"productA": "title: the context interchange mediator prototype. authors: s bressan , c goh , k fynn , m jakobisiak , k hussein , h kon , t lee , s madnick , t pena , j qu , a shum , m siegel. venue: sigmod conference. year: 1997", "productB": "title: the context interchange mediator prototype. authors: s bressan. venue: nan. year: nan", "same": true}
+{"productA": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro , s zdonik. venue: sigmod conference. year: 1999", "productB": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro ,. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: fine-grained sharing in a page server oodbms. authors: m carey , m franklin , m zaharioudakis. venue: sigmod conference. year: 1994", "productB": "title: fine-grained sharing in a page server oodbms , '' acm sigmod intl. authors: m carey , mj franklin , m zaharioudakis. venue: conf . on management of data , minneapolis , mi , may ,. year: nan", "same": true}
+{"productA": "title: a comprehensive xquery to sql translation using dynamic interval encoding. authors: d dehaan , d toman , m consens , m \u0436zsu. venue: sigmod conference. year: 2003", "productB": "title: a comprehensive xquery to sql translation using dynamic interval coding. authors: d dehaan , d toman , mp consens , mt ozsu. venue: proceedings of the acm. year: nan", "same": true}
+{"productA": "title: the query by image content ( qbic ) system. authors: j ashley , m flickner , j hafner , d lee , w niblack , d petkovic. venue: sigmod conference. year: 1995", "productB": "title: e. alli , '' query by image and video content : the qbic system , ''. authors: m flickner. venue: ieee computer ,. year: nan", "same": true}
+{"productA": "title: replication , consistency , and practicality : are these mutually exclusive ?. authors: t anderson , y breitbart , h korth , a wool. venue: sigmod conference. year: 1998", "productB": "title: replication , consistency and practicality : are these mutually exclusive. authors: a todd , b yuri , fk henry , w avishai. venue: procs . of the acm sigmod international conf . on management. year: nan", "same": true}
+{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: a keller , j basu. venue: vldb j.. year: 1996", "productB": "title: a predicate-based caching scheme for client-server database architectures , the vldb journal. authors: am keller , j basu. venue: nan. year: nan", "same": true}
+{"productA": "title: distributed deviation detection in sensor networks. authors: t palpanas , d papadopoulos , v kalogeraki , d gunopulos. venue: sigmod record. year: 2003", "productB": "title: distributed deviation detection in sensor networks. authors: tpdpv kalogeraki , d gunopulos. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k b\u0456hm , k aberer , e neuhold , x yang. venue: vldb j.. year: 1997", "productB": "title: yangx . structured document storage and refined declarative and navigational access mechanisms in. authors: k boehm , nej abererk. venue: int j very large data bases ,. year: nan", "same": true}
+{"productA": "title: schema mapping as query discovery. authors: r miller , l haas , m hern\u0441ndez. venue: vldb. year: 2000", "productB": "title: clio : schema mapping as query discovery. authors: rj miller , l haas , m hernandez. venue: proceedings of the 26th vldb conference , cairo , egypt ,. year: nan", "same": true}
+{"productA": "title: extracting schema from semistructured data. authors: s nestorov , s abiteboul , r motwani. venue: sigmod conference. year: 1998", "productB": "title: extracting schema from semistructured data. authors: s nestrov , s abiteboul , r motwani. venue: proc . sigkdd\u00e2 ?? 98 ,. year: nan", "same": true}
+{"productA": "title: broadcast disks : data management for asymmetric communications environments. authors: s acharya , r alonso , m franklin , s zdonik. venue: sigmod conference. year: 1995", "productB": "title: broadcast disks : data management for asymmetric communications environments. authors: sa pi , r alonso , m franklin , s zdonik. venue: proceedings of acm sigmod conference , san jose , ca , may ,. year: nan", "same": true}
+{"productA": "title: optimization of run-time management of data intensive web-sites. authors: d florescu , a levy , d suciu , k yagoub. venue: vldb. year: 1999", "productB": "title: optimization of run-time management of data intensive web-sites. authors: d florescu , a levy , d suciu , k yagoub. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: using referential integrity to easily define consistent subset replicas. authors: b hammond. venue: vldb. year: 1996", "productB": "title: using referential integrity to easily define consistent subset replicas. authors: b hammond. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: a pattern-based object calculus. authors: n kamel , p wu , s su. venue: vldb j.. year: 1994", "productB": "title: a pattern-based object calculus. authors: n kamel , p wu , syw su. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: neurorule : a connectionist approach to data mining. authors: h lu , r setiono , h liu. venue: vldb. year: 1995", "productB": "title: rudy setiiono , huan liu , a connectionist approach to data mining. authors: h lu. venue: proceedings of the 21st vldb , zurish , swizerland ,. year: nan", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: the danger of replicationand a solution. authors: j gray , p helland , po ` neil , d shasha. venue: acm sigmod int . conf on management of data , montreal , june ,. year: nan", "same": true}
+{"productA": "title: small worlds : the dynamics of networks between order and randomness - book review. authors: nan. venue: nan. year: 2002", "productB": "title: small worlds : the dynamics of networks between order and randomness. authors: j wu , dj watts. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: hierarchies and relative operators in the olap environment. authors: e pourabbas , m rafanelli. venue: sigmod record. year: 2000", "productB": "title: hierarchies and relative operators in the olap environment. authors: e pourabbas , m rafanelli. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: reasoning about spatial relationships in picture retrieval systems. authors: a sistla , c yu , r haddad. venue: vldb. year: 1994", "productB": "title: reasoning about spatial relationships in picture retrieval systems. authors: ap sistla , ct yu , r haddad. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: ptool : a scalable persistent object manager. authors: r grossman , x qin. venue: sigmod conference. year: 1994", "productB": "title: ptool : a scalable persistent object manager. authors: rl grossman , x qin. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: the n-tier hub technology. authors: r sommer , t gulledge , d bailey. venue: sigmod record. year: 2002", "productB": "title: d. bailay ( 2002 ) \u00e2 ?? the n-tier hub technology\u00e2 ??. authors: r sommer , t gulledge. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: approximate query processing using wavelets. authors: k chakrabarti , m garofalakis , r rastogi , k shim. venue: vldb j.. year: 2001", "productB": "title: approximate query processing using wavelets. authors: kc cgrs , mn garofalakis , r rastogi , k shim. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: lopix : a system for xml data integration and manipulation. authors: w may. venue: vldb. year: 2001", "productB": "title: lopix : a system for xml data integration and manipulation. authors: w may. venue: nan. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation ( to appear ). authors: j han , j pei , y yin. venue: proceedings of the 2000 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: scalable sweeping-based spatial join. authors: l arge , o procopiuc , s ramaswamy , t suel , j vitter. venue: vldb. year: 1998", "productB": "title: jeffrey . s. vitter . scalable sweeping-based spatial join. authors: l arge , o procopiuc , s ramaswamy , t suel. venue: proceedings of the 24th vldb. year: nan", "same": true}
+{"productA": "title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data. authors: s berger , f bry , s schaffert , c wieser. venue: vldb. year: 2003", "productB": "title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data (. authors: s berger , f bry , s schaffert , c wieser. venue: nan. year: nan", "same": true}
+{"productA": "title: random sampling techniques for space efficient online computation of order statistics of large datasets. authors: g manku , s rajagopalan , b lindsay. venue: sigmod conference. year: 1999", "productB": "title: random samplingtechniques for space efficient computation of large dataset s. authors: g singh , s rajagopalan , b lindsay. venue: proceedings of sigmod , philladelphia pa ,. year: nan", "same": true}
+{"productA": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: n krivokapic , a kemper , e gudes. venue: vldb j.. year: 1999", "productB": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance. authors: n krivokapi\u00e4 ? , a kemper , e gudes. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: efficient schemes for managing multiversionxml documents. authors: s chien , v tsotras , c zaniolo. venue: vldb j.. year: 2002", "productB": "title: efficient schemes for managing multiversionxml documents. authors: sy chien , vj tsotras , c zaniolo. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large database. authors: a rakesh , r srikant. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: experiences in federated databases : from iro-db to miro-web. authors: p fankhauser , g gardarin , m lopez , j mu\u0451oz , a tomasic. venue: vldb. year: 1998", "productB": "title: experiences in federated databases : from iro-db to miro-web . 24st conf . on very large databases. authors: p fankhauser , g gardarin , m lopez , j munoz , a. venue: new york , ny ,. year: nan", "same": true}
+{"productA": "title: cheetah : a lightweight transaction server for plug-and-play internet data management. authors: g pardon , g alonso. venue: vldb. year: 2000", "productB": "title: cheetah : a lightweight transaction server for plug-and-play internet data management. authors: g pardon , g alonso. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: efficient and effective clustering methods for spatial data mining , proc. authors: r ng , j han. venue: vldb. year: nan", "same": true}
+{"productA": "title: integrating sql databases with content-specific search engines. authors: s de\u043floch , n mattos. venue: vldb. year: 1997", "productB": "title: integrating sql databases with content-specific search engines. authors: s dessloch , n mattos. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: tigukat : a uniform behavioral objectbase management system. authors: m \u0436zsu , r peters , d szafron , b irani , a lipka , a mu\u0451oz. venue: vldb j.. year: 1995", "productB": "title: tigukat : a uniform behavioral objectbase management system .. authors: rj peters. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: predator : a resource for database research. authors: p seshadri. venue: sigmod record. year: 1998", "productB": "title: predator : a resource for database research .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: indexing the distance : an efficient method to knn processing. authors: c yu , b ooi , k tan , h jagadish. venue: vldb. year: 2001", "productB": "title: indexing the distance : an efficient method to knn processing. authors: bc ooi , c yu , kl tan , hv jagadish. venue: proc of the 27th vldb conf . rome , italy : morgan kaufmann ,. year: nan", "same": true}
+{"productA": "title: efficient exploration of large scientific databases. authors: e stolte , g alonso. venue: vldb. year: 2002", "productB": "title: efficient exploration of large scientific databases. authors: e stolte , g alonso. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: tutorial : ldap directory services - just another database application ?. authors: nan. venue: nan. year: 2000", "productB": "title: ldap directory services-just another database application ? ( tutorial session ). authors: s shukla , a deshpande. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: foundations of statistical natural language processing - book review. authors: nan. venue: nan. year: 2002", "productB": "title: foundations of statistical natural language processing. authors: g weikum. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p seshadri. venue: vldb j.. year: 1994", "productB": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: new tpc benchmarks for decision support and web commerce. authors: m p\u0456ss , c floyd. venue: sigmod record. year: 2000", "productB": "title: new tpc benchmarks for decision support and web commerce . the sigmod record , 29 ( 4 ). authors: m poess , c floyd. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: improving oltp data quality using data warehouse mechanisms. authors: m jarke , c quix , g blees , d lehmann , g michalk , s striel. venue: sigmod conference. year: 1999", "productB": "title: improving oltp data quality using data warehouse mechanisms. authors: m jarke , c quix , g blees , d lehmann , g michalk. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: dual-buffering strategies in object bases. authors: a kemper , d kossmann. venue: vldb. year: 1994", "productB": "title: dual-buffering strategies in object bases. authors: a kemper , d kossmann. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: what happens during a join ? dissecting cpu and memory optimization effects. authors: s manegold , p boncz , m kersten. venue: vldb. year: 2000", "productB": "title: what happens during a join. authors: s manegold , pa boncz , ml kersten. venue: dissecting cpu and memory optimization effects . in the 26th & hellip ; ,. year: nan", "same": true}
+{"productA": "title: mining frequent itemsets using support constraints. authors: k wang , y he , j han. venue: vldb. year: 2000", "productB": "title: mining frequent itemsets using support constraints. authors: k wang , y he , j han. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: composing mappings among data sources. authors: j madhavan , a halevy. venue: vldb. year: 2003", "productB": "title: composing mappings among data sources. authors: a halevy , j madhavan. venue: proceedings of the conference on very large databases , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: data stream query processing : a tutorial. authors: nan. venue: nan. year: 2003", "productB": "title: data stream query processing : a tutorial. authors: n koudas , d srivastava. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a database model for object dynamics. authors: m papazoglou , b kr\u0444mer. venue: vldb j.. year: 1997", "productB": "title: a database model for object dynamics. authors: mp papazoglou , bj kr\u00e3 $ mer. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: tam : a system for dynamic transactional activity management. authors: t zhou , l liu , c pu. venue: sigmod conference. year: 1999", "productB": "title: tam : a system for dynamic transactional activity management. authors: t zhou. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: datawarehousing has more colours than just black & white. authors: t zurek , m sinnwell. venue: vldb. year: 1999", "productB": "title: datawarehousing has more colours than just black and white. authors: t zurek , m sinnwell. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: multiway spatial joins. authors: n mamoulis , d papadias. venue: acm trans . database syst .. year: 2001", "productB": "title: multiway spatial joins. authors: n mamoulis , d papadias. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: enterprise java platform data access. authors: s white , r cattell , s finkelstein. venue: sigmod conference. year: 1998", "productB": "title: enterprise java platform data access. authors: s white , r cattell , s finkelstein. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: eager aggregation and lazy aggregation. authors: w yan , p larson. venue: vldb. year: 1995", "productB": "title: larson p. eager aggregation and lazy aggregation [ a ] . in ; umeshwar d , peter mdg , eds. authors: pw yan. venue: proceedings of the 21st international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: r inria. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: adaptable similarity search in large image databases. authors: t seidl , hp kriegel. venue: nan. year: nan", "same": true}
+{"productA": "title: merge replication in microsoft 's sql server 7.0. authors: b hammond. venue: sigmod conference. year: 1999", "productB": "title: merge replication in microsoft\u00e2 ?? s sql server 7.0. authors: b hammond. venue: proceedings of the 1999 acm sigmod international conference & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: r. rastogi , and k. shim . cure : an efficient clustering algorithm for large databases. authors: s guha. venue: proc . 1998 acm-sigmod int . conf . management of data ( sigmod & hellip ; ,. year: nan", "same": true}
+{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: r braumandl , j clau\u043fen , a kemper. venue: vldb. year: 1998", "productB": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented. authors: r braumandl , j claussen , a kemper. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: providing better support for a class of decision support queries. authors: s rao , a badia , d gucht. venue: sigmod conference. year: 1996", "productB": "title: sg and badia . 1996 . providing better support for a class of decision support systems. authors: agd rao. venue: & hellip ; sigmod international conference on management of data ( 1996. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: mining frequent patterns without candidate generation . in 2000 acm sigmod intl. authors: j han , j pei , y yin. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: schwarz pm don\u00e2 ?? t scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: mt roth. venue: proc . 23rdvldb conference , athens , greece , aug ,. year: nan", "same": true}
+{"productA": "title: agents , turst , and information access on the semantic web. authors: t finin , a joshi. venue: sigmod record. year: 2002", "productB": "title: agents , turst , and information access on the semantic web. authors: t finin , a joshi. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules . 20th int. authors: r agrawal , r skrikant. venue: conf . on very large databases ( vldb ) . santiago de chile ,. year: nan", "same": true}
+{"productA": "title: the incinerate data model. authors: h jagadish. venue: acm trans . database syst .. year: 1995", "productB": "title: the incinerate data model. authors: hv jagadish. venue: acm transactions on database systems ,. year: 1995.0", "same": true}
+{"productA": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: nan. year: nan", "same": true}
+{"productA": "title: mindreader : querying databases through multiple examples. authors: y ishikawa , r subramanya , c faloutsos. venue: vldb. year: 1998", "productB": "title: mindreader : query databases through multiple examples. authors: y ishikawa , r subramanya , c faloutsos. venue: proc . of the 24th vldb conference ,. year: nan", "same": true}
+{"productA": "title: catching the boat with strudel : experiences with a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1998", "productB": "title: catc hingthe boat with strudel : experiences with aw eb-sitemanagement system. authors: m fernandez , d florescu , j kang , a levy. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: david dewitt speaks out. authors: m winslett. venue: ecord. year: 2002", "productB": "title: david dewitt speaks out. authors: s be proud , hsfis very , p spent. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: eos : an extensible object store. authors: a biliris , e panagos. venue: sigmod conference. year: 1994", "productB": "title: eos : an extensible object store. authors: a biliris , e panagos. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: q cheng , j gryz , f koo , t leung , l liu , x qian , k schiefer. venue: vldb. year: 1999", "productB": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: q cheng , j gryz , f koo , tyc leung , l liu , x qian ,. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: efficiently mining long patterns from databases. authors: r jr.. venue: sigmod conference. year: 1998", "productB": "title: efficiently mining long patterns from datasets. authors: rj bayardo. venue: proc . acm sigmod , int\u00e2 ?? l conf . management of data ,. year: nan", "same": true}
+{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?the x-tree : an index structure for high-dimensional data\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: s berchtold , d keim , hp kriegel. venue: proceedings of the 22nd vldb. year: nan", "same": true}
+{"productA": "title: approximate xml joins. authors: s guha , h jagadish , n koudas , d srivastava , t yu. venue: sigmod conference. year: 2002", "productB": "title: approximate xml joins. authors: s guha , n koudas , d srivastava , t yu. venue: nan. year: nan", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: agrawal r. ming generalized association rules [ c ]. authors: r srikant. venue: proceedings of the 21th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: performance tradeoffs for client-server query processing. authors: m franklin , b j\u0453nsson , d kossmann. venue: sigmod conference. year: 1996", "productB": "title: b. j onsson , and d. kossmann . performance tradeoffs for client-server query processing. authors: m franklin. venue: proc . of the acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: rastogir. , cure a. , an efficient clustering algorithm for large data bases. authors: s guha. venue: & hellip ; 1998 , acm sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: mining fuzzy association rules in databases .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: first-class views : a key to user-centered computing. authors: a rosenthal , e sciore. venue: sigmod record. year: 1999", "productB": "title: first-class views : a key to user-centered computing .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: optimizing queries using materialized views : a practical , scalable solution. authors: j goldstein , p larson. venue: sigmod conference. year: 2001", "productB": "title: optimizing queries using materialized views : a practical , scalable solution. authors: j goldstein , pa larson. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , h kriegel. venue: vldb. year: 1997", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: t seidl , hp kriegel. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: data management for earth system science. authors: j frew , j dozier. venue: sigmod record. year: 1997", "productB": "title: data management for earth system science. authors: j frew , j dozier. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: bottom-up computation of sparse and iceberg cubes. authors: k beyer , r ramakrishnan. venue: sigmod conference. year: 1999", "productB": "title: bottom-up computation of sparse and iceberg cubes. authors: k beyer , r ramakrishnan. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: an automated system for web portal personalization. authors: c aggarwal , p yu. venue: vldb. year: 2002", "productB": "title: an automated system for web portal personalization. authors: cc aggarwal , ps yu. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: groupwise processing of relational queries. authors: d chatziantoniou , k ross. venue: vldb. year: 1997", "productB": "title: groupwise processing of relational queries. authors: k ross , d chatziantoniou. venue: proceedings of the 23rd vldb conference ,. year: nan", "same": true}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries across diverse data sources. authors: lm hass , d kossmann , el wimmers , j yang , l raschid. venue: proceedings of the 23rd vldb conference , athens , greece , acm & hellip ; ,. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: en tsur s , 1997 , \u00e2 ?? dynamic itemset counting and implication rules for market basket data\u00e2 ??. authors: s brin , r motwani , jd ullman. venue: proceedings of the international acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: semantic video indexing : approach and issue. authors: a hampapur. venue: sigmod record. year: 1999", "productB": "title: semantic video indexing : approach and issues. authors: a hampapur. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: supervised wrapper generation with lixto. authors: r baumgartner , s flesca , g gottlob. venue: vldb. year: 2001", "productB": "title: supervised wrapper generation with lixto. authors: r baumgartner , s flesca , g gottlob. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: a research status report on adaptation for mobile data access. authors: b noble , m satyanarayanan. venue: sigmod record. year: 1995", "productB": "title: a research status report on adaptation for mobile data access. authors: bd noble , m satyanarayanan. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: contracting in the days of ebusiness. authors: w h\u045cmmer , w lehner , h wedekind. venue: sigmod record. year: 2002", "productB": "title: contracting in the days of ebusiness. authors: w huemmer , w lehner , h wedekind. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a new passenger support system for public transport using mobile database access. authors: k goto , y kambayashi. venue: vldb. year: 2002", "productB": "title: a new passenger support system for public transport using mobile database access. authors: k goto , y kambayashi. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: synchronizing a database to improve freshness. authors: j cho , h garcia-molina. venue: sigmod conference. year: 2000", "productB": "title: garcia-molina . synchronizing a database to improve freshness. authors: j cho andh. venue: proc . of the acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: analysis of locking behavior in three real database systems. authors: v singhal , a smith. venue: vldb j.. year: 1997", "productB": "title: analysis of locking behavior in three real database systems. authors: v singhal , aj smith. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: semantic data cachingand replacement. authors: s dar , mj franklin , b jonsson , d srivastava , m tan. venue: proceedings of the 22th vldb. year: nan", "same": true}
+{"productA": "title: turbo-charging vertical mining of large databases. authors: p shenoy , j haritsa , s sudarshan , g bhalotia , m bawa , d shah. venue: sigmod conference. year: 2000", "productB": "title: , s. sudarshan , m. bawa , g. bhalotia , and d. shah . turbo-charging vertical mining of large databases. authors: p shenoy. venue: technical report tr-2000-02 , dsl , indian institute of science ,. year: nan", "same": true}
+{"productA": "title: adaptive index structures. authors: y tao , d papadias. venue: vldb. year: 2002", "productB": "title: adaptive index structures. authors: y tao , d papadias. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: e suciu , d. , \u00e2 ?? a query language for a web-site management system\u00e2 ??. authors: m fernandez , d florescu , j kang , a levy. venue: sigmod record , setembro de ,. year: nan", "same": true}
+{"productA": "title: eliminating fuzzy duplicates in data warehouses. authors: r ananthakrishna , s chaudhuri , v ganti. venue: vldb. year: 2002", "productB": "title: eliminating fuzzy duplicates in data warehouses. authors: r ananthakrishna , s chaudhuri , v ganti. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: partitioned garbage collection of large object store. authors: u maheshwari , b liskov. venue: sigmod conference. year: 1997", "productB": "title: partitioned collection of a large object store. authors: u maheshwari , b liskov. venue: proc . of sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: a database interface for file updates. authors: s abiteboul , s cluet , t milo. venue: sigmod conference. year: 1995", "productB": "title: a database interface for files update . to appear :. authors: s abiteboul , s cluet , t milo. venue: proc . acm sigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k kanth , d agrawal , a singh. venue: sigmod conference. year: 1998", "productB": "title: dimensionality reduction for similarity searching in dynamic databases. authors: rk kv , d agrawal , a el abbadi , a singh. venue: university of california at santa barbara , santa barbara , ca ,. year: nan", "same": true}
+{"productA": "title: the garlic project. authors: m roth , m arya , l haas , m carey , w cody , r fagin , p schwarz , j ii , e wimmers. venue: sigmod conference. year: 1996", "productB": "title: the garlie project. authors: mt roth\u00e2 ? \u00a6. venue: proceedings of acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: hilbert r-tree : an improved r-tree using fractals. authors: i kamel , c faloutsos. venue: vldb. year: 1994", "productB": "title: faloutsos . hilbertr-tree : animproved r-tree using fractals. authors: i kamelandc. venue: proceedings 20th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: change detection in hierarchically structured information. authors: s chawathe , a rajaraman , h garcia-molina , j widom. venue: sigmod conference. year: 1996", "productB": "title: h. garcia-m olina , and j. widom . change detection in hierarchically structured information. authors: s chawathe , a rajaraman. venue: technical report , dept. of computer science , stanford university. year: nan", "same": true}
+{"productA": "title: semistructured und structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record. year: 1997", "productB": "title: semistructured and structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: near neighbor search in large metric spaces. authors: s brin. venue: vldb. year: 1995", "productB": "title: nearest neighbor search in large metric space. authors: s brin. venue: proceedings of the 21th international conference on very. year: nan", "same": true}
+{"productA": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb. year: 1999", "productB": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?sting : a statistical information grid approach to spatial data mining\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: w wei , j yang , r muntz. venue: proc . of the 23rd vldb. year: nan", "same": true}
+{"productA": "title: querying the internet with pier. authors: r huebsch , j hellerstein , n lanham , b loo , s shenker , i stoica. venue: vldb. year: 2003", "productB": "title: querying the internet with pier. authors: r heubsch , j hellerstein , n lanhan , bt loo , s. venue: proceedings of the 29th international conference on very. year: nan", "same": true}
+{"productA": "title: mapinfo spatialware : a spatial information server for rdbms. authors: c mina. venue: vldb. year: 1998", "productB": "title: mapinfo spatialware\u00e2 \u00ae a spatial information server for rdbms. authors: m chebel. venue: proceedings of the 24 thvldb conference , new york , usa ,. year: nan", "same": true}
+{"productA": "title: eddies : continuously adaptive query processing. authors: r avnur , j hellerstein. venue: sigmod conference. year: 2000", "productB": "title: eddies : continuously adaptive query processing. authors: jm hellerstein , r avnur. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules from large databases [ c ]. authors: j han , y fu. venue: proceedings of the 21st vldb conference , zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: workflow automation : applications , technology , and research ( tutorial ). authors: nan. venue: nan. year: 1995", "productB": "title: workflow automation : applications , technology and research. authors: a sheth. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: nan. venue: nan. year: 1996", "productB": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95. authors: m berndtsson , j hansson. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: fundamentals of data warehouses : 2nd revised and extended edition. authors: v hoffner. venue: sigmod record. year: 2003", "productB": "title: fundamentals of data warehouses : 2 ndrevised and extended edition. authors: v hoffner. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: answering complex sql queries using automatic summary tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh , m urata. venue: sigmod conference. year: 2000", "productB": "title: answering complex sql queries using automatic summary tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh ,. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: sigmod conference. year: 2003", "productB": "title: data grid management systems. authors: a jagatheesan , a rajasekar. venue: nan. year: nan", "same": true}
+{"productA": "title: roadrunner : towards automatic data extraction from large web sites. authors: v crescenzi , g mecca , p merialdo. venue: vldb. year: 2001", "productB": "title: the roadrunner project : towards automatic extraction of web data. authors: v crescenzi , g mecca , p merialdo. venue: nan. year: nan", "same": true}
+{"productA": "title: efendi : federated database system of cadlab. authors: e radeke , r b\u0456ttger , b burkert , y engel , g kachel , s kolmschlag , d nolte. venue: sigmod conference. year: 1995", "productB": "title: federated database system of cadlab . inproc. authors: e radeke , r boettger , b burkert , y engel , g kachel. venue: int\u00e2 ?? l conf . management of data. year: nan", "same": true}
+{"productA": "title: gigascope : a stream database for network applications. authors: c cranor , t johnson , o spatscheck , v shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: bgigascope : a stream database for network applications , ^ in proceedings of the acm international. authors: c cranor , t johnson , o spataschek , v shkapenyuk. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: the araneus web-base management system. authors: g mecca , p atzeni , a masci , p merialdo , g sindoni. venue: sigmod conference. year: 1998", "productB": "title: merialdo & p. sindoni , g.\u00e2 ?? the araneus web-base management system\u00e2 ??. authors: g mecca , p atzeni , a masci. venue: acm sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: the bucky object-relational benchmark ( experience paper ). authors: m carey , d dewitt , j naughton , m asgarian , p brown , j gehrke , d shah. venue: sigmod conference. year: 1997", "productB": "title: the bucky object-relational benchmark. authors: dj dewitt , m carey , j naughton , m asgarian , j. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: the onion technique : indexing for linear optimization queries. authors: y chang , l bergman , v castelli , c li , m lo , j smith. venue: sigmod conference. year: 2000", "productB": "title: the onion technique : indexing for linear optimization queries. authors: y chi chang , l bergman , v castelli , c li , ml lo , j. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the ccube constraint object-oriented database system. authors: a brodsky , ve segal , j chen , pa exarkhopoulo. venue: constraints ,. year: 1997.0", "same": true}
+{"productA": "title: near neighbor search in large metric spaces. authors: s brin. venue: vldb. year: 1995", "productB": "title: new neighbor search in large metric space. authors: s brin. venue: proceedings of the. year: nan", "same": true}
+{"productA": "title: semantic interoperability in global information systems : a brief introduction to the research area and the special section. authors: a ouksel , a sheth. venue: sigmod record. year: 1999", "productB": "title: semantic interoperability in global information systems : a brief introduction to the research and. authors: a ouksel , a sheth. venue: acm sigmod record . special section on semantic & hellip ; ,. year: nan", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: database techniques for the www : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record , acm ,. year: nan", "same": true}
+{"productA": "title: staggered striping in multimedia information systems. authors: s berson , s ghandeharizadeh , r muntz , x ju. venue: sigmod conference. year: 1994", "productB": "title: staggered striping in multimedia information systems. authors: s ghandeharizadeh , rmx ju. venue: nan. year: nan", "same": true}
+{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: j chen , d dewitt , f tian , y wang. venue: sigmod conference. year: 2000", "productB": "title: a scalable continuous query system for internet databases. authors: j chen , tf dj , y wang. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semistructed data with stored. authors: a deutsch , m fernandez , d suciu. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: online dynamic reordering for interactive data processing. authors: v raman , b raman , j hellerstein. venue: vldb. year: 1999", "productB": "title: online dynamic reordering for interactive data processing in proc . of the 1999 intl. authors: v raman , b raman , j hellerstein. venue: conf . on very large data bases ,. year: nan", "same": true}
+{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: s amer-yahia , s cluet , c delobel. venue: vldb. year: 1998", "productB": "title: bulk-loading technique for object databases and an application to relational data. authors: sa yahia , s cluet , c delobel. venue: proc . vldb conf ,. year: nan", "same": true}
+{"productA": "title: data mining using two-dimensional optimized accociation rules : scheme , algorithms , and visualization. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: sigmod conference. year: 1996", "productB": "title: data mining using two-dimensional optimized association rules : scheme , algorithms , and visualization. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: cache-and-query for wide area sensor databases. authors: a deshpande , s nath , p gibbons , s seshan. venue: sigmod conference. year: 2003", "productB": "title: cache-and-query for wide area sensor databases. authors: a deshpande , sk nath , pb gibbons , s seshan. venue: nan. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules from large databases in proc . 1995 int. authors: j han , y fu. venue: conf . very large data bases , zurich , switzerland , sept ,. year: nan", "same": true}
+{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: s agrawal , s chaudhuri , v narasayya. venue: vldb. year: 2000", "productB": "title: automated selection of materialized views and indexes for sql databases. authors: s chaudhuri , v narasayya. venue: acm sigmod ,. year: 2000.0", "same": true}
+{"productA": "title: spatial joins using seeded trees. authors: m lo , c ravishankar. venue: sigmod conference. year: 1994", "productB": "title: spatial joins using seeded trees. authors: ml lo , cv ravishankar. venue: nan. year: nan", "same": true}
+{"productA": "title: infosphere project : system support for information flow applications. authors: c pu , k schwan , j walpole. venue: sigmod record. year: 2001", "productB": "title: infosphere project : system support for information flow applications. authors: c pu , k schwan , j walpole. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 2001", "productB": "title: reminiscences on influential papers. authors: ka ross. venue: sigmod. year: 2002.0", "same": true}
+{"productA": "title: efficient and effective metasearch for text databases incorporating linkages among documents. authors: c yu , w meng , w wu , k liu. venue: sigmod conference. year: 2001", "productB": "title: e-cient and effective metasearch for a large number of text databases. authors: c yu , w meng , kl liu , w wu , n rishe. venue: proc . acm cikm ,. year: nan", "same": true}
+{"productA": "title: interviewing during a tight job market. authors: nan. venue: nan. year: 2002", "productB": "title: interviewing during a tight job market. authors: zg ives , q luo. venue: acm sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial database systems. authors: rh gtlting. venue: spatial database systems of the vldb journal ,. year: nan", "same": true}
+{"productA": "title: learning table access cardinalities with leo. authors: v markl , g lohman. venue: sigmod conference. year: 2002", "productB": "title: system performance and benchmarking : learning table access cardinalities with leo. authors: v markl , g lohman. venue: proc . acm sigmod , june ,. year: nan", "same": true}
+{"productA": "title: reducing the braking distance of an sql query engine. authors: m carey , d kossmann. venue: vldb. year: 1998", "productB": "title: reducing the braking distance of an sql query engine. authors: mj carey , d kossmann. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: relational databases for xml documents : limitationsandopportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d. venue: proc . oftheconferenceonvery large data bases ( vldb ) , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a generic approach to bulk loading multidimensional index structures. authors: j bercken , b seeger , p widmayer. venue: vldb. year: 1997", "productB": "title: widmayer : \u00e2 ?? a general approach to bulk loading multidimensional index structures\u00e2 ??. authors: s van den bercken. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: \u00e3 ? . ; srivastava , d. ; tan , m. : semantic data caching and replacement. authors: s dar , mj franklin , b j\u00e3 \u00b3 nsson. venue: proceedings of 22th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: effective change detection using sampling. authors: j cho , a ntoulas. venue: vldb. year: 2002", "productB": "title: effective change detection using sampling. authors: j cho , a ntoulas. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: diag-join : an opportunistic join algorithm for 1 : n relationships. authors: s helmer , t westmann , g moerkotte. venue: vldb. year: 1998", "productB": "title: diag-join : an opportunistic join algorithm for 1 : n relationships. authors: s helmer , t westmann , g moerkotte. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: the coral deductive system. authors: r ramakrishnan , d srivastava , s sudarshan , p seshadri. venue: vldb j.. year: 1994", "productB": "title: sudarshan , \\ \\ the coral deductive database system , '' ibid. authors: r ramakrishnan , s seshadri. venue: nan. year: nan", "same": true}
+{"productA": "title: reminiscences on influential papers. authors: nan. venue: nan. year: 1998", "productB": "title: reminiscences on influential papers. authors: r snodgrass. venue: acm transactions on database systems ,. year: 1976.0", "same": true}
+{"productA": "title: vxmlr : a visual xml-relational database system. authors: a zhou , h lu , s zheng , y liang , l zhang , w ji , z tian. venue: vldb. year: 2001", "productB": "title: vxmlr : a visual xml-relational database system. authors: azh lu , s zheng , yllzw ji , z tian. venue: nan. year: nan", "same": true}
+{"productA": "title: modeling skewed distribution using multifractals and the ` 80-20 ' law. authors: c faloutsos , y matias , a silberschatz. venue: vldb. year: 1996", "productB": "title: modeling skewed distribution using multifractals and the80-20 ` law. authors: c faloutsos , y matias , a silberschatz. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: static analysis techniques for predicting the behavior of active database rules. authors: a aiken , j hellerstein , j widom. venue: acm trans . database syst .. year: 1995", "productB": "title: static analysis techniques for predicting the behavior of database production rules. authors: a aiken , j widom , jm hellerstein. venue: acm transactions on database. year: nan", "same": true}
+{"productA": "title: the hbp-tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: vldb. year: 1995", "productB": "title: 1995 . the hb - tree : a modified hb-tree supporting concurrency , recovery and node consolidation. authors: g evangelidis , d lomet , b salzberg. venue: proc . 21st int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: user-defined table operators : enhancing extensibility for ordbms. authors: m jaedicke , b mitschang. venue: vldb. year: 1999", "productB": "title: user-defined table operators : enhancing extensibility for ordbms. authors: b mitschang , m jaedicke. venue: nan. year: nan", "same": true}
+{"productA": "title: amalgamating knowledge bases. authors: v subrahmanian. venue: acm trans . database syst .. year: 1994", "productB": "title: amalgamating knowledge. authors: vs subrahmaniam. venue: acm trans . database systems ,. year: nan", "same": true}
+{"productA": "title: workflow history management. authors: p koksal , s arpinar , a dogac. venue: sigmod record. year: 1998", "productB": "title: workflow history management .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb. year: 2000", "productB": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: y sakurai , m yoshikawa , s uemura , h kojima. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: database techniques for the world-wide web : a survey acm sigmod record. authors: d florescu , a levy , a mendelzon. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: evolution and change in data management - issues and directions. authors: j roddick , l al-jadir , l bertossi , m dumas , f estrella , h gregersen , k hornsby , j lufter , f mandreoli , t m\u0444nnist\u0456 , e mayol , l wedemeijer. venue: sigmod record. year: 2000", "productB": "title: evolution and change in data management-issues and directions. authors: h gregersen , k hornsby , j lufter , f mandreoli , t. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: potter 's wheel : an interactive data cleaning system. authors: v raman , j hellerstein. venue: vldb. year: 2001", "productB": "title: potter 's wheel : an interactive data cleaning system. authors: v raman , jm hellerstein. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: random sampling techniques for space efficient online computation of order statistics of large datasets. authors: g manku , s rajagopalan , b lindsay. venue: sigmod conference. year: 1999", "productB": "title: random sampling techniques for space efficient online computation of order statistics of large. authors: gs manku , s rajagopalan , bg lindsay. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: microsoft universal data access platform. authors: j blakeley , m pizzo. venue: sigmod conference. year: 1998", "productB": "title: microsoft universal data access platform. authors: ja blakeley , mj pizzo. venue: nan. year: nan", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: zezula pm-tree : an efficient access method for similarity search in metric spaces [ c ]. authors: p ciaccia , m patella. venue: proc of vldb ,. year: nan", "same": true}
+{"productA": "title: a query language for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: sigmod record. year: 1997", "productB": "title: a query language and processor for a web-site management system. authors: m fernandez , d florescu , a levy , d suciu. venue: nan. year: nan", "same": true}
+{"productA": "title: iterative dynamic programming : a new class of query optimization algorithms. authors: d kossmann , k stocker. venue: acm trans . database syst .. year: 2000", "productB": "title: iterative dynamic programming : a new class of query optimization algorithms. authors: d kossmann , k stocker. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: pattern matching and pattern discovery in scientific , program , and document databases. authors: j wang , k zhang , d shasha. venue: sigmod conference. year: 1995", "productB": "title: pattern discovery in scientific , program , and document databases. authors: jt wang , k zhang , dsp matching. venue: proc . of the conference on management of data ( sigmod ) ,. year: nan", "same": true}
+{"productA": "title: bifocal sampling for skew-resistant join size estimation. authors: s ganguly , p gibbons , y matias , a silberschatz. venue: sigmod conference. year: 1996", "productB": "title: matias , and a. silberschatz . bifocal sampling for skew-resistant join size estimation. authors: sg ggms , pb gibbons. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: watchman : a data warehouse intelligent cache manager. authors: p scheuermann , j shim , r vingralek. venue: vldb. year: 1996", "productB": "title: j : shim , and r. vingralek . watchman : a data warehouse intelligent cache manager. authors: p scheuermann. venue: nan. year: nan", "same": true}
+{"productA": "title: progressive evaluation of nested aggregate queries. authors: k tan , c goh , b ooi. venue: vldb j.. year: 2000", "productB": "title: progressive evaluation of nested aggregate queries. authors: kl tan , ch goh , bc ooi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: a comparative study of alternative middle tier caching solutions to support dynamic web content acceleration. authors: a datta , k dutta , h thomas , d vandermeer , k ramamritham , d fishman. venue: vldb. year: 2001", "productB": "title: study of alternative middle tier caching solutions to support dynamic web content acceleration. authors: a datta , k dutta , hm thomas , de vandermeer , k. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: sigmod record. year: 1997", "productB": "title: wrapper generation for semi-structured information sources. authors: n asish , c knoblock. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: adaptive selectivity estimation using query feedback. authors: c chen , n roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: adaptive selective estimation using query feedback. authors: cm chen , n roussopoulos. venue: & hellip ; of acm-sigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: data warehousing and olap for decision support ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: decision support , data warehousing , and olap. authors: s chaudhuri , u dayal. venue: tutorials of the twenty-second int . conf . on very large data & hellip ; ,. year: nan", "same": true}
+{"productA": "title: tutorial : designing an ultra highly available dbms. authors: nan. venue: nan. year: 2000", "productB": "title: designing an ultra highly available dbms. authors: o torbjornsen , s bratsberg. venue: proceedings of acmsigmod conference , dallas , tx , may ,. year: nan", "same": true}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: anda . pfeffer . generalizedsearchtreesfordatabasesystems. authors: jm hellerstein , jf naughton. venue: proc . 21st int . conf . very large data bases ,. year: nan", "same": true}
+{"productA": "title: fast computation of sparse datacubes. authors: k ross , d srivastava. venue: vldb. year: 1997", "productB": "title: fast computation of sparse datacubes. authors: a kenneth , d srivastava. venue: nan. year: nan", "same": true}
+{"productA": "title: privacy-preserving indexing of documents on the network. authors: m bawa , r jr. , r agrawal. venue: vldb. year: 2003", "productB": "title: privacy-preserving indexing of documents on the network. authors: m bawa , r agrawal. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in olap data cubes in : joan p , ed. authors: ct ho , r agrawal , r megiddo , r srikant. venue: proceedings of the international acm sigmod conference . acm & hellip ; ,. year: nan", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: sting : a statistical information grid approach to spatial data mining , '' 23rd int. authors: w wang , j yang , r muntz. venue: conf on very large data bases , athens , greece ,. year: nan", "same": true}
+{"productA": "title: query processing techniques for multiversion access methods. authors: j bercken , b seeger. venue: vldb. year: 1996", "productB": "title: query processing techniques for multiversion access methods. authors: j van den bercken , b seeger. venue: proc . of vldb ,. year: 1996.0", "same": true}
+{"productA": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: recovery for index trees. authors: ds lomet , b concurrency. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: information retrieval from an incomplete data cube. authors: c dyreson. venue: vldb. year: 1996", "productB": "title: information retrieval from an incomplete data cube. authors: c dyreson. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: where will object techonology drive data administration ?. authors: a rosenthal. venue: sigmod record. year: 1998", "productB": "title: where will object technology drive data administration. authors: a rosenthal. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: mediator languages - a proposal for a standard. authors: p buneman , l raschid , j ullman. venue: sigmod record. year: 1997", "productB": "title: mediator languages\u00e2 ?? a proposal for a standard : report of an i 3/pob working group held at the. authors: p buneman , l raschid , j ullman. venue: acm sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: what happens during a join ? dissecting cpu and memory optimization effects. authors: s manegold , p boncz , m kersten. venue: vldb. year: 2000", "productB": "title: what happens duringajoin?\u00e2 ?? dissectingcpuandmemoryoptimization effects. authors: s manegold , pa boncz , ml kersten. venue: proc . int . conf . on very large data bases , cairo , egypt , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: views in a large scale xml repository. authors: s cluet , p veltri , d vodislav. venue: vldb. year: 2001", "productB": "title: views in a large scale xml repository [ c ]. authors: c sophie , v pierangelo , v dan. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: loading a cache with query results. authors: l haas , d kossmann , i ursu. venue: vldb. year: 1999", "productB": "title: loading a cache with query results. authors: lm haas. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: the lham log-structured history data access method. authors: p muth , p o'neil , a pick , g weikum. venue: vldb j.. year: 2000", "productB": "title: the lham log-structured history data access method. authors: p muth , po ` neil , a pick , g weikum. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: towards automated performance tuning for complex workloads. authors: k brown , m mehta , m carey , m livny. venue: vldb. year: 1994", "productB": "title: towards automated performance i\u00e2 ?? uning for complex workloads. authors: kp brownt , m mehta , mj careyt , m livny. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient numerical error bounding for replicated network services. authors: h yu , a vahdat. venue: vldb. year: 2000", "productB": "title: efficient numerical error bounding for replicated network services. authors: h yu , a vahdat. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: vldb j.. year: 1997", "productB": "title: concurrency and recovery for index trees. authors: d lomet , b salzberg. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: memory management during run generation in external sorting. authors: p larson , g graefe. venue: sigmod conference. year: 1998", "productB": "title: memory management during run generation in external sorting. authors: pa larson. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: continuous nearest neighbor search. authors: y tao , d papadias , q shen. venue: vldb. year: 2002", "productB": "title: continuous nearest search. authors: t tao , d papadias , q shen. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: spectral bloom filters. authors: s cohen , y matias. venue: sigmod conference. year: 2003", "productB": "title: spectral bloom filters. authors: s cohen , y matias. venue: nan. year: nan", "same": true}
+{"productA": "title: the tpr * - tree : an optimized spatio-temporal access method for predictive queries. authors: y tao , d papadias , j sun. venue: vldb. year: 2003", "productB": "title: the tpr * - tree : an optimized spatio-temporal access method for predictive queries. authors: y tao , d papadias , j sun. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mocha : a self-extensible middleware system for distributed data sources. authors: m rodriguez-martinez , n roussopoulos. venue: proc . acm sigmod. year: nan", "same": true}
+{"productA": "title: a non-uniform data fragmentation strategy for parallel main-menory database systems. authors: n bassiliades , i vlahavas. venue: vldb. year: 1995", "productB": "title: a non-uniform data fragmentation strategy for parallel main-menory database systems. authors: n bassiliades , i vlahavas. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: disima : a distributed and interoperable image database system. authors: v oria , m \u0436zsu , p iglinski , s lin , b yao. venue: sigmod conference. year: 2000", "productB": "title: disma : a distributed and interoperable image database system , sigmod 2000 , may , 2000. authors: v oria , mt \u00e3?zsu , p iglinski , s lin , b yao. venue: proc . of acm sigmod int . conf . on management of data , dallas. year: nan", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semistructured data. authors: r goldman , j widom. venue: proceedings of the 23rd international conference on very. year: nan", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: stanford proposal for internet meta-searching. authors: l gravano , kcc chang , h garcia-molina , a paepcke. venue: proceedings of the 1997 acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: und lin , k.-i . ( 1995 ) . fastmap : a fast algorithm for indexing , data-mining and visualization of. authors: c faloutsos. venue: proceedings of the 1995 int . acm/sigmod conf . on management. year: nan", "same": true}
+{"productA": "title: predator : an or-dbms with enhanced data types. authors: p seshadri , m paskin. venue: sigmod conference. year: 1997", "productB": "title: predator : an or-dbms with enhanced data types. authors: p seshadri , m paskin. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: a survey of approaches to automatic schema matching. authors: e rahm , p bernstein. venue: vldb j.. year: 2001", "productB": "title: a survey of approaches to automatic schema matching. authors: e rahm , pa bernstein. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: technology and the future of commerce and finance ( abstract ). authors: d shaw. venue: vldb. year: 1998", "productB": "title: technology and the future of commerce and finance ( abstract ). authors: de shaw. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for large data sets. authors: s guha , r rastogi , k shim. venue: published in the proceedings of the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: data modeling of time-based media. authors: s gibbs , c breiteneder , d tsichritzis. venue: sigmod conference. year: 1994", "productB": "title: data modeling of time-based media\u00e2 '' , the proceedings of the acm-sigmod 1994. authors: s gibbs , c breiteneder , dc tsichritzis. venue: conference on management. year: nan", "same": true}
+{"productA": "title: object query standards. authors: a wade. venue: sigmod record. year: 1996", "productB": "title: object query standards. authors: ae wade. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: mining database structure ; or , how to build a data quality browser. authors: t dasu , t johnson , s muthukrishnan , v shkapenyuk. venue: sigmod conference. year: 2002", "productB": "title: mining database structure ; or howto build a data quality browser. authors: t dasu , t johnson , s muthukrishnan , v shkapenyuk. venue: nan. year: nan", "same": true}
+{"productA": "title: public : a decision tree classifier that integrates building and pruning. authors: r rastogi , k shim. venue: vldb. year: 1998", "productB": "title: public : a decision tree classifier that integrates pruning and building. authors: r rajeev , s kyuseok. venue: proceedings of 24th vldb conferencenew york ,. year: nan", "same": true}
+{"productA": "title: logical and physical versioning in main memory databases. authors: r rastogi , s seshadri , p bohannon , d leinbaugh , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: logical and physical versioning in main memory databases. authors: pbdwl abraham , sssr rastogi , s seshadri. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: s guha , d gunopulos , n koudas , d srivastava , m vlachos. venue: vldb. year: 2003", "productB": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: s guha , d gunopulos , n koudas , d srivastava , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: semantic and pedagogic interoperability mechanisms in the ariadne educational repository. authors: e forte , f haenni , k warkentyne , e duval , k cardinaels , e vervaet , k hendrikx , m forte , f simillion. venue: sigmod record. year: 1999", "productB": "title: semantic and pedagogic interoperability mechanisms in the ariadne educational repository. authors: e forte , f haenni , k warkentyne , e duval , k. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: join synopses for approximate query answering. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: join synopses for approximate query answering. authors: sa agpr , pb gibbons , v poosala , s ramaswamy. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: optimized query execution in large search engines with global page ordering. authors: x long , t suel. venue: vldb. year: 2003", "productB": "title: optimized query execution in large search engines with global page ordering. authors: x long , t suel. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: fractal prefetching b\u0431trees : optimizing both cache and disk performance. authors: s chen , p gibbons , t mowry , g valentin. venue: sigmod conference. year: 2002", "productB": "title: fractal prefetching b + - trees : optimizing both cache and disk performance. authors: s chen , pb gibbons , tc mowry , g valentin. venue: acm sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: a database interface for file updates. authors: s abiteboul , s cluet , t milo. venue: sigmod conference. year: 1995", "productB": "title: a database interface for le update. authors: s abiteboul , s cluet , t milo. venue: sigmod ,. year: nan", "same": true}
+{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: k lin , h jagadish , c faloutsos. venue: vldb j.. year: 1994", "productB": "title: the tv-tree : an index structure forhigh-dimensional data. authors: ki lin , h jagadish , c faloutsos. venue: the vldb journal ,. year: nan", "same": true}
+{"productA": "title: on schema matching with opaque column names and data values. authors: j kang , j naughton. venue: sigmod conference. year: 2003", "productB": "title: on schema matching with opaque column names and data values. authors: j kang , jf naughton. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: data model for extensible support of explicit relationships in design databases. authors: j peckham , b mackellar , m doherty. venue: vldb j.. year: 1995", "productB": "title: a data model for the extensible support of explicit relationships in design databases. authors: bk mackellar , j peckham , m doherty. venue: the very large database journal , april ,. year: nan", "same": true}
+{"productA": "title: multi-table joins through bitmapped join indices. authors: p o'neil , g graefe. venue: sigmod record. year: 1995", "productB": "title: multi-table joins through bitmapped join indices. authors: on o'ngg95 patrick , g graefe. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: parametric query optimization for linear and piecewise linear cost functions. authors: a hulgeri , s sudarshan. venue: vldb. year: 2002", "productB": "title: parametric query optimization for linear and piecewise linear cost functions. authors: ah hs02 , s sudarshan. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: an extended entity-relationship model for geographic applications. authors: t hadzilacos , n tryfona. venue: sigmod record. year: 1997", "productB": "title: an extended entity-relationship model for geographic applications. authors: t hadzilacos , n tryfona. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: from data independence to knowledge independence : an on-going story. authors: l vieille. venue: vldb. year: 1998", "productB": "title: from data independence to knowledge independence : an on-going story. authors: l vieille. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: computation of multidimensional aggregates. authors: pm deshpande , s agarwal , jf naughton , r. venue: nan. year: nan", "same": true}
+{"productA": "title: on periodic resource scheduling for continuous-media databases. authors: m garofalakis , b \u0436zden , a silberschatz. venue: vldb j.. year: 1998", "productB": "title: on periodic resource scheduling for continuous-media databases. authors: mn garofalakis , b \u00e3?zden , a silberschatz. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: enabling dynamic content caching for database-driven web sites. authors: k candan , w li , q luo , w hsiung , d agrawal. venue: sigmod conference. year: 2001", "productB": "title: enabling dynamic content caching for database-driven web sites. authors: k selcuk , ws li , q luoand , wp hsiung , d agrawal. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: issues in data stream management. authors: l golab , m \u0436zsu. venue: sigmod record. year: 2003", "productB": "title: mt ( 2003 ) \u00e2 ?? issues in data stream management.\u00e2 ??. authors: l golab. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: alphasort : a cache-sensitive parallel external sort. authors: c nyberg , t barclay , z cvetanovic , j gray , d lomet. venue: vldb j.. year: 1995", "productB": "title: alphasort : a cache-sensitive parallel external sort. authors: c nyberg , t barclay , z cvetanovic , j gray , d lomet. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: reasoning on regular path queries. authors: d calvanese , g giacomo , m lenzerini , m vardi. venue: sigmod record. year: 2003", "productB": "title: reasoning on regular path queries. authors: d calvanese. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: covering indexes for branching path queries. authors: r kaushik , p bohannon , j naughton , h korth. venue: sigmod conference. year: 2002", "productB": "title: covering indexes for branching path queries. authors: r kaushik. venue: nan. year: nan", "same": true}
+{"productA": "title: processing complex aggregate queries over data streams. authors: a dobra , m garofalakis , j gehrke , r rastogi. venue: sigmod conference. year: 2002", "productB": "title: processing complex aggregate queries over data streams. authors: a dobra , mn garofalakis , j gehrke , r rastogi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: checkpointing in oracle. authors: a joshi , w bridge , j loaiza , t lahiri. venue: vldb. year: 1998", "productB": "title: checkpointing in oracle. authors: a joshi , w bridge , j loaiza , t lahiri. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: adapting materialized views after redefinitions. authors: a gupta , i mumick , k ross. venue: sigmod conference. year: 1995", "productB": "title: adapting materialized views after redefinitions. authors: a gupta. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: c aggarwal. venue: sigmod conference. year: 2002", "productB": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity. authors: cc aggarwal. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: a b\u045cchner , m mulvenna. venue: sigmod record. year: 1998", "productB": "title: discovering internet marketing intelligence through online analytical web usage mining. authors: ag buechner , md mulvenna. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: preference sql - design , implementation , experiences. authors: w kie\u043fling , g k\u0456stler. venue: vldb. year: 2002", "productB": "title: preference sql-design , implementation. authors: w kie\u00e3?ling , g kostler. venue: experiences . technical report 2001-7 , october. year: nan", "same": true}
+{"productA": "title: the mirror mmdbms architecture. authors: a vries , m doorn , h blanken , p apers. venue: vldb. year: 1999", "productB": "title: the mirror mmdbms architecture. authors: a de vries , m van doorn , h blanken , p apers. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: massive stochastic testing of sql. authors: d slutz. venue: vldb. year: 1998", "productB": "title: massive stochastic testing of sql. authors: dr slutz. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: xquec : pushing queries to compressed xml data. authors: a arion , a bonifati , g costa , s d'aguanno , i manolescu , a pugliese. venue: vldb. year: 2003", "productB": "title: xquec : pushing xml queries to compressed xml data ( demo ). authors: a arion , a bonifati , g costa , sd\u00e2 ?? aguanno , i. venue: proc . of the vldb. year: nan", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?database techniques for the world-wide web : a survey\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: d florescu , ay levy , ao mendelzon. venue: sigmod. year: nan", "same": true}
+{"productA": "title: fast , randomized join-order selection - why use transformations ?. authors: c galindo-legaria , a pellenkoft , m kersten. venue: vldb. year: 1994", "productB": "title: randomized join order selection-why use transformations. authors: c galindo-legaria , a pellenkoft , m kersten. venue: the international conference on very large data bases ,. year: nan", "same": true}
+{"productA": "title: updating xml. authors: i tatarinov , z ives , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: updating xml. authors: i tatarnov , zg ives , ay halevy , ds wed. venue: proceedings of sigmod\u00e2 ?? 01 ,. year: nan", "same": true}
+{"productA": "title: outlier detection for high dimensional data. authors: c aggarwal , p yu. venue: sigmod conference. year: 2001", "productB": "title: outlier detection for high dimensional data. authors: cc aggarwal , ps yu. venue: nan. year: nan", "same": true}
+{"productA": "title: the ecobase project : database and web technologies for environmental information systems. authors: a tanaka , p valduriez. venue: sigmod record. year: 2001", "productB": "title: ecobase\u00e2 ?? database and web technologies for environmental information systems. authors: ak tanaka , p valduriez. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: balancing push and pull for data broadcast. authors: s acharya , m franklin , s zdonik. venue: sigmod conference. year: 1997", "productB": "title: balancing push and pull for data broadcast , ''. authors: m franklin , s zdonik. venue: proceedings of the acm sigmod , may ,. year: nan", "same": true}
+{"productA": "title: generalized search trees for database systems. authors: j hellerstein , j naughton , a pfeffer. venue: vldb. year: 1995", "productB": "title: generalized search trees for database systems. authors: jm hellerstein , jf naughton , a pfeffer. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: fintime - a financial time series benchmark. authors: k jacob , d shasha. venue: sigmod record. year: 1999", "productB": "title: fintime - a financial time series benchmark. authors: kj jacob , d shasha. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: netcube : a scalable tool for fast data mining and compression. authors: d margaritis , c faloutsos , s thrun. venue: vldb. year: 2001", "productB": "title: netcube : a scalable tool for fast data mining and compression. authors: d margaritis , c faloutsos , s thrun. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: an internet-based negotiation server for e-commerce. authors: s su , c huang , j hammer , y huang , h li , l wang , y liu , c pluempitiwiriyawej , m lee , h lam. venue: vldb j.. year: 2001", "productB": "title: an internet-based negotiation server for e-commerce. authors: y stanley , h chunbo , h joachim\u00e2 ? \u00a6. venue: very large data bases j ,. year: nan", "same": true}
+{"productA": "title: wavelet-based histograms for selectivity estimation. authors: y matias , j vitter , m wang. venue: sigmod conference. year: 1998", "productB": "title: wavelet-based histograms for selectivity estimation. authors: y matias. venue: nan. year: nan", "same": true}
+{"productA": "title: xpath processing in a nutshell. authors: nan. venue: nan. year: 2003", "productB": "title: xpath processing in a nutshell. authors: g gottlob , c koch , r pichler. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: preference sql - design , implementation , experiences. authors: w kie\u043fling , g k\u0456stler. venue: vldb. year: 2002", "productB": "title: preference sql -- design , implementation , experiences. authors: w kie\u00ee \u00b2 ling , g k\u00e3 \u00b6 stler. venue: proceedings of the 28th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , s mehrotra , m pazzani. venue: sigmod conference. year: 2001", "productB": "title: mehrotra ( 2001 ) locally adaptive dimensionality reduction for similarity search in large time series. authors: e keogh , k chakrabarti , m pazzani. venue: nan. year: nan", "same": true}
+{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: j li , d rotem , j srivastava. venue: vldb. year: 1999", "productB": "title: efficient aggregation algorithms on very large compressed data warehouses. authors: j li , y li , j srivastava. venue: nan. year: nan", "same": true}
+{"productA": "title: xmdvtool : visual interactive data exploration and trend discovery of high-dimensional data sets. authors: e rundensteiner , m ward , j yang , p doshi. venue: sigmod conference. year: 2002", "productB": "title: xmdvtool : visual interactive data exploration and trend discovery of high-dimensional data sets. authors: ea rundensteiner , mo ward , j yang , pr doshi. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: high-dimensional index structures , database support for next decade 's applications ( tutorial ). authors: s berchtold , d keim. venue: sigmod conference. year: 1998", "productB": "title: high-dimensional index structures. authors: s berchtold , da keim. venue: proceedings of sigmod ,. year: nan", "same": true}
+{"productA": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: c olston , j widom. venue: vldb. year: 2000", "productB": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: c olston , j widom. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: adept : an agent-based approach to business process management. authors: n jennings , t norman , p faratin. venue: sigmod record. year: 1998", "productB": "title: agent-based business process management. authors: nr jennings , p faratin , mj johnson , tj norman , me. venue: nan. year: nan", "same": true}
+{"productA": "title: change-centric management of versions in an xml warehouse. authors: a marian , s abiteboul , g cobena , l mignet. venue: vldb. year: 2001", "productB": "title: change-centric management of versions in an xml warehouse. authors: a marian , s abiteboul , g cobena , l mignet. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: `` honey , i shrunk the dbms '' : footprint , mobility , and beyond ( panel ). authors: p seshadri. venue: sigmod conference. year: 1999", "productB": "title: '' honey , i shrunk the dbms '' : footprint , mobility , and beyond. authors: p seshadri. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: concurrent garbage collection in o2. authors: m skubiszewski , p valduriez. venue: vldb. year: 1997", "productB": "title: concurrent garbage collection in o2. authors: m skubiszewski , p valduriez. venue: proceedings of the 23rd international conference on very & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: random sampling for histogram construction : how much is enough ?. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: random sampling for histogram construction : how much is enough ?. authors: r motwani , s chaudhuri , v narasayya. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: an overview of db2 parallel edition. authors: c baru , g fecteau , a goyal , h hsiao , a jhingran , s padmanabhan , w wilson. venue: sigmod conference. year: 1995", "productB": "title: an overview of db2 parallel edition. authors: c baru , g fecteau , a goyal , hi hsiao , a jhingran ,. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: semistructured und structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record. year: 1997", "productB": "title: semistructured and structured data in the web : going back and forth. authors: p merialdo , p atzeni , g mecca. venue: & hellip ; the management of semistructured data ( in conjunction with & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the fittest survives : an adaptive approach to query optimization. authors: h lu , k tan , s dao. venue: vldb. year: 1995", "productB": "title: the fittest survives : an adaptive approach to query optimization. authors: h lu , kl tan , s dao. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: aquery : query language for ordered data , optimization techniques , and experiments. authors: a lerner , d shasha. venue: vldb. year: 2003", "productB": "title: aquery : query language for ordered data. authors: a lerner , d shasha. venue: optimization techniques , and experiments , in vldb ,. year: nan", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: j. : ullman . implementing data cubes efficiently. authors: v harinarayan , a rajaraman. venue: proc . of acm-sigmod int \u00e2 ?? l conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: gloss : text-source discovery over the internet. authors: l gravano , h garcia-molina , a tomasic. venue: acm trans . database syst .. year: 1999", "productB": "title: gloss : text-source discovery over the internet. authors: l gravano , h garcia-molina , a tomasic. venue: acm transactions on database systems ,. year: 1999.0", "same": true}
+{"productA": "title: flexible support for multiple access control policies. authors: s jajodia , p samarati , m sapino , v subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: flexible support for multiple access control policies. authors: s jajodia , p samarati , ml sapino , vs subrahmanian. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: aqua : a fast decision support systems using approximate query answers. authors: s acharya , p gibbons , v poosala. venue: vldb. year: 1999", "productB": "title: aqua : a fast decision support systems using approximate query answers. authors: s acharya , pb gibbons , v poosala. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: an online video placement policy based on bandwith to space ratio ( bsr ). authors: a dan , d sitaram. venue: sigmod conference. year: 1995", "productB": "title: an online video placement policy based on bandwidth to space ratio. authors: a dan , d sitaram. venue: proceedings of the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: analysis of existing databases at the logical level : the dba companion project. authors: f marchi , s lopes , j petit , f toumani. venue: sigmod record. year: 2003", "productB": "title: analysis of existing databases at the logical level : the dba companion project. authors: f de marchi , s lopes , jm petit , f toumani. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: y. , m. 1994 . fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan. venue: proc . int . conf . on management of. year: nan", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: an overview of data warehousing and olap technology. authors: u dayal , s chaudhuri. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: formal semantics and analysis of object queries. authors: g bierman. venue: sigmod conference. year: 2003", "productB": "title: formal semantics and analysis of object queries. authors: gm bierman. venue: nan. year: nan", "same": true}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: languages for multi-database interoperability .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: combinatorial pattern discovery for scientific data : some preliminary results. authors: j wang , g chirn , t marr , b shapiro , d shasha , k zhang. venue: sigmod conference. year: 1994", "productB": "title: combinatorial pattern discovery for scientific data : some preliminary results. authors: jtl wang , gw chirn , tg marr , b shapiro , d shasha ,. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: logical design for temporal databases with multiple granularities. authors: x wang , c bettini , a brodsky , s jajodia. venue: acm trans . database syst .. year: 1997", "productB": "title: logical design for temporal databases with multiple granularities. authors: xswcba brodsky , s jajodia. venue: i > acm trans . database systems , < / i > to appear ,. year: nan", "same": true}
+{"productA": "title: efficient construction of regression trees with range and region splitting. authors: y morimoto , h ishii , s morishita. venue: vldb. year: 1997", "productB": "title: efficient construction of regression trees with range and region splitting. authors: m yasuhiko , i hiromu , m shinichi. venue: proceedings of the 23rd vldb conference ,. year: 1997.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: andj . gray . designingand mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: as szalay , p kunszt , a thakar. venue: technical report ms-tr-99-30 , microsoft research ,. year: nan", "same": true}
+{"productA": "title: data access for the masses through ole db. authors: j blakeley. venue: sigmod conference. year: 1996", "productB": "title: the masses through ole db. authors: ja blakeley. venue: proc . sigmod ,. year: nan", "same": true}
+{"productA": "title: sqlj part 0 , now known as sql/olb ( object-language bindings ). authors: a eisenberg , j melton. venue: sigmod record. year: 1998", "productB": "title: sqlj part 0 , now known as sql/olb ( object-language bindings ). authors: a eisenberg , j melton. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: temporal aggregation in active database rules. authors: i motakis , c zaniolo. venue: sigmod conference. year: 1997", "productB": "title: temporal reasoning in active databases. authors: i motakis. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: building and customizing data-intensive web sites using weave. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: building and customizing data-intensive web sites using weave. authors: k yagoub , d florescu , v issarny. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: client-server paradise. authors: d dewitt , n kabra , j luo , j patel , j yu. venue: vldb. year: 1994", "productB": "title: and j. yu . client-server paradise. authors: dj dewitt , n kabra , j luo , jm pate. venue: proceedings ofthe twentieth international conference on vey & hellip ; ,. year: nan", "same": true}
+{"productA": "title: complex relationships and knowledge discovery support in the infoquilt system. authors: a sheth , s thacker , s patel. venue: vldb j.. year: 2003", "productB": "title: patel : \u00e2 ?? complex relationships and knowledge discovery support in the infoquilt system\u00e2 ??. authors: t sheth. venue: the vldb. year: nan", "same": true}
+{"productA": "title: roadrunner : towards automatic data extraction from large web sites. authors: v crescenzi , g mecca , p merialdo. venue: vldb. year: 2001", "productB": "title: towards automatic data extraction from large web sites. authors: v crescenzi. venue: 27th conference on vldb , rom ,. year: nan", "same": true}
+{"productA": "title: the lyric language : querying constraint objects. authors: a brodsky , y kornatzky. venue: sigmod conference. year: 1995", "productB": "title: the lyric language : querying constraint objects. authors: a brodsky , y kornatzky. venue: nan. year: nan", "same": true}
+{"productA": "title: comparing data streams using hamming norms ( how to zero in ). authors: g cormode , m datar , p indyk , s muthukrishnan. venue: vldb. year: 2002", "productB": "title: comparing data streams using hamming norms. authors: g cormode , m datar , p indyk , s muthukrishnan. venue: proceedings of 28th international conference on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: graphdb : modeling and querying graphs in databases. authors: r g\u045cting. venue: vldb. year: 1994", "productB": "title: for publication ) . short version entitled '' graphdb : modeling and querying graphs in databases , ''. authors: rh gfiting. venue: proceedings of the twentieth international conference on. year: nan", "same": true}
+{"productA": "title: integration approaches for cim. authors: nan. venue: nan. year: 1995", "productB": "title: integration approaches for cim. authors: mc norrie. venue: nan. year: nan", "same": true}
+{"productA": "title: changing the rules : transformations for rule-based optimizers. authors: m cherniack , s zdonik. venue: sigmod conference. year: 1998", "productB": "title: changing the rules : transformations for rule-based optimizers. authors: m chemiack , s zdonik. venue: nan. year: nan", "same": true}
+{"productA": "title: stream processing of xpath queries with predicates. authors: a gupta , d suciu. venue: sigmod conference. year: 2003", "productB": "title: stream processing of xpath queries. authors: a gupta , d suciu. venue: sigmod. year: nan", "same": true}
+{"productA": "title: object-relational database systems : principles , products , and challenges ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: object-relational database systems : principles , products , and challenges ( tutorial ). authors: mj carey , nm mattos , a nori. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: thinksheet : a tool for tailoring complex documents. authors: p piatko , r yangarber , d lin , d shasha. venue: sigmod conference. year: 1996", "productB": "title: thinksheet : a tool for tailoring complex documents. authors: p piatko , r yangarber , d lin , d shasha. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: a general solution of the n-dimensional b-tree problem. authors: m freeston. venue: sigmod conference. year: 1995", "productB": "title: a general solution of the n-dimensional b-tree problem. authors: m freeston. venue: sigmod conference ,. year: 1995.0", "same": true}
+{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques ( part ii ). authors: d shasha , p bonnet. venue: sigmod conference. year: 2002", "productB": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: de shasha , p bonnet\u00e2 ? \u00a6. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: ipsofacto : a visual correlation tool for aggregate network traffic data. authors: f korn , s muthukrishnan , y zhu. venue: sigmod conference. year: 2003", "productB": "title: ipsofacto : a visual correlation tool for aggregate network traffic data. authors: f korn , s muthukrishnan , y zhu. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: starts : stanford proposal for internet meta-searching. authors: l gravano , cck chang , a paepcke. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: review : a real time virtual walkthrough system. authors: l shou , j chionh , k tan , y ruan , z huang. venue: sigmod conference. year: 2001", "productB": "title: review : a real-time virtual walkthrough system. authors: l shou , ch chionh , z huang , y ruan , kl tan. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: coalescing in temporal databases. authors: m b\u0456hlen , r snodgrass , m soo. venue: vldb. year: 1996", "productB": "title: coalescing in temporal databases. authors: mh bijhlen , rt snodgrass , md soo. venue: nan. year: nan", "same": true}
+{"productA": "title: asserting beliefs in mls relational models. authors: n jukic , s vrbsky. venue: sigmod record. year: 1997", "productB": "title: asserting beliefs in mls relational models. authors: na jukic , sv vrbsky. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: the oracle universal server buffer. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n macnaughton. venue: vldb. year: 1997", "productB": "title: the oracle universal server buffer. authors: w bridge , a joshi , m keihl , t lahiri , j loaiza , n. venue: proceedings of the 23rd international conference on very & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: automatic subspace clustering of high dimensional data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: parameterized complexity for the database theorist. authors: m grohe. venue: sigmod record. year: 2002", "productB": "title: the parameterized complexity of database queries. authors: m grohe. venue: nan. year: nan", "same": true}
+{"productA": "title: a formal perspective on the view selection problem. authors: r chirkova , a halevy , d suciu. venue: vldb j.. year: 2002", "productB": "title: a formal perspective on the view selection problem. authors: r chirkova , ay halevy , d suciu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: toweavetheweb. authors: pag mecca. venue: proceedings of vldb ,. year: nan", "same": true}
+{"productA": "title: coma - a system for flexible combination of schema matching approaches. authors: h do , e rahm. venue: vldb. year: 2002", "productB": "title: coma-a system for flexible combination of sehema matehing approaehes [ c ]. authors: hh do , e rahm. venue: vldb conferenee ,. year: nan", "same": true}
+{"productA": "title: temporal database system implementations. authors: m b\u0456hlen. venue: sigmod record. year: 1995", "productB": "title: temporal database system implementations. authors: mh bohlen. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: research issues in federated database systems : report of efdbs '97 workshop. authors: nan. venue: nan. year: 1997", "productB": "title: research issues in federated database systems. authors: s conrad , b eaglestone , w hasselbring , m roantree ,. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb. year: 1998", "productB": "title: wavecluster : a multi-resolution clustering approach c 1 1 2 1 group for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: proc . 24th int\u00e2 ?? l conf . very large data. year: nan", "same": true}
+{"productA": "title: managing a db2 parallel edition database. authors: g fecteau. venue: vldb. year: 1995", "productB": "title: managing a db2 parallel edition database. authors: g fecteau. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: sql/xml and the sqlx informal group of companies. authors: a eisenberg , j melton. venue: sigmod record. year: 2001", "productB": "title: sql/xml and the sqlx informal group of companies [ z ] . proceeding of sigmod international conference. authors: a eisenberg , j melton. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: the pyramid-technique : towards breaking the curse of dimensionality. authors: s berchtold , c b\u0456hm , h kriegel. venue: sigmod conference. year: 1998", "productB": "title: andh.-p . kriegel . the pyramid technique : towards breaking the curse of dimensionality. authors: s berchtold , c bohm. venue: proc . of the acmsigmod international conference on. year: nan", "same": true}
+{"productA": "title: devise : integrated querying and visualization of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise : integrated queryingand visual explorationof large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d. venue: proceedings of the 1997acm-sigmod conference ,. year: nan", "same": true}
+{"productA": "title: on optimal node splitting for r-trees. authors: y garc\u044da , m lopez , s leutenegger. venue: vldb. year: 1998", "productB": "title: on optimal node splitting for r-trees. authors: yj garcia , ma lopez , st leutenegger. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: e-commerce database issues and experience. authors: a rajaraman. venue: sigmod conference. year: 1999", "productB": "title: e-commerce database issues and experience. authors: a rajaraman. venue: nan. year: nan", "same": true}
+{"productA": "title: mining frequent patterns without candidate generation. authors: j han , j pei , y yin. venue: sigmod conference. year: 2000", "productB": "title: ming frequent patterns without candidate generation. authors: p hanj , y yin. venue: dallas , tx , usa : proc . 2000 acm-sigmod int . conf . on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: fast algorithms for universal quantification in large databases. authors: g graefe , r cole. venue: acm trans . database syst .. year: 1995", "productB": "title: fast algorithms for universal quantification in large databases. authors: g graefe , rl cole. venue: acm transactions on database systems ,. year: 1995.0", "same": true}
+{"productA": "title: groupwise processing of relational queries. authors: d chatziantoniou , k ross. venue: vldb. year: 1997", "productB": "title: groupwise processing of relational queries. authors: d chatziantoniou. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: parallel evaluation of multi-join queries. authors: a wilschut , j flokstra , p apers. venue: sigmod conference. year: 1995", "productB": "title: parallel evolution of multi-join queries. authors: anwj flokstra , pmg apers. venue: acm sigmod. year: nan", "same": true}
+{"productA": "title: architecture of oracle parallel server. authors: r bamford , d butler , b klots , n macnaughton. venue: vldb. year: 1998", "productB": "title: architecture of oracle parallel server. authors: r bamford , d butler , b klots , n macnaughton. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: the network is the database : data management for highly distributed systems. authors: j navas , m wynblatt. venue: sigmod conference. year: 2001", "productB": "title: the network is the database : data management for highly distributed systems. authors: jc navas , m wynblatt. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: an introduction to spatial database systems. authors: r g\u045cting. venue: vldb j.. year: 1994", "productB": "title: an introduction to spatial database systems. authors: rh g\u00e3 1/4 ting. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: tcp-d - the challenges , issues and results. authors: r bhashyam. venue: sigmod record. year: 1996", "productB": "title: tpc-d-the challenges , issues and results. authors: r bhashyam. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: random sampling for histogram construction : how much is enough ?. authors: s chaudhuri , r motwani , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: sampling for histogram construction : how much is enough. authors: s chaudhuri , r motwani , vr narasayya. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: w3qs : a query system for the world-wide web. authors: d konopnicki , o shmueli. venue: vldb. year: 1995", "productB": "title: w3qs : a query system for the world-wide web. authors: d konopnicki , o shmueli. venue: nan. year: nan", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: using taxonomy , discriminants , and signatures for navigating in text databases. authors: s chakrabarti , b dom , r agrawal , p raghavan. venue: vldb. year: 1997", "productB": "title: unsing taxonomy , discriminants , and signatures for navigating in text databases. authors: s charkabarti , b dom , r agrawal , p raghavan. venue: proceedings of the 23rd conference on very large databases ( & hellip ; ,. year: nan", "same": true}
+{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb. year: 1996", "productB": "title: h. garcia-m olina . efficient snapshot differential algorithms in data warehousing. authors: w labio. venue: technical report , dept. of computer science , stanford university. year: nan", "same": true}
+{"productA": "title: diluting acid. authors: t kempster , c stirling , p thanisch. venue: sigmod record. year: 1999", "productB": "title: diluting acid .. authors: t kempster , c stirling , p thanisch. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: storage service providers : a solution for storage management ? ( panel ). authors: b \u0436zden , e gabber , b hillyer , w ng , e shriver , d dewitt , b gordon , j gray , j wilkes. venue: vldb. year: 2001", "productB": "title: storage service providers : a solution for storage management ?. authors: b ozden , e gabber , b hillyer , wt ng , e shriver , dj. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: approximate frequency counts over data streams. authors: g manku , r motwani. venue: vldb. year: 2002", "productB": "title: approximate frequency counts over data streams. authors: g singh manku , r motwani. venue: & hellip ; international conference on very large data bases , hong kong ,. year: nan", "same": true}
+{"productA": "title: applications of the java programming language to database management. authors: b burton , v marek. venue: sigmod record. year: 1998", "productB": "title: applications of the java programming language to database management. authors: bf burton , vw marek. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: sigmod conference. year: 2001", "productB": "title: selectivity estimation using probabilistic models. authors: l getoor , b taskar , d koller. venue: nan. year: nan", "same": true}
+{"productA": "title: low-cost compensation-based query processing. authors: \u0438 gr\u0458vlen , s hvasshovd , \u0438 torbj\u0458rnsen. venue: vldb. year: 1998", "productB": "title: low-cost compensation-based query processing. authors: , so hvasshovd. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: vldb j.. year: 1995", "productB": "title: sleepers and workoholics-caching in mobile wireless environments. authors: d barbara , t imielinski. venue: proc . acm. year: nan", "same": true}
+{"productA": "title: an ebxml infrastructure implementation through uddi registries and rosettanet pips. authors: a dogac , y tambag , p pembecioglu , s pektas , g laleci , g kurt , s toprak , y kabak. venue: sigmod conference. year: 2002", "productB": "title: y. kabak ( 2002 ) \u00e2 ?? an ebxml infrastructure implementation through uddi registries and rosettanet pips. authors: a dogac , y tambag , p pembecioglu , s pektas , gb. venue: proceedings of the 2002 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: analyzing quantitative databases : image is everything. authors: a amir , r kashi , n netanyahu. venue: vldb. year: 2001", "productB": "title: analyzing quantitative databases : image is everything. authors: a amir , r kashi , ns netanyahu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: navigating large-scale semi-structured data in business portals. authors: m abrol , n latarche , u mahadevan , j mao , r mukherjee , p raghavan , m tourn , j wang , g zhang. venue: vldb. year: 2001", "productB": "title: navigating large-scale semi-structured data in business portals. authors: m abrol , n latarche , u mahadevan , j mao , r. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: path queries on compressed xml. authors: p buneman , m grohe , c koch. venue: vldb. year: 2003", "productB": "title: path queries on compressed xml. authors: p buneman , m grohe , c koch. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: information integration on the web : a view from ai and databases ( report on iiweb-03 ). authors: s kambhampati , c knoblock. venue: sigmod record. year: 2003", "productB": "title: information integration on the web : a view from ai and databases ( report on iiweb-03 ) \u00e2 #. authors: s kambhampati , ca knoblock. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: in cyber space no one can hear you scream. authors: c pound. venue: vldb. year: 1999", "productB": "title: in cyber space no one can hear you scream. authors: c pound. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: spatial hash-joins. authors: m lo , c ravishankar. venue: sigmod conference. year: 1996", "productB": "title: spatial hash-joins , acm sigmod intl. authors: ml lo , cv ravishankar. venue: conference on management of data ,. year: nan", "same": true}
+{"productA": "title: efficient computation of iceberg cubes with complex measures. authors: j han , j pei , g dong , k wang. venue: sigmod conference. year: 2001", "productB": "title: efficient computation of iceberg queries with complex measures. authors: j han , j pei , g dong , k wang. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: quickly generating billion-record synthetic databases. authors: j gray , p sundaresan , s englert , k baclawski , p weinberger. venue: sigmod conference. year: 1994", "productB": "title: quickly generating billion-record synthetic databases. authors: s englert , pj weinberger. venue: nan. year: nan", "same": true}
+{"productA": "title: the myriad federated database prototype. authors: s hwang , e lim , h yang , s musukula , k mediratta , m ganesh , d clements , j stenoien , j srivastava. venue: sigmod conference. year: 1994", "productB": "title: the myriad federated database prototype. authors: sy hwang , ep lim , hr yang , s musukula , k mediratta. venue: nan. year: nan", "same": true}
+{"productA": "title: oracle industrial exhibit. authors: a pogue. venue: vldb. year: 1998", "productB": "title: oracle industrial exhibit. authors: a pogue. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: crawling the hidden web. authors: s raghavan , h garcia-molina. venue: vldb. year: 2001", "productB": "title: garcia-molina . h. crawling the hidden web. authors: s raghavan. venue: tenth international world wide web. year: nan", "same": true}
+{"productA": "title: the mlpq/gis constraint database system. authors: p revesz , r chen , p kanjamala , y li , y liu , y wang. venue: sigmod conference. year: 2000", "productB": "title: the mlpq/gis constraint database. authors: pz revesz , r chen , p kanjamala , y li , y liu , y. venue: proceedings of sigmod 2000 ,. year: nan", "same": true}
+{"productA": "title: query rewriting for semistructured data. authors: y papakonstantinou , v vassalos. venue: sigmod conference. year: 1999", "productB": "title: query rewriting for semistructured data. authors: y papakonstantinou. venue: nan. year: nan", "same": true}
+{"productA": "title: dynamic content acceleration : a caching solution to enable scalable dynamic web page generation. authors: a datta , k dutta , k ramamritham , h thomas , d vandermeer. venue: sigmod conference. year: 2001", "productB": "title: dynamic content acceleration : a caching solution to enable scalable dynamic web page generation. authors: a datta , k dutta , k ramamritham , h thomas , d. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: why and how to benchmark xml databases. authors: a schmidt , f waas , m kersten , d florescu , m carey , i manolescu , r busse. venue: sigmod record. year: 2001", "productB": "title: why and how to benchmark xml databases. authors: a schmidt , f waas , m kersten , d florescu , mj carey. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: eager aggregation and lazy aggregation. authors: w yan , p larson. venue: vldb. year: 1995", "productB": "title: eager and lazy aggregation. authors: wp yan , p larson. venue: proc . 21st int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: integrated data management for mobile services in the real world. authors: c hage , c jensen , t pedersen , l speicys , i timko. venue: vldb. year: 2003", "productB": "title: integrated data management for mobile services in the real world. authors: cs jensen , tb pedersen , l speicys , i timko. venue: vldb conf ,. year: nan", "same": true}
+{"productA": "title: zoo : a desktop experiment management environment. authors: y ioannidis , m livny , s gupta , n ponnekanti. venue: vldb. year: 1996", "productB": "title: zoo : a desktop experiment management environment. authors: , m livny , s gupta , n ponnekanti. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: relating distributed objects. authors: b martin , r cattell. venue: vldb. year: 1994", "productB": "title: relating distributed objects. authors: be martin , rgg cattell. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: xpath processing in a nutshell. authors: g gottlob , c koch , r pichler. venue: sigmod record. year: 2003", "productB": "title: xpath processing in a nutshell. authors: g gottlob , c koch , r pichler. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: the glue-nail deductive database system : design , implementation , and evaluation. authors: m derr , s morishita , g phipps. venue: vldb j.. year: 1994", "productB": "title: theglue-naildeductivedatabasesystem : design , implementation , and evaluation. authors: ma derr , s morishita , g phipps. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: integrating information for on demand computing. authors: n mattos. venue: vldb. year: 2003", "productB": "title: integrating information for on demand computing. authors: n mendon\u00e3 \u00a7 a. venue: proc . of vldb ,. year: nan", "same": true}
+{"productA": "title: hmap - a temporal data model managing intervals with different granularities and indeterminacy from natural language sentences. authors: c combi , g pozzi. venue: vldb j.. year: 2001", "productB": "title: hmap-a temporal data model managing intervals with different granularities and indeterminacy from. authors: c combi , g pozzi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: agrawal , r. ; srikant , r. : fast algorithms for mining association rules. authors: s agrawal. venue: proceedings of the 20th international conference of very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: grid data management systems & services. authors: nan. venue: nan. year: 2003", "productB": "title: grid data management systems & services. authors: a jagatheesan , r moore. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: opportunities at arpa , nsf , and elsewhere. authors: x qian. venue: sigmod record. year: 1995", "productB": "title: opportunities at arpa , nsf , and elsewhere. authors: x qian. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: mpeg-7 standard for multimedia databases. authors: nan. venue: nan. year: 2001", "productB": "title: mpeg-7 standard for multimedia databases. authors: jr smith. venue: nan. year: nan", "same": true}
+{"productA": "title: benchmarking spatial join operations with spatial output. authors: e hoel , h samet. venue: vldb. year: 1995", "productB": "title: 1995 . benchmarking spatial join operations with spatial output. authors: eg hoel , h samet. venue: proc . 21st int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: access to objects by path expressions and rules. authors: j frohn , g lausen , h uphoff. venue: vldb. year: 1994", "productB": "title: access to objects by path expressions and rules . vldb\u00e2 ?? 94. authors: j frohn , g lausen , h uphoff. venue: proceedings of 20th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: space-efficient online computation of quantile summaries. authors: m greenwald , s khanna. venue: sigmod conference. year: 2001", "productB": "title: space-efficient online computation of quantile summaries. authors: m greenwald , s khanna. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: what is the nearest neighbor in high dimensional spaces ?. authors: a hinneburg , c aggarwal , d keim. venue: vldb. year: 2000", "productB": "title: keimda ( 2000 ) whatisthenearest neighbor in high dimensional spaces. authors: acc hinneburga. venue: proceedings of the vldb. year: nan", "same": true}
+{"productA": "title: space optimization in deductive databases. authors: d srivastava , s sudarshan , r ramakrishnan , j naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: space optimization in deductive databases. authors: a baltrunas , d srivastava , s sudarshan , r. venue: acm transactions on database systems ,. year: 1995.0", "same": true}
+{"productA": "title: about quark digital media system. authors: k aulakh. venue: sigmod conference. year: 1998", "productB": "title: about quark digital media system. authors: k aulakh. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey. authors: a szalay , p kunszt , a thakar , j gray , d slutz. venue: sigmod conference. year: 2000", "productB": "title: designing and mining multi-terabyte astronomy archives : the sloan digital sky survey .. authors: rj brunner , j gray , p kunszt , d slutz , as szalay ,. venue: nan. year: nan", "same": true}
+{"productA": "title: advanced database technologies in a diabetic healthcare system. authors: w hsu , m lee , b ooi , p mohanty , k teo , c xia. venue: vldb. year: 2002", "productB": "title: advanced database technologies in a diabetic healthcare system. authors: w hsu , ml lee , bc ooi , pk mohanty , kl teo , c xia. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: lh * - a scalable , distributed data structure. authors: w litwin , m neimat , d schneider. venue: acm trans . database syst .. year: 1996", "productB": "title: lh * - a scalable , distributed data store. authors: w litwin , ma neimat , da schneider. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": true}
+{"productA": "title: comparing hybrid peer-to-peer systems. authors: b yang , h garcia-molina. venue: vldb. year: 2001", "productB": "title: comparing hybrid peer-to-peer systems. authors: b yang , h garcia-molina. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: optimization of dynamic query evaluation plans. authors: r cole , g graefe. venue: sigmod conference. year: 1994", "productB": "title: optimization of dynamic query evaluation plans. authors: rl cole , g graefe. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb. year: 2000", "productB": "title: caching strategies for data-intensive web sites. authors: k yagoub , d florescu , v issarny , p valduriez. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: a sequential pattern query language for supporting instant data mining for e-services. authors: r sadri , c zaniolo , a zarkesh , j adibi. venue: vldb. year: 2001", "productB": "title: a sequential pattern query language for supporting instant data mining for e-services. authors: r sadri , c zaniolo , am zarkesh , j adibi. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: improving index performance through prefetching. authors: s chen , p gibbons , t mowry. venue: sigmod conference. year: 2001", "productB": "title: improving index performance through prefetching. authors: scpb gibbons , tc mowry. venue: nan. year: nan", "same": true}
+{"productA": "title: dlfm : a transactional resource manager. authors: h hsiao , i narang. venue: sigmod conference. year: 2000", "productB": "title: dlfm : a transactional resource manager. authors: hi hsiao , i narang. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: efficient view maintenance at data warehouses. authors: d agrawal , a abbadi , a singh , t yurek. venue: sigmod conference. year: 1997", "productB": "title: efficient view maintenanceat data warehouse. authors: d agrawal , a el abbadi , a singh , t yurek. venue: proceedings of the acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , c dengi , e kilic , g \u0436zhan , f ozcan , s nural , c evrendilek , u halici , i arpinar , p koksal , n kesim , s mancuhan. venue: sigmod record. year: 1995", "productB": "title: metu interoperable database system . demo description. authors: a dogac , u halici , e kilic , g ozhan , f ozcan , s. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: evaluating top-k selection queries. authors: s chaudhuri , l gravano. venue: vldb. year: 1999", "productB": "title: evaluating top-k selection queries. authors: l gravano , s chaudhuri. venue: proceedingsof vldb ,. year: nan", "same": true}
+{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasundaram , k tufte , c zhang , g he , d dewitt , j naughton. venue: vldb. year: 1999", "productB": "title: relational databases for querying xml documents : limitations and opportunities. authors: j shanmugasuudaram , k tufte , c zhang , g he , dj. venue: vldb &#39; 99 , proceedings of 25th international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a consensus glossary of temporal database concepts. authors: cs jensen\u00e2 ? \u00a6. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: fast , randomized join-order selection - why use transformations ?. authors: c galindo-legaria , a pellenkoft , m kersten. venue: vldb. year: 1994", "productB": "title: andm . l. kersten . fast , randomized join-order selection why use transformations. authors: ca galindo-legaria , a pellenkoft. venue: proc . of the int &#39; l. conf . on very large data. year: nan", "same": true}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries accross diverse data sources . 23th vldb conf. authors: l haas , d kossmann , e wimmers , j yang. venue: athens greece ,. year: nan", "same": true}
+{"productA": "title: data-driven understanding and refinement of schema mappings. authors: l yan , r miller , l haas , r fagin. venue: sigmod conference. year: 2001", "productB": "title: data-driven understanding and refinement of schema mappings. authors: ll yan , rj miller , lm haas , r fagin. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: supporting global user profiles through trusted authorities. authors: i cingil. venue: sigmod record. year: 2002", "productB": "title: supporting global user profiles through trusted authorities. authors: i cingil. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: providing dynamic security control in a federated database. authors: n idris , w gray , r churchhouse. venue: vldb. year: 1994", "productB": "title: providing dynamic security control in a federated database. authors: nb idris , wa gray , rf churchhouse. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: incremental organization for data recording and warehousing. authors: h jagadish , p narayan , s seshadri , s sudarshan , r kanneganti. venue: vldb. year: 1997", "productB": "title: incremental organization for data recording and warehousing. authors: pps narayan , s seshadri , s sudarshan , hv jagadish ,. venue: nan. year: nan", "same": true}
+{"productA": "title: scalable parallel data mining for association rules. authors: e han , g karypis , v kumar. venue: sigmod conference. year: 1997", "productB": "title: scalable parallel data mining for association rules. authors: h eui-hong , g karypis. venue: ieee transactions on knowledge and data engineering ,. year: nan", "same": true}
+{"productA": "title: closing the key loophole in mls databases. authors: n jukic , s nestorov , s vrbsky. venue: sigmod record. year: 2003", "productB": "title: closing the key loophole in mls databases. authors: n jukic , s nestorov , sv vrbsky. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: an effective hash algorithm for mining association rules. authors: j park , m chen , p yu. venue: proceedings of the 1995 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: overview of the stanford real-time information processor ( strip ). authors: b adelberg , b kao , h garcia-molina. venue: sigmod record. year: 1996", "productB": "title: overview of the stanford real-time information processor ( strip ). authors: b adelberg , b kao , h garcia-molina. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: a sequential pattern query language for supporting instant data mining for e-services. authors: r sadri , c zaniolo , a zarkesh , j adibi. venue: vldb. year: 2001", "productB": "title: ba sequential pattern query language for supporting instant data mining for e-services , ^ in proc. authors: r sadri , c zaniolo , am zarkesh , j adibi. venue: intl. conf . on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: data access for the masses through ole db. authors: j blakeley. venue: sigmod conference. year: 1996", "productB": "title: data access for the masses through ole db .. authors: ja blakeley. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: proximity search in databases. authors: r goldman , n shivakumar , s venkatasubramanian , h garcia-molina. venue: vldb. year: 1998", "productB": "title: proximity search in databases. authors: g roy , s narayanan , v suresh , g hector. venue: proceedings of the 24th vldb conference ,. year: nan", "same": true}
+{"productA": "title: mapping extended entity relationship model to object modeling technique. authors: j fong. venue: sigmod record. year: 1995", "productB": "title: mapping extended entity relationship model to object modeling technique. authors: j fong. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents birch : an efficient data clustering method for very large databases\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents. authors: t zhang , r ramakrishnan , m linvy. venue: proc . acm sigmod int . conf . on management of data , acm press ,. year: nan", "same": true}
+{"productA": "title: heraclitus : elevating deltas to be first-class citizens in a database programming language. authors: s ghandeharizadeh , r hull , d jacobs. venue: acm trans . database syst .. year: 1996", "productB": "title: heraclitus : elevating deltas to be first-class citizens in a database programming language. authors: c damerell , d giddings , b kisielewski , g lutz , g. venue: acm transactions on database systems ,. year: 1996.0", "same": true}
+{"productA": "title: the garlic project. authors: m roth , m arya , l haas , m carey , w cody , r fagin , p schwarz , j ii , e wimmers. venue: sigmod conference. year: 1996", "productB": "title: the garlic project. authors: e wimmers. venue: proceedings of the acm-sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: storage and querying of e-commerce data. authors: r agrawal , a somani , y xu. venue: vldb. year: 2001", "productB": "title: storage and querying of e-commerce data. authors: r agrawal , a somani , y xu. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large databases. authors: r argrawal , r srikant. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: extracting entity profiles from semistructured information spaces. authors: r nado , s huffman. venue: sigmod record. year: 1997", "productB": "title: extracting entity profiles from semistructured information spaces. authors: ra nado , sb huffman. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: an approach to confidence based page ranking for user oriented web search. authors: d mukhopadhyay , d giri , s singh. venue: sigmod record. year: 2003", "productB": "title: an approach to confidence based page ranking for user oriented web search. authors: d mukhopadhyay , d giri , sr singh. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: shore : combining the best features of oodbms and file systems. authors: s team. venue: sigmod conference. year: 1995", "productB": "title: shore : combining the best features of oodbms and file systems. authors: s team. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: executing sql over encrypted data in the database-service-provider model. authors: h hacig\u045cm\u045cs , b iyer , c li , s mehrotra. venue: sigmod conference. year: 2002", "productB": "title: 13 . lyer , c. li , and s. mehrotra . executing sql over encrypted data in the database-service-provider. authors: h hacigumus. venue: proc . the acm sigmod intl. con / : on management of. year: nan", "same": true}
+{"productA": "title: demonstration : enabling scalable online personalization on the web. authors: k dutta , a datta , d vandermeer , k ramamritham , h thomas. venue: vldb. year: 2000", "productB": "title: demonstration : enabling scalable online personalization on the web. authors: k dutta. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: k chakrabarti , e keogh , s mehrotra , m pazzani. venue: acm trans . database syst .. year: 2002", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: e keogh , k chakrabarti , s mehrotra , m pazzani. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: declarative data cleaning : language , model , and algorithms. authors: h galhardas , d florescu , d shasha , e simon , c saita. venue: vldb. year: 2001", "productB": "title: declarative data cleaning : language , model , and algorithms. authors: h galhardas , d florescu , d shasha , e simon , ca. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: influencing database language standards. authors: l gallagher. venue: sigmod record. year: 1994", "productB": "title: influencing database language standards. authors: l gallagher. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: user-cognizant multidimensional analysis. authors: s sarawagi. venue: vldb j.. year: 2001", "productB": "title: user-cognizant multidimensional analysis. authors: s sarawagi. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j tygar. venue: vldb. year: 1998", "productB": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: jd tygar. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: indexing and querying xml data for regular path expressions. authors: q li , b moon. venue: vldb. year: 2001", "productB": "title: indexing and queryifig xml data for regular path expressions [ c ]. authors: q li , b moon. venue: proe of the 27th vldb conf , roma , italy ,. year: nan", "same": true}
+{"productA": "title: tutorial : application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: application servers and associated technologies. authors: c mohan. venue: nan. year: nan", "same": true}
+{"productA": "title: schema and database evolution in the o2 object database system. authors: f ferrandina , t meyer , r zicari , g ferran , j madec. venue: vldb. year: 1995", "productB": "title: others , schema and database evolution in the o 2 object database system. authors: f ferrandina , t meyer , r zicari. venue: proc . vldb ( sep. .. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset countingand implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: & hellip ; of the acm international conference on management of data ( & hellip ; ,. year: nan", "same": true}
+{"productA": "title: watchman : a data warehouse intelligent cache manager. authors: p scheuermann , j shim , r vingralek. venue: vldb. year: 1996", "productB": "title: a data warehouse intelligent cache manager [ c ]. authors: p schenermann\u00e2 ? \u00a6. venue: proc of the 22nd vldb conf ,. year: nan", "same": true}
+{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: e knorr , r ng. venue: vldb. year: 1998", "productB": "title: algorithms for mining distance-based outliers in large datasets , the vldb conference. authors: en knott , rt ng. venue: new york , usa , september. year: nan", "same": true}
+{"productA": "title: data extraction and transformation for the data warehouse. authors: c squire. venue: sigmod conference. year: 1995", "productB": "title: data extraction and transformation for the data warehouse. authors: c squire. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: materialized views selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: vldb. year: 1997", "productB": "title: materialization view selection in a multidimensional database. authors: e baralis , s paraboschi , e teniente. venue: proceedings of the 23rd vldb. year: nan", "same": true}
+{"productA": "title: webfilter : a high-throughput xml-based publish and subscribe system. authors: j pereira , f fabret , h jacobsen , f llirbat , d shasha. venue: vldb. year: 2001", "productB": "title: webfilter : a high-throughput xml-based publish and subscribe system. authors: f fabret , h jacobsen , f llirbat , j pereira , d. venue: vldb , rome , italy ,. year: nan", "same": true}
+{"productA": "title: towards on-line analytical mining in large databases. authors: j han. venue: sigmod record. year: 1998", "productB": "title: towards on-line analytical mining in large databases .. authors: acms anthology. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: high-performance extensible indexing. authors: m kornacker. venue: vldb. year: 1999", "productB": "title: high-performance extensible indexing. authors: m kornacker. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: fast time sequence indexing for arbitrary lp norms. authors: b yi , c faloutsos. venue: vldb. year: 2000", "productB": "title: fast time sequence indexing for arbitrary lp norms. authors: c faloutsos , b yi. venue: proceedings of the 26th international conference on very & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: efficient view maintenance at data warehouses. authors: d agrawal , a abbadi , a singh , t yurek. venue: sigmod conference. year: 1997", "productB": "title: efficient data view maintenance warehouses. authors: d agrawal , a el abbadi , a singh , t yurek. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: a study on data point search for hg-trees. authors: j kuan , p lewis. venue: sigmod record. year: 1999", "productB": "title: a study on data point search for hg-trees .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: operating system extensions for the teradata parallel vldb. authors: j catozzi , s rabinovici. venue: vldb. year: 2001", "productB": "title: operating system extensions for the teradata parallel vldb. authors: ncr ncr. venue: nan. year: nan", "same": true}
+{"productA": "title: optics : ordering points to identify the clustering structure. authors: m ankerst , m breunig , h kriegel , j sander. venue: sigmod conference. year: 1999", "productB": "title: m. , kriegel , h.-p . and sander , j. , 1999 , optics : ordering points to identify the clustering. authors: m ankerst , m breunig. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: effective change detection using sampling. authors: j cho , a ntoulas. venue: vldb. year: 2002", "productB": "title: effective change detection using sampling ( extended version ). authors: j cho , a ntoulas. venue: technical report , ucla computer science department ,. year: nan", "same": true}
+{"productA": "title: a complete temporal relational algebra. authors: d dey , t barron , v storey. venue: vldb j.. year: 1996", "productB": "title: a complete temporal relational algebra. authors: d dey , tm barron , vc storey. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: approximate similarity retrieval with m-trees. authors: p zezula , p savino , g amato , f rabitti. venue: vldb j.. year: 1998", "productB": "title: approximate similarity retrieval with m-trees. authors: p zezula , p savino , g amato , f rabitti. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: statistical synopses for graph-structured xml databases. authors: n polyzotis , m garofalakis. venue: sigmod conference. year: 2002", "productB": "title: statistical synopses for graph-structured xml databases. authors: n polyzotis , mn garofalakis. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: a language for manipulating arrays. authors: a marathe , k salem. venue: vldb. year: 1997", "productB": "title: a language for manipulating arrays. authors: ap marathe , k salem. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: data mining-based intrusion detectors : an overview of the columbia ids project. authors: s stolfo , w lee , p chan , w fan , e eskin. venue: sigmod record. year: 2001", "productB": "title: data mining-based intrusion detectors : an overview of the columbia ids project. authors: sj stolfo , w lee , pk chan , w fan , e eskin. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: methodology for development and employment of ontology based knowledge management applications. authors: y sure , s staab , r studer. venue: sigmod record. year: 2002", "productB": "title: methodology for development and employment of ontology based knowledge management applications .. authors: y sure , s staab , r studer. venue: sigmod record ( 4 ) ,. year: nan", "same": true}
+{"productA": "title: efficient ir-style keyword search over relational databases. authors: v hristidis , l gravano , y papakonstantinou. venue: vldb. year: 2003", "productB": "title: efficient ir-style keyword search over relational databases. authors: v hristidis. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: a low-cost storage server for movie on demand databases. authors: b \u0436zden , a biliris , r rastogi , a silberschatz. venue: vldb. year: 1994", "productB": "title: a low-cost storage serverfor movie on demand databases. authors: b ozden , a biliris , r rastogi , a silberschatz. venue: proceedings of the 20th vldb conference , santiago , chile ,. year: nan", "same": true}
+{"productA": "title: processing complex aggregate queries over data streams. authors: a dobra , m garofalakis , j gehrke , r rastogi. venue: sigmod conference. year: 2002", "productB": "title: processing complex aggregate queries over data streams. authors: d alin , g minos , g johannes , r rajeev. venue: proc . of the 2002 acm sigmod intl. conf . on management of & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: and schwarz , je : lh * rs : a high-availability scalable distributed data structure using reed solomon. authors: w litwin. venue: ceria res .. year: nan", "same": true}
+{"productA": "title: improving adaptable similarity query processing by using approximations. authors: m ankerst , b braunm\u045cller , h kriegel , t seidl. venue: vldb. year: 1998", "productB": "title: improving adaptable similarity query processing by using approximations. authors: m ankerst , b braunmueller , hp kriegel , t seidl. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: report from the nsf workshop on workflow and process automation in information systems. authors: nan. venue: nan. year: 1996", "productB": "title: report from the nsf workshop on workflow and process automation in information systems , deptartment. authors: a sheth , d georgakopoulos , s joosten , m. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: mobile computing and databases : anything new ?. authors: m dunham , a helal. venue: sigmod record. year: 1995", "productB": "title: mobile computing and databases : anything new ?. authors: bb noble , a helal. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: languages for multi-database interoperability. authors: f gingras , l lakshmanan , i subramanian , d papoulis , n shiri. venue: sigmod conference. year: 1997", "productB": "title: languages for multi-database interoperability. authors: g frederic , vs lakshmanan laks , n subramaman iyer ,. venue: ptoc . of the acm sigmod , tucson , arizona , may ,. year: nan", "same": true}
+{"productA": "title: virtual database technology. authors: a gupta , v harinarayan , a rajaraman. venue: sigmod record. year: 1997", "productB": "title: virtual database technology. authors: a gupta , v harinarayan , a rajaraman. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: sj : lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: the dangers of replication. authors: j gray , p helland , po\u00e2 ?? neil , d shasha. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: cache investment : integrating query optimization and distributed data placement. authors: d kossmann , m franklin , g drasch. venue: acm trans . database syst .. year: 2000", "productB": "title: cache investment : integrating query optimization and distributed data placement. authors: d kossmann , mj franklin , g drasch. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: bypassing joins in disjunctive queries. authors: m steinbrunn , k peithner , g moerkotte , a kemper. venue: vldb. year: 1995", "productB": "title: bypassing joins in disjunctive queries. authors: acm.org. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: semantic b2b integration. authors: nan. venue: nan. year: 2001", "productB": "title: semantic b2b integration. authors: c bussler. venue: nan. year: nan", "same": true}
+{"productA": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , l lakshmanan , d srivastava. venue: sigmod conference. year: 2001", "productB": "title: minimization of tree pattern queries. authors: s amer-yahia , s cho , lvs lakshmanan , d srivastava. venue: nan. year: nan", "same": true}
+{"productA": "title: xquery : a query language for xml. authors: nan. venue: nan. year: 2003", "productB": "title: xquery : a query language for xml .. authors: dd chamberlin\u00e2 ? \u00a6. venue: nan. year: nan", "same": true}
+{"productA": "title: safe and efficient sharing of persistent objects in thor. authors: b liskov , a adya , m castro , m day , s ghemawat , r gruber , u maheshwari , a myers , l shrira. venue: sigmod conference. year: 1996", "productB": "title: r , gruber , u. maheshwari , a , myers , and l. shrira . safe and efficient sharing of persistent objects. authors: b liskov , a adya , m castro , m day , s ghe-mawat. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: c olston , j widom. venue: vldb. year: 2000", "productB": "title: offering a precision-performance tradeoff for aggregation queries over replicated data twenty-sixty. authors: c olston , j widom. venue: cairo , egypt , september ,. year: nan", "same": true}
+{"productA": "title: on the minimization of xpath queries. authors: s flesca , f furfaro , e masciari. venue: vldb. year: 2003", "productB": "title: on the minimization of xpath queries. authors: s flesca , f furfaro , e masciari. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: tigukat : a uniform behavioral objectbase management system. authors: m \u0436zsu , r peters , d szafron , b irani , a lipka , a mu\u0451oz. venue: vldb j.. year: 1995", "productB": "title: t1gukat : a uniform behavioral objectbase management system. authors: mt ozsu , r peters , d szafron , b irani , a lipka , a. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: small materialized aggregates : a light weight index structure for data warehousing. authors: g moerkotte. venue: vldb. year: 1998", "productB": "title: small materialized aggregates : a light weight index structure. authors: g moerkotte. venue: very large data bases conference ( vldb\u00e2 ?? 98 ) ,. year: nan", "same": true}
+{"productA": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: sigmod conference. year: 2001", "productB": "title: query optimization in compressed database systems. authors: z chen , j gehrke , f korn. venue: nan. year: nan", "same": true}
+{"productA": "title: containment join size estimation : models and methods. authors: w wang , h jiang , h lu , j yu. venue: sigmod conference. year: 2003", "productB": "title: containment join size estimation : models and methods. authors: w wang , h jiang , h lu , jx yu. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , j gruser , z tang. venue: vldb. year: 1996", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: g gardarin , jr gruser , zh tang. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: vldb. year: 1998", "productB": "title: incremental cluster for mining in a data warehousing environment. authors: m ester , h kriegel , j sander , m wimmer , x xu. venue: proc . of 24 thint\u00e2 ?? l conf . of vldb ,. year: nan", "same": true}
+{"productA": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb. year: 1995", "productB": "title: coloring away communication in parallel query optimization. authors: w hasan , r motwani. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: range queries in olap data cubes. authors: c ho , r agrawal , n megiddo , r srikant. venue: sigmod conference. year: 1997", "productB": "title: range queries in olap data cubes. authors: h ch , r agrawal , n megiddo , r srikant. venue: proc . acm sigmod int . conf . on management of data ,. year: nan", "same": true}
+{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c galindo-legaria , a rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: outerjoin simplification and reordering for query optimization , 1993. authors: ca galindo-legaria , a rosenthal. venue: submitted for. year: nan", "same": true}
+{"productA": "title: sequence query processing. authors: p seshadri , m livny , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: sequence query processing proc. authors: p sheshadri , m livny , r ramakrishnan. venue: acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: temporal coalescing with now , granularity , and incomplete information. authors: c dyreson. venue: sigmod conference. year: 2003", "productB": "title: temporal coalescing with now , granularity , and incomplete information. authors: ce dyreson. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: lore : a database management system for semistructured data. authors: j mchugh , s abiteboul , r goldman , d quass , j widom. venue: sigmod record. year: 1997", "productB": "title: lore : a database management system for semistructued data. authors: j mchugh , s abiteboul , r goldman\u00e2 ? \u00a6. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: the reach active oodbms. authors: a buchmann , a deutsch , j zimmermann , m higa. venue: sigmod conference. year: 1995", "productB": "title: the reach active oodbms. authors: ap buchmann , a deutsch , j zimmermann , m higa. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: efendi : federated database system of cadlab. authors: e radeke , r b\u0456ttger , b burkert , y engel , g kachel , s kolmschlag , d nolte. venue: sigmod conference. year: 1995", "productB": "title: efendi : federated database system of cadlab. authors: e radeke , r b\u00e3 \u00b6 ttger , b burkert , y engel , g kachel. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: \\ addendum to \\ '' \\ `` automatic generation of production rules for integrity maintenance \\ '' \\ '' \\ '' ''. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm trans . database syst .. year: 1995", "productB": "title: addendum to '' automatic generation of procedure rules for integrity maintenance. authors: s ceri , p fraternali , s paraboschi , l tanca. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": true}
+{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , e rundensteiner. venue: sigmod conference. year: 2001", "productB": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: j chen , x zhang , s chen , a koeller , ea. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: change-centric management of versions in an xml warehouse. authors: a marian , s abiteboul , g cobena , l mignet. venue: vldb. year: 2001", "productB": "title: change-centric management of versions in an xml warehouse in proc . of the 27th vldb. authors: a marian , s abiteboul , g cobena , l mignet. venue: rome , italy , sep ,. year: nan", "same": true}
+{"productA": "title: approximate medians and other quantiles in one pass and with limited memory. authors: g manku , s rajagopalan , b lindsay. venue: sigmod conference. year: 1998", "productB": "title: approximate medians and other quantiles in one pass and with limited memory. authors: gs manku , s rajagopalan , bg lindsay. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: w liang , m orlowska , j yu. venue: vldb j.. year: 2000", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: w liang , me orlowska , jx yu. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: relaxed transaction processing. authors: m singh , c tomlinson , d woelk. venue: sigmod conference. year: 1994", "productB": "title: relaxed transaction processing. authors: mp singh , c tomlinson , d woelk. venue: nan. year: nan", "same": true}
+{"productA": "title: database techniques for the world-wide web : a survey. authors: d florescu , a levy , a mendelzon. venue: sigmod record. year: 1998", "productB": "title: database techniques for the world -- wide web . . a survey. authors: f daniela , l alon , m alberto. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: ubiquitous , self-tuning , scalable servers. authors: p spiro. venue: sigmod conference. year: 1998", "productB": "title: ubiquitous , self-tuning , scalable servers. authors: p spiro. venue: nan. year: nan", "same": true}
+{"productA": "title: on the computation of multidimensional aggregates. authors: s agarwal , r agrawal , p deshpande , a gupta , j naughton , r ramakrishnan , s sarawagi. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregations. authors: s agarwal , r agrawal , pm deshpande\u00e2 ? \u00a6. venue: proc . of the 22nd vldb conference , india ,. year: nan", "same": true}
+{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: nan. venue: nan. year: 2003", "productB": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: k aberer. venue: acm sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: a critique of ansi sql isolation levels. authors: h berenson , p bernstein , j gray , j melton , e o'neil , p o'neil. venue: sigmod conference. year: 1995", "productB": "title: a critique of ansi sql isolation levels. authors: po\u00e2 ?? neil. venue: a dense , scholarly , oft-cited , hard-to-read , necessary. year: nan", "same": true}
+{"productA": "title: tip : a temporal extension to informix. authors: j yang , h ying , j widom. venue: sigmod conference. year: 2000", "productB": "title: tip : a temporal extension to informix. authors: j yang , hc ying , j widom. venue: nan. year: nan", "same": true}
+{"productA": "title: 50,000 users on an oracle8 universal server database. authors: t lahiri , a josji , a jasuja , s chatterjee. venue: sigmod conference. year: 1998", "productB": "title: 50,000 users on an oracle8 universal server database. authors: t lahiri , a joshi , a jasuja , s chatterjee. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: approximate string joins in a database ( almost ) for free. authors: l gravano , p ipeirotis , h jagadish , n koudas , s muthukrishnan , d srivastava. venue: vldb. year: 2001", "productB": "title: approximate string joins in a database ( almost ) for free. authors: l gravano , pg ipeirotis , hv jagadish , n koudas , s. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: data modelling in the large. authors: m bertram. venue: sigmod record. year: 1994", "productB": "title: data modelling in the large. authors: m bertram. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: spatial operators. authors: e clementini , p felice. venue: sigmod record. year: 2000", "productB": "title: spatial operators. authors: e clementini , p di felice. venue: nan. year: nan", "same": true}
+{"productA": "title: from nested-loop to join queries in oodb. authors: h steenhagen , p apers , h blanken , r by. venue: vldb. year: 1994", "productB": "title: fromnested-loop to join queries inoodb. authors: h steenhaben , p apers , h blanken , r de by. venue: proc . int . conf . on very largedata bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: mapping adaptation under evolving schemas. authors: y velegrakis , r miller , l popa. venue: vldb. year: 2003", "productB": "title: mapping adaptation under evolving schemas. authors: y velegrakis , rj miller , l popa. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: vldb j.. year: 1995", "productB": "title: fibonacci : a programming language for object databases. authors: a albano , g ghelli , r orsini. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: griddb : a database interface to the grid. authors: d liu , m franklin , d parekh. venue: sigmod conference. year: 2003", "productB": "title: demo . griddb : a relational interface to the grid. authors: dt liu , mj franklin , d parekh. venue: sigmod . june ,. year: nan", "same": true}
+{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: r pottinger , a halevy. venue: vldb j.. year: 2001", "productB": "title: minicon . a scalable algorithm for answering queries using views. authors: r pttinger , a levy. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: effective timestamping in databases. authors: k torp , c jensen , r snodgrass. venue: vldb j.. year: 2000", "productB": "title: effective timestamping in databases. authors: k torp , cs jensen , rt snodgrass. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: complex queries over web repositories. authors: s raghavan , h garcia-molina. venue: vldb. year: 2003", "productB": "title: complex queries over web repositories. authors: s raghavan , h garcia-molina. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: xsb as an efficient deductive database engine. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database engine ( pp. 442\u00e2 ?? 453 ). authors: k sagonas , t swift , d warren. venue: proceedings of the 1994 acm sigmod , international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a framework for clustering evolving data streams. authors: c aggarwal , j han , j wang , p yu. venue: vldb. year: 2003", "productB": "title: a framework for clustering evolving data streams. authors: c charu , h jia-wei. venue: proc the 29th vldb conference . berlin : johann christoph & hellip ; ,. year: nan", "same": true}
+{"productA": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: s ashwin , p roy , s seshadri , a silberschatz , s sudarshan. venue: vldb. year: 1997", "productB": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: p roy , s seshadri , a silberschatz , s sudarshan , s. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: chameleon : an extensible and customizable tool for web data translation. authors: r torlone , p atzeni. venue: vldb. year: 2003", "productB": "title: chameleon : an extensible and customizable tool for web data translation. authors: r torlone , p atzeni. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: an overview of data warehouse and olap technology. authors: s chauduri , u dayal. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: a database index to large biological sequences. authors: e hunt , m atkinson , r irving. venue: vldb. year: 2001", "productB": "title: a database index to large biological sequences. authors: e hunt , mp atkinson , rw irving. venue: nan. year: nan", "same": true}
+{"productA": "title: declarative data cleaning : language , model , and algorithms. authors: h galhardas , d florescu , d shasha , e simon , c saita. venue: vldb. year: 2001", "productB": "title: data cleaning : model , declarative language and algorithms. authors: h galhardas. venue: phd thesis , universite de versailles saint-quentin-en-yvelines ,. year: nan", "same": true}
+{"productA": "title: view maintenance in mobile computing. authors: o wolfson , a sistla , s dao , k narayanan , r raj. venue: sigmod record. year: 1995", "productB": "title: view maintenance in mobile computing. authors: o wolfson , p sistla , s dao. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: caching multidimensional queries using chunks. authors: p deshpande , k ramasamy , a shukla , j naughton. venue: sigmod conference. year: 1998", "productB": "title: caching multidimensional queries using chunks. authors: pm deshpande , a shukla. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: amicalola report : database and information system research challenges and opportunities in semantic web and enterprises. authors: a sheth , r meersman. venue: sigmod record. year: 2002", "productB": "title: amicalola report : database and information system research challenges and opportunities in semantic. authors: a sheth , r meersman. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: pm3 : an orthogonal persistent systems programming language - design , implementation , performance. authors: a hosking , j chen. venue: vldb. year: 1999", "productB": "title: pm3 : an orthogonal persistent systems programming language-design , implementation , performance. authors: a hosking , j chen. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: semantic and schematic similarities between database objects : a context-based approach. authors: v kashyap , a sheth. venue: vldb j.. year: 1996", "productB": "title: semantic similarities between objects in multiple databases : a context-based approach. authors: v kashyap , a sheth. venue: the vldb journal-an international journal on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a one-pass aggregation algorithm with the optimal buffer size in multidimensional olap. authors: y lee , k whang , y moon , i song. venue: vldb. year: 2002", "productB": "title: a one-pass aggregation algorithm with the optimal buffer size in multidimensional olap .. authors: yk lee , ky whang , ys moon , iy song. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: new standard for stored procedures in sql. authors: a eisenberg. venue: sigmod record. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac new standard for stored procedures in sql\u00e3 cents \u00e2 ? \u00ac \u00e2 ? cents. authors: a eisenberg. venue: sigmod record ( acm special interest group on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the worlinfo assistant : spatio-temporal information integration on the web. authors: j ambite , c knoblock , m kolahdouzan , m muslea , c shahabi , s thakkar. venue: vldb. year: 2001", "productB": "title: the worldinfo assistant : spatio-temporal information integration on the web. authors: jl ambite , ca knoblock , mr kolahdouzan , m muslea ,. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: webservice composition with o'grape and osiris. authors: r weber , c schuler , p neukomm , h schuldt , h schek. venue: vldb. year: 2003", "productB": "title: web service composition with o'grape and osiris. authors: r weber , c schuler , p neukomm , h schuldt , hj schek. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: anatomy of a real e-commerce system. authors: a jhingran. venue: sigmod conference. year: 2000", "productB": "title: anatomy of a real e-commerce system. authors: a jhingran. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient construction of regression trees with range and region splitting. authors: y morimoto , h ishii , s morishita. venue: vldb. year: 1997", "productB": "title: hiromuishii , and shinichi morishita . efficient construction ofregression treeswithrange andregion. authors: y morimoto. venue: & hellip ; conference onverylargedata bases , athens , greece , august ,. year: nan", "same": true}
+{"productA": "title: self-organizing data sharing communities with sagres. authors: z ives , a levy , j madhavan , r pottinger , s saroiu , i tatarinov , s betzler , q chen , e jaslikowska , j su , w yeung. venue: sigmod conference. year: 2000", "productB": "title: self-organizing data sharing communities with sagres : system demonstration. authors: z ives , a levy , j madhavan , r pottinger , s saroiu ,. venue: proc . of sigmod , page ,. year: nan", "same": true}
+{"productA": "title: near neighbor search in large metric spaces. authors: s brin. venue: vldb. year: 1995", "productB": "title: near neighbor search in large metric space in : proc . 21st int. authors: s brin. venue: conf . on vldb ,. year: nan", "same": true}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: the demarcation protocol : a technique for maintaining arithmetic constraints in distributed database. authors: d barbara911 barbara. venue: cs-tr-320-9 1 , princeton university , april 199. year: nan", "same": true}
+{"productA": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: s ceri , r cochrane , j widom. venue: vldb. year: 2000", "productB": "title: practical applications of triggers and constraints : success and lingering issues. authors: s ceri , r cochrane , j widom. venue: proc . 26th int . conf . on very large databases ,. year: 2000.0", "same": true}
+{"productA": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference. year: 1994", "productB": "title: from structured documents to novel query facilities , in proc . of acm sigmod conference , may 1994. authors: v christophides , s abiteboul , s cluet , m scholl. venue: nan. year: nan", "same": true}
+{"productA": "title: loading databases using dataflow parallelism. authors: t barclay , r barnes , j gray , p sundaresan. venue: sigmod record. year: 1994", "productB": "title: loading databases using dataflow parallelism. authors: t barclay , r barnes , j gray , p sundaresan. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: a top-down approach for two level serializability. authors: m ouzzani , m atroun , n belkhodja. venue: vldb. year: 1994", "productB": "title: a top-down approach for two level serializability. authors: aaaaa algerie. venue: nan. year: nan", "same": true}
+{"productA": "title: hodfa : an architectural framework for homogenizing heterogeneous legacy database. authors: k karlapalem , q li , c shum. venue: sigmod record. year: 1995", "productB": "title: hodfa : an architectural framework for homogenizing heterogeneous legacy databases. authors: cw bay , hk kowloon. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: javax.xxl : a prototype for a library of query processing algorithms. authors: j bercken , j dittrich , b seeger. venue: sigmod conference. year: 2000", "productB": "title: javax . xxl : a prototype for a library of query processing algorithms. authors: j van den bercken , jp dittrich , b seeger. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: an orthogonally persistent java. authors: m atkinson , l dayn\u0448s , m jordan , t printezis , s spence. venue: sigmod record. year: 1996", "productB": "title: l. , jordan , mj , printezis , t. , and spence , s. 1996 . an orthogonally persistent java. authors: mp atkinson , es dayn. venue: sigmod. year: nan", "same": true}
+{"productA": "title: olap , relational , and multidimensional database systems. authors: g colliat. venue: sigmod record. year: 1996", "productB": "title: olap , relational , and multidimensional database system. authors: g coliat. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: distributed top-k monitoring. authors: b babcock , c olston. venue: sigmod conference. year: 2003", "productB": "title: distributed top-k monitoring. authors: b babcock , c olston. venue: nan. year: nan", "same": true}
+{"productA": "title: mpeg-7 standard for multimedia databases. authors: nan. venue: nan. year: 2001", "productB": "title: standard for multimedia databases. authors: jr smith. venue: proceedings of the 2001 acm sigmod international conference & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , ks beyer , g chen , d. venue: sigmod conference ,. year: 1997.0", "same": true}
+{"productA": "title: data warehousing and olap for decision support ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: data warehousing and olap for decision support. authors: s chaudhuri , u dayal. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: towards self-tuning data placement in parallel database systems. authors: m lee , m kitsuregawa , b ooi , k tan , a mondal. venue: sigmod conference. year: 2000", "productB": "title: towards self-tuning data placement in parallel database systems. authors: ml lee , m kitsuregawa , bc ooi , kl tan , a mondal. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: s ceri , p fraternali , s paraboschi. venue: vldb. year: 1999", "productB": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: s ceri , p fraternali , s paraboschi. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: efficient similarity search and classification via rank aggregation. authors: r fagin , r kumar , d sivakumar. venue: sigmod conference. year: 2003", "productB": "title: e cient similarity search and classi cation via rank aggregation. authors: r fagin , r kumar , d sivakumar. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: continuous queries over data streams. authors: s babu , j widom. venue: sigmod record. year: 2001", "productB": "title: continues queries over data streams. authors: s babu , j widom. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: selectivity estimation in spatial databases. authors: s acharya , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: selectivity estimationinspatial databases. authors: s acharya , v poosala , s ramaswamy. venue: proc . acm sigmod ,. year: nan", "same": true}
+{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , t svensen. venue: vldb. year: 1994", "productB": "title: naos-e-cient and modular reactive capabilities in an object-oriented database system. authors: c collet , t coupaye , h svensen. venue: proceedings of the 20th international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: recovering information from summary data. authors: c faloutsos , h jagadish , n sidiropoulos. venue: vldb. year: 1997", "productB": "title: recovering information from summary data. authors: hv jagadish , nd sidiropoulost. venue: nan. year: nan", "same": true}
+{"productA": "title: scientific data repositories : designing for a moving target. authors: e stolte , c praun , g alonso , t gross. venue: sigmod conference. year: 2003", "productB": "title: scientific data repositories : designing for a moving target. authors: e stolte , c praun , g alonso , tr gross. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: an effective hash based algorithm for mining association rules. authors: j park , m chen , p yu. venue: sigmod conference. year: 1995", "productB": "title: an effective hash-based algorithm for mining association rules. authors: js park , ps yu. venue: nan. year: nan", "same": true}
+{"productA": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record. year: 1997", "productB": "title: converting relational to object-oriented databases. authors: j fong. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: gigascope : a stream database for network applications. authors: c cranor , t johnson , o spatscheck , v shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: gigascope : a stream database for network applications. authors: cd cranor , t johnson , v shkapenyuk. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: beyond market baskets : generalizing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: sigmod conference. year: 1997", "productB": "title: beyond market basket : generaliing association rules to correlations. authors: s brin , r motwani , c silverstein. venue: proceedings of the 1997 acm-sigmod conference on management. year: nan", "same": true}
+{"productA": "title: ariadne : a system for constructing mediators for internet sources. authors: j ambite , n ashish , g barish , c knoblock , s minton , p modi , i muslea , a philpot , s tejada. venue: sigmod conference. year: 1998", "productB": "title: ariadne : a system for constructing mediators for internet sources. authors: jl ambite , n ashish , g barish , ca knoblock , s. venue: sigmod conference ,. year: 1998.0", "same": true}
+{"productA": "title: data access for the masses through ole db. authors: j blakeley. venue: sigmod conference. year: 1996", "productB": "title: data accessforthemasses through oledb. authors: j blakeley. venue: proc . acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: partition selection policies in object database garbage collection. authors: j cook , a wolf , b zorn. venue: sigmod conference. year: 1994", "productB": "title: partition selection policies in object oriented database garbage collection. authors: je cook , al wolf , bg zorn. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: han . efficient and eectiveclusteringmethods for spatial data mining. authors: rt ng andj. venue: proc . of the vldb conference , santiago , chile , september ,. year: nan", "same": true}
+{"productA": "title: agent-based semantic interoperability in infosleuth. authors: j fowler , b perry , m nodine , b bargmeyer. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth. authors: m nodine , b perry , b bargmeyer. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset counting and implication rules for market basket analysis. authors: s brin , r motwani , jd ullman , s tsur. venue: nan. year: nan", "same": true}
+{"productA": "title: processing object-oriented queries with invertible late bound functions. authors: s flodin , t risch. venue: vldb. year: 1995", "productB": "title: processing object-oriented queries with invertible late bound functions. authors: s flodin , t risch. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: cache conscious algorithms for relational query processing. authors: a shatdal , c kant , j naughton. venue: vldb. year: 1994", "productB": "title: cache conscious algorithms for relational query processing. authors: a shatdal , c kant , jf naughton. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: g sudipto , r rastogi , k shim. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: the evolution of the web and implications for an incremental crawler. authors: j cho , h garcia-molina. venue: vldb. year: 2000", "productB": "title: the evolution of the web and implicationsfor an incremental crawler. authors: j cho , h garcia-molina. venue: technical report , stanford university , 1999 . http://dbpubs .. year: nan", "same": true}
+{"productA": "title: semcog : an object-based image retrieval system and its visual query interface. authors: w li , k candan , k hirata , y hara. venue: sigmod conference. year: 1997", "productB": "title: an object-based image retrieval system and its visual query interface. authors: ws li , ks candan , k hirata , yh semcog. venue: demonstration at the sigmod conference on management of data. year: nan", "same": true}
+{"productA": "title: theory of answering queries using views. authors: a halevy. venue: sigmod record. year: 2000", "productB": "title: theory of answering queries using views. authors: ay halevy. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: data placement in shared-nothing parallel database systems. authors: m mehta , d dewitt. venue: vldb j.. year: 1997", "productB": "title: data placement in shared-nothing parallel database systems. authors: m mehta , dj dewitt. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: report on first international workshop on real-time database systems. authors: nan. venue: nan. year: 1996", "productB": "title: report on l irst international workshop on real-time database systems. authors: s son. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: graphical interaction with heterogeneous databases. authors: t catarci , g santucci , j cardiff. venue: vldb j.. year: 1997", "productB": "title: graphical interaction with heterogeneous databases. authors: t catarci , g santucci , j cardiff. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: terraserver : a spatial data warehouse. authors: t barclay , d slutz , j gray. venue: sigmod conference. year: 2000", "productB": "title: terraserver : a spatial data warehouse. authors: t barclay , dr slutz , j gray. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: bess : storage support for interactive visualization systems. authors: a biliris , t funkhouser , w o'connell , e panagos. venue: sigmod conference. year: 1996", "productB": "title: bess : storage support for interactive visualization systems - group of 4 & raquo ;. authors: a biliris , ta funkhouser , wo ` connell , e panagos. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: indexing of now-relative spatio-bitemporal data. authors: s saltenis , c jensen. venue: vldb j.. year: 2002", "productB": "title: indexing of now-relative spatio-bitemporal data. authors: s \u00e5 altenis , cs jensen. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: efficient and effective clustering methods for spatial data mining. authors: r ng , j han. venue: vldb. year: 1994", "productB": "title: effective clustering methods for spatial data mining. authors: rt ng , jh efficient. venue: & hellip ; . of twentieth international conference on very large data & hellip ; ,. year: nan", "same": true}
+{"productA": "title: query by diagram : a graphical environment for querying databases. authors: t catarci , g santucci. venue: sigmod conference. year: 1994", "productB": "title: query by diagram : a graphical environment for querying databases. authors: di e sistemistica , l sapienza. venue: nan. year: nan", "same": true}
+{"productA": "title: temporal statement modifiers. authors: m b\u0456hlen , c jensen , r snodgrass. venue: acm trans . database syst .. year: 2000", "productB": "title: temporal statement modifiers. authors: mh boehlen , cs jensen , rt snodgrass. venue: acm transactions on database systems ,. year: 2000.0", "same": true}
+{"productA": "title: chain : operator scheduling for memory minimization in data stream systems. authors: b babcock , s babu , m datar , r motwani. venue: sigmod conference. year: 2003", "productB": "title: chain : operator scheduling for memory minimization in stream systems. authors: m dalar , b babcock , s babu , r motwani. venue: proceedings of acm-sigmod ,. year: nan", "same": true}
+{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: d barbar\u0441 , h garcia-molina. venue: vldb j.. year: 1994", "productB": "title: the demarcation protocol : a technique for maintaining arithmetic constraints in distributed database. authors: d barbara , h garcia-molina. venue: nan. year: 1991.0", "same": true}
+{"productA": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record. year: 2000", "productB": "title: knowledge discovery in data warehouses. authors: t palpanas. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: rs : a high-availability scalable distributed data structure using reed solomon codes acm-sigmod-2000. authors: w litwin , je schwarz , t lh. venue: conf . on management of data . with thomas je schwarz ,. year: nan", "same": true}
+{"productA": "title: an asynchronous avoidance-based cache consistency algorithm for client caching dbmss. authors: m \u0436zsu , k voruganti , r unrau. venue: vldb. year: 1998", "productB": "title: an asynchronous avoidance-based cache consistency algorithm for client caching dbmss. authors: , k voruganti , rc unrau. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: xbase : making your gigabyte disk queriable. authors: h lu , g wang , g yu , y bao , j lv , y yu. venue: sigmod conference. year: 2002", "productB": "title: xbase : making your gigabyte disk queriable. authors: h lu , g wang , g yu , y bao , j lv , y yu. venue: proceedings of the 2002 acm sigmod international conference & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: picodmbs : scaling down database techniques for the smartcard. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2000", "productB": "title: bo uganim l , pucheral p , valduriez p. picodbms : scaling down database tec hniques for the smartcard. authors: c bobineau. venue: proc . of the 26th int\u00e2 ?? l conf . on very large data bases ( & hellip ; ,. year: nan", "same": true}
+{"productA": "title: incremental distance join algorithms for spatial databases. authors: g hjaltason , h samet. venue: sigmod conference. year: 1998", "productB": "title: incremental distance join algorithms for spatial databases. authors: grhh samet. venue: proc . of the acm sigmod. year: nan", "same": true}
+{"productA": "title: toward network data independence. authors: j hellerstein. venue: sigmod record. year: 2003", "productB": "title: toward network data independence. authors: j hellerstein. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: the consensus glossary of temporal database concepts . temporal databases : research and practice. authors: c jensen , ce dyreson. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: xmark : a benchmark for xml data management. authors: a schmidt , f waas , m kersten , m carey , i manolescu , r busse. venue: vldb. year: 2002", "productB": "title: xmark : a benchmark for xml data management . monetdb . swi . nl , 2002. authors: a schmidt , f waas , m kersten , mj carey , i. venue: cwi , amsterdam , nl . microsoft corporations , wa , usa . bea. year: nan", "same": true}
+{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: 1997", "productB": "title: papakonstantinouy . describing and using query capabilities of heterogeneous sources. authors: v vassalos. venue: proc . of. year: nan", "same": true}
+{"productA": "title: spirit : sequential pattern mining with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: vldb. year: 1999", "productB": "title: mining sequential patterns with regular expression constraints. authors: m garofalakis , r rastogi , k shim. venue: nan. year: nan", "same": true}
+{"productA": "title: a pictorial query language for querying geographic databases using positional and olap operators. authors: e pourabbas , m rafanelli. venue: sigmod record. year: 2002", "productB": "title: a pictorial query language for querying geographic databases using positional and olap operators. authors: e pourabbas , m rafanelli. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a product specification database for visual prototyping. authors: k sumiya , k yasutake , h tanaka , n sanada , y imai. venue: vldb. year: 1995", "productB": "title: a product specification database for visual prototyping. authors: k sumiya , k yasutake , h tanaka , n sanada. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: the idea web lab. authors: s ceri , p fraternali , s paraboschi. venue: sigmod conference. year: 1998", "productB": "title: the idea web lab. authors: s ceri , p fraternali , s paraboschi. venue: nan. year: nan", "same": true}
+{"productA": "title: pesto : an integrated query/browser for object databases. authors: m carey , l haas , v maganty , j williams. venue: vldb. year: 1996", "productB": "title: pesto : an integrated query/browser for object databases. authors: , v maganty. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: the case for enhanced abstract data types. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1997", "productB": "title: andr . ramakrishnan . the case forenhanced abstract data types. authors: p seshadri , m livny. venue: inproceedings of the23th vldb conference , athens , greece , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: revisiting commit processing in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: sigmod conference. year: 1997", "productB": "title: revisiting commit processing performance in distributed database systems. authors: r gupta , j haritsa , k ramamritham. venue: proc . acm sigmod int &#39; l conf . management of data ,. year: nan", "same": true}
+{"productA": "title: xml and electronic commerce : enabling the network economy. authors: b meltzer , r glushko. venue: sigmod record. year: 1998", "productB": "title: xml and electronic commerce : enabling the network economy. authors: b meltzer , r glushko. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: a novel index supporting high volume data warehouse insertion. authors: c jermaine , a datta , e omiecinski. venue: vldb. year: 1999", "productB": "title: a novel index supporting high volume data warehouse insertion. authors: c jermaine , a datta , e omiecinski. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: sampling-based estimation of the number of distinct values of an attribute. authors: p haas , j naughton , s seshadri , l stokes. venue: vldb. year: 1995", "productB": "title: sampling-based estimation of thenumberofdistinct valuesofanattribute. authors: pj haas , jf naughton , s seshadri , l stokes. venue: inproc . of vldb , pages311322 , zurich , switzerland , september ,. year: nan", "same": true}
+{"productA": "title: implementation and analysis of a parallel collection query language. authors: d suciu. venue: vldb. year: 1996", "productB": "title: implementation and analysis of a parallel collection query language. authors: d suciu. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: a rakesh , j gehrke , d gunopulos\u00e2 ? \u00a6. venue: nan. year: nan", "same": true}
+{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos , k ono. venue: sigmod record. year: 1999", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: j boulos. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: issues in developing very large data warehouses. authors: l do , p drew , w jin , v jumani , d rossum. venue: vldb. year: 1998", "productB": "title: issues in developing very large data warehouses. authors: l do , p drew , w jin , v jumani , d van rossum. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: data management for pervasive computing. authors: m cherniack , m franklin , s zdonik. venue: vldb. year: 2001", "productB": "title: data management for pervasive computing. authors: m cherniack , mj franklin , sb zdonik. venue: & hellip ; international conference on very large data bases table of & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: automatic subspaceclusteringof high dimensionaldatafor data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: nan. year: nan", "same": true}
+{"productA": "title: an algebraic approach to rule analysis in expert database systems. authors: e baralis , j widom. venue: vldb. year: 1994", "productB": "title: an algebraic approach to rule analysis in expert database systems. authors: e baralis , j widom. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , tlh schwarz. venue: res . rep. ceria , u. dauphine ( sept. .. year: nan", "same": true}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: ands . m. sripada , \u00e2 ?? tsql2 language specification , \u00e2 ??. authors: rt snodgrass , i ahn , g ariav , ds batory , j. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: continuous nearest neighbor search. authors: y tao , d papadias , q shen. venue: vldb. year: 2002", "productB": "title: continuous nearest neighbor search. authors: y tao , d papadias , q shen. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: a data mining application : customes retention at the port of singapore authority ( psa ). authors: k ng , h liu , h kwah. venue: sigmod conference. year: 1998", "productB": "title: a data mining application : customer retention at the port of singapore authority ( psa ). authors: ks ng , h liu , hb kwah. venue: nan. year: nan", "same": true}
+{"productA": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge representation meets databases. authors: nan. venue: nan. year: 1997", "productB": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge. authors: f baader , ma jeusfeld , w nutt. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: an algebraic approach to rule analysis in expert database systems. authors: e baralis , j widom. venue: vldb. year: 1994", "productB": "title: an algebraic approach to rule analysis in expert database systems. authors: e bar & s , j widom. venue: nan. year: nan", "same": true}
+{"productA": "title: methodology for development and employment of ontology based knowledge management applications. authors: y sure , s staab , r studer. venue: sigmod record. year: 2002", "productB": "title: methodology for development and employment of ontology based knowledge management applications in. authors: s staab. venue: sigmod record , no ,. year: nan", "same": true}
+{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: s choo , w o'connell , g linderman , h chen , k ganapathi , a biliris , e panagos , d schrader. venue: sigmod conference. year: 1996", "productB": "title: etal. , prospector : a content-based multimedia object server for massively parallel architectures. authors: wo\u00e2 ?? connell , it ieong , d schrader. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: advances in real-time database systems research. authors: a bestavros. venue: sigmod record. year: 1996", "productB": "title: advances in real-time database systems research. authors: sigmod record , 1996. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: on effective multi-dimensional indexing for strings. authors: h jagadish , n koudas , d srivastava. venue: sigmod conference. year: 2000", "productB": "title: on effective multi-dimensional indexing for strings. authors: hv jagadish. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: modeling design versions. authors: r ramakrishnan , d ram. venue: vldb. year: 1996", "productB": "title: modeling design versions. authors: r ramakrishnan , dj ram. venue: proceedings of the 22th international conference on very & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: improved query performance with variant indexes. authors: p o'neil , d quass. venue: sigmod conference. year: 1997", "productB": "title: improved query performance with variant indexes . sigmod intl. conf. authors: p \u00e3?neill , d quass. venue: on management of data , tucson ,. year: nan", "same": true}
+{"productA": "title: querying shapes of histories. authors: r agrawal , g psaila , e wimmers , m za\u044ft. venue: vldb. year: 1995", "productB": "title: za t , m. 1995b . querying shapes of histories. authors: r agrawal , g psaila , el wimmers. venue: proc . of the 21st int &#39; l conference on very large. year: nan", "same": true}
+{"productA": "title: an ultra highly available dbms. authors: s hvasshovd , s bratsberg , \u0438 torbj\u0458rnsen. venue: vldb. year: 2000", "productB": "title: an ultra highly available dbms. authors: so hvasshovd , se bratsberg , o torbjoernsen. venue: nan. year: nan", "same": true}
+{"productA": "title: efficiently supporting ad hoc queries in large datasets of time sequences. authors: f korn , h jagadish , c faloutsos. venue: sigmod conference. year: 1997", "productB": "title: e ciently supporting ad hoc queries in large datasets of time sequences. authors: f korn , hv jagadish , c faloutsos. venue: proc . acm-sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: fact : a learning based web query processing system. authors: s chen , y diao , h lu , z tian. venue: sigmod conference. year: 2000", "productB": "title: fact : a learning based web query processing system. authors: s chen , y diao , h lu , z tian. venue: proceedings of the 2000 acm sigmod international conference & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: smooth - a distributed multimedia database system. authors: h kosch , l b\u0456sz\u0456rm\u0449nyi , a bachlechner , c hanin , c hofbauer , m lang , c riedler , r tusch. venue: vldb. year: 2001", "productB": "title: smooth-a distributed multimedia database system. authors: h kosch , c hanin , c hofbauer , m lang , c riedler , r. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: picodmbs : scaling down database techniques for the smartcard. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb. year: 2000", "productB": "title: picodbms : scaling down database techniques for the smartcard ( best paper award ). authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: int . conf . on very large databases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: dal\u044d : a high performance main memory storage manager. authors: h jagadish , d lieuwen , r rastogi , a silberschatz , s sudarshan. venue: vldb. year: 1994", "productB": "title: a. silberschatz s. sudarshan . dali : a high performance main memory storage manager. authors: hvjdlr rastogi. venue: proceedings of the vldb conference ,. year: nan", "same": true}
+{"productA": "title: a prototype content-based retrieval system that uses virtual images to save space. authors: l brown , l gruenwald. venue: vldb. year: 2001", "productB": "title: a prototype content-based retrieval system that uses virtual images to save space. authors: l brown. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: tribeca : a stream database manager for network traffic analysis. authors: m sullivan. venue: vldb. year: 1996", "productB": "title: tribeca : a stream database manager for network traffic analysis. authors: m sullivan. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: query caching and optimization in distributed mediator systems. authors: s adali , k candan , y papakonstantinou , v subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: papakonstantinou , and vs subrahmanian . query caching and optimization in distributed mediator. authors: sa acps , ks candan. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: viator - a tool family for graphical networking and data view creation. authors: s heymann , k tham , a kilian , g wegner , p rieger , d merkel , j freytag. venue: vldb. year: 2002", "productB": "title: viator - a tool family for graphical networking and data view creation. authors: s heymann , k tham , a kilian , g wegner , p rieger , d. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: databases on the web : technologies for federation architectures and case studies ( tutorial ). authors: r kramer. venue: sigmod conference. year: 1997", "productB": "title: databases on the web : technologies for federation architectures and case studies. authors: r kramer. venue: nan. year: nan", "same": true}
+{"productA": "title: sprint : a scalable parallel classifier for data mining. authors: j shafer , r agrawal , m mehta. venue: vldb. year: 1996", "productB": "title: sprint : a scalable parallel classifier for data mining. authors: cs john , r agrawal , m mehta. venue: proc . 22nd int . conf . very large databases ,. year: nan", "same": true}
+{"productA": "title: i/o reference behavior of production database workloads and the tpc benchmarks - an analysis at the logical level. authors: w hsu , a smith , h young. venue: acm trans . database syst .. year: 2001", "productB": "title: i/o reference behavior of production database workloads and the tpc benchmarks-an analysis at the. authors: ww hsu , aj smith , hc young. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: realm-based spatial data types : the rose algebra [ j ]. authors: r cuting , m schnider. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: dbminer : interactive mining of multiple-level knowledge in relational databases. authors: j han , y fu , w wang , j chiang , o za\u044fane , k koperski. venue: sigmod conference. year: 1996", "productB": "title: dbminer : interactive mining of multiple-level knowledge in relational databases. authors: j han , y fu , w wang , j chiang , k koperski. venue: nan. year: nan", "same": true}
+{"productA": "title: contrast plots and p-sphere trees : space vs. time in nearest neighbour searches. authors: j goldstein , r ramakrishnan. venue: vldb. year: 2000", "productB": "title: contrast plots and p-sphere trees : space vs. time in nn searches. authors: j goldstein , r ramakrishnan. venue: proc . very large data bases conf . ( vldb &#39; 00 ) ,. year: nan", "same": true}
+{"productA": "title: xml-based information mediation with mix. authors: c baru , a gupta , b lud\u0444scher , r marciano , y papakonstantinou , p velikhov , v chu. venue: sigmod conference. year: 1999", "productB": "title: chuv ( 1999 ) xml-based information mediation with mix. authors: ga baruck , mr ludascherb , y papakonstantinou , p. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: the ccube constraint object-oriented database system. authors: a brodsky , v segal , j chen , p exarkhopoulo. venue: sigmod conference. year: 1999", "productB": "title: the ccube constraint object-oriented database. authors: a brodsky , ve segal , j chen , pa exarkhopoulo. venue: proc . acm sigmod conf . on management of. year: nan", "same": true}
+{"productA": "title: world wide database - integrating the web , corba , and databases. authors: a bouguettaya , b benatallah , l hendra , j beard , k smith , m ouzzani. venue: sigmod conference. year: 1999", "productB": "title: world wide database-integrating the web , corba , and databases. authors: a bouguettaya , b benatallah , l hendra , j beard , k. venue: nan. year: nan", "same": true}
+{"productA": "title: towards a theory of cost management for digital libraries and electronic commerce. authors: a sistla , o wolfson , y yesha , r sloan. venue: acm trans . database syst .. year: 1998", "productB": "title: towards a theory of cost management for digital libraries and electronic commerce. authors: ap sistla , o wolfson , y yesha , rh sloan. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: s3 : similarity search in cad database systems. authors: s berchtold , h kriegel. venue: sigmod conference. year: 1997", "productB": "title: s3 : similarity search in cad database systems. authors: hpbs kriegel. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: toward autonomic computing with db2 universal database. authors: s lightstone , g lohman , d zilio. venue: sigmod record. year: 2002", "productB": "title: toward autonomic computing with db2 universal database. authors: d zilio , ibm canada. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a consensus glossary of temporal database concepts. authors: c dyreson. venue: acm sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: to weave the web. authors: p atzeni , g mecca , p merialdo. venue: vldb. year: 1997", "productB": "title: to weave the web . intl. authors: p atzeni , g mecca , p merialdo. venue: conference on very large data bases ( vldb ) ,. year: nan", "same": true}
+{"productA": "title: mining multi-dimensional constrained gradients in data cubes. authors: g dong , j han , j lam , j pei , k wang. venue: vldb. year: 2001", "productB": "title: mining multi-dimensional constrained gradients in data cubes. authors: d guozhu , h jiawei , j lam , p jean , w ke. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996", "productB": "title: andg . hd suciu . aquerylanguageandoptimizationtechniques forunstructured data. authors: p buneman , s davidson. venue: proceedings of acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , y ioannidis , p haas , e shekita. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation of range predicates. authors: v poosala , ej shekita. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: too much middleware. authors: m stonebraker. venue: sigmod record. year: 2002", "productB": "title: too much middleware. authors: m stonebraker. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: wave-indices : indexing evolving databases. authors: n shivakumar , h garcia-molina. venue: sigmod conference. year: 1997", "productB": "title: wave-indices : indexing evolving databases. authors: n shivakumar , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: provisions and obligations in policy management and security applications. authors: c bettini , s jajodia , x wang , d wijesekera. venue: vldb. year: 2002", "productB": "title: provisions and obligations in policy rule management and security applications. authors: c bettini , s jajodia , xs wang , d wijesekera. venue: proceedings of the 28th international conference on very. year: nan", "same": true}
+{"productA": "title: a data model and data structures for moving objects databases. authors: l forlizzi , r g\u045cting , e nardelli , m schneider. venue: sigmod conference. year: 2000", "productB": "title: a data model and data structures for moving objects databases. authors: e nardelli , m schneider , l forlizzi , rh g\u00e3 1/4 ting. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look. authors: nan. venue: nan. year: 2002", "productB": "title: andr . rastogi . querying and mining data streams : you only get one look. authors: m garofalakis , j gehrke. venue: proceedingsof acm sigmod ,. year: nan", "same": true}
+{"productA": "title: query processing for high-volume xml message brokering. authors: y diao , m franklin. venue: vldb. year: 2003", "productB": "title: query processing for high-volume xml message brokering. authors: y diao , m franklin. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: sampling large databases for association rules. authors: h toivonen. venue: vldb. year: 1996", "productB": "title: sample large databases for association rules. authors: h toivonen. venue: proceedings of the 22nd international conference on very. year: nan", "same": true}
+{"productA": "title: tutorial : application servers and associated technologies. authors: nan. venue: nan. year: 2002", "productB": "title: tutorial : application servers and associated technologies. authors: c mohan. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k b\u0456hm , k aberer , e neuhold , x yang. venue: vldb j.. year: 1997", "productB": "title: structured document storage and refined declarative and navigational access mechanisms in hyperstorm. authors: k b\u00e3 \u00b6 hm , k aberer , ej neuhold , x yang. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb. year: 1999", "productB": "title: probabilistic optimization of top n queries. authors: d donjerkovic , r ramakrishnan. venue: vldb ,. year: 1999.0", "same": true}
+{"productA": "title: tree pattern aggregation for scalable xml data dissemination. authors: c chan , w fan , p felber , m garofalakis , r rastogi. venue: vldb. year: 2002", "productB": "title: tree pattern aggregation for scalable xml data dissemination. authors: cy chan , w fan , p felber , mn garofalakis , r. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: metu object-oriented dbms. authors: a dogac , i arpinar , c evrendilek , c ozkan , i altintas , i durusoy , m altinel , t okay , y saygin. venue: sigmod conference. year: 1994", "productB": "title: metu object-oriented database system , demo description. authors: a dogac. venue: proceedings of acm sigmod intl. conf . on management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: partial results for online query processing. authors: v raman , j hellerstein. venue: sigmod conference. year: 2002", "productB": "title: partial results for online query processing. authors: r vijayshankar. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: managing a db2 parallel edition database. authors: g fecteau. venue: vldb. year: 1995", "productB": "title: managing a db2 parallel edition database. authors: g fe & au , n york , c ontario. venue: nan. year: nan", "same": true}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database engine ( pp. 442\u00e2 ?? 453 ). authors: k sagonas , t swift , d warren. venue: proceedings of the 1994 acm sigmod , international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: new sampling-based summary statistics for improving approximate query answers. authors: p gibbons , y matias. venue: sigmod conference. year: 1998", "productB": "title: new sampling-based summary statistics for improving approximate query processing. authors: pb gibbons , y matias. venue: proceeding of acm sigmod conference , seattle , wa , usa , june ,. year: nan", "same": true}
+{"productA": "title: rainbow : multi-xquery optimization using materialized xml views. authors: x zhang , k dimitrova , l wang , m el-sayed , b murphy , b pielech , m mulchandani , l ding , e rundensteiner. venue: sigmod conference. year: 2003", "productB": "title: rainbowii : multi-xquery optimization using materialized xml views. authors: x zhang. venue: nan. year: nan", "same": true}
+{"productA": "title: chain : operator scheduling for memory minimization in data stream systems. authors: b babcock , s babu , m datar , r motwani. venue: sigmod conference. year: 2003", "productB": "title: chain : operator scheduling for memory minimization in stream systems. authors: b brian , b shivnath , d mayur , m rajeev. venue: proceedings , international conference on management of data & hellip ; ,. year: nan", "same": true}
+{"productA": "title: generating efficient plans for queries using views. authors: f afrati , c li , j ullman. venue: sigmod conference. year: 2001", "productB": "title: pages generating efficient plans for queries using views. authors: fn afrati , c li , jd ullman. venue: proceedings of the 2001 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m jones , p marr\u0453n. venue: sigmod conference. year: 1996", "productB": "title: p. marron the multiview project : object-oriented view technology and applications. authors: e rundensteiner , h kuno , y ra , v crestana-taube , m. venue: proc . of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: copy detection mechanisms for digital documents. authors: s brin , j davis , h garcia-molina. venue: sigmod conference. year: 1995", "productB": "title: scam : a copy detection mechanism for digital documents. authors: n shivakumar , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: optimization algorithms for exploiting the parallelism-communication tradeoff in pipelined parallelism. authors: w hasan , r motwani. venue: vldb. year: 1994", "productB": "title: optimization algorithms for exploiting the parallelism-communication tradeoff in pipelined. authors: w hasan , r motwani. venue: proceedings of the international conference on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: autoadmin ` what-if ' index analysis utility. authors: s chaudhuri , v narasayya. venue: sigmod conference. year: 1998", "productB": "title: autoadmin ` what-if ` index analysis utility. authors: s chaudhuri , v narasayya. venue: nan. year: nan", "same": true}
+{"productA": "title: nexusscout : an advanced location-based application on a distributed , open mediation platform. authors: d nicklas , m gro\u043fmann , t schwarz. venue: vldb. year: 2003", "productB": "title: nexusscout : an advanced location-based application on a distributed , open mediation platform. authors: d nicklas , m grossmann , t schwarz. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: query processing and optimization in oracle rdb. authors: g antoshenkov , m ziauddin. venue: vldb j.. year: 1996", "productB": "title: query processing and optimization in rdb. authors: g antoshnekov , m ziauddin. venue: vldb journal ,. year: nan", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: an overview of data warehousing and olap technology. authors: sc cd971 , u dayal. venue: sigmod record , vol26 ( 1 ) ,. year: nan", "same": true}
+{"productA": "title: enterprise information architectures -- they 're finally changing. authors: w melling. venue: sigmod conference. year: 1994", "productB": "title: enterprise information architectures -- they 're finally changing. authors: wp melling. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: v josifovski , t risch. venue: vldb. year: 1999", "productB": "title: integrating heterogeneous overlapping databases through object-oriented transformations. authors: v josifovski , t risch. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: building a scaleable geo-spatial dbms : technology , implementation , and evaluation. authors: j patel , j yu , n kabra , k tufte , b nag , j burger , n hall , k ramasamy , r lueder , c ellmann , j kupsch , s guo , d dewitt , j naughton. venue: sigmod conference. year: 1997", "productB": "title: building a scaleable geo-spatial dbms : technology , implementation , and evaluation. authors: j patel , jb yu , n kabra , k tufte , b nag , j burger ,. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record. year: 1997", "productB": "title: an overview of data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: metu interoperable database system. authors: a dogac , u halici , e kilic , g \u0436zhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek. venue: sigmod conference. year: 1996", "productB": "title: metu interoperable database system. authors: a dogac , e kilic , g ozhan , f ozcan , s nural , b. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: j bercken , b blohsfeld , j dittrich , j kr\u0444mer , t sch\u0444fer , m schneider , b seeger. venue: vldb. year: 2001", "productB": "title: xxl-a library approach to supporting e cient implementations of advanced database queries. authors: j van den bercken , b blohsfeld , jp dittrich , j. venue: proc . of the vldb , seiten ,. year: nan", "same": true}
+{"productA": "title: query optimization for xml. authors: j mchugh , j widom. venue: vldb. year: 1999", "productB": "title: queryoptimization forxml. authors: j mchugh , j widom. venue: & hellip ; vldb conference , morgan-kaufmann ,. year: nan", "same": true}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: aseos navathe. venue: nan. year: nan", "same": true}
+{"productA": "title: sql query optimization : reordering for a general class of queries. authors: p goel , b iyer. venue: sigmod conference. year: 1996", "productB": "title: sql query optimization : reordering for a general class of queries. authors: p goel , b iyer. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: sting : a statistical information grid approach to spatial data mining. authors: w wang , j yang , r muntz. venue: vldb. year: 1997", "productB": "title: j. , and muntz , rr 1997 . sting : a statistical information grid approach to spatial data mining. authors: wy wang. venue: proc . int . conf . very large databases. year: nan", "same": true}
+{"productA": "title: snowball : a prototype system for extracting relations from large text collections. authors: e agichtein , l gravano , j pavel , v sokolova , a voskoboynik. venue: sigmod conference. year: 2001", "productB": "title: snowball : extracting relations from large plain-text collections. authors: e agichtein , l gravano. venue: nan. year: nan", "same": true}
+{"productA": "title: journal relevance. authors: r snodgrass. venue: sigmod record. year: 2003", "productB": "title: journal relevance. authors: r snodgrass. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: a practical and modular implementation of extended transaction models. authors: r barga , c pu. venue: vldb. year: 1995", "productB": "title: a practical and modular method to implement extended transaction models . 21 stvldb. authors: r barga , c pu. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: an anonymous electronic commerce scheme with an off-line authority and untrusted agents. authors: j domingo-ferrer , j herrera-joancomart\u044d. venue: sigmod record. year: 1998", "productB": "title: an anonymous electronic commerce scheme with an off-line authority and untrusted agents. authors: j domingo-ferrer , j herrera-joancomarti. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: in-memory data management for consumer transactions the times-ten approach. authors: t team. venue: sigmod conference. year: 1999", "productB": "title: in-memorydata management for consumer transactions the times-ten approach. authors: t times-ten team. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: multi-step processing of spatial joins. authors: t brinkhoff , h kriegel , r schneider , b seeger. venue: sigmod conference. year: 1994", "productB": "title: h.-p. , kriegel , r. schneuder , and b. seeger , \u00e2 ?? multi-step processing of spatial joins , \u00e2 ??. authors: t brinkhoff. venue: proc . int\u00e2 ?? l conf on management of. year: nan", "same": true}
+{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: sigmod conference. year: 1998", "productB": "title: integrating association rule mining with databases : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: acm sigmod intl. conf . management of data ,. year: nan", "same": true}
+{"productA": "title: synchronizing a database to improve freshness. authors: j cho , h garcia-molina. venue: sigmod conference. year: 2000", "productB": "title: synchronizing a database to improve freshness. authors: j cho , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: magic conditions. authors: i mumick , s finkelstein , h pirahesh , r ramakrishnan. venue: acm trans . database syst .. year: 1996", "productB": "title: magic conditions. authors: is mumick , sj finkelstein , h pirahesh , r. venue: acm transactions on database systems ( tods ) ,. year: 1996.0", "same": true}
+{"productA": "title: are quorums an alternative for data replication ?. authors: r jim\u0449nez-peris , m pati\u0451o-mart\u044dnez , g alonso , b kemme. venue: acm trans . database syst .. year: 2003", "productB": "title: are quorums an alternative for data replication ?. authors: r jimenez-peris , m patino-martinez , g alonso , b. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: data-driven understanding and refinement of schema mappings. authors: l yan , r miller , l haas , r fagin. venue: sigmod conference. year: 2001", "productB": "title: r. : \u00e2 ?? data-driven understanding and refinement of schema mappings\u00e2 ??. authors: lm yang , r haas , l fagin. venue: proc . acm sigmod conf . santa barbara , usa ,. year: nan", "same": true}
+{"productA": "title: efficacious data cube exploration by semantic summarization and compression. authors: l lakshmanan , j pei , y zhao. venue: vldb. year: 2003", "productB": "title: efficacious data cube exploration by semantic summarization and compression. authors: lvs lakshmanan , j pei , y zhao. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: l zeng , b benatallah , p nguyen , a ngu. venue: vldb. year: 2001", "productB": "title: agflow : agent-based cross-enterprise workflow management system. authors: l zeng , b benatallah , p nguyen , ahh ngu. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record. year: 1997", "productB": "title: the database and information system research group at the university of ulm. authors: p dadam , w klas. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: combining histograms and parametric curve fitting for feedback-driven query result-size estimation. authors: a k\u0456nig , g weikum. venue: vldb. year: 1999", "productB": "title: combining histograms and parametric curve fitting for feedback-driven query result-size estimation. authors: a konig , g weikum. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization with user-defined predicates. authors: s chaudhuri , k shim. venue: proceedings of the 22nd international conference on very & hellip ; ,. year: nan", "same": true}
+{"productA": "title: optimization of queries with user-defined predicates. authors: s chaudhuri , k shim. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization ofqueries with user-defined predicates. authors: s chaudhuri , k shim. venue: proc . ofthe conf . on very large data bases. year: nan", "same": true}
+{"productA": "title: answering xml queries on heterogeneous data sources. authors: i manolescu , d florescu , d kossmann. venue: vldb. year: 2001", "productB": "title: answering xml queries over heterogeneous data sources , w : proc . of the 27 thinternational conference. authors: i manolescu , d florescu , d kossmann. venue: roma , italy. year: nan", "same": true}
+{"productA": "title: the oodb path-method generator ( pmg ) using access weights and precomputed access relevance. authors: a mehta , j geller , y perl , e neuhold. venue: vldb j.. year: 1998", "productB": "title: the oodb path-method generator ( pmg ) using access weights and precomputed access relevance. authors: a mehta , j geller , y perl , e neuhold. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: integrating and customizing heterogeneous e-commerce applications. authors: a eyal , t milo. venue: vldb j.. year: 2001", "productB": "title: integrating and customizing heterogeneous e-commerce applications. authors: a eyal , t milo. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: the ecrc multi database system. authors: w jonker , h sch\u045ctz. venue: sigmod conference. year: 1995", "productB": "title: the ecrc multi database system. authors: w jonker , h sch\u00e3 1/4 tz. venue: proceedings of the 1995 acm sigmod international conference & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: inverted files versus signature files for text indexing. authors: j zobel , a moffat , k ramamohanarao. venue: acm trans . database syst .. year: 1998", "productB": "title: inverted files versus signature files for text indexing. authors: j zobel , a moffat , k ramamohanarao. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: efficient index structures for string databases. authors: t kahveci , a singh. venue: vldb. year: 2001", "productB": "title: an efficient structure for string databases. authors: t kahveci , ak singh. venue: vldb , rome , september ,. year: nan", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: a fondationfor multidimensional databases. authors: m gyssens , l lakshmanan. venue: proceedings of the 23rd vldb. year: nan", "same": true}
+{"productA": "title: warping indexes with envelope transforms for query by humming. authors: y zhu , d shasha. venue: sigmod conference. year: 2003", "productB": "title: warping indexes with envelope transforms for query-by-humming systems. authors: y zhu , d sasha. venue: proceedings of acm sigmod. year: nan", "same": true}
+{"productA": "title: query execution techniques for caching expensive methods. authors: j hellerstein , j naughton. venue: sigmod conference. year: 1996", "productB": "title: query execution techniques forcaching expensive methods. authors: jm hellerstein , j naughton. venue: proc . of the acm sigmod intl. conferenceon managementof. year: nan", "same": true}
+{"productA": "title: clustering methods for large databases : from the past to the future. authors: a hinneburg , d keim. venue: sigmod conference. year: 1999", "productB": "title: clustering methods for large databases : from the past to the future. authors: a hinneburg , da keim. venue: sigmod conference ,. year: 1999.0", "same": true}
+{"productA": "title: real-time index concurrency control. authors: j haritsa , s seshadri. venue: sigmod record. year: 1996", "productB": "title: reai-time index concurrency control. authors: jr haritsa. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: realm-based spatial data types : the rose algebra. authors: r g\u045cting , m schneider. venue: vldb j.. year: 1995", "productB": "title: realm-based spatial data types : the rose algebra . fernuniversit\u00e3 $ t hagen , report 141 , 1993 , to. authors: rh g\u00e3 1/4 ting , m schneider. venue: vldb. year: nan", "same": true}
+{"productA": "title: semantic compression and pattern extraction with fascicles. authors: h jagadish , j madar , r ng. venue: vldb. year: 1999", "productB": "title: jasonmadar , and raymond ng . semantic compression and pattern extraction with fascicles. authors: hv jagadish. venue: & hellip ; of the25th international conference onverylarge. year: nan", "same": true}
+{"productA": "title: applying data mining techniques to a health insurance information system. authors: m viveros , j nearhos , m rothman. venue: vldb. year: 1996", "productB": "title: apply data mining techniques to a health insurance information system. authors: m viveros , j nerahos , m rothman. venue: nan. year: nan", "same": true}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb. year: 2000", "productB": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: vldb. year: 1995", "productB": "title: an effective algorithm for mining association rules in large databases. authors: a savasere , e omiecinski , s navathe. venue: proceedings of 21st international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: data in your face : push technology in perspective. authors: m franklin , s zdonik. venue: sigmod conference. year: 1998", "productB": "title: data in your face : push technology in perspective. authors: m franklin , s zdonik. venue: nan. year: nan", "same": true}
+{"productA": "title: serfing the web : web site management made easy. authors: e rundensteiner , k claypool , l chen , h su , k oenoki. venue: sigmod conference. year: 2000", "productB": "title: serfing the web : web site management made easy. authors: ea rundensteiner , kt claypool , l chen , h su , k. venue: nan. year: nan", "same": true}
+{"productA": "title: fast subsequence matching in time-series databases. authors: c faloutsos , m ranganathan , y manolopoulos. venue: sigmod conference. year: 1994", "productB": "title: fast subsequence matching in time-series database. authors: cfm ranganathan , y manolopoulos. venue: proc . acm sigmod int\u00e2 ?? l conf management of data , & hellip ; ,. year: nan", "same": true}
+{"productA": "title: agora : living with xml and relational. authors: i manolescu , d florescu , d kossmann , f xhumari , d olteanu. venue: vldb. year: 2000", "productB": "title: agora : living with xml and relational. authors: i manolescu , d florescu , d kossmann , f xhumari , d. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: i/o reference behavior of production database workloads and the tpc benchmarks - an analysis at the logical level. authors: w hsu , a smith , h young. venue: acm trans . database syst .. year: 2001", "productB": "title: i/o reference behavior of production database workloads and the tpc. authors: ww hsu , aj smith , hc young. venue: nan. year: 1999.0", "same": true}
+{"productA": "title: the mentor workbench for enterprise-wide workflow management. authors: d wodtke , j wei\u043fenfels , g weikum , a dittrich , p muth. venue: sigmod conference. year: 1997", "productB": "title: the mentor workbench for enterprise-wide workflow management .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: the dangers of replication and a solution. authors: j gray , p helland , p o'neil , d shasha. venue: sigmod conference. year: 1996", "productB": "title: p. o'neil , and d. shasha , \u00e2 ?? the dangers of replications and a solution , \u00e2 ??. authors: j gray , p helland. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: value-cognizant speculative concurrency control. authors: a bestavros , s braoudakis. venue: vldb. year: 1995", "productB": "title: value-cognizant speculative concurrency control for real-time databases. authors: a bestavros , s braoudakis. venue: information systems ,. year: 1996.0", "same": true}
+{"productA": "title: a foundation for representing and quering moving objects. authors: r g\u045cting , m b\u0456hlen , m erwig , c jensen , n lorentzos , m schneider , m vazirgiannis. venue: acm trans . database syst .. year: 2000", "productB": "title: a foundation for representing and queirying moving objects. authors: c jensen , mh b\u00e3 \u00b6 hlen , m erwig , m schneider , m. venue: acm transactions on database systems ( tods ) ,. year: nan", "same": true}
+{"productA": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record. year: 1994", "productB": "title: text databases : a survey of text models and systems . acm sigmod conference. authors: a loeen. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: answering complex sql queries using automatic summary tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh , m urata. venue: sigmod conference. year: 2000", "productB": "title: answering complex sql queries using automatic tables. authors: m zaharioudakis , r cochrane , g lapis , h pirahesh ,. venue: nan. year: nan", "same": true}
+{"productA": "title: robust and efficient fuzzy match for online data cleaning. authors: s chaudhuri , k ganjam , v ganti , r motwani. venue: sigmod conference. year: 2003", "productB": "title: robust and efficient fuzzy match for online data cleaning. authors: v ganti , s chaudhuri , r motwani. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: algorithms for querying by spatial structure. authors: d papadias , n mamoulis , v delis. venue: vldb. year: 1998", "productB": "title: algorithms for querying by spatial structure. authors: d papadias , n mamoulis , v delis. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: mining fuzzy association rules in databases. authors: c kuok , a fu , m wong. venue: sigmod record. year: 1998", "productB": "title: wong . m , \u00e2 ?? mining fuzzy association rules in databases , \u00e2 ??. authors: c kuok , a fu. venue: sigmod record-quarterly publication of thespecial interest & hellip ; ,. year: nan", "same": true}
+{"productA": "title: gigascope : high performance network monitoring with an sql interface. authors: c cranor , y gao , t johnson , v shkapenyuk , o spatscheck. venue: sigmod conference. year: 2002", "productB": "title: gigascope : high performance network monitoring with an sql interface. authors: c cranor , y gao , t johnson , v shkapenyuk , o. venue: proc . of the 2002 acm sigmod intl. conf . on management of. year: nan", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: k. , garcia-molina , h. , and paepcke , a. ( 1997 ) . starts : stanford proposal for internet metasearching. authors: l gravano , cc chang. venue: acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining quantitative association rules in large relational tables. authors: r agrawal , r srikant. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: composing mappings among data sources. authors: j madhavan , a halevy. venue: vldb. year: 2003", "productB": "title: composing mappings among data sources. authors: j madhavan , ay halevy. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: andez , and d. suciu . storing semistructured data with stored. authors: a deutsch , m fern. venue: & hellip ; of the acm sigmod international conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: using metadata for the intelligent browsing of structured media objects. authors: w grosky , f fotouhi , i sethi. venue: sigmod record. year: 1994", "productB": "title: using metadata for the intelligent browsing of structured media objects , managing multimedia data :. authors: wi grosky , f fotouhi , z jiang. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , k chang , h garcia-molina , a paepcke. venue: sigmod conference. year: 1997", "productB": "title: starts : stanford proposal for internet meta-searching ( experience paper ). authors: l gravano , kcc chang , h garcia-molina , a paepcke. venue: sigmod conference ,. year: nan", "same": true}
+{"productA": "title: innovation in database management : computer science vs. engineering. authors: k jacobs. venue: vldb. year: 1997", "productB": "title: innovation in database management : computer science vs. engineering. authors: kr jacobs. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: commercial use of database technology. authors: h sch\u0456ning. venue: vldb. year: 2003", "productB": "title: commercial use of database technology. authors: h schoening. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: a new sql-like operator for mining association rules. authors: r meo , g psaila , s ceri. venue: vldb. year: 1996", "productB": "title: a new sql-like operator for mining association rules. authors: s ceri , r meo , g psaila. venue: proc . of the 22nd int\u00e2 ?? l conference on very large data. year: nan", "same": true}
+{"productA": "title: extracting structured data from web pages. authors: a arasu , h garcia-molina. venue: sigmod conference. year: 2003", "productB": "title: stanford university , extracting structured data from web pages. authors: a arasu , h garcia-molina. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: lockx : a system for efficiently querying secure xml. authors: s cho , s amer-yahia , l lakshmanan , d srivastava. venue: sigmod conference. year: 2003", "productB": "title: lockx : a system for efficiently querying secure xml .. authors: sr cho , s amer-yahia , lvs lakshmanan , d srivastava. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: internet traffic warehouse. authors: c chen , m cochinwala , c petrone , m pucci , s samtani , p santa , m mesiti. venue: sigmod conference. year: 2000", "productB": "title: internet traffic warehouse. authors: cm chen , m cochinwala , c petrone , m pucci , s. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: flowback : providing backward recovery for workflow systems. authors: b kiepuszewski , r m\u045chlberger , m orlowska. venue: sigmod conference. year: 1998", "productB": "title: flowback : providing backward recovery for workflow management systems , distributed systems. authors: b kiepuszewski , r muhlberger , m orlowska. venue: technical report , dstc-tr-9840 , 1998 , http://www . dstc . edu . au /. year: nan", "same": true}
+{"productA": "title: a multi-similarity algebra. authors: s adali , p bonatti , m sapino , v subrahmanian. venue: sigmod conference. year: 1998", "productB": "title: andv . s. subrahmanian . a multi-similarity algebra. authors: s adal , p bonati , ml sapino. venue: proc . of 1998 sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: a comprehensive xquery to sql translation using dynamic interval encoding. authors: d dehaan , d toman , m consens , m \u0436zsu. venue: sigmod conference. year: 2003", "productB": "title: a comprehensive xquery to sql translation using dynamic interval encoding , sigmod 2003. authors: d dehaan\u00e2 ? \u00a6. venue: to. year: nan", "same": true}
+{"productA": "title: replication : db2 , oracle , or sybase ?. authors: d stacey. venue: sigmod record. year: 1995", "productB": "title: replication : db2 , oracle , or sybase. authors: d stacey. venue: acm sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: an evaluation of generic bulk loading techniques. authors: j bercken , b seeger. venue: vldb. year: 2001", "productB": "title: b. seeger an evaluation of generic bulk loading techniques. authors: j van den bercken. venue: proceedings of. year: nan", "same": true}
+{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: s choo , w o'connell , g linderman , h chen , k ganapathi , a biliris , e panagos , d schrader. venue: sigmod conference. year: 1996", "productB": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: g au , a biliris , h chen , s choo , k ganapathy , g. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: report on the 24th european colloquium on information retrieval research. authors: nan. venue: nan. year: 2002", "productB": "title: report on the 24th european colloquium on information retrieval research ( ecir 2002 ). authors: f crestani , m girolami , k van rijsbergen. venue: nan. year: nan", "same": true}
+{"productA": "title: using schematically heterogeneous structures. authors: r miller. venue: sigmod conference. year: 1998", "productB": "title: using schematically heterogenous structures. authors: rj miller. venue: lm haas , a. tiwari , acm sigmod int . conference on management & hellip ; ,. year: nan", "same": true}
+{"productA": "title: content integration for e-business. authors: m stonebraker , j hellerstein. venue: sigmod conference. year: 2001", "productB": "title: content integration for e-commerce. authors: m stonebraker , jm hellerstein. venue: proc . of the 2001 acm sigmod intl. conf . on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: aries/csa : a method for database recovery in client-server architectures. authors: c mohan , i narang. venue: sigmod conference. year: 1994", "productB": "title: aries/csa : a method for database recovery in client-server architectures. authors: c mohan , i narang. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: on the issue of valid time ( s ) in temporal databases. authors: s kokkotos , e ioannidis , t panayiotopoulos , c spyropoulos. venue: sigmod record. year: 1995", "productB": "title: on the issue of valid time ( s ) in temporal databases. authors: s kokkotos , ev ioannidis , t panayiotopoulos , cd. venue: sigmod record ,. year: 1995.0", "same": true}
+{"productA": "title: cache portal : technology for accelerating database-driven e-commerce web sites. authors: w li , k candan , w hsiung , o po , d agrawal , q luo , w huang , y akca , c yilmaz. venue: vldb. year: 2001", "productB": "title: cache portal : technology for accelerating database-driven e-commerce web sites. authors: ws li , ks candan , wp hsiung , o po , d agrawal , q. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: predator : an or-dbms with enhanced data types. authors: p seshadri , m paskin. venue: sigmod conference. year: 1997", "productB": "title: predator : an or-dbms with enhanced data types. authors: psm paskin. venue: proc . of acm sigmod ,. year: 1997.0", "same": true}
+{"productA": "title: open gis and on-line environmental libraries. authors: k gardels. venue: sigmod record. year: 1997", "productB": "title: open gis and on-line environmental libraries. authors: k gardels. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: do n't scrap it , wrap it ! a wrapper architecture for legacy data sources. authors: m roth , p schwarz. venue: vldb. year: 1997", "productB": "title: don\u00e2 ?? t scrap it , wrap it ! a wrapper architecture for legacy sources. authors: mt roth , p schwarz. venue: proceedings of vldb conference ,. year: nan", "same": true}
+{"productA": "title: hierarchical prefix cubes for range-sum queries. authors: c chan , y ioannidis. venue: vldb. year: 1999", "productB": "title: hierarchical prefix cubes for range-sum queries. authors: cy chan , ye ioannidis. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: k wu , p yu , j chung , j teng. venue: vldb. year: 1995", "productB": "title: workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: kl wu , ps yu , jy chung , jz teng. venue: distributed and parallel databases ,. year: 2000.0", "same": true}
+{"productA": "title: dissemination of dynamic data. authors: p deolasee , a katkar , a panchbudhe , k ramamritham , p shenoy. venue: sigmod conference. year: 2001", "productB": "title: dissemination of dynamic data. authors: p deolasee , a katkar , a panchbudhe , k ramamritham ,. venue: proceedings of the acm sigmod international conference on. year: nan", "same": true}
+{"productA": "title: the national medical knowledge bank. authors: w sterling. venue: vldb. year: 1998", "productB": "title: the national medical knowledge bank. authors: w sterling. venue: proceedings of the international conference on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j tygar. venue: vldb. year: 1998", "productB": "title: atomicity versus anonymity : distributed transaction for electronic commerce ( invited talks ) [ c i. in :. authors: jd tygar. venue: proceedings of the 24th annual international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: selectivity estimation without the attribute value independence assumption. authors: v poosala , y ioannidis. venue: vldb. year: 1997", "productB": "title: selectivity estimation without the attribute value independence assumption. authors: vp pi971 , y ioannidis. venue: proc . very large data bases ,. year: nan", "same": true}
+{"productA": "title: hyperqueries : dynamic distributed query processing on the internet. authors: a kemper , c wiesner. venue: vldb. year: 2001", "productB": "title: hyperqueries : dynamic distributed query processing on the internet. authors: a kemper , c wiesner. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: adam : a testbed for exploring the use of data mining in intrusion detection. authors: d barbar\u0441 , j couto , s jajodia , n wu. venue: sigmod record. year: 2001", "productB": "title: adam : a testbed for exploring the use of data mining in intrusion detection. authors: dbjc t sushil , jn wu. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: building database-driven electronic catalogs. authors: s danish. venue: sigmod record. year: 1998", "productB": "title: building database-driven web catalogs. authors: s danish , p gannon. venue: nan. year: nan", "same": true}
+{"productA": "title: quotient cube : how to summarize the semantics of a data cube. authors: l lakshmanan , j pei , j han. venue: vldb. year: 2002", "productB": "title: quotient cube : how to summarize the semantics of a data cubefast. authors: l lakshmanan , j pei , j han. venue: proceedings of 28th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: optics : ordering points to identify the clustering structure. authors: m ankerst , m breunig , h kriegel , j sander. venue: sigmod conference. year: 1999", "productB": "title: optics : ordering points to identify the cluster structure. authors: m ankerst , m breunig , hp kriegel , j sander. venue: proc . 1999 acm-sigmod int . conf . management of. year: nan", "same": true}
+{"productA": "title: atlas : a small but complete sql extension for data mining and data streams. authors: h wang , c zaniolo , c luo. venue: vldb. year: 2003", "productB": "title: atlas : a small but complete sql extension for data mining and data streams. authors: h wang , c zaniolo , cr luo. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: filter trees for managing spatial data over a range of size granularities. authors: k sevcik , n koudas. venue: vldb. year: 1996", "productB": "title: filter trees for managing spatial data over a range of size granularities. authors: kc sevcik , n koudas. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: the new locking , logging , and recovery architecture of microsoft sql server 7.0. authors: d campbell. venue: vldb. year: 1999", "productB": "title: the new locking , logging , and recovery architecture of microsoft sql server 7.0. authors: d campbell. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: cure : an efficient clustering algorithm for large data databases. authors: s guha , r rastogi , k shim. venue: proc . of the acm sigmod ,. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look a tutorial. authors: nan. venue: nan. year: 2002", "productB": "title: query and mining data streams : you only get one look. authors: m garofalakis , j gehrke , r rastogi. venue: nan. year: nan", "same": true}
+{"productA": "title: a raster approximation for processing of spatial joins. authors: g zimbrao , j souza. venue: vldb. year: 1998", "productB": "title: a raster approximation for processing of spatial joins. authors: g zimbrao. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: xsb as a deductive database. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database system. authors: k sagonas , t swift , ds warren. venue: acm sigmod symposium on management of data ,. year: nan", "same": true}
+{"productA": "title: ajax : an extensible data cleaning tool. authors: h galhardas , d florescu , d shasha , e simon. venue: sigmod conference. year: 2000", "productB": "title: simon , e. : \u00e2 ?? ajax : an extensible data cleaning tool\u00e2 ??. authors: h galardas , d florescu , d shasha. venue: & hellip ; 2000 acm int . conf . on management of data ( sigmod &#39; 00 ) , usa ,. year: nan", "same": true}
+{"productA": "title: join synopses for approximate query answering. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: join synopses for improving approximate query answers. authors: s acharya , p gibbons , v poosala , s ramaswarmy. venue: proc . of acm sigmod conf ,. year: nan", "same": true}
+{"productA": "title: aggregate-query processing in data warehousing environments. authors: a gupta , v harinarayan , d quass. venue: vldb. year: 1995", "productB": "title: aggregate-query processing in data warehousing environments. authors: ag ghqw , v harinarayan , d quass. venue: proc . of the 21st vldb co @ , zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: answering queries using views : a survey. authors: a halevy. venue: vldb j.. year: 2001", "productB": "title: answering queries using views : a survey , 2000. authors: ay levy. venue: nan. year: nan", "same": true}
+{"productA": "title: searching on the secondary structure of protein sequences. authors: l hammel , j patel. venue: vldb. year: 2002", "productB": "title: searching on the secondary structure of protein sequences. authors: l hammel , jm patel. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: query flocks : a generalization of association-rule mining. authors: s tsur , j ullman , s abiteboul , c clifton , r motwani , s nestorov , a rosenthal. venue: sigmod conference. year: 1998", "productB": "title: query flocks : a generalization of association-rule mining. authors: s abitboul , c clifton , r motwani , s nestorov , d. venue: & hellip ; of the acm international conference on management of data (. year: nan", "same": true}
+{"productA": "title: database issues in telecommunications network management. authors: i ahn. venue: sigmod conference. year: 1994", "productB": "title: sigmod challenges paper : database issues in telecommunications network management. authors: i ahn. venue: proceedings of the 1994 acm sigmod international conference & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: sonar : system for optimized numeric associationrules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: sigmod conference. year: 1996", "productB": "title: system for optimized numeric association rules. authors: t fukuda , y morimoto , s morishita , t tokuyama. venue: proceedings of the 1996 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: automated resolution of semantic heterogeneity in multidatabases. authors: m bright , a hurson , s pakzad. venue: acm trans . database syst .. year: 1994", "productB": "title: automated resolution of semantic heterogeneity in multi-databases. authors: ar huroson , s pakzad. venue: acm transactions on database systems ,. year: nan", "same": true}
+{"productA": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi , t topaloglou. venue: vldb j.. year: 1996", "productB": "title: building knowledge base management systems. authors: j mylopoulos , v chaudhri , d plexousakis , a shrufi ,. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: generating efficient plans for queries using views. authors: f afrati , c li , j ullman. venue: sigmod conference. year: 2001", "productB": "title: generating efficient plans for queries using views. authors: fn afrati , c li , jd ullman. venue: nan. year: nan", "same": true}
+{"productA": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise ( demo abstract ) : integrated querying and visual exploration of large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d. venue: proceedings of the 1997 acm sigmod international conference & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: incremental data structures and algorithms for dynamic query interfaces. authors: e tanin , r beigel , b shneiderman. venue: sigmod record. year: 1996", "productB": "title: incremental data structures and algorithms for dynamic query interfaces. authors: etrbb shneiderman. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: the oracle warehouse. authors: g hallmark. venue: vldb. year: 1995", "productB": "title: the oracle warehouse. authors: g hallmark. venue: proceedings of the 21th international conference on very & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: sigmod conference. year: 1998", "productB": "title: integrating mining with relational database systems : alternativesandimplications. authors: s sarawagi , s thomas , r agrawal. venue: inacm sigmod international conference on management of data & hellip ; ,. year: nan", "same": true}
+{"productA": "title: report on dart ' 96 : databases : active and real-time ( concepts meet practice ). authors: nan. venue: nan. year: 1997", "productB": "title: report on dart ' 96 : databases : active and real-time ( concepts meet practice ). authors: k ramamritham , n soparkar. venue: sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: 1997", "productB": "title: describing and using query capabilities of heterogeneous sources ( extended version ). authors: v vassalos , y papakonstantinou. venue: nan. year: 1997.0", "same": true}
+{"productA": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: c yeung , s hung , k lam. venue: sigmod record. year: 1994", "productB": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: c yeung , s hung , k lam. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: databases and visualization. authors: d keim. venue: sigmod conference. year: 1996", "productB": "title: databases and visualization. authors: da keim. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: 1997", "productB": "title: describing and using the query capabilities of heterogenous sources. authors: v vassalos , y papakonstantinou. venue: vldb. year: nan", "same": true}
+{"productA": "title: spatial joins using seeded trees. authors: m lo , c ravishankar. venue: sigmod conference. year: 1994", "productB": "title: 1994 . spatial joins using seeded trees. authors: m lo , c ravishankar. venue: proc . acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: user-oriented smart-cache for the web : what you seek is what you get !. authors: z lacroix , a sahuguet , r chandrasekar. venue: sigmod conference. year: 1998", "productB": "title: user-oriented smart-cache for the web : what you seek is what you get ! - group of 4 & raquo ;. authors: z lacroix , a sahuguet , r chandrasekar. venue: proceedings of the 1998 acm sigmod international conference & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: the nimble integration engine. authors: d draper , a halevy , d weld. venue: sigmod conference. year: 2001", "productB": "title: the nimble integration engine tm. authors: d draper , ay halevy , ds weld. venue: nan. year: nan", "same": true}
+{"productA": "title: semantic access : semantic interface for querying databases. authors: n rishe , j yuan , r athauda , s chen , x lu , x ma , a vaschillo , a shaposhnikov , d vasilevsky. venue: vldb. year: 2000", "productB": "title: semantic access : semantic interface for querying databases. authors: n rishe , j yuan , r athauda , sc chen , x lu , x ma , a. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: efficient structural joins on indexed xml documents. authors: s chien , z vagena , d zhang , v tsotras , c zaniolo. venue: vldb. year: 2002", "productB": "title: efficient structural joins on indexed xml documents. authors: c shu-yao , z vagena , z donghui\u00e2 ? \u00a6. venue: proceedings of the vldb conference , hongkong ,. year: nan", "same": true}
+{"productA": "title: an adaptive data replication algorithm. authors: o wolfson , s jajodia , y huang. venue: acm trans . database syst .. year: 1997", "productB": "title: a distributed algorithm for adaptive replication of data. authors: o wolfson. venue: nan. year: 1990.0", "same": true}
+{"productA": "title: lh * rs : a high-availability scalable distributed data structure using reed solomon codes. authors: w litwin , t schwarz. venue: sigmod conference. year: 2000", "productB": "title: lh * rs\u00e2 ?? a highly-available scalable distributed data structure. authors: w litwin , r moussa. venue: acm transactions on database systems ( tods ) ,. year: 2005.0", "same": true}
+{"productA": "title: informix online xps. authors: r gerber. venue: sigmod conference. year: 1995", "productB": "title: informix online xps. authors: b gerber. venue: nan. year: nan", "same": true}
+{"productA": "title: clustering methods for large databases : from the past to the future. authors: a hinneburg , d keim. venue: sigmod conference. year: 1999", "productB": "title: clustering techniques for large data sets\u00e2 ?? from the past to the future. authors: da keim , a hinneburg. venue: conference on knowledge discovery in data ,. year: 1999.0", "same": true}
+{"productA": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: a sistla , c yu , c liu , k liu. venue: vldb. year: 1995", "productB": "title: similarity based retrieval of pictures using indices on spatial relationships. authors: ap sistla , c yu , c liu , k liu. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: gloss : text-source discovery over the internet. authors: l gravano , h garcia-molina , a tomasic. venue: acm trans . database syst .. year: 1999", "productB": "title: h. garc a-molina , and a. tomasic . gloss : text-source discovery overthe internet. authors: l gravano. venue: acm trans . on database systems ,. year: nan", "same": true}
+{"productA": "title: qxtract : a building block for efficient information extraction from plain-text databases. authors: e agichtein , l gravano. venue: sigmod conference. year: 2003", "productB": "title: qxtract : a building block for efficient information extraction from text databases. authors: e agichtein , l gravano. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference. year: 1994", "productB": "title: unisql/x unified relational and object-oriented database system. authors: w kim. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: user-defined table operators : enhancing extensibility for ordbms. authors: m jaedicke , b mitschang. venue: vldb. year: 1999", "productB": "title: user-defined table operators : enhancing extensibility for ordbms. authors: m jaedicke , b mitschang. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: cache-conscious concurrency control of main-memory indexes on shared-memory multiprocessor systems. authors: s cha , s hwang , k kim , k kwon. venue: vldb. year: 2001", "productB": "title: cache-conscious concurrency control of main-memory indexes on shared-memory multiprocessor systems. authors: sk cha , s hwang , k kim , k kwon. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: automatic discovery of language models for text databases. authors: j callan , m connell , a du. venue: sigmod conference. year: 1999", "productB": "title: automatic discovery of language models for text documents. authors: j callan , m connell , a du. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: winmagic : subquery elimination using window aggregation. authors: c zuzarte , h pirahesh , w ma , q cheng , l liu , k wong. venue: sigmod conference. year: 2003", "productB": "title: winmagic : subquery elimination using window aggregation. authors: c zuzarte , w ma , l liu. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: metadata for digital media : introduction to the special issue. authors: w klas , a sheth. venue: sigmod record. year: 1994", "productB": "title: special issue : metadata for digital data. authors: w klas , a sheth. venue: acm sigmod record 23 ( 4 ) ,. year: nan", "same": true}
+{"productA": "title: replication , consistency , and practicality : are these mutually exclusive ?. authors: t anderson , y breitbart , h korth , a wool. venue: sigmod conference. year: 1998", "productB": "title: practicality : are these mutually exclusive. authors: t anderson , y breitbart , h korth , a wool , c. venue: proceedings of the acm-sigmod 1998 international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: strudel : a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1997", "productB": "title: strudel : a web-site management system .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: aurora : a data stream management system. authors: d abadi , d carney , u \u0447etintemel , m cherniack , c convey , c erwin , e galvez , m hatoun , a maskey , a rasin , a singer , m stonebraker , n tatbul , y xing , r yan , s zdonik. venue: sigmod conference. year: 2003", "productB": "title: aurora : a new model and architecture for data stream management. authors: dj abadi , d carney , u \u00e3?etintemel , m cherniack , c. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , h garcia-molina. venue: vldb. year: 1995", "productB": "title: h. 1995 . generalizing gloss to vector-space databases and broker hierarchies. authors: l gravano , g \u00e4 \u00b1 a-molina. venue: proceedings of the 21st international conference on very. year: nan", "same": true}
+{"productA": "title: efficient processing of expressive node-selecting queries on xml data in secondary storage : a tree automata-based approach. authors: c koch. venue: vldb. year: 2003", "productB": "title: efficient processing of expressive node-selecting queries on xml data in secondary storage : a tree. authors: c koch. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: query processing over object views of relational data. authors: g fahl , t risch. venue: vldb j.. year: 1997", "productB": "title: query processing over object views of relational data. authors: g fahl , t risch. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference. year: 1994", "productB": "title: a performance study of transitive closure algorithms. authors: s dar , r ramakrishnan. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: composing web services on the semantic web. authors: b medjahed , a bouguettaya , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: composing web services on the semantic web. authors: b medjahed , a bouguettaya , ak elmagarmid. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: implementing data cubes efficiently. authors: v harinarayan , a rajaraman , j ullman. venue: sigmod conference. year: 1996", "productB": "title: implementing data cubes effectively. authors: v harinarayan , jd ullman , r rajaraman. venue: proc . 1996 acm-sigmod int . conf . manament of data june ,. year: nan", "same": true}
+{"productA": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: s ceri , r cochrane , j widom. venue: vldb. year: 2000", "productB": "title: practical applications of triggers and constraints : success stories and lingering issues . invited. authors: s ceri , r cochrane , f widom. venue: proc . 26th vldb , cairo , egypt , september ,. year: nan", "same": true}
+{"productA": "title: new standard for stored procedures in sql. authors: a eisenberg. venue: sigmod record. year: 1996", "productB": "title: new standard for stored procedures in sol. authors: a eisenherg. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: web caching for database applications with oracle web cache. authors: j anton , l jacobs , x liu , j parker , z zeng , t zhong. venue: sigmod conference. year: 2002", "productB": "title: web caching for database applications with oracle web cache. authors: j anton , l jacobs , x liu , j parker , z zeng , t. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: improved query performance with variant indexes. authors: p o'neil , d quass. venue: sigmod conference. year: 1997", "productB": "title: d. quass improved query performance with variant indexes. authors: po neil. venue: proceedings of acm sigmod ,. year: nan", "same": true}
+{"productA": "title: multidimensional access methods : trees have grown everywhere. authors: t sellis , n roussopoulos , c faloutsos. venue: vldb. year: 1997", "productB": "title: multidimensional access methods : trees have grown everywhere. authors: tk sellis , n roussopoulos , c faloutsos. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb. year: 2000", "productB": "title: efficiently publishing relational data as xml documents. authors: b reinwald. venue: vldb 2000 ,. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: andk . shim . fastsimilarity search in the presence of noise , scaling and translation in time-series. authors: r agrawal , ki lin , hs sawney. venue: proc . of. year: nan", "same": true}
+{"productA": "title: incremental computation and maintenance of temporal aggregates. authors: j yang , j widom. venue: vldb j.. year: 2003", "productB": "title: incremental computation and maintenance of temporal aggregates. authors: j yang , j widom. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: w labio , h garcia-molina. venue: vldb. year: 1996", "productB": "title: efficient snapshot differential algorithms for data warehousing. authors: h garcia-molina , wj labio. venue: nan. year: 1996.0", "same": true}
+{"productA": "title: miro web : integrating multiple data sources through semistructured data types. authors: l bouganim , t chan-sine-ying , t dang-ngoc , j darroux , g gardarin , f sha. venue: vldb. year: 1999", "productB": "title: miro web : integrating multiple data sources through semistructured data types. authors: l bouganim , t chan-sine-ying , tt dang-ngoc , jl. venue: proceedings of the 25th international conference on very & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: shoring up persistent applications. authors: m carey , d dewitt , m franklin , n hall , m mcauliffe , j naughton , d schuh , m solomon , c tan , o tsatalos , s white , m zwilling. venue: sigmod conference. year: 1994", "productB": "title: shoring up persistent applications. authors: mj carey , dj dewitt\u00e2 ? \u00a6. venue: nan. year: nan", "same": true}
+{"productA": "title: obtaining complete answers from incomplete databases. authors: a levy. venue: vldb. year: 1996", "productB": "title: obtaining complete answers from incomplete databases. authors: ay levy. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: optimizing queries across diverse data sources. authors: l haas , d kossmann , e wimmers , j yang. venue: vldb. year: 1997", "productB": "title: optimizing queries across diverse data sources. authors: h laura , hd kossmann , el wimmers\u00e2 ? \u00a6. venue: ptoc . 23rd int . conf . on vety large data bases ,. year: nan", "same": true}
+{"productA": "title: chain : operator scheduling for memory minimization in data stream systems. authors: b babcock , s babu , m datar , r motwani. venue: sigmod conference. year: 2003", "productB": "title: chain : operator scheduling for memory minimization in data stream systems. authors: b babcock , s babu , m datar , r motwani. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: m altinel , d aksoy , t baby , m franklin , w shapiro , s zdonik. venue: sigmod conference. year: 1999", "productB": "title: dbis-toolkit : adaptive middleware for large scale data delivery , ( demonstration description ). authors: m altinel , d aksoy , t baby , m franklin , w shapiro ,. venue: proc . acm sigmod int &#39; l conf . on management of. year: nan", "same": true}
+{"productA": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: m carey , j kiernan , j shanmugasundaram , e shekita , s subramanian. venue: vldb. year: 2000", "productB": "title: xperanto : a middleware for publishing object-relational data as xml documents. authors: jsess subramanian , m carey , j kiernan. venue: proceedings of the 26th vldb conference , cairo , egypt ,. year: nan", "same": true}
+{"productA": "title: an extensible compressor for xml data. authors: h liefke , d suciu. venue: sigmod record. year: 2000", "productB": "title: an extensible compressor for xml data. authors: h liefke , d suciu. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: timber : a native xml database. authors: h jagadish , s al-khalifa , a chapman , l lakshmanan , a nierman , s paparizos , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: vldb j.. year: 2002", "productB": "title: timber : a native xml database , 2003. authors: hv jagadish , s al-khalifa , a chapman , lvs. venue: vldb. year: nan", "same": true}
+{"productA": "title: thesus : organizing web document collections based on link semantics. authors: m halkidi , b nguyen , i varlamis , m vazirgiannis. venue: vldb j.. year: 2003", "productB": "title: thesus : organizing web document collections based on link semantics. authors: a greece , d de voluceau. venue: nan. year: nan", "same": true}
+{"productA": "title: load shedding in a data stream manager. authors: n tatbul , u \u0447etintemel , s zdonik , m cherniack , m stonebraker. venue: vldb. year: 2003", "productB": "title: load shedding in a data stream manager. authors: m cherniack , cu zs , n tatbul. venue: proc of 29th international conference on vldb , september ,. year: nan", "same": true}
+{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j clau\u043fen , a kemper , g moerkotte , k peithner. venue: vldb. year: 1997", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: j claussen , a kemper , g moerkotte , k peithner. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference. year: 2003", "productB": "title: adaptive filters for continuous queries over distributed data streams. authors: c olston , j jiang , j widom. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: provision of market services for eco compliant electronic market places. authors: s arpinar , a dogac. venue: sigmod record. year: 2000", "productB": "title: provision of market services for eco compliant electronic market places. authors: s arpinar , a dogac. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: xsearch : a semantic search engine for xml. authors: s cohen , j mamou , y kanza , y sagiv. venue: vldb. year: 2003", "productB": "title: xsearch : a semantic search engine for xml. authors: s cohen , j mamou , y kanza , y sagiv. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: s choo , w o'connell , g linderman , h chen , k ganapathi , a biliris , e panagos , d schrader. venue: sigmod conference. year: 1996", "productB": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: wo\u00e2 ?? connell , it ieong , d schrader , c watson , g au. venue: proceedingsof the 1996 acm sigmod international conference. year: nan", "same": true}
+{"productA": "title: a platform based on the multi-dimensional data model for analysis of bio-molecular structures. authors: s srinivasa , s kumar. venue: vldb. year: 2003", "productB": "title: a platform based on the multi-dimensional data model for analysis of bio-molecular structures. authors: s srinivasa , s kumar. venue: proceedings of the international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: change-centric management of versions in an xml warehouse. authors: a marian , s abiteboul , g cobena , l mignet. venue: vldb. year: 2001", "productB": "title: change-centric management of versions in an xml warehouse. authors: g cobena , s abiteboul , a marian. venue: nan. year: 2001.0", "same": true}
+{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: l bouganim , d florescu , p valduriez. venue: vldb. year: 1996", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: l bouganim , d florescu , p valduriez. venue: rapport de recherche-institut national de recherche en & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: qc-trees : an efficient summary structure for semantic olap. authors: l lakshmanan , j pei , y zhao. venue: sigmod conference. year: 2003", "productB": "title: qc-trees : an effective summary structure for semantic olap. authors: lvs lakshmanan , j pei , y zhao. venue: proceedings of the 2003 acm sigmod international conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?mining quantitative association rules in large relational tables , \u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: r srikant , r agrawal. venue: the i996 acm sigmod international conference on management. year: nan", "same": true}
+{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques ( part i ). authors: d shasha , p bonnet. venue: sigmod conference. year: 2002", "productB": "title: d. sha sha : database tuning : principles , experiments , and troubleshooting techniques. authors: p bonnet. venue: nan. year: 2002.0", "same": true}
+{"productA": "title: bellcore 's adapt/x harness system for managing information on internet and intranets. authors: a sheth. venue: vldb. year: 1996", "productB": "title: bellcore 's adapt/x harness system for managing information on internet and intranets. authors: a sheth. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: flexible relations - operational support of variant relational structures. authors: c kalus , p dadam. venue: vldb. year: 1995", "productB": "title: flexible relations-operational support of variant relational structures. authors: c kalus , p dadam. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: a foundation for multi-dimensional databases. authors: m gyssens , l lakshmanan. venue: vldb. year: 1997", "productB": "title: laks vs lakshmanan . a foundation for multi-dimensional database. authors: m gyssens. venue: proceedings of the 23rd vldb conference , athens , greece ,. year: nan", "same": true}
+{"productA": "title: indexing multiple sets. authors: c kilger , g moerkotte. venue: vldb. year: 1994", "productB": "title: indexing multiple sets. authors: c kilger , g moerkotte. venue: vldb ,. year: 1994.0", "same": true}
+{"productA": "title: views in a large-scale xml repository. authors: v aguilera , s cluet , t milo , p veltri , d vodislav. venue: vldb j.. year: 2002", "productB": "title: views in a large scale xml repository - group of 2 & raquo ;. authors: s cluet , p veltri , d vodislav , b reference. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference. year: 1994", "productB": "title: from structured documents to novel query facilities. authors: v christophides , s abiteboul , s cluet , m scholl. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: xsb as an efficient deductive database engine. authors: k sagonas , t swift , d warren. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database engine. authors: kst swift , ds warren. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: an evaluation of generic bulk loading techniques. authors: j bercken , b seeger. venue: vldb. year: 2001", "productB": "title: an evaluation of generic bulk loading techniques. authors: j van den bercken , b seeger. venue: proceedings of the 27th international conference on very & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997", "productB": "title: vassalos . templatebasedwrappers in the tsimmis system. authors: j hammer , s nestorov , h garcia-molina , r yerneni ,. venue: proc . acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: dms : a parallel data mining server. authors: f george. venue: vldb. year: 1998", "productB": "title: dms : a parallel data mining server. authors: faw george. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: michael tan . data caching and replacement. authors: s dar , mj franklin , b\u00e3 ? j\u00e3 \u00b3 nsson , d srivastava. venue: proc . very large data bases conference , bombay , india ,. year: nan", "same": true}
+{"productA": "title: i3 : intelligent , interactive investigaton of olap data cubes. authors: s sarawagi , g sathe. venue: sigmod conference. year: 2000", "productB": "title: i 3 : intelligent , interactive investigaton of olap data cubes. authors: s sarawagi. venue: geography ,. year: 1990.0", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for processing xpath queries . extended version. authors: g gottlob , c koch , r pichler. venue: proc . of the 28th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: spartan : a model-based semantic compression system for massive data tables. authors: s babu , m garofalakis , r rastogi. venue: sigmod conference. year: 2001", "productB": "title: '' spartan : a model-based semantic compression system for massive data tables. authors: s babu , m garofalakis , r rastogi. venue: acm sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: semistructured und structured data in the web : going back and forth. authors: p atzeni , g mecca , p merialdo. venue: sigmod record. year: 1997", "productB": "title: ni , g. mecca , and p. merialdo . semistructured und structured data in the web : going back and forth. authors: p atze. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: analyzing energy behavior of spatial access methods for memory-resident data. authors: n an , a sivasubramaniam , n vijaykrishnan , m kandemir , m irwin , s gurumurthi. venue: vldb. year: 2001", "productB": "title: analyzing energy behavior of spatial access methods for memory-resident data. authors: n an , a sivasubramaniam , n vijaykrishnan , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: association rules over interval data. authors: r miller , y yang. venue: sigmod conference. year: 1997", "productB": "title: yangy ( 1997 ) association rules over interval data. authors: rj miller. venue: proc . acm sigmod international conference on management of. year: nan", "same": true}
+{"productA": "title: towards knowledge-based digital libraries. authors: l feng , m jeusfeld , j hoppenbrouwers. venue: sigmod record. year: 2001", "productB": "title: towards knowledge-based digital libraries. authors: l feng , ma jeusfeld , j hoppenbrouwers. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: two techniques for on-line index modification in shared nothing parallel databases. authors: k achyutuni , e omiecinski , s navathe. venue: sigmod conference. year: 1996", "productB": "title: two techniques for on-line index modification in shared nothing parallel databases. authors: kj achyutuni , e omiecinski , sb navathe. venue: sigmod conference ,. year: 1996.0", "same": true}
+{"productA": "title: data manager for evolvable real-time command and control systems. authors: e hughes , r ginis , b thuraisingham , p krupp , j maurer. venue: vldb. year: 1997", "productB": "title: data manager for evolvable real-time command and control systems. authors: e hughes , r ginis , b thuraisingham , p krupp , j. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: the microsoft repository. authors: p bernstein , b harry , p sanders , d shutt , j zander. venue: vldb. year: 1997", "productB": "title: the microsoft repository. authors: pa bernstein , b harry , p sanders. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: nan. venue: nan. year: 1996", "productB": "title: workshop report : the first international workshop on active and real-time database systems. authors: m berndtsson , j hansson. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: distance-based indexing for high-dimensional metric spaces. authors: t bozkaya , z \u0436zsoyoglu. venue: sigmod conference. year: 1997", "productB": "title: distance-based indexing for high-dimensional metric spaces. authors: t bozkaya , m ozsoyoglu. venue: sigmod rec ,. year: 1997.0", "same": true}
+{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , p deshpande , j naughton , a shukla. venue: sigmod conference. year: 1998", "productB": "title: anda . shukla . simultaneous optimization and evaluation of multiple dimensional queries. authors: y zhao , pm deshpande , jf naughton. venue: proceedings of the 1998 acm-sigmod. year: nan", "same": true}
+{"productA": "title: a practical and modular implementation of extended transaction models. authors: r barga , c pu. venue: vldb. year: 1995", "productB": "title: modular implementation of extended transaction models. authors: rs barga , c pu , a practical. venue: proceedings of the 21th international conference on very. year: nan", "same": true}
+{"productA": "title: efficiently publishing relational data as xml documents. authors: j shanmugasundaram , e shekita , r barr , m carey , b lindsay , h pirahesh , b reinwald. venue: vldb. year: 2000", "productB": "title: efficiently publishing relational data as xml documents. authors: m carey , b lindsay , h pirahesh , b reinwald. venue: proc .. year: nan", "same": true}
+{"productA": "title: media360 workflow-implementing a workflow engine inside a database. authors: c blecken. venue: vldb. year: 2000", "productB": "title: media360 workflow-implementing a workflow engine inside a database. authors: c blecken. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: n kabra , d dewitt. venue: sigmod conference. year: 1998", "productB": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: d dewitt , n kabra. venue: proceedings of acm sigmod. year: nan", "same": true}
+{"productA": "title: a multimedia presentation algebra. authors: s adali , m sapino , v subrahmanian. venue: sigmod conference. year: 1999", "productB": "title: a multimedia presentation algebra. authors: s adal\u00e4 \u00b1 , ml sapino , vs subrahmanian. venue: sigmod ,. year: 1999.0", "same": true}
+{"productA": "title: state of the art in workflow management research and products. authors: nan. venue: nan. year: 1996", "productB": "title: tutorial : state of the art in workflow management system research and products. authors: c mohan. venue: 5th international conference on extending database & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: dbcache : middle-tier database caching for highly scalable e-business architectures. authors: c bornh\u0456vd , m altinel , s krishnamurthy , c mohan , h pirahesh , b reinwald. venue: sigmod conference. year: 2003", "productB": "title: dbcache : middle-tier database caching for highly scalable e-business architectures. authors: c bornovd , m altinel , s krishnamurthy , c mohan , h. venue: proceedings of acm sigmod , san diego ,. year: nan", "same": true}
+{"productA": "title: sprint : a scalable parallel classifier for data mining. authors: j shafer , r agrawal , m mehta. venue: vldb. year: 1996", "productB": "title: andm . mehta . sprint : ascalableparallel classifier fordata mining . in 22 nd. authors: j shafer , r agrawal. venue: vldb proceedings , bombay , india ,. year: nan", "same": true}
+{"productA": "title: filtering algorithms and implementation for very fast publish/subscribe. authors: f fabret , h jacobsen , f llirbat , j pereira , k ross , d shasha. venue: sigmod conference. year: 2001", "productB": "title: f. , pereira , j. , ross , ka , and shasha , d. 2001 . filtering algorithms and implementation for very. authors: f fabret , ha jacobsen , i ll. venue: proceedings of the acm sigmod. year: nan", "same": true}
+{"productA": "title: homer : a model-based case tool for data-intensive web sites. authors: p merialdo , p atzeni , m magnante , g mecca , m pecorone. venue: sigmod conference. year: 2000", "productB": "title: homer : a model-based case tool for data-intensive web sites. authors: p merialdo , p atzeni , m magnante , g mecca , m. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: distributing a search tree among a growing number of processors. authors: b kr\u0456ll , p widmayer. venue: sigmod conference. year: 1994", "productB": "title: distributing a search tree among a growing number of processors . to app . at acm-sigmod int . conf. authors: b kroll , p widmayer. venue: on management of data ,. year: nan", "same": true}
+{"productA": "title: exploiting statistics on query expressions for optimization. authors: n bruno , s chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: exploiting statistics on query expressions for optimization. authors: n bruno , s chaudhuri. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: the treescape system : reuse of pre-computed aggregates over irregular olap hierarchies. authors: t pedersen , c jensen , c dyreson. venue: vldb. year: 2000", "productB": "title: the treescape system : reuse of pre-computed aggregates over irregular olap hierarchies. authors: tb pedersen , cs jensen , ce dyreson. venue: proceedings of the international conference on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: b adelberg. venue: sigmod conference. year: 1998", "productB": "title: nodose { a tool for semi-automatically extracting semi-structured data from text documents . in acm. authors: b adelberg. venue: seattle , washington ,. year: nan", "same": true}
+{"productA": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: s chaudhuri , g weikum. venue: vldb. year: 2000", "productB": "title: rethinking database system architecture : towards a self-tuning risc-style database architecture. authors: s chaudhuri , g weikum. venue: proc . of 26 thint . conf . on very large. year: nan", "same": true}
+{"productA": "title: dynamic maintenance of data distribution for selectivity estimation. authors: k whang , s kim , g wiederhold. venue: vldb j.. year: 1994", "productB": "title: dynamic maintenance of data distribution for selectivity estimation. authors: ky whang , sw kim , g wiederhold. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: database de-centralization - a practical approach. authors: t didriksen , c galindo-legaria , e dahle. venue: vldb. year: 1995", "productB": "title: database de-centralization-a practical approach. authors: t didriksen. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: opportunities in information management and assurance. authors: x qian. venue: sigmod record. year: 1997", "productB": "title: opportunities in information management and assurance. authors: x qian. venue: acm sigmod record ,. year: 1997.0", "same": true}
+{"productA": "title: middle east technical university software research and development center. authors: a dogac. venue: sigmod record. year: 1996", "productB": "title: middle east technical university software research and development center. authors: a dogac. venue: acm sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: fastmap : afastalgorithmforindexing , data mining , and visualization of traditional and multimedia. authors: c faloutsos , ki lin. venue: sigmod record , proc.\u00e2 ?? 95acm sigmod int . conf . on management & hellip ; ,. year: nan", "same": true}
+{"productA": "title: optimization techniques for queries with expensive methods. authors: j hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: optimization techniques for queries with expensive methods [ j ] , 1998. authors: jm hellerstein. venue: tods. year: nan", "same": true}
+{"productA": "title: mining quantitative association rules in large relational tables. authors: r srikant , r agrawal. venue: sigmod conference. year: 1996", "productB": "title: mining quantitative association rules in large relational tables , to appear in proc. authors: r srikant , r agrawal. venue: acm. year: nan", "same": true}
+{"productA": "title: business-to-business interactions : issues and enabling technologies. authors: b medjahed , b benatallah , a bouguettaya , a ngu , a elmagarmid. venue: vldb j.. year: 2003", "productB": "title: business-to-business interactions : issues and enabling technologies. authors: b medjahed , b benatallah , a bouguettaya , ahh ngu ,. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: time management for new faculty. authors: a ailamaki , j gehrke. venue: sigmod record. year: 2003", "productB": "title: time management for new faculty. authors: a ailamaki , j gehrke. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: high-concurrency locking in r-trees. authors: m kornacker , d banks. venue: vldb. year: 1995", "productB": "title: 1995 . high-concurrency locking in r-trees. authors: m kronacker , d banks. venue: proc . 21th int . conf . on very large data. year: nan", "same": true}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: l processing. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin , o gruber. venue: vldb. year: 1995", "productB": "title: efficient incremental garbage collection for client-server object database systems. authors: l amsaleg , m franklin. venue: vldb ,. year: 1995.0", "same": true}
+{"productA": "title: storing semistructured data with stored. authors: a deutsch , m fernandez , d suciu. venue: sigmod conference. year: 1999", "productB": "title: storing semi-structured data using stored. authors: a deutsch , m fernandez , d suciu. venue: proc. , acm sigmod ,. year: nan", "same": true}
+{"productA": "title: data warehousing and olap for decision support ( tutorial ). authors: nan. venue: nan. year: 1997", "productB": "title: data warehousing and olap technology. authors: s chaudhuri , u dayal. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: tools and transformations - rigorous and otherwise - for practical database design. authors: a rosenthal , d reiner. venue: acm trans . database syst .. year: 1994", "productB": "title: tools and transformations-rigorous and otherwise-for practical database design. authors: a rosenthal , d reiner. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: n huyn. venue: vldb. year: 1997", "productB": "title: \u00e3 cents \u00e2 ? \u00ac \u00e5?multiple - view self-maintenance in data warehousing environments\u00e3 cents \u00e2 ? \u00ac \u00e2 ?. authors: n huyn. venue: proc . 23rd vldb ,. year: nan", "same": true}
+{"productA": "title: zoo : a desktop emperiment management environment. authors: y ioannidis , m livny , a ailamaki , a narayanan , a therber. venue: sigmod conference. year: 1997", "productB": "title: zoo : a desktop emperiment management environment .. authors: acms anthology , p edition. venue: nan. year: nan", "same": true}
+{"productA": "title: nonstop sql : scalability and availability for decision support. authors: s englert. venue: sigmod conference. year: 1994", "productB": "title: nonstop sql : scalability and availability for decision support. authors: s englert. venue: sigmod conference ,. year: 1994.0", "same": true}
+{"productA": "title: the case for enhanced abstract data types. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1997", "productB": "title: thecasefor enhancedabstract data types. authors: p seshadri , m livny , r ramakrishnan. venue: 23rd vldb. year: nan", "same": true}
+{"productA": "title: supply chain infrastructures : system integration and information sharing. authors: m ball , m ma , l raschid , z zhao. venue: sigmod record. year: 2002", "productB": "title: supply chain infrastructures : system integration and information sharing. authors: mo ball , m ma , l raschid , z zhao. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: g sheikholeslami , s chatterjee , a zhang. venue: vldb. year: 1998", "productB": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: o shmueli , j widom , g sheikholeslami , s chatterjee. venue: & hellip ; - fourth international conference on very-large databases ,. year: nan", "same": true}
+{"productA": "title: promises and realities of active database systems. authors: e simon , a dittrich. venue: vldb. year: 1995", "productB": "title: promises and realities of active database systems. authors: e simon , a kotz-dittrich. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: w3qs : a query system for the world-wide web. authors: d konopnicki , o shmueli. venue: vldb. year: 1995", "productB": "title: w3qs : a query system for the www. authors: d konopnicki , o shmueli. venue: proceedings vldb ,. year: nan", "same": true}
+{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: q cheng , j gryz , f koo , t leung , l liu , x qian , k schiefer. venue: vldb. year: 1999", "productB": "title: implementation of two semantic query optimization techniques in db2 universal database\u00e2 '' , atkinson. authors: q cheng , j gryz , f koo , tyc leung , l liu , x qian ,. venue: international conference on very large data bases ( vldb\u00e2 ?? 99. year: nan", "same": true}
+{"productA": "title: of objects and databases : a decade of turmoil. authors: m carey , d dewitt. venue: vldb. year: 1996", "productB": "title: of objects and databases : a decade of turmoil . 22nd vldb conf. authors: mj carey , dj dewitt. venue: bombay , india ,. year: nan", "same": true}
+{"productA": "title: answering queries with useful bindings. authors: c li , e chang. venue: acm trans . database syst .. year: 2001", "productB": "title: answering queries with useful bindings. authors: c li , e chang. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: versions and workspaces in microsoft repository. authors: t bergstraesser , p bernstein , s pal , d shutt. venue: sigmod conference. year: 1999", "productB": "title: versions and workspaces in microsoft repository. authors: tbpab shankar , pd shutt. venue: nan. year: nan", "same": true}
+{"productA": "title: of crawlers , portals , mice and men : is there more to mining the web ? ( panel ). authors: m garofalakis , s ramaswamy , r rastogi , k shim. venue: sigmod conference. year: 1999", "productB": "title: of crawlers , portals . mice and men : is there more to mining the web ?. authors: mn garofalakis , s ramaswamy , r rastogi , k shim. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: integrating reliable memory in databases. authors: w ng , p chen. venue: vldb j.. year: 1998", "productB": "title: integrating reliable memory in databases. authors: wt ng , pm chen. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1998.0", "same": true}
+{"productA": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: z chen , h jagadish , l lakshmanan , s paparizos. venue: vldb. year: 2003", "productB": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: z chen , hv jagadish , lvs lakshmanan , s paparizos. venue: nan. year: 2003.0", "same": true}
+{"productA": "title: fastmap : a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , k lin. venue: sigmod conference. year: 1995", "productB": "title: a fast algorithm for indexing , data-mining and visualization of traditional and multimedia datasets. authors: c faloutsos , ki lin. venue: nan. year: 1994.0", "same": true}
+{"productA": "title: alias : an active learning led interactive deduplication system. authors: s sarawagi , a bhamidipaty , a kirpal , c mouli. venue: vldb. year: 2002", "productB": "title: alias : an active learning led interactive deduplication system. authors: s sarawagi , a bhamidipaty , a kirpal , c mouli. venue: vldb ,. year: 2002.0", "same": true}
+{"productA": "title: a toolkit for negotiation support interfaces to multi-dimensional data. authors: m gebhardt , m jarke , s jacobs. venue: sigmod conference. year: 1997", "productB": "title: a toolkit for negotiation support on multidimensional data. authors: m gebhardt , m jarke , s jacobs. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: bank of america case study : the information currency advantage. authors: f cari\u0451o , m jahnke. venue: vldb. year: 1998", "productB": "title: bank of america case study : the information currency advantage. authors: f carino , m jahnke. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: what is the nearest neighbor in high dimensional spaces ?. authors: a hinneburg , c aggarwal , d keim. venue: vldb. year: 2000", "productB": "title: what is the nearest neighbor in high dimensional spaces ?. authors: a hinneburg , cc aggarwal , da keim. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: fast computation of sparse datacubes. authors: k ross , d srivastava. venue: vldb. year: 1997", "productB": "title: fast computation of sparse datacubes. authors: ka ross , d srivastava. venue: proceedings of the 23rd international conference on very & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: s sarawagi , s thomas , r agrawal. venue: sigmod conference. year: 1998", "productB": "title: integrating association rule mining with relational database systems : alternatives and implications /. authors: s sarawagi , s thomas , r agrawal. venue: san jose , california , usa , marz ,. year: nan", "same": true}
+{"productA": "title: querying heterogeneous information sources using source descriptions. authors: a levy , a rajaraman , j ordille. venue: vldb. year: 1996", "productB": "title: querying heterogeneous information sources using source descriptions. authors: ay levy , a rajaraman , jj ordille\u00e2 ? \u00a6. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: meaningful change detection in structured data. authors: s chawathe , h garcia-molina. venue: sigmod conference. year: 1997", "productB": "title: h. garcia-molina meaningful change detection in structured data. authors: s chawathe. venue: proc . of the acm sigmod int . conf . on management of. year: nan", "same": true}
+{"productA": "title: dynamic itemset counting and implication rules for market basket data. authors: s brin , r motwani , j ullman , s tsur. venue: sigmod conference. year: 1997", "productB": "title: dynamic itemset counting and implication rules for market basket data '' . int . conf. authors: s brin , r motwani , j ullman , s tsur. venue: management of data ,. year: nan", "same": true}
+{"productA": "title: querying multi-dimensional data indexed using the hilbert space-filling curve. authors: j lawder , p king. venue: sigmod record. year: 2001", "productB": "title: querying multi-dimensional data indexed using the hilbert space-filling curve. authors: jk lawder. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: catching the boat with strudel : experiences with a web-site management system. authors: m fernandez , d florescu , j kang , a levy , d suciu. venue: sigmod conference. year: 1998", "productB": "title: catching the boat with strudel : experiences with a web-site management system . acm intl. authors: mf fernandez , d florescu , j kang , ay levy , d suciu. venue: conference on management of data ( sigmod ) ,. year: nan", "same": true}
+{"productA": "title: fast algorithms for mining association rules in large databases. authors: r agrawal , r srikant. venue: vldb. year: 1994", "productB": "title: srikant . fast algorithms for mining association rules. authors: r agrawal andr. venue: proc . 1994. year: nan", "same": true}
+{"productA": "title: supporting multiple view maintenance policies. authors: l colby , a kawaguchi , d lieuwen , i mumick , k ross. venue: sigmod conference. year: 1997", "productB": "title: l singh mumick , i. 1997 . supporting multiple view maintenance policies. authors: ls colby , a kawaguchi , df lieuwen. venue: proceedings of the international conference on management of. year: nan", "same": true}
+{"productA": "title: xl : a platform for web services. authors: d florescu , a gr\u045cnhagen , d kossmann , s rost. venue: sigmod conference. year: 2002", "productB": "title: xl : a platform for web services. authors: d florescu , d kossmann. venue: nan. year: nan", "same": true}
+{"productA": "title: maximizing buffer and disk utilizations for news on-demand. authors: r ng , j yang. venue: vldb. year: 1994", "productB": "title: disk utilization for news-on-demand. authors: rt ng , jym buer. venue: proceedings of the international conference on very large. year: nan", "same": true}
+{"productA": "title: statix : making xml count. authors: j freire , j haritsa , m ramanath , p roy , j sim\u0449on. venue: sigmod conference. year: 2002", "productB": "title: sim eon , j. : \u00e2 ?? statix : making xml count\u00e2 ??. authors: j freire , jr haritsa , m ramanath , p roy. venue: proceedings of the 2002 acm sigmod intl. conf . on management. year: nan", "same": true}
+{"productA": "title: estimating the selectivity of xml path expressions for internet scale applications. authors: a aboulnaga , a alameldeen , j naughton. venue: vldb. year: 2001", "productB": "title: estimating the selectivity of xml path expressions for internet scale applications , in \u00e2 ?? vldb 2001. authors: a aboulnaga , ar alameldeen , jf naughton. venue: proceedings of 27th international conference on very large & hellip ; ,. year: nan", "same": true}
+{"productA": "title: merging models based on given correspondences. authors: r pottinger , p bernstein. venue: vldb. year: 2003", "productB": "title: merging models based on given correspondences. authors: ra pottinger , pa bernstein. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: semantic data caching and replacement. authors: s dar , m franklin , b j\u0453nsson , d srivastava , m tan. venue: vldb. year: 1996", "productB": "title: semantic data caching and replacement . 22nd vldb conf. authors: s dar , m franklin , b jonsson , d srivastava , m tan. venue: bombay , india ,. year: nan", "same": true}
+{"productA": "title: approximate query translation across heterogeneous information sources. authors: k chang , h garcia-molina. venue: vldb. year: 2000", "productB": "title: approximate query translation across heterogeneous information sources. authors: cck chang , h garcia-molina. venue: nan. year: nan", "same": true}
+{"productA": "title: supporting incremental join queries on ranked inputs. authors: a natsev , y chang , j smith , c li , j vitter. venue: vldb. year: 2001", "productB": "title: supporting incremental join queries on ranked inputs. authors: a natsev , yc chang , jr smith , cs li , js vitter. venue: vldb ,. year: 2001.0", "same": true}
+{"productA": "title: a survey and critique of advanced transaction models. authors: c mohan. venue: sigmod conference. year: 1994", "productB": "title: tutorial : advanced transaction models-survey and critique. authors: c mohan. venue: acm sigmod international conference on management of data , & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: text databases : a survey of text models and systems. authors: a loeffen. venue: sigmod record. year: 1994", "productB": "title: textdatabases : asurveyoftext models and systems. authors: a loeen. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: r-tree based indexing of now-relative bitemporal data. authors: r bliujute , c jensen , s saltenis , g slivinskas. venue: vldb. year: 1998", "productB": "title: r-tree based indexing of now-relative bitemporal data. authors: rbcsj simonassaltenis , g slivinskas. venue: nan. year: nan", "same": true}
+{"productA": "title: curio : a novel solution for efficient storage and indexing in data warehouses. authors: a datta , k ramamritham , h thomas. venue: vldb. year: 1999", "productB": "title: curio : a novel solution for efficient storage and indexing in data warehouses. authors: a datta , k ramamritham , h thomas. venue: proceedings of the international conference on very large & hellip ; ,. year: 1999.0", "same": true}
+{"productA": "title: speeding up construction of pmr quadtree-based spatial indexes. authors: g hjaltason , h samet. venue: vldb j.. year: 2002", "productB": "title: speeding up construction of quadtrees for spatial indexing. authors: gr hjaltason , h samet. venue: nan. year: nan", "same": true}
+{"productA": "title: devise : integrated querying and visual exploration of large datasets ( demo abstract ). authors: m livny , r ramakrishnan , k beyer , g chen , d donjerkovic , s lawande , j myllymaki , r wenger. venue: sigmod conference. year: 1997", "productB": "title: devise : integrated queryingand visual explorationof large datasets. authors: m livny , r ramakrishnan , k beyer , g chen , d. venue: proceedings of the 1997acm-sigmod conference ,. year: nan", "same": true}
+{"productA": "title: the middleware muddle. authors: d ritter. venue: sigmod record. year: 1998", "productB": "title: the middleware muddle. authors: d ritter. venue: sigmod record ,. year: 1998.0", "same": true}
+{"productA": "title: the context interchange mediator prototype. authors: s bressan , c goh , k fynn , m jakobisiak , k hussein , h kon , t lee , s madnick , t pena , j qu , a shum , m siegel. venue: sigmod conference. year: 1997", "productB": "title: demonstration of the context interchange mediator prototype. authors: s bressan , ch goh , k fynn , m jakobisiak , k hussein. venue: nan. year: nan", "same": true}
+{"productA": "title: a characterization of the sensitivity of query optimization to storage access cost parameters. authors: f reiss , t kanungo. venue: sigmod conference. year: 2003", "productB": "title: a characterization of the sensitivity of query optimization to storage access cost parameters. authors: f reiss , t kanungo. venue: sigmod conference ,. year: 2003.0", "same": true}
+{"productA": "title: computing complete answers to queries in the presence of limited access patterns. authors: c li. venue: vldb j.. year: 2003", "productB": "title: computing complete answers to queries in the presence of limited access patterns ( revision ). authors: c li. venue: nan. year: nan", "same": true}
+{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: r agrawal , k lin , h sawhney , k shim. venue: vldb. year: 1995", "productB": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases .. authors: r agrawal , ki lin , hs sawhney. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: r agrawal , j gehrke , d gunopulos , p raghavan. venue: sigmod conference. year: 1998", "productB": "title: andprabhakarraghavan . automaticsubspaceclusteringof highdimensional data for data mining. authors: jg rakeshagrawal , d gunopolos. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: data mining : practical machine learning tools and techniques - book review. authors: j geller. venue: sigmod record. year: 2002", "productB": "title: data mining : practical machine learning tools and techniques with java implementations. authors: j geller. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: towards an odmg-compliant visual object query language. authors: m chavda , p wood. venue: vldb. year: 1997", "productB": "title: towards an odmg-compliant visual object query language. authors: m chavda , pt wood. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: formal query languages for secure relational databases. authors: m winslett , k smith , x qian. venue: acm trans . database syst .. year: 1994", "productB": "title: formal query languages for secure relational databases. authors: k smith , x qian. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbar\u0441 , t imielinski. venue: sigmod conference. year: 1994", "productB": "title: sleepers and workaholics : caching strategies in mobile environments. authors: d barbara-milla , t imielinski. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: the semantic web : semantics for data on the web. authors: nan. venue: nan. year: 2003", "productB": "title: the semantic web : semantics for data on the web. authors: s decker , v kashyap. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: balancing histogram optimality and practicality for query result size estimation. authors: y ioannidis , v poosala. venue: sigmod conference. year: 1995", "productB": "title: balancinghistogramoptimalityand practicalityforquery result size estimation. authors: ye ioannidis , v poosala. venue: acm. year: nan", "same": true}
+{"productA": "title: holistic twig joins on indexed xml documents. authors: h jiang , w wang , h lu , j yu. venue: vldb. year: 2003", "productB": "title: holistic twig joins on indexed xml documents. authors: h jiang , w wang , h lu , jx yu. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm trans . database syst .. year: 1994", "productB": "title: on completeness of historical relational query languages. authors: j clifford , a croker , a tuzhilin. venue: acm transactions on database systems ( tods ) ,. year: 1994.0", "same": true}
+{"productA": "title: a simple algorithm for finding frequent elements in streams and bags. authors: r karp , s shenker , c papadimitriou. venue: acm trans . database syst .. year: 2003", "productB": "title: a simple algorithm for finding frequent elements in streams and bags. authors: rm karp , s shenker , ch papadimitriou. venue: acm transactions on database systems ,. year: 2003.0", "same": true}
+{"productA": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb. year: 1996", "productB": "title: the design and implementation of a sequence database system. authors: p seshadri , m livny , r ramakrishnan. venue: vldb ,. year: 1996.0", "same": true}
+{"productA": "title: xmill : an efficient compressor for xml data. authors: h liefke , d suciu. venue: sigmod conference. year: 2000", "productB": "title: xmill : an efficient compressor for xml data. authors: l hartmut , d suciu. venue: nan. year: nan", "same": true}
+{"productA": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: vldb j.. year: 2001", "productB": "title: picodmbs : scaling down database techniques for the smartcard. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: vldb ,. year: 2000.0", "same": true}
+{"productA": "title: schemasql : an extension to sql for multidatabase interoperability. authors: l lakshmanan , f sadri , s subramanian. venue: acm trans . database syst .. year: 2001", "productB": "title: schemasql : an extension to sql for multidatabase interoperability. authors: lvs lakshmanan , f sadri , sn subramanian. venue: acm transactions on database systems ,. year: 2001.0", "same": true}
+{"productA": "title: continuously adaptive continuous queries over streams. authors: s madden , m shah , j hellerstein , v raman. venue: sigmod conference. year: 2002", "productB": "title: continously adaptive continuous queries over data streams. authors: s madden , ma shah , jm hellerstein , v raman. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: amalgamating knowledge bases. authors: v subrahmanian. venue: acm trans . database syst .. year: 1994", "productB": "title: amalgamating knowledge bases , iii : distributed mediators. authors: s adal , vs subrahmanian. venue: journal of cooperative information systems , dec ,. year: nan", "same": true}
+{"productA": "title: index configuration in object-oriented databases. authors: e bertino. venue: vldb j.. year: 1994", "productB": "title: index configuration in object-oriented databases. authors: e bertino. venue: the vldb journal the international journal on very large & hellip ; ,. year: 1994.0", "same": true}
+{"productA": "title: on processing xml in ldap. authors: p marr\u0453n , g lausen. venue: vldb. year: 2001", "productB": "title: on processing xml in ldap. authors: pj marron , g lausen. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: dynamic vp-tree indexing for n-nearest neighbor search given pair-wise distances. authors: a fu , p chan , y cheung , y moon. venue: vldb j.. year: 2000", "productB": "title: dynamic vp-tree indexing for n-nearest neighbor search given pair-wise distances. authors: aw fu , pm chan , yl cheung , ys moon. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2000.0", "same": true}
+{"productA": "title: gigascope : high performance network monitoring with an sql interface. authors: c cranor , y gao , t johnson , v shkapenyuk , o spatscheck. venue: sigmod conference. year: 2002", "productB": "title: gigascope : high performance network monitoring with an sql interface . demonstration. authors: c cranor , y gao , t johnson , v shkapenyuk , o. venue: proc . acm sigmod 2002 ,. year: nan", "same": true}
+{"productA": "title: comprehension syntax. authors: p buneman , l libkin , d suciu , v tannen , l wong. venue: sigmod record. year: 1994", "productB": "title: comprehension syntax. authors: ll peterbuneman , d suciu , v tannen , l wong. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , r miller. venue: sigmod conference. year: 2003", "productB": "title: data mapping in peer-to-peer systems : semantics and algorithmic issues. authors: a kementsietsidis , m arenas , rj miller. venue: acm sigmod ,. year: nan", "same": true}
+{"productA": "title: locating data sources in large distributed systems. authors: l galanis , y wang , s jeffery , d dewitt. venue: vldb. year: 2003", "productB": "title: locating data sources in large distributed systems. authors: l galanis , y wang , sr jeffery , dj dewitt. venue: vldb ,. year: 2003.0", "same": true}
+{"productA": "title: the network as a global database : challenges of interoperability , proactivity , interactiveness , legacy. authors: p lockemann , u k\u0456lsch , a koschel , r kramer , r nikolai , m wallrath , h walter. venue: vldb. year: 1997", "productB": "title: the network as a global database : challenges of interoperability , proactivity , interactiveness ,. authors: pc lockemann , a koschel , r kramer , r nikolai , m. venue: proceedings of the international conference on very large & hellip ; ,. year: 1997.0", "same": true}
+{"productA": "title: wrapper generation for semi-structured internet sources. authors: n ashish , c knoblock. venue: sigmod record. year: 1997", "productB": "title: wrapper generation for semi-structured internet sources. authors: nac knoblock. venue: & hellip ; section on management of semi-structured da @ acm sigmod & hellip ; ,. year: nan", "same": true}
+{"productA": "title: path sharing and predicate evaluation for high-performance xml filtering. authors: y diao , m altinel , m franklin , h zhang , p fischer. venue: acm trans . database syst .. year: 2003", "productB": "title: yfilter : path sharing and predicate evaluation for high-performance xmpsll filtering. authors: y diao , m altinel , mj franklin , h zhang , p fischer. venue: acm transactions on database systems ( tods ). year: nan", "same": true}
+{"productA": "title: applying database technology in the adsm mass storage system. authors: l cabrera , r rees , w hineman. venue: vldb. year: 1995", "productB": "title: applying database technology in the adsm mass storage system. authors: lf cabrera , r rees , w hineman. venue: proceedings of the international conference on very large & hellip ; ,. year: 1995.0", "same": true}
+{"productA": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: vldb j.. year: 2002", "productB": "title: efficient similarity search for market basket data. authors: a nanopoulos , y manolopoulos. venue: the vldb journal the international journal on very large & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: small materialized aggregates : a light weight index structure for data warehousing. authors: g moerkotte. venue: vldb. year: 1998", "productB": "title: small materialized aggregates : a light weight index structure for data warehousing. authors: g moerkotte. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: exploiting constraint-like data characterizations in query optimization. authors: p godfrey , j gryz , c zuzarte. venue: sigmod conference. year: 2001", "productB": "title: exploiting constraint-like data characterizations in query optimization. authors: p godfrey , j gryz , c zuzarte. venue: sigmod conference ,. year: 2001.0", "same": true}
+{"productA": "title: discovering web services : an overview. authors: v draluk. venue: vldb. year: 2001", "productB": "title: discovery web services : an overview. authors: v draluk. venue: apers p. proc of international conf vldb ,. year: 2001.0", "same": true}
+{"productA": "title: a case for fractured mirrors. authors: r ramamurthy , d dewitt , q su. venue: vldb j.. year: 2003", "productB": "title: a case for fractured mirrors. authors: rrdj dewitt , q su. venue: nan. year: nan", "same": true}
+{"productA": "title: discovery of multiple-level association rules from large databases. authors: j han , y fu. venue: vldb. year: 1995", "productB": "title: discovery of multiple-level association rules. authors: j han , y fu. venue: zurich , switzerland : in proc . of the 21 ^ stint &#39; l conference & hellip ; ,. year: nan", "same": true}
+{"productA": "title: guest editor 's introduction. authors: nan. venue: nan. year: 1998", "productB": "title: guest editor. authors: a dogac. venue: acm sigmod record special section on electronic commerce ,. year: nan", "same": true}
+{"productA": "title: efficient algorithms for processing xpath queries. authors: g gottlob , c koch , r pichler. venue: vldb. year: 2002", "productB": "title: efficient algorithms for processing xpath queries. authors: g georg , k christoph , p reinhard. venue: proc . of the vldb ,. year: nan", "same": true}
+{"productA": "title: declarative data cleaning : language , model , and algorithms. authors: h galhardas , d florescu , d shasha , e simon , c saita. venue: vldb. year: 2001", "productB": "title: declerative data cleaning. authors: h garhaldas , d florescu , d shasha , e simon , e. venue: proceedings of vldb ,. year: nan", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining generalized association rules . in : proceedings of the 21st vldb conference. authors: r srikant , r agrawal. venue: nan. year: 1995.0", "same": true}
+{"productA": "title: timber : a native xml database. authors: h jagadish , s al-khalifa , a chapman , l lakshmanan , a nierman , s paparizos , j patel , d srivastava , n wiwatwattana , y wu , c yu. venue: vldb j.. year: 2002", "productB": "title: timber : a native xml database. authors: h jagdish\u00e2 ? \u00a6. venue: acm. year: nan", "same": true}
+{"productA": "title: mining generalized association rules. authors: r srikant , r agrawal. venue: vldb. year: 1995", "productB": "title: mining generalized association rules. authors: s ramakrishnan , a rakesh. venue: proceedings of 21 stvldb conference , zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: database research at the university of illinois at urbana-champaign. authors: m winslett , k chang , a doan , j han , c zhai , y zhou. venue: sigmod record. year: 2002", "productB": "title: database research at the university of illinois at urbana-champaign. authors: m winslett , kcc chang , ah doan , j han , c zhai , y. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: a hypertext query language for images. authors: l yang. venue: sigmod record. year: 1994", "productB": "title: a hypertext query language for images. authors: l yang. venue: sigmod record ,. year: 1994.0", "same": true}
+{"productA": "title: minimal probing : supporting expensive predicates for top-k queries. authors: k chang , s hwang. venue: sigmod conference. year: 2002", "productB": "title: minimal probing : supporting expensive predicates for top-k queries. authors: kcc chang , s hwang. venue: sigmod conference ,. year: 2002.0", "same": true}
+{"productA": "title: nearest neighbor queries. authors: n roussopoulos , s kelley , f vincent. venue: sigmod conference. year: 1995", "productB": "title: nearest neighbor queries. authors: n rossopoulos , s kelly , f vincent. venue: proc . of acm-sigmod ,. year: nan", "same": true}
+{"productA": "title: quorum consensus in nested transaction systems. authors: k goldman , n lynch. venue: acm trans . database syst .. year: 1994", "productB": "title: quorum consensus in nested-transaction systems. authors: kj goldman , n lynch. venue: acm transactions on database systems ,. year: 1994.0", "same": true}
+{"productA": "title: multi-table joins through bitmapped join indices. authors: p o'neil , g graefe. venue: sigmod record. year: 1995", "productB": "title: multi-table joins through bitmapped join indexes. authors: po\u00e2 ?? neill , g graefe. venue: sigmod record ,. year: nan", "same": true}
+{"productA": "title: conceptual schema analysis : techniques and applications. authors: s castano , v antonellis , m fugini , b pernici. venue: acm trans . database syst .. year: 1998", "productB": "title: conceptual schema analysis : techniques and applications. authors: s castano , v de antonellis , mg fugini , b pernici. venue: acm transactions on database systems ,. year: 1998.0", "same": true}
+{"productA": "title: applying data mining techniques to a health insurance information system. authors: m viveros , j nearhos , m rothman. venue: vldb. year: 1996", "productB": "title: applying data mining techniques to a health insurance information system. authors: ms viveros. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: nan. venue: nan. year: 2003", "productB": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: k aberer. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: quickly generating billion-record synthetic databases. authors: j gray , p sundaresan , s englert , k baclawski , p weinberger. venue: sigmod conference. year: 1994", "productB": "title: quickly generating billion-record synthetic databases. authors: p sundaresan , k baclawski , s englert , j gray. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: j oh , k hua. venue: sigmod conference. year: 2000", "productB": "title: an efficient and cost-effective technique for browsing and indexing large video databases. authors: jh oh , ka hua. venue: proc . of 2000 acm sigmod intl. conf . on management of data ,. year: 2000.0", "same": true}
+{"productA": "title: polymorphism and type inference in database programming. authors: p buneman , a ohori. venue: acm trans . database syst .. year: 1996", "productB": "title: polymoprhism and type inferencein database programming . technicalreport , universities of. authors: p buneman , a ohori. venue: acm transaction on database. year: nan", "same": true}
+{"productA": "title: querying and mining data streams : you only get one look a tutorial. authors: nan. venue: nan. year: 2002", "productB": "title: andr . rastogi . querying and mining data streams : you only get one look. authors: m garofalakis , j gehrke. venue: proceedingsof acm sigmod ,. year: nan", "same": true}
+{"productA": "title: a study on the management of semantic transaction for efficient data retrieval. authors: s huang , i kwan , c li. venue: sigmod record. year: 2002", "productB": "title: a study on the management of semantic transaction for efficient data retrieval. authors: sm huang , i kwan , ch li. venue: sigmod record ,. year: 2002.0", "same": true}
+{"productA": "title: time series similarity measures and time series indexing. authors: nan. venue: nan. year: 2001", "productB": "title: a tutorial on time series similarity measures and time series indexing. authors: d gunopulos , g das. venue: proc . 2001. year: nan", "same": true}
+{"productA": "title: picodbms : scaling down database techniques for the smartcard. authors: p pucheral , l bouganim , p valduriez , c bobineau. venue: vldb j.. year: 2001", "productB": "title: picodbms : scaling down database techniques for the smartcard ' , 26th int . conf . on very large data. authors: c bobineau , l bouganim , p pucheral , p valduriez. venue: cairo , september ,. year: nan", "same": true}
+{"productA": "title: p-grid : a self-organizing structured p2p system. authors: k aberer , p cudr\u0449-mauroux , a datta , z despotovic , m hauswirth , m punceva , r schmidt. venue: sigmod record. year: 2003", "productB": "title: p-grid : a self-organizing structured p2p systems. authors: k aberer. venue: sigmod record ,. year: 2003.0", "same": true}
+{"productA": "title: disseminating updates on broadcast disks. authors: s acharya , m franklin , s zdonik. venue: vldb. year: 1996", "productB": "title: disseminating updates on broadcast disks proceedings of the vldb conference. authors: s acharya , m franklin , s zdonik. venue: mumbai ( bombay ) , india ,. year: nan", "same": true}
+{"productA": "title: efficient k-nn search on vertically decomposed data. authors: a vries , n mamoulis , n nes , m kersten. venue: sigmod conference. year: 2002", "productB": "title: efficient k-nn search on vertically decomposed data. authors: ap de vries , n mamoulis , n nes , m kersten. venue: proceedings of the acm sigmod international conference on & hellip ; ,. year: 2002.0", "same": true}
+{"productA": "title: workflow management with service quality guarantees. authors: m gillmann , g weikum , w wonner. venue: sigmod conference. year: 2002", "productB": "title: workflow management with service quality guarantees. authors: m gillmann. venue: nan. year: nan", "same": true}
+{"productA": "title: efficient concurrency control for broadcast environments. authors: j shanmugasundaram , a nithrakashyap , r sivasankaran , k ramamritham. venue: sigmod conference. year: 1999", "productB": "title: efficient concurrency control for broadcast environments univ. authors: j shanmugasundaram\u00e2 ? \u00a6. venue: of massachusetts technical report. year: nan", "same": true}
+{"productA": "title: determining text databases to search in the internet. authors: w meng , k liu , c yu , x wang , y chang , n rishe. venue: vldb. year: 1998", "productB": "title: determining text databases to search in the internet. authors: kll weiyi meng , c yu , x war & , nr yuhsi chang. venue: nan. year: nan", "same": true}
+{"productA": "title: mocha : a database middleware system featuring automatic deployment of application-specific functionality. authors: m rodriguez-martinez , n roussopoulos , j mcgann , s kelley , v katz , z song , j j\u0441j\u0441. venue: sigmod conference. year: 2000", "productB": "title: mocha : a database middleware systems featuring automatic deployment of application-specific. authors: m rodr\u00e3guez - mart\u00e3nez , n roussopoulos , jm mcgann ,. venue: acm sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: career-enhancing services at sigmod online. authors: a labrinidis , a mendelzon. venue: sigmod record. year: 2001", "productB": "title: career-enhancing services at sigmod online. authors: a labrinidis , ao mendelzon. venue: sigmod record ,. year: 2001.0", "same": true}
+{"productA": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m vassilakopoulos. venue: sigmod conference. year: 2000", "productB": "title: closest pair queries in spatial databases. authors: a corral , y manolopoulos , y theodoridis , m. venue: sigmod conference ,. year: 2000.0", "same": true}
+{"productA": "title: large databases for remote sensing and gis. authors: a dasgupta. venue: vldb. year: 1996", "productB": "title: large databases for remote sensing and gis. authors: ar dasgupta. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0", "same": true}
+{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: s guha , r rastogi , k shim. venue: sigmod conference. year: 1998", "productB": "title: an efficient clustering algorithm for large data bases , sigmod 1998. authors: s guha , r rastogi , a cure. venue: proceedings of acm sigmod international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia , m patella , p zezula. venue: vldb. year: 1997", "productB": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: p ciaccia. venue: vldb ,. year: 1997.0", "same": true}
+{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: r goldman , j widom. venue: vldb. year: 1997", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: g roy , w jennifer. venue: dayal u , gray pmd , nishio s edsproceedings of the 23rd. year: nan", "same": true}
+{"productA": "title: data replication for mobile computers. authors: y huang , a sistla , o wolfson. venue: sigmod conference. year: 1994", "productB": "title: ps and wolfson , o. 1994a . data replication for mobile computers. authors: y huang. venue: proceedings of the acm-sigmod , international conference on. year: nan", "same": true}
+{"productA": "title: tsql2 language specification. authors: r snodgrass , i ahn , g ariav , d batory , j clifford , c dyreson , r elmasri , f grandi , c jensen , w k\u0444fer , n kline , k kulkarni , t leung , n lorentzos , j roddick , a segev , m soo , s sripada. venue: sigmod record. year: 1994", "productB": "title: tsql2 language specification , 1994. authors: rt snodgrass. venue: available by ftp from ftp . cs . arizona .. year: nan", "same": true}
+{"productA": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n widmann. venue: sigmod conference. year: 1998", "productB": "title: the multidimensional database system rasdaman. authors: p baumann , a dehmel , p furtado , r ritsch , n. venue: nan. year: nan", "same": true}
+{"productA": "title: comparative analysis of five xml query languages. authors: a bonifati , s ceri. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of five xml query languages .. authors: acms anthology. venue: sigmod record ,. year: 2000.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a consensus glossary of temporal database concepts-feb . 1998 version. authors: cs jensen , ce dyreson. venue: nan. year: 1998.0", "same": true}
+{"productA": "title: a survey of logical models for olap databases. authors: p vassiliadis , t sellis. venue: sigmod record. year: 1999", "productB": "title: a survey of logical models for olap databases .. authors: acms anthology. venue: sigmod record ,. year: 1999.0", "same": true}
+{"productA": "title: the clustra telecom database : high availability , high throughput , and real-time response. authors: s hvasshovd , \u0438 torbj\u0458rnsen , s bratsberg , p holager. venue: vldb. year: 1995", "productB": "title: theclustratelecom database : high availability , high throughput , and realtime response proceedings of. authors: so hvasshovd , o torbjornsen , se bratsberg , p. venue: zurich , switzerland ,. year: nan", "same": true}
+{"productA": "title: temporal database bibliography update. authors: v tsotras , a kumar. venue: sigmod record. year: 1996", "productB": "title: anil . temporal database bibliography update. authors: j vassilis , t kumar. venue: acm sigmod record ,. year: nan", "same": true}
+{"productA": "title: the ins and outs ( and everthing in between ) of data warehousing. authors: nan. venue: nan. year: 1996", "productB": "title: the ins and outs ( and everything in between ) of data warehousing. authors: d schneider , p fernandez. venue: sigmod record ,. year: 1996.0", "same": true}
+{"productA": "title: xtract : a system for extracting document type descriptors from xml documents. authors: m garofalakis , a gionis , r rastogi , s seshadri , k shim. venue: sigmod conference. year: 2000", "productB": "title: xtract : a system for extracting document type descriptors from xml documents. authors: a gionis , m garofalakis , r rastogi , s seshadri , k. venue: proc . of acmsigmod 2000 international conference on & hellip ; ,. year: nan", "same": true}
+{"productA": "title: a content-based multimedia server for massively parallel architectures. authors: w o'connell , i ieong , d schrader , c watson , g au , a biliris , s choo , p colin , g linderman , e panagos , j wang , t walters. venue: sigmod conference. year: 1996", "productB": "title: etal. , prospector : a content-based multimedia object server for massively parallel architectures. authors: wo\u00e2 ?? connell , it ieong , d schrader. venue: proceedings of the acm sigmod conference on management of & hellip ; ,. year: nan", "same": true}
+{"productA": "title: db2 spatial extender - spatial data within the rdbms. authors: d adler. venue: vldb. year: 2001", "productB": "title: ibm db2 spatial extender-spatial data within the rdbms. authors: dw adler. venue: proceedings of the international conference on very large & hellip ; ,. year: 2001.0", "same": true}
+{"productA": "title: versions and workspaces in microsoft repository. authors: t bergstraesser , p bernstein , s pal , d shutt. venue: sigmod conference. year: 1999", "productB": "title: versions and workspaces in microsoft repository. authors: t bergstraesser , pa bernstein , s pal , d shutt. venue: nan. year: nan", "same": true}
+{"productA": "title: fast time sequence indexing for arbitrary lp norms. authors: b yi , c faloutsos. venue: vldb. year: 2000", "productB": "title: fast time sequence indexing for arbitrary lp norms [ a ]. authors: y byoung-kee , f christos. venue: nan. year: 2000.0", "same": true}
+{"productA": "title: querying structured text in an xml database. authors: s al-khalifa , c yu , h jagadish. venue: sigmod conference. year: 2003", "productB": "title: querying structured text in an xml database. authors: s al-khalifa , c yu , hv jagadish. venue: nan. year: nan", "same": true}
+{"productA": "title: online aggregation. authors: j hellerstein , p haas , h wang. venue: sigmod conference. year: 1997", "productB": "title: wang. , hj ( 1997 ) online aggregation. authors: jm hellerstein , pj haas. venue: proc . acm\u00e2 ?? sigmod conference on management of. year: nan", "same": true}
+{"productA": "title: \\ on saying \\ '' \\ `` enough already ! \\ '' \\ '' in sql \\ '' ''. authors: m carey , d kossmann. venue: sigmod conference. year: 1997", "productB": "title: bon saying benough already ! [ in sql [. authors: m carey , d kossmann. venue: acm sigmod conference ,. year: nan", "same": true}
+{"productA": "title: hash joins and hash teams in microsoft sql server. authors: g graefe , r bunker , s cooper. venue: vldb. year: 1998", "productB": "title: hash joins and hash teams in microsoft sql server. authors: g graefe , r bunker , s cooper. venue: vldb ,. year: 1998.0", "same": true}
+{"productA": "title: a consensus glossary of temporal database concepts. authors: c jensen , j clifford , r elmasri , s gadia , p hayes , s jajodia. venue: sigmod record. year: 1994", "productB": "title: a consensus glossary of temporal db concepts. authors: c jensen\u00e2 ? \u00a6. venue: acm. year: nan", "same": true}
+{"productA": "title: your mediators need data conversion !. authors: s cluet , c delobel , j sim\u0449on , k smaga. venue: sigmod conference. year: 1998", "productB": "title: your mediators need data conversation. authors: s cluet , c delobel , j simeon , k smaga. venue: proceedings of acm-sigmod international. year: nan", "same": true}
+{"productA": "title: who needs xml databases ?. authors: s cluet. venue: vldb. year: 2003", "productB": "title: who needs xml databases ?. authors: s cluet. venue: proceedings of the international conference on very large & hellip ; ,. year: 2003.0", "same": true}
+{"productA": "title: book review column. authors: k aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: bd davison. venue: sigmod record ,. year: 2003.0", "same": true}