diff --git "a/DBLP_ACM/test.jsonl" "b/DBLP_ACM/test.jsonl" new file mode 100644--- /dev/null +++ "b/DBLP_ACM/test.jsonl" @@ -0,0 +1,2473 @@ +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: a database system for real-time event aggregation in telecommunication. authors: jerry baulier , stephen blott , henry f. korth , abraham silberschatz. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: vldb. year: 1998", "productB": "title: a database system for real-time event aggregation in telecommunication. authors: jerry baulier , stephen blott , henry f. korth , abraham silberschatz. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: a flexible and recoverable client/server database event notification system. authors: chun xu , eric n. hanson , roxana dastur , i.-cheng chen , vijay ramaswamy , wendy tan , kurt engel. venue: vldb j.. year: 1998", "productB": "title: a database system for real-time event aggregation in telecommunication. authors: jerry baulier , stephen blott , henry f. korth , abraham silberschatz. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: solving satisfiability and implication problems in database systems. authors: sha guo , wei sun , mark a. weiss. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: evaluation of remote backup algorithms for transaction-processing systems. authors: christos a. polyzois , h é ctor garc í a-molina. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: an annotated bibliography on real-time database systems. authors: Ö zg ü r ulusoy. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on real-time database systems. authors: Ö zg ü r ulusoy. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996", "productB": "title: an annotated bibliography on real-time database systems. authors: Ö zg ü r ulusoy. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: index concurrency control in firm real-time database systems. authors: brajesh goyal , s. seshadri , v. srinivasan , jayant r. haritsa. venue: vldb. year: 1995", "productB": "title: an annotated bibliography on real-time database systems. authors: Ö zg ü r ulusoy. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: sigmod conference. year: 1997", "productB": "title: relaxed transaction processing. authors: munindar p. singh , christine tomlinson , darrell woelk. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: distributed transactions in practice. authors: lyman do , pamela drew , prabhu ram. venue: sigmod record. year: 1999", "productB": "title: relaxed transaction processing. authors: munindar p. singh , christine tomlinson , darrell woelk. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: clustering validity checking methods : part ii. authors: michalis vazirgiannis , maria halkidi , yannis batistakis. venue: sigmod record. year: 2002", "productB": "title: cluster validity methods : part i. authors: maria halkidi , yannis batistakis , michalis vazirgiannis. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: a query language and optimization techniques for unstructured data. authors: gerd g. hillebrand , peter buneman , susan b. davidson , dan suciu. venue: sigmod conference. year: 1996", "productB": "title: fundamental techniques for order optimization. authors: david simmen , eugene shekita , timothy malkemus. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: fundamental techniques for order optimization. authors: eugene j. shekita , david e. simmen , timothy malkemus. venue: sigmod conference. year: 1996", "productB": "title: fundamental techniques for order optimization. authors: david simmen , eugene shekita , timothy malkemus. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: fundamental techniques for order optimization. authors: david simmen , eugene shekita , timothy malkemus. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: coarse-grained optimization : techniques for rewriting sql statement sequences. authors: bernhard mitschang , tobias kraft , holger schwarz , ralf rantzau. venue: vldb. year: 2003", "productB": "title: fundamental techniques for order optimization. authors: david simmen , eugene shekita , timothy malkemus. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a query language and optimization techniques for unstructured data. authors: gerd g. hillebrand , peter buneman , susan b. davidson , dan suciu. venue: sigmod conference. year: 1996", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: sigmod conference. year: 1999", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: parametric query optimization for linear and piecewise linear cost functions. authors: s. sudarshan , arvind hulgeri. venue: vldb. year: 2002", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: query optimization in the presence of limited access patterns. authors: dan suciu , ioana manolescu , daniela florescu , alon y. levy. venue: sigmod conference. year: 1999", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: sql query optimization : reordering for a general class of queries. authors: piyush goel , balakrishna r. iyer. venue: sigmod conference. year: 1996", "productB": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: a query language and optimization techniques for unstructured data. authors: gerd g. hillebrand , peter buneman , susan b. davidson , dan suciu. venue: sigmod conference. year: 1996", "productB": "title: a query language for multidimensional arrays : design , implementation , and optimization techniques. authors: leonid libkin , rona machlin , limsoon wong. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: join queries with external text sources : execution and optimization techniques. authors: umeshwar dayal , surajit chaudhuri , tak w. yan. venue: sigmod conference. year: 1995", "productB": "title: a query language for multidimensional arrays : design , implementation , and optimization techniques. authors: leonid libkin , rona machlin , limsoon wong. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: k. bernhard schiefer , fred koo , t. y. cliff leung , linqi liu , jarek gryz , xiaoyan qian , qi cheng. venue: vldb. year: 1999", "productB": "title: a query language for multidimensional arrays : design , implementation , and optimization techniques. authors: leonid libkin , rona machlin , limsoon wong. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a query language and optimization techniques for unstructured data. authors: gerd g. hillebrand , peter buneman , susan b. davidson , dan suciu. venue: sigmod conference. year: 1996", "productB": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: qi cheng , jarek gryz , fred koo , t. y. cliff leung , linqi liu , xiaoyan qian , k. bernhard schiefer. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: sigmod conference. year: 1994", "productB": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: qi cheng , jarek gryz , fred koo , t. y. cliff leung , linqi liu , xiaoyan qian , k. bernhard schiefer. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: richard hull , mohammed rupawalla , michael doherty. venue: sigmod conference. year: 1996", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: won kim. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: won kim. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: david j. dewitt , navin kabra. venue: vldb j.. year: 1999", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: won kim. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: the trigs active object-oriented database system - an overview. authors: gerti kappel , werner retschitzegger. venue: sigmod record. year: 1998", "productB": "title: observations on the odmg-93 proposal for an object-oriented database language. authors: won kim. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: richard hull , mohammed rupawalla , michael doherty. venue: sigmod conference. year: 1996", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: supporting top-k join queries in relational databases. authors: walid g. aref , ahmed k. elmagarmid , ihab f. ilyas. venue: vldb. year: 2003", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: qing li , chi-wai fung , kamalakar karlapalem. venue: vldb j.. year: 2003", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: supporting efficient multimedia database exploration. authors: k. sel\u00e7uk candan , yoshinori hara , kyoji hirata , wen-syan li. venue: vldb j.. year: 2001", "productB": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: zhaohui xie , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: richard hull , mohammed rupawalla , michael doherty. venue: sigmod conference. year: 1996", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: lambda-db : an odmg-based object-oriented dbms. authors: arvind rajendran , david maier , leonidas fegaras , chandrasekhar srinivasan. venue: sigmod conference. year: 2000", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: a taxonomy for secure object-oriented databases. authors: sebastiaan h. von solms , martin s. olivier. venue: acm trans . database syst .. year: 1994", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: a cost model for clustered object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: structures for manipulating proposed updates in object-oriented databases. authors: richard hull , mohammed rupawalla , michael doherty. venue: sigmod conference. year: 1996", "productB": "title: a taxonomy for secure object-oriented databases. authors: martin s. olivier , sebastiaan h. von solms. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: a taxonomy for secure object-oriented databases. authors: martin s. olivier , sebastiaan h. von solms. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: a taxonomy for secure object-oriented databases. authors: martin s. olivier , sebastiaan h. von solms. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: a taxonomy for secure object-oriented databases. authors: martin s. olivier , sebastiaan h. von solms. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: a taxonomy for secure object-oriented databases. authors: martin s. olivier , sebastiaan h. von solms. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: vldb. year: 2001", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: jiawei han , zhaohui xie. venue: vldb. year: 1994", "productB": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: beng chin ooi , jiawei han , hongjun lu , kian lee tan. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tak w. yan , jurgen annevelink. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tak w. yan , jurgen annevelink. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: giuseppe psaila , stefano ceri , stefano paraboschi , piero fraternali. venue: sigmod conference. year: 1995", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tak w. yan , jurgen annevelink. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tak w. yan , jurgen annevelink. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: vldb. year: 1994", "productB": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: tak w. yan , jurgen annevelink. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: hyperstorm-administering structured documents using object-oriented database technology. authors: klemens b ö hm , karl aberer. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: the trigs active object-oriented database system - an overview. authors: g. kappel , w. retschitzegger. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: zhao-hui tang , fei sha , georges gardarin. venue: vldb. year: 1996", "productB": "title: the trigs active object-oriented database system - an overview. authors: g. kappel , w. retschitzegger. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: the trigs active object-oriented database system - an overview. authors: g. kappel , w. retschitzegger. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: a taxonomy for secure object-oriented databases. authors: sebastiaan h. von solms , martin s. olivier. venue: acm trans . database syst .. year: 1994", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: giuseppe psaila , stefano ceri , stefano paraboschi , piero fraternali. venue: sigmod conference. year: 1995", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: vldb. year: 1994", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the ecrc multi database system. authors: heribert sch\u00fctz , willem jonker. venue: sigmod conference. year: 1995", "productB": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , victor e. segal , jia chen , paval a. exarkhopoulo. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: schema and database evolution in the o2 object database system. authors: fabrizio ferrandina , guy ferran , thorsten meyer , roberto zicari , jo\u00eblle madec. venue: vldb. year: 1995", "productB": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: on efficiently implementing schemasql on an sql database system. authors: fereidoon sadri , laks v. s. lakshmanan , subbu n. subramanian. venue: vldb. year: 1999", "productB": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: integrating a structured-text retrieval system with an object-oriented database system. authors: jurgen annevelink , tak w. yan. venue: vldb. year: 1994", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: griddb : a database interface to the grid. authors: david t. liu , devesh parekh , michael j. franklin. venue: sigmod conference. year: 2003", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , h. v. jagadish , william d. roome. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: raymond t. ng , divesh srivastava , h. v. jagadish , olga kapitskaia. venue: vldb j.. year: 2000", "productB": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: charu c. aggarwal. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: charu c. aggarwal. venue: sigmod conference. year: 2002", "productB": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: charu c. aggarwal. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: multi-dimensional substring selectivity estimation. authors: divesh srivastava , olga kapitskaia , raymond t. ng , h. v. jagadish. venue: vldb. year: 1999", "productB": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: charu c. aggarwal. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: raymond t. ng , divesh srivastava , h. v. jagadish , olga kapitskaia. venue: vldb j.. year: 2000", "productB": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: ju-hong lee , deok-hwan kim , chin-wan chung. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: selectivity estimation using probabilistic models. authors: daphne koller , lise getoor , benjamin taskar. venue: sigmod conference. year: 2001", "productB": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: ju-hong lee , deok-hwan kim , chin-wan chung. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: raymond t. ng , divesh srivastava , h. v. jagadish , olga kapitskaia. venue: vldb j.. year: 2000", "productB": "title: estimating the selectivity of spatial queries using the ` correlation ' fractal dimension. authors: alberto belussi , christos faloutsos. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: adaptive selectivity estimation using query feedback. authors: chung-min chen , nick roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: estimating the selectivity of spatial queries using the ` correlation ' fractal dimension. authors: alberto belussi , christos faloutsos. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: raymond t. ng , divesh srivastava , h. v. jagadish , olga kapitskaia. venue: vldb j.. year: 2000", "productB": "title: on effective multi-dimensional indexing for strings. authors: h. v. jagadish , nick koudas , divesh srivastava. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: a shrinking-based approach for multi-dimensional data analysis. authors: yuqing song , yong shi , aidong zhang. venue: vldb. year: 2003", "productB": "title: on effective multi-dimensional indexing for strings. authors: h. v. jagadish , nick koudas , divesh srivastava. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: qing li , chi-wai fung , kamalakar karlapalem. venue: vldb j.. year: 2003", "productB": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: alfons kemper , reinhard braumandl , jens clau\u00dfen. venue: vldb. year: 1998", "productB": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , pavel a. exarkhopoulo , victor e. segal , jia chen. venue: sigmod conference. year: 1999", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , william d. roome , h. v. jagadish. venue: vldb. year: 1994", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: pesto : an integrated query/browser for object databases. authors: laura m. haas , michael j. carey , vivekananda maganty , john h. williams. venue: vldb. year: 1996", "productB": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: qing li , chi-wai fung , kamalakar karlapalem. venue: vldb j.. year: 2003", "productB": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: chi-wai fung , kamalakar karlapalem , qing li. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": true} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: a database model for object dynamics. authors: m. p. papazoglou , b. j. kr ä mer. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: mosaico-a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m. missikoff , m. toiati. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: mosaico - a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m. toiati , michele missikoff. venue: sigmod conference. year: 1994", "productB": "title: mosaico-a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m. missikoff , m. toiati. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a. formica , h. d. groger , m. missikoff. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a. formica , h. d. groger , m. missikoff. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a. formica , h. d. groger , m. missikoff. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: an efficient method for checking object-oriented database schema correctness. authors: a. formica , h. d. groger , m. missikoff. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: kinji ono , jihad boulos. venue: sigmod record. year: 1999", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: schema and database evolution in the o2 object database system. authors: fabrizio ferrandina , guy ferran , thorsten meyer , roberto zicari , jo\u00eblle madec. venue: vldb. year: 1995", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: kjetil n\u00f8rv\u00e5g. venue: vldb. year: 1999", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , wenyun ji , shihui zheng , hongjun lu , yuqi liang , zengping tian , long zhang. venue: vldb. year: 2001", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the trigs active object-oriented database system - an overview. authors: gerti kappel , werner retschitzegger. venue: sigmod record. year: 1998", "productB": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: a cost model for clustered object-oriented databases. authors: zhao-hui tang , jean-robert gruser , georges gardarin. venue: vldb. year: 1995", "productB": "title: an experimental object-based sharing system for networked databases. authors: doug fang , shahram ghandeharizadeh , dennis mcleod. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: vldb. year: 1994", "productB": "title: an experimental object-based sharing system for networked databases. authors: doug fang , shahram ghandeharizadeh , dennis mcleod. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: sigmod record. year: 2003", "productB": "title: an experimental object-based sharing system for networked databases. authors: doug fang , shahram ghandeharizadeh , dennis mcleod. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: panel : querying networked databases. authors: divesh srivastava , nick koudas. venue: sigmod conference. year: 2003", "productB": "title: an experimental object-based sharing system for networked databases. authors: doug fang , shahram ghandeharizadeh , dennis mcleod. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: selectivity estimation in extensible databases - a neural network approach. authors: shaoyu zhou , m. seetha lakshmi. venue: vldb. year: 1998", "productB": "title: semantic integration in heterogeneous databases using neural networks. authors: wen-syan li , chris clifton. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: chris clifton , wen-syan li. venue: vldb. year: 1994", "productB": "title: semantic integration in heterogeneous databases using neural networks. authors: wen-syan li , chris clifton. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: shivakumar venkataraman , tian zhang. venue: vldb. year: 1998", "productB": "title: semantic integration in heterogeneous databases using neural networks. authors: wen-syan li , chris clifton. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: roberta cochrane , hamid pirahesh , nelson mendon\u00e7a mattos. venue: vldb. year: 1996", "productB": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: daniel barbar á - mill á , hector garcia-molina. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the mariposa distributed database management system. authors: jeff sidell. venue: sigmod record. year: 1996", "productB": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: daniel barbar á - mill á , hector garcia-molina. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , pavel a. exarkhopoulo , victor e. segal , jia chen. venue: sigmod conference. year: 1999", "productB": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: daniel barbar á - mill á , hector garcia-molina. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: roberta cochrane , hamid pirahesh , nelson mendon\u00e7a mattos. venue: vldb. year: 1996", "productB": "title: integrating the ub-tree into a database system kernel. authors: frank ramsak , volker markl , robert fenk , martin zirkel , klaus elhardt , rudolf bayer. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: integrating triggers and declarative constraints in sql database sytems. authors: roberta cochrane , hamid pirahesh , nelson mendon\u00e7a mattos. venue: vldb. year: 1996", "productB": "title: integrating association rule mining with relational database systems : alternatives and implications. authors: sunita sarawagi , shiby thomas , rakesh agrawal. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: navigating large-scale semi-structured data in business portals. authors: michel tourn , man abrol , john wang , grace zhang , jianchang mao , uma mahadevan , rajat mukherjee , prabhakar raghavan , neil latarche. venue: vldb. year: 2001", "productB": "title: navigating large-scale semi-structured data in business portals. authors: man abrol , neil latarche , uma mahadevan , jianchang mao , rajat mukherjee , prabhakar raghavan , michel tourn , john wang , grace zhang. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: view management in multimedia databases. authors: v. s. subrahmanian , eric lemar , k. sel\u00e7uk candan. venue: vldb j.. year: 2000", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: paolo ciaccia , pavel zezula , marco patella. venue: vldb. year: 1997", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: vldb. year: 1997", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: view management in multimedia databases. authors: v. s. subrahmanian , eric lemar , k. sel\u00e7uk candan. venue: vldb j.. year: 2000", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: building knowledge base management systems. authors: thodoros topaloglou , adel shrufi , vinay k. chaudhri , dimitris plexousakis , john mylopoulos. venue: vldb j.. year: 1996", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: david j. dewitt , manish mehta. venue: vldb. year: 1995", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: dwms : data warehouse management system. authors: narendra mohan. venue: vldb. year: 1996", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: aurora : a data stream management system. authors: nesime tatbul , daniel j. abadi , c. erwin , anurag maskey , mitch cherniack , alex rasin , christian convey , a. singer , eduardo f. galvez , r. yan , ugur \u00e7etintemel , ying xing , stanley b. zdonik , michael stonebraker , donald carney , m. hatoun. venue: sigmod conference. year: 2003", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: on-line reorganization in object databases. authors: s. sudarshan , rajeev rastogi , s. seshadri , mohana krishna lakhamraju. venue: sigmod conference. year: 2000", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: strudel : a web-site management system. authors: alon y. levy , mary f. fernandez , jaewoo kang , daniela florescu , dan suciu. venue: sigmod conference. year: 1997", "productB": "title: open object database management systems. authors: jos é a. blakeley. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: view management in multimedia databases. authors: v. s. subrahmanian , eric lemar , k. sel\u00e7uk candan. venue: vldb j.. year: 2000", "productB": "title: indexing multimedia databases. authors: christos faloutsos. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: view management in multimedia databases. authors: v. s. subrahmanian , eric lemar , k. sel\u00e7uk candan. venue: vldb j.. year: 2000", "productB": "title: document management as a database problem. authors: rudolf bayer. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: kinji ono , jihad boulos. venue: sigmod record. year: 1999", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: supporting top-k join queries in relational databases. authors: walid g. aref , ahmed k. elmagarmid , ihab f. ilyas. venue: vldb. year: 2003", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: vldb. year: 1996", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: constructing the next 100 database management systems. authors: andreas geppert , klaus r. dittrich. venue: sigmod record. year: 1994", "productB": "title: on supporting containment queries in relational database management systems. authors: chun zhang , jeffrey naughton , david dewitt , qiong luo , guy lohman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: kinji ono , jihad boulos. venue: sigmod record. year: 1999", "productB": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: implementation of two semantic query optimization techniques in db2 universal database. authors: k. bernhard schiefer , fred koo , t. y. cliff leung , linqi liu , jarek gryz , xiaoyan qian , qi cheng. venue: vldb. year: 1999", "productB": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: kinji ono , jihad boulos. venue: sigmod record. year: 1999", "productB": "title: unisql 's next-generation object-relational database management system. authors: albert d'andrea , phil janus. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: database systems management and oracle8. authors: c. gregory doherty. venue: sigmod conference. year: 1998", "productB": "title: unisql 's next-generation object-relational database management system. authors: albert d'andrea , phil janus. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: semantic integrity support in sql : 1999 and commercial ( object - ) relational database management systems. authors: michael gertz , can t\u00fcrker. venue: vldb j.. year: 2001", "productB": "title: unisql 's next-generation object-relational database management system. authors: albert d'andrea , phil janus. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: cost estimation of user-defined methods in object-relational database systems. authors: kinji ono , jihad boulos. venue: sigmod record. year: 1999", "productB": "title: object-relational database systems ( tutorial ) : principles , products and challenges. authors: michael j. carey , nelson m. mattos , anil k. nori. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: the piazza peer data management project. authors: gerome miklau , jayant madhavan , igor tatarinov , zachary g. ives , xin dong , yana kadiyska , alon y. halevy , nilesh n. dalvi , dan suciu , peter mork. venue: sigmod record. year: 2003", "productB": "title: the piazza peer data management project. authors: igor tatarinov , zachary ives , jayant madhavan , alon halevy , dan suciu , nilesh dalvi , xin ( luna ) dong , yana kadiyska , gerome miklau , peter mork. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: surajit chaudhuri , sanjay agrawal , vivek r. narasayya. venue: vldb. year: 2000", "productB": "title: automated selection of materialized views and indexes in sql databases. authors: sanjay agrawal , surajit chaudhuri , vivek r. narasayya. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: selectivity estimation in spatial databases. authors: viswanath poosala , sridhar ramaswamy , swarup acharya. venue: sigmod conference. year: 1999", "productB": "title: automated selection of materialized views and indexes in sql databases. authors: sanjay agrawal , surajit chaudhuri , vivek r. narasayya. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: materialized views selection in a multidimensional database. authors: ernest teniente , elena baralis , stefano paraboschi. venue: vldb. year: 1997", "productB": "title: automated selection of materialized views and indexes in sql databases. authors: sanjay agrawal , surajit chaudhuri , vivek r. narasayya. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: semi-automatic , self-adaptive control of garbage collection rates in object databases. authors: artur klauser , alexander l. wolf , benjamin g. zorn , jonathan e. cook. venue: sigmod conference. year: 1996", "productB": "title: automated selection of materialized views and indexes in sql databases. authors: sanjay agrawal , surajit chaudhuri , vivek r. narasayya. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: surajit chaudhuri , sanjay agrawal , vivek r. narasayya. venue: vldb. year: 2000", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: sanjay agrawal , surajit chaudhuri , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: materialized view selection for multidimensional datasets. authors: jeffrey f. naughton , amit shukla , prasad deshpande. venue: vldb. year: 1998", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: sanjay agrawal , surajit chaudhuri , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: materialized view selection and maintenance using multi-query optimization. authors: krithi ramamritham , hoshi mistry , prasan roy , s. sudarshan. venue: sigmod conference. year: 2001", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: sanjay agrawal , surajit chaudhuri , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: microsoft index tuning wizard for sql server 7.0. authors: surajit chaudhuri , vivek r. narasayya. venue: sigmod conference. year: 1998", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: sanjay agrawal , surajit chaudhuri , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: merge replication in microsoft 's sql server 7.0. authors: brad hammond. venue: sigmod conference. year: 1999", "productB": "title: materialized view and index selection tool for microsoft sql server 2000. authors: sanjay agrawal , surajit chaudhuri , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: automated selection of materialized views and indexes in sql databases. authors: surajit chaudhuri , sanjay agrawal , vivek r. narasayya. venue: vldb. year: 2000", "productB": "title: materialized views in oracle. authors: randall g. bello , karl dias , alan downing , james j. feenan , jr. , james l. finnerty , william d. norcott , harry sun , andrew witkowski , mohamed ziauddin. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: materialized views selection in a multidimensional database. authors: ernest teniente , elena baralis , stefano paraboschi. venue: vldb. year: 1997", "productB": "title: materialized views in oracle. authors: randall g. bello , karl dias , alan downing , james j. feenan , jr. , james l. finnerty , william d. norcott , harry sun , andrew witkowski , mohamed ziauddin. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: secure and portable database extensibility. authors: tobias mayr , thorsten von eicken , michael w. godfrey , praveen seshadri. venue: sigmod conference. year: 1998", "productB": "title: the montage extensible datablade architecture. authors: michael ubell. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: networked data management design points. authors: james r. hamilton. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: yannis kotidis , nick roussopoulos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: efficient view maintenance at data warehouses. authors: tolga yurek , divyakant agrawal , amr el abbadi , ambuj k. singh. venue: sigmod conference. year: 1997", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: yannis kotidis , nick roussopoulos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: monotonic complements for independent data warehouses. authors: gottfried vossen , jens lechtenb\u00f6rger , dominique laurent , nicolas spyratos. venue: vldb j.. year: 2001", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: yannis kotidis , nick roussopoulos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: tam : a system for dynamic transactional activity management. authors: ling liu , calton pu , tong zhou. venue: sigmod conference. year: 1999", "productB": "title: dynamat : a dynamic view management system for data warehouses. authors: yannis kotidis , nick roussopoulos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: dwms : data warehouse management system. authors: narendra mohan. venue: vldb. year: 1996", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: design and management of data warehouses : report on the dmdw '99 workshop. authors: martin staudt , yannis vassiliou , manfred a. jeusfeld , stella gatziu. venue: sigmod record. year: 1999", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: sigmod conference. year: 1995", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: songting chen , andreas koeller , elke a. rundensteiner , xin zhang , jun chen. venue: sigmod conference. year: 2001", "productB": "title: dwms : data warehouse management system. authors: narendra mohan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: dwms : data warehouse management system. authors: narendra mohan. venue: vldb. year: 1996", "productB": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: sigmod conference. year: 1995", "productB": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: database management systems and the internet. authors: susan malaika. venue: vldb. year: 1996", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: aurora : a data stream management system. authors: d. abadi , d. carney , u. Ç etintemel , 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: international conference on management of data. year: 2003", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: aurora : a data stream management system. authors: d. abadi , d. carney , u. Ç etintemel , 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: international conference on management of data. year: 2003", "same": false} +{"productA": "title: load shedding in a data stream manager. authors: michael stonebraker , nesime tatbul , mitch cherniack , stanley b. zdonik , ugur \u00e7etintemel. venue: vldb. year: 2003", "productB": "title: aurora : a data stream management system. authors: d. abadi , d. carney , u. Ç etintemel , 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: international conference on management of data. year: 2003", "same": false} +{"productA": "title: database management systems and the internet. authors: susan malaika. venue: vldb. year: 1996", "productB": "title: aurora : a data stream management system. authors: d. abadi , d. carney , u. Ç etintemel , 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: international conference on management of data. year: 2003", "same": false} +{"productA": "title: bigsur : a system for the management of earth science data. authors: paul brown , michael stonebraker. venue: vldb. year: 1995", "productB": "title: aurora : a data stream management system. authors: d. abadi , d. carney , u. Ç etintemel , 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: international conference on management of data. year: 2003", "same": false} +{"productA": "title: grid data management systems & services. authors: reagan moore , arun jagatheesan , paul watson , norman w. paton. venue: vldb. year: 2003", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: integrating the ub-tree into a database system kernel. authors: robert fenk , rudolf bayer , volker markl , martin zirkel , frank ramsak , klaus elhardt. venue: vldb. year: 2000", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: data management for earth system science. authors: james frew , jeff dozier. venue: sigmod record. year: 1997", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: geo/environmental and medical data management in the rasdaman system. authors: norbert widmann , paula furtado , peter baumann , roland ritsch. venue: vldb. year: 1997", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: determining text databases to search in the internet. authors: weiyi meng , naphtali rishe , clement t. yu , king-lup liu , xiaodong wang , yuhsi chang. venue: vldb. year: 1998", "productB": "title: database management systems and the internet. authors: susan malaika. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: dynamic multi-resource load balancing in parallel database systems. authors: robert marek , erhard rahm. venue: vldb. year: 1995", "productB": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: masahisa tamura , masaru kitsuregawa. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: vldb. year: 1996", "productB": "title: dynamic load balancing for parallel association rule mining on heterogenous pc cluster systems. authors: masahisa tamura , masaru kitsuregawa. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: dynamic multi-resource load balancing in parallel database systems. authors: robert marek , erhard rahm. venue: vldb. year: 1995", "productB": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: towards self-tuning data placement in parallel database systems. authors: mong-li lee , beng chin ooi , anirban mondal , kian-lee tan , masaru kitsuregawa. venue: sigmod conference. year: 2000", "productB": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: sigmod conference. year: 1994", "productB": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: the ecrc multi database system. authors: heribert sch\u00fctz , willem jonker. venue: sigmod conference. year: 1995", "productB": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: partitioned garbage collection of large object store. authors: barbara liskov , umesh maheshwari. venue: sigmod conference. year: 1997", "productB": "title: partition selection policies in object database garbage collection. authors: jonathan e. cook , alexander l. wolf , benjamin g. zorn. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: semi-automatic , self-adaptive control of garbage collection rates in object databases. authors: artur klauser , alexander l. wolf , benjamin g. zorn , jonathan e. cook. venue: sigmod conference. year: 1996", "productB": "title: partition selection policies in object database garbage collection. authors: jonathan e. cook , alexander l. wolf , benjamin g. zorn. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: tods reviewers. authors: richard t. snodgrass. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: call for book reviews. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: tods reviewers. authors: richard t. snodgrass. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: call for book reviews. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: lambda-db : an odmg-based object-oriented dbms. authors: arvind rajendran , david maier , leonidas fegaras , chandrasekhar srinivasan. venue: sigmod conference. year: 2000", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: query processing in spatial network databases. authors: nikos mamoulis , jun zhang , dimitris papadias , yufei tao. venue: vldb. year: 2003", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dac khoa doan , alistair c. kilgour , norman w. paton. venue: sigmod record. year: 1995", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: s. sudarshan , prasan roy , abraham silberschatz , srinivas ashwin , s. seshadri. venue: vldb j.. year: 1998", "productB": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: lambda-db : an odmg-based object-oriented dbms. authors: arvind rajendran , david maier , leonidas fegaras , chandrasekhar srinivasan. venue: sigmod conference. year: 2000", "productB": "title: lambda-db : an odmg-based object-oriented dbms. authors: leonidas fegaras , chandrasekhar srinivasan , arvind rajendran , david maier. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: lambda-db : an odmg-based object-oriented dbms. authors: leonidas fegaras , chandrasekhar srinivasan , arvind rajendran , david maier. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: lambda-db : an odmg-based object-oriented dbms. authors: leonidas fegaras , chandrasekhar srinivasan , arvind rajendran , david maier. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: arturo jaime , oscar d\u00edaz. venue: vldb j.. year: 1997", "productB": "title: lambda-db : an odmg-based object-oriented dbms. authors: leonidas fegaras , chandrasekhar srinivasan , arvind rajendran , david maier. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: lambda-db : an odmg-based object-oriented dbms. authors: arvind rajendran , david maier , leonidas fegaras , chandrasekhar srinivasan. venue: sigmod conference. year: 2000", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: david j. dewitt , navin kabra. venue: vldb j.. year: 1999", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: arturo jaime , oscar d\u00edaz. venue: vldb j.. year: 1997", "productB": "title: exact : an extensible approach to active object-oriented databases. authors: oscar d í az , arturo jaime. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": true} +{"productA": "title: lh * - a scalable , distributed data structure. authors: donovan a. schneider , marie-anne neimat , witold litwin. venue: acm trans . database syst .. year: 1996", "productB": "title: lh * - a scalable , distributed data structure. authors: witold litwin , marie-anna neimat , donovan a. schneider. venue: acm transactions on database systems ( tods ). year: 1996", "same": true} +{"productA": "title: the wasa2 object-oriented workflow management system. authors: mathias weske , gottfried vossen. venue: sigmod conference. year: 1999", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , pavel a. exarkhopoulo , victor e. segal , jia chen. venue: sigmod conference. year: 1999", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: document management as a database problem. authors: rudolf bayer. venue: vldb. year: 1995", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: sigmod record. year: 2003", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: strudel : a web-site management system. authors: alon y. levy , mary f. fernandez , jaewoo kang , daniela florescu , dan suciu. venue: sigmod conference. year: 1997", "productB": "title: the ores temporal database management system. authors: babis theodoulidis , aziz ait-braham , george andrianopoulos , jayant chaudhary , george karvelis , simon sou. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the wasa2 object-oriented workflow management system. authors: mathias weske , gottfried vossen. venue: sigmod conference. year: 1999", "productB": "title: a goal-driven auto-configuration tool for the distributed workflow management system mentorlite. authors: michael gillmann , jeanine weissenfels , german shegalov , wolfgang wonner , gerhard weikum. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the wasa2 object-oriented workflow management system. authors: mathias weske , gottfried vossen. venue: sigmod conference. year: 1999", "productB": "title: the araneus web-based management system. authors: g. mecca , p. atzeni , a. masci , g. sindoni , p. merialdo. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: strudel : a web-site management system. authors: alon y. levy , mary f. fernandez , jaewoo kang , daniela florescu , dan suciu. venue: sigmod conference. year: 1997", "productB": "title: the araneus web-based management system. authors: g. mecca , p. atzeni , a. masci , g. sindoni , p. merialdo. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: the wasa2 object-oriented workflow management system. authors: mathias weske , gottfried vossen. venue: sigmod conference. year: 1999", "productB": "title: the wasa2 object-oriented workflow management system. authors: gottfried vossen , mathias weske. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , pavel a. exarkhopoulo , victor e. segal , jia chen. venue: sigmod conference. year: 1999", "productB": "title: the wasa2 object-oriented workflow management system. authors: gottfried vossen , mathias weske. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: stefano paraboschi , stefano ceri , fabio casati , giuseppe pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: the wasa2 object-oriented workflow management system. authors: gottfried vossen , mathias weske. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the wasa2 object-oriented workflow management system. authors: mathias weske , gottfried vossen. venue: sigmod conference. year: 1999", "productB": "title: the mariposa distributed database management system. authors: jeff sidell. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: the multidimensional database system rasdaman. authors: andreas dehmel , peter baumann , norbert widmann , roland ritsch , paula furtado. venue: sigmod conference. year: 1998", "productB": "title: the mariposa distributed database management system. authors: jeff sidell. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: sigmod conference. year: 1995", "productB": "title: the mariposa distributed database management system. authors: jeff sidell. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: the mariposa distributed database management system. authors: jeff sidell. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: the mariposa distributed database management system. authors: jeff sidell. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: aries/csa : a method for database recovery in client-server architectures. authors: c. mohan , inderpal narang. venue: sigmod conference. year: 1994", "productB": "title: aries/csa : a method for database recovery in client-server architectures. authors: c. mohan , inderpal narang. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: julie basu , arthur m. keller. venue: vldb j.. year: 1996", "productB": "title: aries/csa : a method for database recovery in client-server architectures. authors: c. mohan , inderpal narang. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: binding propagation in disjunctive databases. authors: sergio greco. venue: vldb. year: 1998", "productB": "title: binding propagation in disjunctive databases. authors: sergio greco. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: binding propagation in disjunctive databases. authors: sergio greco. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: binding propagation in disjunctive databases. authors: sergio greco. venue: vldb. year: 1998", "productB": "title: space optimization in deductive databases. authors: divesh srivastava , s. sudarshan , raghu ramakrishnan , jeffrey f. naughton. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: effective timestamping in databases. authors: christian s. jensen , kristian torp , richard t. snodgrass. venue: vldb j.. year: 2000", "productB": "title: space optimization in deductive databases. authors: divesh srivastava , s. sudarshan , raghu ramakrishnan , jeffrey f. naughton. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: on-line reorganization in object databases. authors: s. sudarshan , rajeev rastogi , s. seshadri , mohana krishna lakhamraju. venue: sigmod conference. year: 2000", "productB": "title: space optimization in deductive databases. authors: divesh srivastava , s. sudarshan , raghu ramakrishnan , jeffrey f. naughton. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: vldb. year: 1997", "productB": "title: space optimization in deductive databases. authors: divesh srivastava , s. sudarshan , raghu ramakrishnan , jeffrey f. naughton. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: optimizing multi-feature queries for image databases. authors: ulrich g\u00fcntzer , werner kie\u00dfling , wolf-tilo balke. venue: vldb. year: 2000", "productB": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: jeffrey xu yu , weifa liang , maria e. orlowska. venue: vldb j.. year: 2000", "productB": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: banks : browsing and keyword searching in relational databases. authors: arvind hulgeri , gaurav bhalotia , soumen chakrabarti , parag , s. sudarshan , charuta nakhe , b. aditya. venue: vldb. year: 2002", "productB": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: daniel barbar\u00e1 , mark sullivan. venue: sigmod record. year: 1997", "productB": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: querying a multilevel database : a logical analysis. authors: fr\u00e9d\u00e9ric cuppens. venue: vldb. year: 1996", "productB": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: optimizing multi-feature queries for image databases. authors: ulrich g\u00fcntzer , werner kie\u00dfling , wolf-tilo balke. venue: vldb. year: 2000", "productB": "title: optimizing queries across diverse data sources. authors: laura m. haas , donald kossmann , edward l. wimmers , jun yang. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , donald kossmann , daniela florescu. venue: vldb. year: 2001", "productB": "title: optimizing queries across diverse data sources. authors: laura m. haas , donald kossmann , edward l. wimmers , jun yang. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: jeffrey xu yu , weifa liang , maria e. orlowska. venue: vldb j.. year: 2000", "productB": "title: optimizing queries across diverse data sources. authors: laura m. haas , donald kossmann , edward l. wimmers , jun yang. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: optimizing multi-feature queries for image databases. authors: ulrich g\u00fcntzer , werner kie\u00dfling , wolf-tilo balke. venue: vldb. year: 2000", "productB": "title: combining multi-visual features for efficient indexing in a large image database. authors: anne h. h. ngu , quan z. sheng , du q. huynh , ron lei. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: optimizing multi-feature queries for image databases. authors: ulrich g\u00fcntzer , werner kie\u00dfling , wolf-tilo balke. venue: vldb. year: 2000", "productB": "title: optimal clip ordering for multi-clip queries. authors: raymond t. ng , paul shum. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: optimal clip ordering for multi-clip queries. authors: raymond t. ng , paul shum. venue: vldb j.. year: 1998", "productB": "title: optimal clip ordering for multi-clip queries. authors: raymond t. ng , paul shum. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": true} +{"productA": "title: distance-based outliers : algorithms and applications. authors: v. tucakov , raymond t. ng , edwin m. knorr. venue: vldb j.. year: 2000", "productB": "title: finding intensional knowledge of distance-based outliers. authors: edwin m. knorr , raymond t. ng. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: distance-based outliers : algorithms and applications. authors: v. tucakov , raymond t. ng , edwin m. knorr. venue: vldb j.. year: 2000", "productB": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: charu c. aggarwal. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: distance-based outliers : algorithms and applications. authors: v. tucakov , raymond t. ng , edwin m. knorr. venue: vldb j.. year: 2000", "productB": "title: distributed processing over stand-alone systems and applications. authors: gustavo alonso , claus hagen , hans-j ö rg schek , markus tresch. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: distributed top-n query processing with possibly uncooperative local systems. authors: clement t. yu , weiyi meng , george philip. venue: vldb. year: 2003", "productB": "title: distributed processing over stand-alone systems and applications. authors: gustavo alonso , claus hagen , hans-j ö rg schek , markus tresch. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: infoharness : a system for search and retrieval of heterogeneous information. authors: amit p. sheth , vipul kashyap , satish thatte , leon a. shklar. venue: sigmod conference. year: 1995", "productB": "title: infoharness : a system for search and retrieval of heterogeneous information. authors: leon shklar , amit sheth , vipul kashyap , satish thatte. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: information systems research at rwth aachen. authors: matthias jarke. venue: sigmod record. year: 1995", "productB": "title: infoharness : a system for search and retrieval of heterogeneous information. authors: leon shklar , amit sheth , vipul kashyap , satish thatte. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: infoharness : a system for search and retrieval of heterogeneous information. authors: amit p. sheth , vipul kashyap , satish thatte , leon a. shklar. venue: sigmod conference. year: 1995", "productB": "title: xml and information retrieval : a sigir 2000 workshop. authors: david carmel , yoelle maarek , aya soffer. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: lore : a lightweight object repository for semistructured data. authors: janet l. wiener , jason mchugh , serge abiteboul , qingshan luo , anand rajaraman , dallan quass , jeffrey d. ullman , roy goldman , hugo rivero , jennifer widom , svetlozar nestorov , kevin haas. venue: sigmod conference. year: 1996", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: query rewriting for semistructured data. authors: vasilis vassalos , yannis papakonstantinou. venue: sigmod conference. year: 1999", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: semantic integration of semistructured and structured data sources. authors: sonia bergamaschi , maurizio vincini , silvana castano. venue: sigmod record. year: 1999", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: foreword : management of semistructured data. authors: dan suciu. venue: sigmod record. year: 1997", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: extracting schema from semistructured data. authors: serge abiteboul , rajeev motwani , svetlozar nestorov. venue: sigmod conference. year: 1998", "productB": "title: storing semistructured data with stored. authors: alin deutsch , mary fernandez , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: lore : a lightweight object repository for semistructured data. authors: janet l. wiener , jason mchugh , serge abiteboul , qingshan luo , anand rajaraman , dallan quass , jeffrey d. ullman , roy goldman , hugo rivero , jennifer widom , svetlozar nestorov , kevin haas. venue: sigmod conference. year: 1996", "productB": "title: management of semistructured data. authors: dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b\u00f6hlen , christian s. jensen. venue: vldb. year: 1999", "productB": "title: management of semistructured data. authors: dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: vqbd : exploring semistructured data. authors: jihwang yeo , sudarshan s. chawathe , thomas baby. venue: sigmod conference. year: 2001", "productB": "title: management of semistructured data. authors: dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: vasilis vassalos , janet l. wiener , michael rys , serge abiteboul , jason mchugh. venue: vldb. year: 1998", "productB": "title: management of semistructured data. authors: dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: lore : a lightweight object repository for semistructured data. authors: janet l. wiener , jason mchugh , serge abiteboul , qingshan luo , anand rajaraman , dallan quass , jeffrey d. ullman , roy goldman , hugo rivero , jennifer widom , svetlozar nestorov , kevin haas. venue: sigmod conference. year: 1996", "productB": "title: vqbd : exploring semistructured data. authors: sudarshan s. chawathe , thomas baby , jihwang yoo. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: vqbd : exploring semistructured data. authors: sudarshan s. chawathe , thomas baby , jihwang yoo. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: lore : a database management system for semistructured data. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. venue: sigmod record. year: 1997", "productB": "title: vqbd : exploring semistructured data. authors: sudarshan s. chawathe , thomas baby , jihwang yoo. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: lore : a lightweight object repository for semistructured data. authors: janet l. wiener , jason mchugh , serge abiteboul , qingshan luo , anand rajaraman , dallan quass , jeffrey d. ullman , roy goldman , hugo rivero , jennifer widom , svetlozar nestorov , kevin haas. venue: sigmod conference. year: 1996", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: infering structure in semistructured data. authors: rajeev motwani , serge abiteboul , svetlozar nestorov. venue: sigmod record. year: 1997", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b\u00f6hlen , christian s. jensen. venue: vldb. year: 1999", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: foreword : management of semistructured data. authors: dan suciu. venue: sigmod record. year: 1997", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: updates for structure indexes. authors: jeffrey f. naughton , pradeep shenoy , raghav kaushik , philip bohannon. venue: vldb. year: 2002", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: adaptive index structures. authors: yufei tao , dimitris papadias. venue: vldb. year: 2002", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: constraints for semi-structured data and xml. authors: wenfei fan , peter buneman , scott weinstein , j\u00e9r\u00f4me sim\u00e9on. venue: sigmod record. year: 2001", "productB": "title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: sql/xml is making good progress. authors: andrew eisenberg , jim melton. venue: sigmod record. year: 2002", "productB": "title: sql/xml is making good progress. authors: andrew eisenberg , jim melton. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: disima : a distributed and interoperable image database system. authors: vincent oria , m. tamer Ö zsu , paul j. iglinski , shu lin , bin yao. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: disima : a distributed and interoperable image database system. authors: vincent oria , m. tamer Ö zsu , paul j. iglinski , shu lin , bin yao. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodriguez-martinez , nick roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: disima : a distributed and interoperable image database system. authors: vincent oria , m. tamer Ö zsu , paul j. iglinski , shu lin , bin yao. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: priority assignment in real-time active databases. authors: rajendran m. sivasankaran , john a. stankovic , don towsley , bhaskar purimetla , krithi ramamritham. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: integrating temporal , real-time , and active databases. authors: john a. stankovic , krithi ramamritham , ming xiong , rajendran m. sivasankaran , donald f. towsley. venue: sigmod record. year: 1996", "productB": "title: priority assignment in real-time active databases. authors: rajendran m. sivasankaran , john a. stankovic , don towsley , bhaskar purimetla , krithi ramamritham. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: applying update streams in a soft real-time database system. authors: b. adelberg , h. garcia-molina , b. kao. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996", "productB": "title: applying update streams in a soft real-time database system. authors: b. adelberg , h. garcia-molina , b. kao. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: index concurrency control in firm real-time database systems. authors: brajesh goyal , s. seshadri , v. srinivasan , jayant r. haritsa. venue: vldb. year: 1995", "productB": "title: applying update streams in a soft real-time database system. authors: b. adelberg , h. garcia-molina , b. kao. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: mariposa : a wide-area distributed database system. authors: michael stonebraker , paul m. aoki , witold litwin , avi pfeffer , adam sah , jeff sidell , carl staelin , andrew yu. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodriguez-martinez , nick roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mariposa : a wide-area distributed database system. authors: michael stonebraker , paul m. aoki , witold litwin , avi pfeffer , adam sah , jeff sidell , carl staelin , andrew yu. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: the mariposa distributed database management system. authors: jeff sidell. venue: sigmod record. year: 1996", "productB": "title: mariposa : a wide-area distributed database system. authors: michael stonebraker , paul m. aoki , witold litwin , avi pfeffer , adam sah , jeff sidell , carl staelin , andrew yu. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: mariposa : a wide-area distributed database system. authors: carl staelin , paul m. aoki , witold litwin , michael stonebraker , adam sah , jeff sidell , andrew yu , avi pfeffer. venue: vldb j.. year: 1996", "productB": "title: mariposa : a wide-area distributed database system. authors: michael stonebraker , paul m. aoki , witold litwin , avi pfeffer , adam sah , jeff sidell , carl staelin , andrew yu. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": true} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: a language based multidatabase system. authors: konrad schwarz , eva k\u00fchn , thomas tschernko. venue: sigmod conference. year: 1994", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: belief reasoning in mls deductive databases. authors: hasan m. jamil. venue: sigmod conference. year: 1999", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: parallel database systems 101. authors: jim gray. venue: sigmod conference. year: 1995", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the naos system. authors: christine collet , thierry coupaye. venue: sigmod conference. year: 1995", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the trigs active object-oriented database system - an overview. authors: gerti kappel , werner retschitzegger. venue: sigmod record. year: 1998", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: sigmod conference. year: 1994", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: sigmod conference. year: 2001", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the ecrc multi database system. authors: heribert sch\u00fctz , willem jonker. venue: sigmod conference. year: 1995", "productB": "title: the aditi deductive database system. authors: jayen vaghani , kotagiri ramamohanarao , david b. kemp , zoltan somogyi , peter j. stuckey , tim s. leask , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: deadlock detection in distributed database systems : a new algorithm and a comparative performance analysis. authors: natalija krivokapi ć , alfons kemper , ehud gudes. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: deeds towards a distributed and active real-time database system. authors: joakim eriksson , jonas mellin , sten andler , mikael berndtsson , bengt eftring , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: integrating temporal , real-time , an active databases. authors: krithi ramamritham , raju sivasankaran , john a. stankovic , don t. towsley , ming xiong. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: integrating temporal , real-time , an active databases. authors: krithi ramamritham , raju sivasankaran , john a. stankovic , don t. towsley , ming xiong. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: outlier detection for high dimensional data. authors: charu c. aggarwal , philip s. yu. venue: sigmod conference. year: 2001", "productB": "title: hd-eye : visual clustering of high dimensional data. authors: alexander hinneburg , daniel a. keim , markus wawryniuk. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: xmdvtool : visual interactive data exploration and trend discovery of high-dimensional data sets. authors: elke a. rundensteiner , punit r. doshi , jing yang , matthew o. ward. venue: sigmod conference. year: 2002", "productB": "title: hd-eye : visual clustering of high dimensional data. authors: alexander hinneburg , daniel a. keim , markus wawryniuk. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: finding generalized projected clusters in high dimensional spaces. authors: charu c. aggarwal , philip s. yu. venue: sigmod conference. year: 2000", "productB": "title: hd-eye : visual clustering of high dimensional data. authors: alexander hinneburg , daniel a. keim , markus wawryniuk. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: outlier detection for high dimensional data. authors: charu c. aggarwal , philip s. yu. venue: sigmod conference. year: 2001", "productB": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: rakesh agrawal , johannes gehrke , dimitrios gunopulos , prabhakar raghavan. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": true} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: versioning and configuration management in an object-oriented data model. authors: edward sciore. venue: vldb j.. year: 1994", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: tore risch , vanja josifovski. venue: vldb. year: 1999", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: gautam das , sanjay agrawal , surajit chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: converting relational to object-oriented databases. authors: joseph fong. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: vanja josifovski , tore risch. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: vanja josifovski , tore risch. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: chris clifton , wen-syan li. venue: vldb. year: 1994", "productB": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: vanja josifovski , tore risch. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: integrating heterogenous overlapping databases through object-oriented transformations. authors: vanja josifovski , tore risch. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: pixel-oriented database visualizations. authors: daniel a. keim. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: a taxonomy for secure object-oriented databases. authors: sebastiaan h. von solms , martin s. olivier. venue: acm trans . database syst .. year: 1994", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: sideway value algebra for object-relational databases. authors: z. meral \u00f6zsoyoglu , gultekin \u00f6zsoyoglu , abdullah al-hamdani , \u00f6zg\u00fcr ulusoy , selma ayse \u00f6zel , ismail seng\u00f6r alting\u00f6vde. venue: vldb. year: 2002", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: efficiently instantiating view-objects from remote relational databases. authors: gio wiederhold , byung suk lee. venue: vldb j.. year: 1994", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: extracting structured data from web pages. authors: arvind arasu , hector garcia-molina. venue: sigmod conference. year: 2003", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: s. sudarshan , prasan roy , abraham silberschatz , srinivas ashwin , s. seshadri. venue: vldb j.. year: 1998", "productB": "title: extraction of object-oriented structures from existing relational databases. authors: shekar ramanathan , julia hodges. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: the ccube constraint object-oriented database system. authors: alexander brodsky , pavel a. exarkhopoulo , victor e. segal , jia chen. venue: sigmod conference. year: 1999", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: thierry coupaye , t. svensen , christine collet. venue: vldb. year: 1994", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: xsb as an efficient deductive database engine. authors: david scott warren , konstantinos f. sagonas , terrance swift. venue: sigmod conference. year: 1994", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: an introduction to deductive database languages and systems. authors: kotagiri ramamohanarao , james harland. venue: vldb j.. year: 1994", "productB": "title: an effective deductive object-oriented database through language integration. authors: maria l. barja , norman w. paton , alvaro a. a. fernandes , m. howard williams , andrew dinn. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: versioning and configuration management in an object-oriented data model. authors: edward sciore. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: converting relational to object-oriented databases. authors: joseph fong. venue: sigmod record. year: 1997", "productB": "title: efficiently instantiating view-objects from remote relational databases. authors: byung suk lee , gio wiederhold. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: efficient ir-style keyword search over relational databases. authors: yannis papakonstantinou , luis gravano , vagelis hristidis. venue: vldb. year: 2003", "productB": "title: efficiently instantiating view-objects from remote relational databases. authors: byung suk lee , gio wiederhold. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: a database model for object dynamics. authors: mike p. papazoglou , bernd j. kr\u00e4mer. venue: vldb j.. year: 1997", "productB": "title: an annotated bibliography of benchmarks for object databases. authors: akmal b. chaudhri. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an annotated bibliography on active databases. authors: johann christoph freytag , ulrike jaeger. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography of benchmarks for object databases. authors: akmal b. chaudhri. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: editorial. authors: peter m. g. apers , stefano ceri , richard t. snodgrass. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: paolo atzeni , alberto o. mendelzon. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: guest editorial. authors: kyu-young whang , gunter schlageter , amr el abbadi. venue: vldb j.. year: 2001", "productB": "title: guest editorial. authors: paolo atzeni , alberto o. mendelzon. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: vldb j.. year: 2003", "productB": "title: guest editorial. authors: paolo atzeni , alberto o. mendelzon. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: editorial. authors: peter m. g. apers , stefano ceri , richard t. snodgrass. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: vldb j.. year: 2003", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": true} +{"productA": "title: editorial. authors: richard t. snodgrass. venue: acm trans . database syst .. year: 2001", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editorial. authors: alon y. halevy. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editor 's introduction. authors: asuman dogac. venue: sigmod record. year: 2002", "productB": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: editorial. authors: peter m. g. apers , stefano ceri , richard t. snodgrass. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: matthias jarke. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: guest editor 's introduction. authors: asuman dogac. venue: sigmod record. year: 1998", "productB": "title: guest editorial. authors: matthias jarke. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: guest editorial. authors: kyu-young whang , gunter schlageter , amr el abbadi. venue: vldb j.. year: 2001", "productB": "title: guest editorial. authors: matthias jarke. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: editorial. authors: richard t. snodgrass. venue: acm trans . database syst .. year: 2001", "productB": "title: guest editorial. authors: matthias jarke. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: guest editorial. authors: alon y. halevy. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: matthias jarke. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: editorial. authors: peter m. g. apers , stefano ceri , richard t. snodgrass. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: guest editorial. authors: alon y. halevy. venue: vldb j.. year: 2002", "productB": "title: guest editorial. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": true} +{"productA": "title: e-services - guest editorial. authors: dimitrios georgakopoulos , ming-chien shan , fabio casati. venue: vldb j.. year: 2001", "productB": "title: guest editorial. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: rate-based query optimization for streaming information sources. authors: jeffrey f. naughton , stratis viglas. venue: sigmod conference. year: 2002", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: surajit chaudhuri , gautam das , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: icicles : self-tuning samples for approximate query answering. authors: venkatesh ganti , raghu ramakrishnan , mong-li lee. venue: vldb. year: 2000", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: surajit chaudhuri , gautam das , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries. authors: anna c. gilbert , martin strauss , yannis kotidis , s. muthukrishnan. venue: vldb. year: 2001", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: surajit chaudhuri , gautam das , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: dimitrios gunopulos , nick koudas , divesh srivastava , michail vlachos , sudipto guha. venue: vldb. year: 2003", "productB": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: surajit chaudhuri , gautam das , vivek narasayya. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: rate-based query optimization for streaming information sources. authors: jeffrey f. naughton , stratis viglas. venue: sigmod conference. year: 2002", "productB": "title: rate-based query optimization for streaming information sources. authors: stratis d. viglas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: rate-based query optimization for streaming information sources. authors: stratis d. viglas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: querying heterogeneous information sources using source descriptions. authors: anand rajaraman , alon y. levy , joann j. ordille. venue: vldb. year: 1996", "productB": "title: rate-based query optimization for streaming information sources. authors: stratis d. viglas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: rate-based query optimization for streaming information sources. authors: stratis d. viglas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: rate-based query optimization for streaming information sources. authors: jeffrey f. naughton , stratis viglas. venue: sigmod conference. year: 2002", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the implementation and performance of compressed databases. authors: till westmann , sven helmer , guido moerkotte , donald kossmann. venue: sigmod record. year: 2000", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: query optimization by predicate move-around. authors: inderpal singh mumick , alon y. levy , yehoshua sagiv. venue: vldb. year: 1994", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: data compression support in databases. authors: david wilhite , balakrishna r. iyer. venue: vldb. year: 1994", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: shivakumar venkataraman , tian zhang. venue: vldb. year: 1998", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: delaunay : a database visualization system. authors: kirby zhang , isabel f. cruz , michael averbuch , wendy t. lucas , melissa radzyminski. venue: sigmod conference. year: 1997", "productB": "title: query optimization in compressed database systems. authors: zhiyuan chen , johannes gehrke , flip korn. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: effective timestamping in databases. authors: christian s. jensen , kristian torp , richard t. snodgrass. venue: vldb j.. year: 2000", "productB": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: junghwan oh , kien a. hua. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: combining multi-visual features for efficient indexing in a large image database. authors: quan z. sheng , anne h. h. ngu , ron lei , du q. huynh. venue: vldb j.. year: 2001", "productB": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: junghwan oh , kien a. hua. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: effective timestamping in databases. authors: christian s. jensen , kristian torp , richard t. snodgrass. venue: vldb j.. year: 2000", "productB": "title: fast subsequence matching in time-series databases. authors: christos faloutsos , m. ranganathan , yannis manolopoulos. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: effective timestamping in databases. authors: christian s. jensen , kristian torp , richard t. snodgrass. venue: vldb j.. year: 2000", "productB": "title: transaction timestamping in ( temporal ) databases. authors: christian s. jensen , david b. lomet. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: sigmod conference. year: 1997", "productB": "title: transaction timestamping in ( temporal ) databases. authors: christian s. jensen , david b. lomet. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: effective timestamping in databases. authors: christian s. jensen , kristian torp , richard t. snodgrass. venue: vldb j.. year: 2000", "productB": "title: effective timestamping in databases. authors: kristian torp , christian s. jensen , richard thomas snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": true} +{"productA": "title: belief reasoning in mls deductive databases. authors: hasan m. jamil. venue: sigmod conference. year: 1999", "productB": "title: effective timestamping in databases. authors: kristian torp , christian s. jensen , richard thomas snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: distance browsing in spatial databases. authors: hanan samet , g\u00edsli r. hjaltason. venue: acm trans . database syst .. year: 1999", "productB": "title: effective timestamping in databases. authors: kristian torp , christian s. jensen , richard thomas snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: kien a. hua , jung-hwan oh. venue: sigmod conference. year: 2000", "productB": "title: effective timestamping in databases. authors: kristian torp , christian s. jensen , richard thomas snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: efficient computation of iceberg cubes with complex measures. authors: guozhu dong , jian pei , jiawei han , ke wang. venue: sigmod conference. year: 2001", "productB": "title: fast computation of sparse datacubes. authors: kenneth a. ross , divesh srivastava. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: social , educational , and governmental change enabled through information technology. authors: michael eitan , valerie gregg , carlo batini , d. b. phatak , yeha el atfi , krithi ramamritham. venue: vldb. year: 2000", "productB": "title: social , educational , and governmental change enabled through information technology. authors: krithi ramamritham , yeha el atfi , carlo batini , michael eitan , valerie gregg , d. b. phatak. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: infering structure in semistructured data. authors: rajeev motwani , serge abiteboul , svetlozar nestorov. venue: sigmod record. year: 1997", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodriguez-martinez , nick roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: query rewriting for semistructured data. authors: vasilis vassalos , yannis papakonstantinou. venue: sigmod conference. year: 1999", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: vqbd : exploring semistructured data. authors: jihwang yeo , sudarshan s. chawathe , thomas baby. venue: sigmod conference. year: 2001", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: constructing the next 100 database management systems. authors: andreas geppert , klaus r. dittrich. venue: sigmod record. year: 1994", "productB": "title: lore : a database management system for semistructured data. authors: jason mchugh , serge abiteboul , roy goldman , dallas quass , jennifer widom. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: sigmod conference. year: 1995", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: type classification of semi-structured documents. authors: allen luniewski , markus tresch , neal palmer. venue: vldb. year: 1995", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: semantic b2b integration : issues in ontology-based applications. authors: zhan cui , paul o'brien , dean m. jones. venue: sigmod record. year: 2002", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: miro web : integrating multiple data sources through semistructured data types. authors: fei sha , tatiana chan-sine-ying , georges gardarin , tuyet-tram dang-ngoc , jean-luc darroux , luc bouganim. venue: vldb. year: 1999", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: searching and mining fine-grained semi-structured data. authors: soumen chakrabarti. venue: vldb. year: 2002", "productB": "title: semantic integration of semistructured and structured data sources. authors: s. bergamaschi , s. castano , m. vincini. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b ö hlen , christian s. jensen. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: a fast index for semistructured data. authors: brian cooper , g\u00edsli r. hjaltason , michael j. franklin , neal sample , moshe shadmon. venue: vldb. year: 2001", "productB": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b ö hlen , christian s. jensen. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: inferring structure in semistructured data. authors: svetlozer nestorov , serge abiteboul , rajeev motwani. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: semistructured und structured data in the web : going back and forth. authors: paolo merialdo , giansalvatore mecca , paolo atzeni. venue: sigmod record. year: 1997", "productB": "title: inferring structure in semistructured data. authors: svetlozer nestorov , serge abiteboul , rajeev motwani. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b\u00f6hlen , christian s. jensen. venue: vldb. year: 1999", "productB": "title: inferring structure in semistructured data. authors: svetlozer nestorov , serge abiteboul , rajeev motwani. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: vqbd : exploring semistructured data. authors: jihwang yeo , sudarshan s. chawathe , thomas baby. venue: sigmod conference. year: 2001", "productB": "title: inferring structure in semistructured data. authors: svetlozer nestorov , serge abiteboul , rajeev motwani. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: extracting and exploiting structure in text search. authors: prabhakar raghavan. venue: sigmod conference. year: 2003", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: brad adelberg. venue: sigmod conference. year: 1998", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: storing semistructured data with stored. authors: alin deutsch , mary f. fernandez , dan suciu. venue: sigmod conference. year: 1999", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b\u00f6hlen , christian s. jensen. venue: vldb. year: 1999", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data. authors: sacha berger , christoph wieser , sebastian schaffert , fran\u00e7ois bry. venue: vldb. year: 2003", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: searching and mining fine-grained semi-structured data. authors: soumen chakrabarti. venue: vldb. year: 2002", "productB": "title: extracting schema from semistructured data. authors: svetlozar nestorov , serge abiteboul , rajeev motwani. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: semistructured and structured data in the web : going back and forth. authors: paolo atzeni , giansalvatore mecca , paolo merialdo. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: vqbd : exploring semistructured data. authors: jihwang yeo , sudarshan s. chawathe , thomas baby. venue: sigmod conference. year: 2001", "productB": "title: semistructured and structured data in the web : going back and forth. authors: paolo atzeni , giansalvatore mecca , paolo merialdo. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: describing semistructured data. authors: luca cardelli. venue: sigmod record. year: 2001", "productB": "title: constraints for semistructured data and xml. authors: peter buneman , wenfei fan , j é r ô me sim é on , scott weinstein. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: mary f. fernandez , peter buneman , dan suciu. venue: vldb j.. year: 2000", "productB": "title: constraints for semistructured data and xml. authors: peter buneman , wenfei fan , j é r ô me sim é on , scott weinstein. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: statistical synopses for graph-structured xml databases. authors: minos n. garofalakis , neoklis polyzotis. venue: sigmod conference. year: 2002", "productB": "title: constraints for semistructured data and xml. authors: peter buneman , wenfei fan , j é r ô me sim é on , scott weinstein. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: structure and value synopses for xml data graphs. authors: neoklis polyzotis , minos n. garofalakis. venue: vldb. year: 2002", "productB": "title: constraints for semistructured data and xml. authors: peter buneman , wenfei fan , j é r ô me sim é on , scott weinstein. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: transparent mid-tier database caching in sql server. authors: per-\u00e5ke larson , jingren zhou , jonathan goldstein. venue: sigmod conference. year: 2003", "productB": "title: transparent mid-tier database caching in sql server. authors: per - Å ke larson , jonathan goldstein , jingren zhou. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: dbcache : database caching for web application servers. authors: sailesh krishnamurthy , c. mohan , larry brown , hamid pirahesh , mehmet altinel , honguk woo , qiong luo , bruce g. lindsay. venue: sigmod conference. year: 2002", "productB": "title: transparent mid-tier database caching in sql server. authors: per - Å ke larson , jonathan goldstein , jingren zhou. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: transparent mid-tier database caching in sql server. authors: per-\u00e5ke larson , jingren zhou , jonathan goldstein. venue: sigmod conference. year: 2003", "productB": "title: middle-tier database caching for e-business. authors: qiong luo , sailesh krishnamurthy , c. mohan , hamid pirahesh , honguk woo , bruce g. lindsay , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: dbcache : middle-tier database caching for highly scalable e-business architectures. authors: c. mohan , sailesh krishnamurthy , mehmet altinel , christof bornh\u00f6vd , hamid pirahesh , berthold reinwald. venue: sigmod conference. year: 2003", "productB": "title: middle-tier database caching for e-business. authors: qiong luo , sailesh krishnamurthy , c. mohan , hamid pirahesh , honguk woo , bruce g. lindsay , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: secure bufering in firm real-time database systems. authors: jayant r. haritsa , binto george. venue: vldb j.. year: 2000", "productB": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: vldb. year: 1995", "productB": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: priority assignment in real-time active databases. authors: rajendran m. sivasankaran , bhaskar purimetla , john a. stankovic , krithi ramamritham , donald f. towsley. venue: vldb j.. year: 1996", "productB": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: vldb. year: 1995", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: generalized search trees for database systems. authors: jeffrey f. naughton , avi pfeffer , joseph m. hellerstein. venue: vldb. year: 1995", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: report on first international workshop on real-time database systems. authors: sang hyuk son , kwei-jay lin , azer bestavros. venue: sigmod record. year: 1996", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: research issues in active database systems : report from the closing panel at ride-ads '94. authors: jennifer widom. venue: sigmod record. year: 1994", "productB": "title: advances in real-time database systems research. authors: azer bestavros. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on active databases ( short version ). authors: ulrike jaeger , johann christoph freytag. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an annotated bibliography of benchmarks for object databases. authors: akmal b. chaudhri. venue: sigmod record. year: 1995", "productB": "title: an annotated bibliography on active databases ( short version ). authors: ulrike jaeger , johann christoph freytag. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an annotated bibliography on real-time database systems. authors: \u00f6zg\u00fcr ulusoy. venue: sigmod record. year: 1995", "productB": "title: improving timeliness in real-time secure database systems. authors: sang h. son , rasikan david , bhavani thuraisingham. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: improving timeliness in real-time secure database systems. authors: sang h. son , rasikan david , bhavani thuraisingham. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: secure bufering in firm real-time database systems. authors: jayant r. haritsa , binto george. venue: vldb j.. year: 2000", "productB": "title: improving timeliness in real-time secure database systems. authors: sang h. son , rasikan david , bhavani thuraisingham. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: improving the efficiency of database-system teaching. authors: jeffrey d. ullman. venue: sigmod conference. year: 2003", "productB": "title: improving timeliness in real-time secure database systems. authors: sang h. son , rasikan david , bhavani thuraisingham. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: coss : the common object services specifications. authors: bruce e. martin. venue: sigmod conference. year: 1994", "productB": "title: coss : the common object services specifications. authors: bruce e. martin. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: a database system for real-time event aggregation in telecommunication. authors: henry f. korth , jerry baulier , abraham silberschatz , stephen blott. venue: vldb. year: 1998", "productB": "title: research issues for data communication in mobile ad-hoc network database systems. authors: leslie d. fife , le gruenwald. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: generalized search trees for database systems. authors: jeffrey f. naughton , avi pfeffer , joseph m. hellerstein. venue: vldb. year: 1995", "productB": "title: research issues for data communication in mobile ad-hoc network database systems. authors: leslie d. fife , le gruenwald. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: anatomy of a real e-commerce system. authors: anant jhingran. venue: sigmod conference. year: 2000", "productB": "title: anatomy of a real e-commerce system. authors: anant jhingran. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: anatomy of a real e-commerce system. authors: anant jhingran. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: orthogonally persistent object systems. authors: malcolm p. atkinson , ronald morrison. venue: vldb j.. year: 1995", "productB": "title: ptool : a scalable persistent object manager. authors: r. l. grossman , x. qin. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: xiaowei xu , michael wimmer , j\u00f6rg sander , martin ester , hans-peter kriegel. venue: vldb. year: 1998", "productB": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: kamalakar karlapalem , jian yang , qing li. venue: vldb. year: 1997", "productB": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: songting chen , andreas koeller , elke a. rundensteiner , xin zhang , jun chen. venue: sigmod conference. year: 2001", "productB": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: xiaowei xu , michael wimmer , j\u00f6rg sander , martin ester , hans-peter kriegel. venue: vldb. year: 1998", "productB": "title: expiring data in a warehouse. authors: hector garcia-molina , wilburt labio , jun yang. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: incremental clustering for mining in a data warehousing environment. authors: xiaowei xu , michael wimmer , j\u00f6rg sander , martin ester , hans-peter kriegel. venue: vldb. year: 1998", "productB": "title: incremental organization for data recording and warehousing. authors: h. v. jagadish , p. p. s. narayan , s. seshadri , s. sudarshan , rama kanneganti. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: xquery : a query language for xml. authors: donald d. chamberlin. venue: sigmod conference. year: 2003", "productB": "title: a graphical query language for mobile information systems. authors: ya-hui chang. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: xquery : a query language for xml. authors: donald d. chamberlin. venue: sigmod conference. year: 2003", "productB": "title: xquery : a query language for xml. authors: don chamberlin. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , donald kossmann , daniela florescu. venue: vldb. year: 2001", "productB": "title: merging ranks from heterogeneous internet sources. authors: luis gravano , hector garcia-molina. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: yannis papakonstantinou , vasilis vassalos. venue: vldb. year: 1997", "productB": "title: merging ranks from heterogeneous internet sources. authors: luis gravano , hector garcia-molina. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: approximate query translation across heterogeneous information sources. authors: hector garcia-molina , kevin chen-chuan chang. venue: vldb. year: 2000", "productB": "title: merging ranks from heterogeneous internet sources. authors: luis gravano , hector garcia-molina. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: implementation aspects of an object-oriented dbms. authors: ilker durusoy , cetin ozkan , mehmet altinel , asuman dogac. venue: sigmod record. year: 1995", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: jiawei han , zhaohui xie. venue: vldb. year: 1994", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: implementation aspects of an object-oriented dbms. authors: ilker durusoy , cetin ozkan , mehmet altinel , asuman dogac. venue: sigmod record. year: 1995", "productB": "title: context-based prefetch - an optimization for implementing objects on relations. authors: philip a. bernstein , shankar pal , david shutt. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: context-based prefetch for implementing objects on relations. authors: philip a. bernstein , david shutt , shankar pal. venue: vldb. year: 1999", "productB": "title: context-based prefetch - an optimization for implementing objects on relations. authors: philip a. bernstein , shankar pal , david shutt. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: sigmod conference. year: 1999", "productB": "title: query processing and optimization in oracle rdb. authors: gennady antoshenkov , mohamed ziauddin. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: sigmod conference. year: 1999", "productB": "title: outerjoin simplification and reordering for query optimization. authors: c é sar galindo-legaria , arnon rosenthal. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: parametric query optimization. authors: raymond t. ng , timos k. sellis , yannis e. ioannidis , kyuseok shim. venue: vldb j.. year: 1997", "productB": "title: outerjoin simplification and reordering for query optimization. authors: c é sar galindo-legaria , arnon rosenthal. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: coloring away communication in parallel query optimization. authors: rajeev motwani , waqar hasan. venue: vldb. year: 1995", "productB": "title: outerjoin simplification and reordering for query optimization. authors: c é sar galindo-legaria , arnon rosenthal. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: king-ip lin , harpreet s. sawhney , rakesh agrawal , kyuseok shim. venue: vldb. year: 1995", "productB": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k. v. ravi kanth , divyakant agrawal , ambuj singh. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: kaushik chakrabarti , eamonn j. keogh , michael j. pazzani , sharad mehrotra. venue: acm trans . database syst .. year: 2002", "productB": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k. v. ravi kanth , divyakant agrawal , ambuj singh. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: fast parallel similarity search in multimedia databases. authors: christian b\u00f6hm , bernhard braunm\u00fcller , hans-peter kriegel , daniel a. keim , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: dimensionality reduction for similarity searching in dynamic databases. authors: k. v. ravi kanth , divyakant agrawal , ambuj singh. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: semantic interoperability in global information systems. authors: a. m. ouksel , a. sheth. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: sigmod conference. year: 1995", "productB": "title: semantic interoperability in global information systems. authors: a. m. ouksel , a. sheth. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: challenges for global information systems. authors: alon y. levy , divesh srivastava , abraham silberschatz , maria zemankova. venue: vldb. year: 1994", "productB": "title: semantic interoperability in global information systems. authors: a. m. ouksel , a. sheth. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: quality-driven integration of heterogenous information systems. authors: johann christoph freytag , felix naumann , ulf leser. venue: vldb. year: 1999", "productB": "title: semantic interoperability in global information systems. authors: a. m. ouksel , a. sheth. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a language based multidatabase system. authors: konrad schwarz , eva k\u00fchn , thomas tschernko. venue: sigmod conference. year: 1994", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: the multidimensional database system rasdaman. authors: andreas dehmel , peter baumann , norbert widmann , roland ritsch , paula furtado. venue: sigmod conference. year: 1998", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: watermarking relational databases. authors: rakesh agrawal , jerry kiernan. venue: vldb. year: 2002", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a foundation for multi-dimensional databases. authors: laks v. s. lakshmanan , marc gyssens. venue: vldb. year: 1997", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: management of multidimensional discrete data. authors: peter baumann. venue: vldb j.. year: 1994", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a multidatabase system for tracking and retrieval of financial data. authors: munir cochinwala , john bradley. venue: vldb. year: 1994", "productB": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: languages for multi-database interoperability. authors: fr é d é ric gingras , laks v. s. lakshmanan , iyer n. subramanian , despina papoulis , nematollaah shiri. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: languages for multi-database interoperability. authors: fr é d é ric gingras , laks v. s. lakshmanan , iyer n. subramanian , despina papoulis , nematollaah shiri. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: metu interoperable database system. authors: sema mancuhan , ismailcem budak arpinar , fatma ozcan , pinar koksal , asuman dogac , g\u00f6khan \u00f6zhan , cevdet dengi , ugur halici , cem evrendilek , sena nural , ebru kilic. venue: sigmod conference. year: 1996", "productB": "title: languages for multi-database interoperability. authors: fr é d é ric gingras , laks v. s. lakshmanan , iyer n. subramanian , despina papoulis , nematollaah shiri. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: nd-sql : a multi-dimensional language for interoperability and olap. authors: fr é d é ric gingras , laks v. s. lakshmanan. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: nd-sql : a multi-dimensional language for interoperability and olap. authors: laks v. s. lakshmanan , fr\u00e9d\u00e9ric gingras. venue: vldb. year: 1998", "productB": "title: nd-sql : a multi-dimensional language for interoperability and olap. authors: fr é d é ric gingras , laks v. s. lakshmanan. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: schemasql : an extension to sql for multidatabase interoperability. authors: laks v. s. lakshmanan , fereidoon sadri , subbu n. subramanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: schemasql : an extension to sql for multidatabase interoperability. authors: fereidoon sadri , laks v. s. lakshmanan , subbu n. subramanian. venue: acm trans . database syst .. year: 2001", "productB": "title: schemasql : an extension to sql for multidatabase interoperability. authors: laks v. s. lakshmanan , fereidoon sadri , subbu n. subramanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": true} +{"productA": "title: schemasql - a language for interoperability in relational multi-database systems. authors: fereidoon sadri , laks v. s. lakshmanan , iyer n. subramanian. venue: vldb. year: 1996", "productB": "title: a language based multidatabase system. authors: eva k ü hn , thomas tschernko , konrad schwarz. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: a language based multidatabase system. authors: eva k ü hn , thomas tschernko , konrad schwarz. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: influencing database language standards. authors: leonard gallagher. venue: sigmod record. year: 1994", "productB": "title: a language based multidatabase system. authors: eva k ü hn , thomas tschernko , konrad schwarz. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: an introduction to deductive database languages and systems. authors: kotagiri ramamohanarao , james harland. venue: vldb j.. year: 1994", "productB": "title: a language based multidatabase system. authors: eva k ü hn , thomas tschernko , konrad schwarz. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: vldb. year: 1994", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: vldb. year: 2001", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: jiawei han , zhaohui xie. venue: vldb. year: 1994", "productB": "title: structures for manipulating proposed updates in object-oriented databases. authors: michael doherty , richard hull , mohammed rupawalla. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: optimization of queries with user-defined predicates. authors: kyuseok shim , surajit chaudhuri. venue: acm trans . database syst .. year: 1999", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: optimizing relational queries in connection hypergraphs : nested queries , views , and binding propagations. authors: jia liang han. venue: vldb j.. year: 1998", "productB": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: jens clau ß en , alfons kemper , guido moerkotte , klaus peithner. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: managing intervals efficiently in object-relational databases. authors: hans-peter kriegel , marco p ö tke , thomas seidl. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: managing intervals efficiently in object-relational databases. authors: hans-peter kriegel , marco p ö tke , thomas seidl. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: managing intervals efficiently in object-relational databases. authors: hans-peter kriegel , marco p ö tke , thomas seidl. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: join index hierarchies for supporting efficient navigations in object-oriented databases. authors: jiawei han , zhaohui xie. venue: vldb. year: 1994", "productB": "title: managing intervals efficiently in object-relational databases. authors: hans-peter kriegel , marco p ö tke , thomas seidl. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: vldb j.. year: 1998", "productB": "title: managing intervals efficiently in object-relational databases. authors: hans-peter kriegel , marco p ö tke , thomas seidl. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. 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. ashwin. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: p. roy , s. seshadri , a. silberschatz , s. sudarshan , s. ashwin. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: claude delobel , sophie cluet , sihem amer-yahia. venue: vldb. year: 1998", "productB": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: on-line reorganization in object databases. authors: s. sudarshan , rajeev rastogi , s. seshadri , mohana krishna lakhamraju. venue: sigmod conference. year: 2000", "productB": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: extraction of object-oriented structures from existing relational databases. authors: julia e. hodges , shekar ramanathan. venue: sigmod record. year: 1997", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: alfons kemper , reinhard braumandl , jens clau\u00dfen. venue: vldb. year: 1998", "productB": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: georges gardarin , jean-robert gruser , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the multiview project : object-oriented view technology and applications. authors: young-gook ra , viviane crestana-taube , matthew c. jones , elke a. rundensteiner , pedro jos\u00e9 marr\u00f3n , harumi a. kuno. venue: sigmod conference. year: 1996", "productB": "title: tutorial : application servers and associated technologies. authors: c. mohan. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: application servers and associated technologies. authors: c. mohan. venue: vldb. year: 2002", "productB": "title: tutorial : application servers and associated technologies. authors: c. mohan. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: the multiview project : object-oriented view technology and applications. authors: young-gook ra , viviane crestana-taube , matthew c. jones , elke a. rundensteiner , pedro jos\u00e9 marr\u00f3n , harumi a. kuno. venue: sigmod conference. year: 1996", "productB": "title: the multiview project : object-oriented view technology and applications. authors: e. a. rundensteiner , h. a. kuno , y.-g . ra , v. crestana-taube , m. c. jones , p. j. marron. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: mining fuzzy association rules in databases. authors: ada wai-chee fu , man hon wong , chan man kuok. venue: sigmod record. year: 1998", "productB": "title: sampling large databases for association rules. authors: hannu toivonen. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: vldb. year: 1996", "productB": "title: sampling large databases for association rules. authors: hannu toivonen. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: sampling large databases for association rules. authors: hannu toivonen. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: mining fuzzy association rules in databases. authors: ada wai-chee fu , man hon wong , chan man kuok. venue: sigmod record. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: maintaining data privacy in association rule mining. authors: shariq rizvi , jayant r. haritsa. venue: vldb. year: 2002", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: jaideep srivastava , jianzhong li , doron rotem. venue: vldb. year: 1999", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: algorithms for mining distance-based outliers in large datasets. authors: raymond t. ng , edwin m. knorr. venue: vldb. year: 1998", "productB": "title: fast algorithms for mining association rules in large databases. authors: rakesh agrawal , ramakrishnan srikant. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: mining fuzzy association rules in databases. authors: ada wai-chee fu , man hon wong , chan man kuok. venue: sigmod record. year: 1998", "productB": "title: on the discovery of interesting patterns in association rules. authors: sridhar ramaswamy , sameer mahajan , abraham silberschatz. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1995", "productB": "title: on the discovery of interesting patterns in association rules. authors: sridhar ramaswamy , sameer mahajan , abraham silberschatz. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: mining fuzzy association rules in databases. authors: ada wai-chee fu , man hon wong , chan man kuok. venue: sigmod record. year: 1998", "productB": "title: discovery of multiple-level association rules from large databases. authors: jiawei han , yongjian fu. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: on the discovery of interesting patterns in association rules. authors: sridhar ramaswamy , sameer mahajan , abraham silberschatz. venue: vldb. year: 1998", "productB": "title: discovery of multiple-level association rules from large databases. authors: jiawei han , yongjian fu. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: discovery of multiple-level association rules from large databases. authors: jiawei han , yongjian fu. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: using unknowns to prevent discovery of association rules. authors: chris clifton , y\u00fccel saygin , vassilios s. verykios. venue: sigmod record. year: 2001", "productB": "title: discovery of multiple-level association rules from large databases. authors: jiawei han , yongjian fu. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: mining fuzzy association rules in databases. authors: ada wai-chee fu , man hon wong , chan man kuok. venue: sigmod record. year: 1998", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: mining deviants in a time series database. authors: s. muthukrishnan , h. v. jagadish , nick koudas. venue: vldb. year: 1999", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: kunikazu yoda , hirofumi matsuzawa , takeshi tokuyama , yasuhiko morimoto , takeshi fukuda. venue: vldb. year: 1998", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: mining fuzzy association rules in databases. authors: chan man kuok , ada fu , man hon wong. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: zhao-hui tang , fei sha , georges gardarin. venue: vldb. year: 1996", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: navin kabra , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: navin kabra , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: navin kabra , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , william d. roome , h. v. jagadish. venue: vldb. year: 1994", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: navin kabra , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: cost-based optimization for magic : algebra and implementation. authors: hamid pirahesh , t. y. cliff leung , s. sudarshan , praveen seshadri , divesh srivastava , raghu ramakrishnan , joseph m. hellerstein , peter j. stuckey. venue: sigmod conference. year: 1996", "productB": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: navin kabra , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": false} +{"productA": "title: update propagation strategies to improve freshness in lazy master replicated databases. authors: eric simon , esther pacitti. venue: vldb j.. year: 2000", "productB": "title: synchronizing a database to improve freshness. authors: junghoo cho , hector garcia-molina. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: proxy-based acceleration of dynamically generated content on the world wide web : an approach and implementation. authors: suresha , kaushik dutta , krithi ramamritham , anindya datta , helen m. thomas , debra e. vandermeer. venue: sigmod conference. year: 2002", "productB": "title: proxy-based acceleration of dynamically generated content on the world wide web : an approach and implementation. authors: anindya datta , kaushik dutta , helen thomas , debra vandermeer , suresha , krithi ramamritham. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: infering structure in semistructured data. authors: rajeev motwani , serge abiteboul , svetlozar nestorov. venue: sigmod record. year: 1997", "productB": "title: query rewriting for semistructured data. authors: yannis papakonstantinou , vasilis vassalos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: mary f. fernandez , peter buneman , dan suciu. venue: vldb j.. year: 2000", "productB": "title: query rewriting for semistructured data. authors: yannis papakonstantinou , vasilis vassalos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: capturing and querying multiple aspects of semistructured data. authors: curtis e. dyreson , michael h. b\u00f6hlen , christian s. jensen. venue: vldb. year: 1999", "productB": "title: query rewriting for semistructured data. authors: yannis papakonstantinou , vasilis vassalos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: lore : a database management system for semistructured data. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. venue: sigmod record. year: 1997", "productB": "title: query rewriting for semistructured data. authors: yannis papakonstantinou , vasilis vassalos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: foreword : management of semistructured data. authors: dan suciu. venue: sigmod record. year: 1997", "productB": "title: query rewriting for semistructured data. authors: yannis papakonstantinou , vasilis vassalos. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: infering structure in semistructured data. authors: rajeev motwani , serge abiteboul , svetlozar nestorov. venue: sigmod record. year: 1997", "productB": "title: meaningful change detection in structured data. authors: sudarshan s. chawathe , hector garcia-molina. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: infering structure in semistructured data. authors: rajeev motwani , serge abiteboul , svetlozar nestorov. venue: sigmod record. year: 1997", "productB": "title: extracting structured data from web pages. authors: arvind arasu , hector garcia-molina , stanford university. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: cost-based optimization of decision support queries using transient views. authors: shivakumar venkataraman , subbu n. subramanian. venue: sigmod conference. year: 1998", "productB": "title: cost-based optimization of decision support queries using transient-views. authors: subbu n. subramanian , shivakumar venkataraman. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: the role of integrity constraints in database interoperation. authors: peter m. g. apers , mark w. w. vermeer. venue: vldb. year: 1996", "productB": "title: capturing both types and constraints in data integration. authors: michael benedikt , chee-yong chan , wenfei fan , juliana freire , rajeev rastogi. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: the role of integrity constraints in database interoperation. authors: peter m. g. apers , mark w. w. vermeer. venue: vldb. year: 1996", "productB": "title: the mlpq/gis constraint database system. authors: peter revesz , rui chen , pradip kanjamala , yiming li , yuguo liu , yonghui wang. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: the mlpq/gis constraint database system. authors: peter revesz , rui chen , pradip kanjamala , yiming li , yuguo liu , yonghui wang. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the ecrc multi database system. authors: heribert sch\u00fctz , willem jonker. venue: sigmod conference. year: 1995", "productB": "title: the mlpq/gis constraint database system. authors: peter revesz , rui chen , pradip kanjamala , yiming li , yuguo liu , yonghui wang. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the role of integrity constraints in database interoperation. authors: peter m. g. apers , mark w. w. vermeer. venue: vldb. year: 1996", "productB": "title: temporal conditions and integrity constraints in active database systems. authors: a. prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: shiby thomas , rakesh agrawal , sunita sarawagi. venue: sigmod conference. year: 1998", "productB": "title: temporal conditions and integrity constraints in active database systems. authors: a. prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: foundations of preferences in database systems. authors: werner kie\u00dfling. venue: vldb. year: 2002", "productB": "title: temporal conditions and integrity constraints in active database systems. authors: a. prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: sigmod conference. year: 1997", "productB": "title: temporal conditions and integrity constraints in active database systems. authors: a. prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: a query language and optimization techniques for unstructured data. authors: peter buneman , susan davidson , gerd hillebrand , dan suciu. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: the onion technique : indexing for linear optimization queries. authors: chung-sheng li , vittorio castelli , lawrence d. bergman , john r. smith , yuan-chi chang , ming-ling lo. venue: sigmod conference. year: 2000", "productB": "title: a query language and optimization techniques for unstructured data. authors: peter buneman , susan davidson , gerd hillebrand , dan suciu. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: a query language and optimization techniques for unstructured data. authors: peter buneman , susan davidson , gerd hillebrand , dan suciu. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: algebraic change propagation for semijoin and outerjoin queries. authors: timothy griffin , bharat kumar. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: applications of java programming language to database management. authors: bradley f. burton , victor w. marek. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: th\u00e9mis : a database programming language handling integrity constraints. authors: anne doucet , v\u00e9ronique benzaken. venue: vldb j.. year: 1995", "productB": "title: applications of java programming language to database management. authors: bradley f. burton , victor w. marek. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: alexandra poulovassilis , carol small. venue: vldb. year: 1994", "productB": "title: applications of java programming language to database management. authors: bradley f. burton , victor w. marek. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: database issues in telecommunications network management. authors: ilsoo ahn. venue: sigmod conference. year: 1994", "productB": "title: applications of java programming language to database management. authors: bradley f. burton , victor w. marek. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: fibonacci : a programming language for object databases. authors: antonio albano , giorgio ghelli , renzo orsini. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: th\u00e9mis : a database programming language handling integrity constraints. authors: anne doucet , v\u00e9ronique benzaken. venue: vldb j.. year: 1995", "productB": "title: fibonacci : a programming language for object databases. authors: antonio albano , giorgio ghelli , renzo orsini. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: investigation of algebraic query optimisation techniques for database programming languages. authors: alexandra poulovassilis , carol small. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: algebraic query optimisation for database programming languages. authors: carol small , alexandra poulovassilis. venue: vldb j.. year: 1996", "productB": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: th\u00e9mis : a database programming language handling integrity constraints. authors: anne doucet , v\u00e9ronique benzaken. venue: vldb j.. year: 1995", "productB": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: a hypertext query language for images. authors: li yang. venue: sigmod record. year: 1994", "productB": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: languages for multi-database interoperability. authors: laks v. s. lakshmanan , fr\u00e9d\u00e9ric gingras , nematollaah shiri , despina papoulis , iyer n. subramanian. venue: sigmod conference. year: 1997", "productB": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1998", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 2000", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1997", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2002", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1997", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2003", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: daniel j. rosenkrantz , nick koudas , dan suciu , peter scheuermann , rajeev rastogi , jiawei han , kenneth a. ross. venue: sigmod record. year: 2001", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kaladhar voruganti , ren\u00e9e j. miller , kenneth a. ross , flip korn. venue: sigmod record. year: 2002", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences an influential papers. authors: jeffrey f. naughton , minos n. garofalakis , kenneth a. ross. venue: sigmod record. year: 2003", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1999", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: james r. hamilton , limsoon wong , kenneth a. ross , laks v. s. lakshmanan. venue: sigmod record. year: 2001", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: gerhard weikum , alon y. levy , divesh srivastava , eric simon , patrick e. o'neil , victor vianu , kenneth a. ross , christos faloutsos. venue: sigmod record. year: 2000", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: daniel j. rosenkrantz , nick koudas , dan suciu , peter scheuermann , rajeev rastogi , jiawei han , kenneth a. ross. venue: sigmod record. year: 2001", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , kyuseok shim , mary f. fernandez. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , anastassia ailamaki , alfred v. aho. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: guest editor 's introduction. authors: asuman dogac. venue: sigmod record. year: 1998", "productB": "title: guest editorial. authors: philip a. bernstein , yannis ioannidis , raghu ramakrishnan. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editorial. authors: kyu-young whang , gunter schlageter , amr el abbadi. venue: vldb j.. year: 2001", "productB": "title: guest editorial. authors: philip a. bernstein , yannis ioannidis , raghu ramakrishnan. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: guest editorial. authors: philip a. bernstein , yannis ioannidis , raghu ramakrishnan. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editor 's introduction. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: guest editorial. authors: philip a. bernstein , yannis ioannidis , raghu ramakrishnan. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: guest editor 's introduction. authors: asuman dogac. venue: sigmod record. year: 1998", "productB": "title: guest editor 's introduction. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: guest editor 's introduction. authors: asuman dogac. venue: sigmod record. year: 1998", "productB": "title: advanced xml data processing : guest editor 's introduction. authors: karl aberer. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: path sharing and predicate evaluation for high-performance xml filtering. authors: yanlei diao , hao zhang , peter m. fischer , michael j. franklin , mehmet altinel. venue: acm trans . database syst .. year: 2003", "productB": "title: the design and performance evaluation of alternative xml storage strategies. authors: feng tian , david j. dewitt , jianjun chen , chun zhang. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: the design and performance evaluation of alternative xml storage strategies. authors: david j. dewitt , jianjun chen , chun zhang , feng tian. venue: sigmod record. year: 2002", "productB": "title: the design and performance evaluation of alternative xml storage strategies. authors: feng tian , david j. dewitt , jianjun chen , chun zhang. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: object-oriented , rapid application development in a pc database environment. authors: corporate fox development team microsoft. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: object-oriented , rapid application development in a pc database environment. authors: corporate fox development team microsoft. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: automated resolution of semantic heterogeneity in multidatabases. authors: m. w. bright , a. r. hurson , s. pakzad. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: on-line reorganization in object databases. authors: mohana k. lakhamraju , rajeev rastogi , s. seshadri , s. sudarshan. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: on-line reorganization in object databases. authors: mohana k. lakhamraju , rajeev rastogi , s. seshadri , s. sudarshan. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: schema and database evolution in the o2 object database system. authors: fabrizio ferrandina , guy ferran , thorsten meyer , roberto zicari , jo\u00eblle madec. venue: vldb. year: 1995", "productB": "title: on-line reorganization in object databases. authors: mohana k. lakhamraju , rajeev rastogi , s. seshadri , s. sudarshan. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: static detection of security flaws in object-oriented databases. authors: keishi tajima. venue: sigmod conference. year: 1996", "productB": "title: implementation aspects of an object-oriented dbms. authors: asuman dogac , mehmet altinel , cetin ozkan , ilker durusoy. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: distributed transactions in practice. authors: lyman do , pamela drew , prabhu ram. venue: sigmod record. year: 1999", "productB": "title: standards in practice. authors: andrew eisenberg , jim melton. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: distributed transactions in practice. authors: lyman do , pamela drew , prabhu ram. venue: sigmod record. year: 1999", "productB": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j. d. tygar. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: active views for electronic commerce. authors: laurent mignet , serge abiteboul , tova milo , adi eyal , bernd amann , sophie cluet. venue: vldb. year: 1999", "productB": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j. d. tygar. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: database technologies for electronic commerce. authors: yirong xu , ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 2002", "productB": "title: atomicity versus anonymity : distributed transactions for electronic commerce. authors: j. d. tygar. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: distributed transactions in practice. authors: lyman do , pamela drew , prabhu ram. venue: sigmod record. year: 1999", "productB": "title: distributed transactions in practice. authors: prabhu ram , lyman do , pamela drew. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: database research at columbia university. authors: kenneth a. ross , gail e. kaiser , luis gravano , salvatore j. stolfo , shih-fu chang. venue: sigmod record. year: 1998", "productB": "title: research in information managment at dublin city university. authors: mark roantree , alan f. smeaton. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: sigmod record. year: 2003", "productB": "title: research in information managment at dublin city university. authors: mark roantree , alan f. smeaton. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database research at columbia university. authors: kenneth a. ross , gail e. kaiser , luis gravano , salvatore j. stolfo , shih-fu chang. venue: sigmod record. year: 1998", "productB": "title: florida international university high performance database research center. authors: naphtali rishe , wei sun , david barton , yi deng , cyril orji , michael alexopoulos , leonardo loureiro , carlos ordonez , mario sanchez , artyom shaposhnikov. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: florida international university high performance database research center. authors: naphtali rishe , wei sun , david barton , yi deng , cyril orji , michael alexopoulos , leonardo loureiro , carlos ordonez , mario sanchez , artyom shaposhnikov. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: database research at columbia university. authors: kenneth a. ross , gail e. kaiser , luis gravano , salvatore j. stolfo , shih-fu chang. venue: sigmod record. year: 1998", "productB": "title: the database research group at eth zurich. authors: moira c. norrie , stephen m. blott , hans-j ö rg schek , gerhard weikum. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: the database group at university of hagen ( fernuniversitaet ). authors: silke mittrach , gunter schlageter , thomas berkel , andreas scherer , eberhard heuel , wolfgang wilkes. venue: sigmod record. year: 1995", "productB": "title: the database research group at eth zurich. authors: moira c. norrie , stephen m. blott , hans-j ö rg schek , gerhard weikum. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: continuous queries over data streams. authors: jennifer widom , shivnath babu. venue: sigmod record. year: 2001", "productB": "title: xpath queries on streaming data. authors: feng peng , sudarshan s. chawathe. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: streaming queries over streaming data. authors: michael j. franklin , sirish chandrasekaran. venue: vldb. year: 2002", "productB": "title: xpath queries on streaming data. authors: feng peng , sudarshan s. chawathe. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: processing complex aggregate queries over data streams. authors: alin dobra , johannes gehrke , rajeev rastogi , minos n. garofalakis. venue: sigmod conference. year: 2002", "productB": "title: xpath queries on streaming data. authors: feng peng , sudarshan s. chawathe. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: continuous queries over data streams. authors: jennifer widom , shivnath babu. venue: sigmod record. year: 2001", "productB": "title: continuously adaptive continuous queries over streams. authors: samuel madden , mehul shah , joseph m. hellerstein , vijayshankar raman. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: processing set expressions over continuous update streams. authors: sumit ganguly , minos n. garofalakis , rajeev rastogi. venue: sigmod conference. year: 2003", "productB": "title: continuously adaptive continuous queries over streams. authors: samuel madden , mehul shah , joseph m. hellerstein , vijayshankar raman. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: eddies : continuously adaptive query processing. authors: ron avnur , joseph m. hellerstein. venue: sigmod conference. year: 2000", "productB": "title: continuously adaptive continuous queries over streams. authors: samuel madden , mehul shah , joseph m. hellerstein , vijayshankar raman. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: continuous queries over data streams. authors: jennifer widom , shivnath babu. venue: sigmod record. year: 2001", "productB": "title: on computing correlated aggregates over continual data streams. authors: johannes gehrke , flip korn , divesh srivastava. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: lukasz golab , m. tamer \u00f6zsu. venue: vldb. year: 2003", "productB": "title: on computing correlated aggregates over continual data streams. authors: johannes gehrke , flip korn , divesh srivastava. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: adaptive filters for continuous queries over distributed data streams. authors: jennifer widom , chris olston , jing jiang. venue: sigmod conference. year: 2003", "productB": "title: on computing correlated aggregates over continual data streams. authors: johannes gehrke , flip korn , divesh srivastava. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: selectivity estimation in spatial databases. authors: viswanath poosala , sridhar ramaswamy , swarup acharya. venue: sigmod conference. year: 1999", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: introduction ( special issue on multimedia databases ). authors: m. tamer \u00f6zsu , stavros christodoulakis. venue: vldb j.. year: 1998", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: chorochronos : a research network for spatiotemporal database systems. authors: enrico nardelli , timos k. sellis , andrew u. frank , st\u00e9phane grumbach , hans-j\u00f6rg schek , manolis koubarakis , michel scholl , ralf hartmut g\u00fcting , barbara pernici , christian s. jensen , nikos a. lorentzos , babis theodoulidis , yannis manolopoulos , peter widmayer. venue: sigmod record. year: 1999", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: title , preface to the special issue on persistent object systems. authors: ?. venue: vldb j.. year: 1995", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: sap r/3 : a database application system ( tutorial ). authors: alfons kemper , florian matthes , donald kossmann. venue: sigmod conference. year: 1998", "productB": "title: special issue on spatial database systems. authors: h. j. schek. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: query optimization at the crossroads. authors: surajit chaudhuri. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: delaunay : a database visualization system. authors: isabel f. cruz , m. averbuch , wendy t. lucas , melissa radzyminski , kirby zhang. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: delaunay : a database visualization system. authors: isabel f. cruz , m. averbuch , wendy t. lucas , melissa radzyminski , kirby zhang. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: mineset ( tm ) : a system for high-end data mining and visualization. authors: ?. venue: vldb. year: 1996", "productB": "title: delaunay : a database visualization system. authors: isabel f. cruz , m. averbuch , wendy t. lucas , melissa radzyminski , kirby zhang. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: domenico beneventano , sonia bergamaschi , claudio sartori. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: domenico beneventano , sonia bergamaschi , claudio sartori. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: domenico beneventano , sonia bergamaschi , claudio sartori. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: domenico beneventano , sonia bergamaschi , claudio sartori. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , william d. roome , h. v. jagadish. venue: vldb. year: 1994", "productB": "title: description logics for semantic query optimization in object-oriented database systems. authors: domenico beneventano , sonia bergamaschi , claudio sartori. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: query optimization in compressed database systems. authors: zhiyuan chen , flip korn , johannes gehrke. venue: sigmod conference. year: 2001", "productB": "title: revisiting commit processing in distributed database systems. authors: ramesh gupta , jayant haritsa , krithi ramamritham. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: distributed top-n query processing with possibly uncooperative local systems. authors: clement t. yu , weiyi meng , george philip. venue: vldb. year: 2003", "productB": "title: revisiting commit processing in distributed database systems. authors: ramesh gupta , jayant haritsa , krithi ramamritham. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: vldb. year: 1995", "productB": "title: revisiting commit processing in distributed database systems. authors: ramesh gupta , jayant haritsa , krithi ramamritham. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: incorporating xsl processing into database engines. authors: guido moerkotte. venue: vldb. year: 2002", "productB": "title: revisiting commit processing in distributed database systems. authors: ramesh gupta , jayant haritsa , krithi ramamritham. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: revisiting commit processing in distributed database systems. authors: krithi ramamritham , jayant r. haritsa , ramesh gupta. venue: sigmod conference. year: 1997", "productB": "title: revisiting commit processing in distributed database systems. authors: ramesh gupta , jayant haritsa , krithi ramamritham. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: practical issues with commercial use of federated databases. authors: jim kleewein. venue: vldb. year: 1996", "productB": "title: interviso : dealing with the complexity of federated database access. authors: marjorie templeton , herbert henley , edward maros , darrel j. van buer. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: practical issues with commercial use of federated databases. authors: jim kleewein. venue: vldb. year: 1996", "productB": "title: practical issues with commercial use of federated databases. authors: jim kleewein. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: masaru kitsuregawa , takahiko shintani. venue: sigmod conference. year: 1998", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: yasuhiko morimoto , takeshi fukuda , hirofumi matsuzawa , takeshi tokuyama , kunikazu yoda. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: kunikazu yoda , hirofumi matsuzawa , takeshi tokuyama , yasuhiko morimoto , takeshi fukuda. venue: vldb. year: 1998", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: yasuhiko morimoto , takeshi fukuda , hirofumi matsuzawa , takeshi tokuyama , kunikazu yoda. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: yasuhiko morimoto , takeshi fukuda , hirofumi matsuzawa , takeshi tokuyama , kunikazu yoda. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: yasuhiko morimoto , takeshi fukuda , hirofumi matsuzawa , takeshi tokuyama , kunikazu yoda. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: masaru kitsuregawa , takahiko shintani. venue: sigmod conference. year: 1998", "productB": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: information director 's message. authors: alberto o. mendelzon. venue: sigmod record. year: 1998", "productB": "title: treasurer 's message. authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: chair 's message. authors: richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: treasurer 's message. authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: chair 's message. authors: m. tamer \u00f6zsu. venue: sigmod record. year: 2001", "productB": "title: treasurer 's message. authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: treasurer 's message. authors: joachim hammer. venue: sigmod record. year: 2003", "productB": "title: treasurer 's message. authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: chair 's message. authors: richard t. snodgrass. venue: sigmod record. year: 2000", "productB": "title: treasurer 's message. authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: gnatdb : a small-footprint , secure database system. authors: radek vingralek. venue: vldb. year: 2002", "productB": "title: metu interoperable database system. authors: a. dogac , c. dengi , e. kilic , g. ozhan , f. ozcan , s. nural , c. evrendilek , u. halici , b. arpinar , p. koksal , n. kesim , s. mancuhan. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: david j. dewitt , manish mehta. venue: vldb. year: 1995", "productB": "title: metu interoperable database system. authors: a. dogac , c. dengi , e. kilic , g. ozhan , f. ozcan , s. nural , c. evrendilek , u. halici , b. arpinar , p. koksal , n. kesim , s. mancuhan. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: shiby thomas , rakesh agrawal , sunita sarawagi. venue: sigmod conference. year: 1998", "productB": "title: integrating symbolic images into a multimedia database system using classification and abstraction approaches. authors: aya soffer , hanan samet. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: integrating the ub-tree into a database system kernel. authors: robert fenk , rudolf bayer , volker markl , martin zirkel , frank ramsak , klaus elhardt. venue: vldb. year: 2000", "productB": "title: integrating symbolic images into a multimedia database system using classification and abstraction approaches. authors: aya soffer , hanan samet. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: detection and classification of intrusions and faults using sequences of system calls. authors: jo\u00e3o b. d. cabrera , raman k. mehra , lundy m. lewis. venue: sigmod record. year: 2001", "productB": "title: integrating symbolic images into a multimedia database system using classification and abstraction approaches. authors: aya soffer , hanan samet. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: integrating mining with relational database systems : alternatives and implications. authors: shiby thomas , rakesh agrawal , sunita sarawagi. venue: sigmod conference. year: 1998", "productB": "title: integration of data mining with database technology. authors: amir netz , surajit chaudhuri , jeff bernhardt , usama m. fayyad. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: virtual database technology. authors: venky harinarayan , ashish gupta , anand rajaraman. venue: sigmod record. year: 1997", "productB": "title: integration of data mining with database technology. authors: amir netz , surajit chaudhuri , jeff bernhardt , usama m. fayyad. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: efficiently publishing relational data as xml documents. authors: berthold reinwald , jayavel shanmugasundaram , michael j. carey , eugene j. shekita , hamid pirahesh , bruce g. lindsay , rimon barr. venue: vldb. year: 2000", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: watermarking relational databases. authors: rakesh agrawal , jerry kiernan. venue: vldb. year: 2002", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: exchanging intensional xml data. authors: omar benjelloun , tova milo , serge abiteboul , frederic dang ngoc , bernd amann. venue: sigmod conference. year: 2003", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: declarative updates of relational databases. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: rights protection for relational data. authors: sunil prabhakar , radu sion , mikhail j. atallah. venue: sigmod conference. year: 2003", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: on the computation of relational view complements. authors: gottfried vossen , jens lechtenb\u00f6rger. venue: acm trans . database syst .. year: 2003", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: querying xml views of relational data. authors: jerry kiernan , jayavel shanmugasundaram , catalina fan , eugene j. shekita , john funderburk. venue: vldb. year: 2001", "productB": "title: querying xml views of relational data. authors: jayavel shanmugasundaram , jerry kiernan , eugene j. shekita , catalina fan , john funderburk. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: efficiently publishing relational data as xml documents. authors: berthold reinwald , jayavel shanmugasundaram , michael j. carey , eugene j. shekita , hamid pirahesh , bruce g. lindsay , rimon barr. venue: vldb. year: 2000", "productB": "title: efficient schemes for managing multiversionxml documents. authors: s.-y . chien , v. j. tsotras , c. zaniolo. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: michael j. franklin , mehmet altinel. venue: vldb. year: 2000", "productB": "title: efficient schemes for managing multiversionxml documents. authors: s.-y . chien , v. j. tsotras , c. zaniolo. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: jeffrey xu yu , weifa liang , maria e. orlowska. venue: vldb j.. year: 2000", "productB": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: yihong zhao , prasad m. deshpande , jeffrey f. naughton , amit shukla. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: optimizing the secure evaluation of twig queries. authors: sihem amer-yahia , divesh srivastava , sungran cho , laks v. s. lakshmanan. venue: vldb. year: 2002", "productB": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: yihong zhao , prasad m. deshpande , jeffrey f. naughton , amit shukla. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: probabilistic optimization of top n queries. authors: donko donjerkovic , raghu ramakrishnan. venue: vldb. year: 1999", "productB": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: yihong zhao , prasad m. deshpande , jeffrey f. naughton , amit shukla. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: jeffrey xu yu , weifa liang , maria e. orlowska. venue: vldb j.. year: 2000", "productB": "title: optimizing queries on files. authors: mariano p. consens , tova milo. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries on files. authors: mariano p. consens , tova milo. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimal clip ordering for multi-clip queries. authors: raymond t. ng , paul shum. venue: vldb j.. year: 1998", "productB": "title: optimizing queries on files. authors: mariano p. consens , tova milo. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimizing queries on compressed bitmaps. authors: sihem amer-yahia , theodore johnson. venue: vldb. year: 2000", "productB": "title: optimizing queries on files. authors: mariano p. consens , tova milo. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 1996", "productB": "title: optimizing queries on files. authors: mariano p. consens , tova milo. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: jeffrey xu yu , weifa liang , maria e. orlowska. venue: vldb j.. year: 2000", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: efficient search of multi-dimensional b-trees. authors: dave birdsall , hedieh yaghmai , harry leslie , rohit jain. venue: vldb. year: 1995", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: sideway value algebra for object-relational databases. authors: z. meral \u00f6zsoyoglu , gultekin \u00f6zsoyoglu , abdullah al-hamdani , \u00f6zg\u00fcr ulusoy , selma ayse \u00f6zel , ismail seng\u00f6r alting\u00f6vde. venue: vldb. year: 2002", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: kaushik chakrabarti , sharad mehrotra , eamonn j. keogh , michael j. pazzani. venue: sigmod conference. year: 2001", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: materialized views selection in a multidimensional database. authors: ernest teniente , elena baralis , stefano paraboschi. venue: vldb. year: 1997", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: a platform based on the multi-dimensional data model for analysis of bio-molecular structures. authors: srinath srinivasa , sujit kumar. venue: vldb. year: 2003", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: a toolkit for negotiation support interfaces to multi-dimensional data. authors: matthias jarke , stephan jacobs , michael gebhardt. venue: sigmod conference. year: 1997", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: daniel barbar\u00e1 , mark sullivan. venue: sigmod record. year: 1997", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: a template model for multidimensional inter-transactional association rules. authors: jeffrey xu yu , hongjun lu , ling feng , jiawei han. venue: vldb j.. year: 2002", "productB": "title: a foundation for multi-dimensional databases. authors: marc gyssens , laks v. s. lakshmanan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: an orthogonally persistent java. authors: mick j. jordan , susan spence , laurent dayn\u00e8s , malcolm p. atkinson , tony printezis. venue: sigmod record. year: 1996", "productB": "title: an orthogonally persistent java. authors: m. p. atkinson , l. dayn è s , m. j. jordan , t. printezis , s. spence. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: data integration and warehousing in telecom italia. authors: daniele nardi , maurizio lenzerini , stefano trisolini. venue: sigmod conference. year: 1999", "productB": "title: using probabilistic information in data integration. authors: daniela florescu , daphne koller , alon y. levy. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: a case-based approach to information integration. authors: maurizio panti , alberto giretti , luca spalazzi. venue: vldb. year: 2000", "productB": "title: using probabilistic information in data integration. authors: daniela florescu , daphne koller , alon y. levy. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: capturing both types and constraints in data integration. authors: juliana freire , rajeev rastogi , michael benedikt , wenfei fan , chee yong chan. venue: sigmod conference. year: 2003", "productB": "title: using probabilistic information in data integration. authors: daniela florescu , daphne koller , alon y. levy. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: protdb : probabilistic data in xml. authors: andrew nierman , h. v. jagadish. venue: vldb. year: 2002", "productB": "title: using probabilistic information in data integration. authors: daniela florescu , daphne koller , alon y. levy. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: data integration and warehousing in telecom italia. authors: daniele nardi , maurizio lenzerini , stefano trisolini. venue: sigmod conference. year: 1999", "productB": "title: dec data distributor : for data replication and data warehousing. authors: daniel j. dietterich. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: dynamic xml documents with distribution and replication. authors: ioana manolescu , serge abiteboul , tova milo , angela bonifati , gregory cobena. venue: sigmod conference. year: 2003", "productB": "title: dec data distributor : for data replication and data warehousing. authors: daniel j. dietterich. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: data integration and warehousing in telecom italia. authors: daniele nardi , maurizio lenzerini , stefano trisolini. venue: sigmod conference. year: 1999", "productB": "title: data warehousing and olap for decision support. authors: surajit chaudhuri , umeshwar dayal. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: temporal integrity constraints with indeterminacy. authors: wes cowley , dimitris plexousakis. venue: vldb. year: 2000", "productB": "title: the role of integrity constraints in database interoperation. authors: mark w. w. vermeer , peter m. g. apers. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: instance-based attribute identification in database integration. authors: roger h. l. chiang , ee-peng lim , chua eng huang cecil. venue: vldb j.. year: 2003", "productB": "title: the role of integrity constraints in database interoperation. authors: mark w. w. vermeer , peter m. g. apers. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: temporal integrity constraints with indeterminacy. authors: wes cowley , dimitris plexousakis. venue: vldb. year: 2000", "productB": "title: temporal integrity constraints with indeterminacy. authors: wes cowley , dimitris plexousakis. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: answering queries with useful bindings. authors: edward y. chang , chen li. venue: acm trans . database syst .. year: 2001", "productB": "title: theory of answering queries using views. authors: alon y. halevy. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: answering queries with useful bindings. authors: edward y. chang , chen li. venue: acm trans . database syst .. year: 2001", "productB": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: optimizing queries using materialized views : a practical , scalable solution. authors: per-\u00e5ke larson , jonathan goldstein. venue: sigmod conference. year: 2001", "productB": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a super scalar sort algorithm for risc processors. authors: ramesh c. agarwal. venue: sigmod conference. year: 1996", "productB": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: answering queries with useful bindings. authors: edward y. chang , chen li. venue: acm trans . database syst .. year: 2001", "productB": "title: answering queries with useful bindings. authors: chen li , edward chang. venue: acm transactions on database systems ( tods ). year: 2001", "same": true} +{"productA": "title: answering queries with aggregation using views. authors: h. v. jagadish , shaul dar , divesh srivastava , alon y. levy. venue: vldb. year: 1996", "productB": "title: answering queries with useful bindings. authors: chen li , edward chang. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: answering queries with useful bindings. authors: edward y. chang , chen li. venue: acm trans . database syst .. year: 2001", "productB": "title: answering queries with aggregation using views. authors: divesh srivastava , shaul dar , h. v. jagadish , alon y. levy. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: answering queries with aggregation using views. authors: h. v. jagadish , shaul dar , divesh srivastava , alon y. levy. venue: vldb. year: 1996", "productB": "title: answering queries with aggregation using views. authors: divesh srivastava , shaul dar , h. v. jagadish , alon y. levy. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: minicon : a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. halevy. venue: vldb j.. year: 2001", "productB": "title: answering queries with aggregation using views. authors: divesh srivastava , shaul dar , h. v. jagadish , alon y. levy. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: reinhard braumandl , jens clau ß en , alfons kemper. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: efficiently instantiating view-objects from remote relational databases. authors: gio wiederhold , byung suk lee. venue: vldb j.. year: 1994", "productB": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: reinhard braumandl , jens clau ß en , alfons kemper. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: reinhard braumandl , jens clau ß en , alfons kemper. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: managing intervals efficiently in object-relational databases. authors: thomas seidl , marco p\u00f6tke , hans-peter kriegel. venue: vldb. year: 2000", "productB": "title: evaluating functional joins along nested reference sets in object-relational and object-oriented databases. authors: reinhard braumandl , jens clau ß en , alfons kemper. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: processing object-oriented queries with invertible late bound functions. authors: staffan flodin , tore risch. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: processing object-oriented queries with invertible late bound functions. authors: staffan flodin , tore risch. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: optimizing queries with universal quantification in object-oriented and object-relational databases. authors: guido moerkotte , jens clau\u00dfen , klaus peithner , alfons kemper. venue: vldb. year: 1997", "productB": "title: relational databases for querying xml documents : limitations and opportunities. authors: jayavel shanmugasundaram , kristin tufte , chun zhang , gang he , david j. dewitt , jeffrey f. naughton. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: vldb. year: 1996", "productB": "title: relational databases for querying xml documents : limitations and opportunities. authors: jayavel shanmugasundaram , kristin tufte , chun zhang , gang he , david j. dewitt , jeffrey f. naughton. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim sch\u00fc , v. s. subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: materialized view selection and maintenance using multi-query optimization. authors: hoshi mistry , prasan roy , s. sudarshan , krithi ramamritham. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: materialized views selection in a multidimensional database. authors: ernest teniente , elena baralis , stefano paraboschi. venue: vldb. year: 1997", "productB": "title: materialized view selection and maintenance using multi-query optimization. authors: hoshi mistry , prasan roy , s. sudarshan , krithi ramamritham. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim sch\u00fc , v. s. subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: efficient materialization and use of views in data warehouses. authors: m á rcio farias de souza , marcus costa sampaio. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: curio : a novel solution for efficient storage and indexing in data warehouses. authors: helen m. thomas , krithi ramamritham , anindya datta. venue: vldb. year: 1999", "productB": "title: efficient materialization and use of views in data warehouses. authors: m á rcio farias de souza , marcus costa sampaio. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: efficient resumption of interrupted warehouse loads. authors: hector garcia-molina , vlad gorelik , wilburt labio , janet l. wiener. venue: sigmod conference. year: 2000", "productB": "title: efficient materialization and use of views in data warehouses. authors: m á rcio farias de souza , marcus costa sampaio. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: materialized views and data warehouses. authors: nick roussopoulos. venue: sigmod record. year: 1998", "productB": "title: efficient materialization and use of views in data warehouses. authors: m á rcio farias de souza , marcus costa sampaio. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim sch\u00fc , v. s. subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: serge abiteboul , jason mchugh , michael rys , vasilis vassalos , janet l. wiener. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: a fast index for semistructured data. authors: brian cooper , g\u00edsli r. hjaltason , michael j. franklin , neal sample , moshe shadmon. venue: vldb. year: 2001", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: serge abiteboul , jason mchugh , michael rys , vasilis vassalos , janet l. wiener. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: materialized view maintenance and integrity constraint checking : trading space for time. authors: divesh srivastava , s. sudarshan , kenneth a. ross. venue: sigmod conference. year: 1996", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: serge abiteboul , jason mchugh , michael rys , vasilis vassalos , janet l. wiener. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: query rewriting for semistructured data. authors: vasilis vassalos , yannis papakonstantinou. venue: sigmod conference. year: 1999", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: serge abiteboul , jason mchugh , michael rys , vasilis vassalos , janet l. wiener. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: incremental maintenance of recursive views using relational calculus/sql. authors: jianwen su , guozhu dong. venue: sigmod record. year: 2000", "productB": "title: incremental maintenance for materialized views over semistructured data. authors: serge abiteboul , jason mchugh , michael rys , vasilis vassalos , janet l. wiener. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim sch\u00fc , v. s. subrahmanian. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of views with duplicates. authors: timothy griffin , leonid libkin. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: how to roll a join : asynchronous incremental view maintenance. authors: kevin s. beyer , roberta cochrane , kenneth salem , bruce g. lindsay. venue: sigmod conference. year: 2000", "productB": "title: incremental maintenance of views with duplicates. authors: timothy griffin , leonid libkin. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: vldb j.. year: 2002", "productB": "title: query execution techniques for caching expensive methods. authors: joseph m. hellerstein , jeffrey f. naughton. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: vldb j.. year: 2002", "productB": "title: similarity query processing using disk arrays. authors: apostolos n. papadopoulos , yannis manolopoulos. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: improving adaptable similarity query processing by using approximations. authors: hans-peter kriegel , bernhard braunm\u00fcller , thomas seidl , mihael ankerst. venue: vldb. year: 1998", "productB": "title: similarity query processing using disk arrays. authors: apostolos n. papadopoulos , yannis manolopoulos. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: implementing xquery. authors: paul cotton. venue: sigmod conference. year: 2002", "productB": "title: implementing the spirit of sql-99. authors: paul brown. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: keynote address. authors: larry ellison. venue: sigmod conference. year: 1995", "productB": "title: keynote address. authors: robert s. epstein. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: control strategies for complex relational query processing in shared nothing systems. authors: lionel brunie , harald kosch. venue: sigmod record. year: 1996", "productB": "title: cache conscious algorithms for relational query processing. authors: ambuj shatdal , chander kant , jeffrey f. naughton. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: online query processing. authors: peter j. haas , joseph m. hellerstein. venue: sigmod conference. year: 2001", "productB": "title: cache conscious algorithms for relational query processing. authors: ambuj shatdal , chander kant , jeffrey f. naughton. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: mary f. fernandez , peter buneman , dan suciu. venue: vldb j.. year: 2000", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: query rewriting for semistructured data. authors: vasilis vassalos , yannis papakonstantinou. venue: sigmod conference. year: 1999", "productB": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: mary f. fernandez , peter buneman , dan suciu. venue: vldb j.. year: 2000", "productB": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: a fast index for semistructured data. authors: brian cooper , g\u00edsli r. hjaltason , michael j. franklin , neal sample , moshe shadmon. venue: vldb. year: 2001", "productB": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm transactions on database systems ( tods ). year: 2002", "same": true} +{"productA": "title: building knowledge base management systems. authors: thodoros topaloglou , adel shrufi , vinay k. chaudhri , dimitris plexousakis , john mylopoulos. venue: vldb j.. year: 1996", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: data management for earth system science. authors: james frew , jeff dozier. venue: sigmod record. year: 1997", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: vldb j.. year: 1997", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: the network is the database : data management for highly distributed systems. authors: michael j. wynblatt , julio c. navas. venue: sigmod conference. year: 2001", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: constructing the next 100 database management systems. authors: andreas geppert , klaus r. dittrich. venue: sigmod record. year: 1994", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: database systems - breaking out of the box. authors: abraham silberschatz , stanley b. zdonik. venue: sigmod record. year: 1997", "productB": "title: database systems management and oracle8. authors: c. gregory doherty. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: building knowledge base management systems. authors: thodoros topaloglou , adel shrufi , vinay k. chaudhri , dimitris plexousakis , john mylopoulos. venue: vldb j.. year: 1996", "productB": "title: strudel : a web site management system. authors: mary fernandez , daniela florescu , jaewoo kang , alon levy , dan suciu. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: a query language for a web-site management system. authors: dan suciu , daniela florescu , alon y. levy , mary f. fernandez. venue: sigmod record. year: 1997", "productB": "title: strudel : a web site management system. authors: mary fernandez , daniela florescu , jaewoo kang , alon levy , dan suciu. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: temporal database bibliography update. authors: anil kumar , vassilis j. tsotras. venue: sigmod record. year: 1996", "productB": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: coalescing in temporal databases. authors: michael d. soo , richard t. snodgrass , michael h. b\u00f6hlen. venue: vldb. year: 1996", "productB": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: integrating temporal , real-time , and active databases. authors: john a. stankovic , krithi ramamritham , ming xiong , rajendran m. sivasankaran , donald f. towsley. venue: sigmod record. year: 1996", "productB": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: tail recursion elimination in deductive databases. authors: kenneth a. ross. venue: acm trans . database syst .. year: 1996", "productB": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: tigukat : a uniform behavioral objectbase management system. authors: m. tamer Ö zsu , randal peters , duane szafron , boman irani , anna lipka , adriana mu ñ oz. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: tigukat : a uniform behavioral objectbase management system. authors: m. tamer Ö zsu , randal peters , duane szafron , boman irani , anna lipka , adriana mu ñ oz. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: tigukat : a uniform behavioral objectbase management system. authors: m. tamer Ö zsu , randal peters , duane szafron , boman irani , anna lipka , adriana mu ñ oz. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: aurora : a data stream management system. authors: nesime tatbul , daniel j. abadi , c. erwin , anurag maskey , mitch cherniack , alex rasin , christian convey , a. singer , eduardo f. galvez , r. yan , ugur \u00e7etintemel , ying xing , stanley b. zdonik , michael stonebraker , donald carney , m. hatoun. venue: sigmod conference. year: 2003", "productB": "title: tigukat : a uniform behavioral objectbase management system. authors: m. tamer Ö zsu , randal peters , duane szafron , boman irani , anna lipka , adriana mu ñ oz. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: corporate act-net consortium. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: corporate act-net consortium. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: the araneus web-base management system. authors: giansalvatore mecca , paolo merialdo , alessandro masci , paolo atzeni , giuseppe sindoni. venue: sigmod conference. year: 1998", "productB": "title: the active database management system manifesto : a rulebase of adbms features. authors: corporate act-net consortium. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: towards self-tuning data placement in parallel database systems. authors: mong-li lee , beng chin ooi , anirban mondal , kian-lee tan , masaru kitsuregawa. venue: sigmod conference. year: 2000", "productB": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: sigmod record. year: 2003", "productB": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: open object database management systems. authors: jos\u00e9 a. blakeley. venue: sigmod conference. year: 1994", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: xml data management go native or spruce up relational systems ? ( panel abstract ). authors: per-\u00e5ke larson. venue: sigmod conference. year: 2001", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: database systems management and oracle8. authors: c. gregory doherty. venue: sigmod conference. year: 1998", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: sigmod record. year: 2003", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: semantic integrity support in sql : 1999 and commercial ( object - ) relational database management systems. authors: michael gertz , can t\u00fcrker. venue: vldb j.. year: 2001", "productB": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: adept : an agent-based approach to business process management. authors: timothy j. norman , nicholas r. jennings , peyman faratin. venue: sigmod record. year: 1998", "productB": "title: a requirement-based approach to data modeling and re-engineering. authors: alice h. muntz , christian t. ramiller. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a requirement-based approach to data modeling and re-engineering. authors: christian t. ramiller , alice h. muntz. venue: vldb. year: 1994", "productB": "title: a requirement-based approach to data modeling and re-engineering. authors: alice h. muntz , christian t. ramiller. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: adept : an agent-based approach to business process management. authors: timothy j. norman , nicholas r. jennings , peyman faratin. venue: sigmod record. year: 1998", "productB": "title: adept : an agent-based approach to business process management. authors: n. r. jennings , t. j. norman , p. faratin. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: aggregate-query processing in data warehousing environments. authors: venky harinarayan , dallan quass , ashish gupta. venue: vldb. year: 1995", "productB": "title: algorithms for materialized view design in data warehousing environment. authors: jian yang , kamalakar karlapalem , qing li. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: tracing the lineage of view data in a warehousing environment. authors: janet l. wiener , yingwei cui , jennifer widom. venue: acm trans . database syst .. year: 2000", "productB": "title: algorithms for materialized view design in data warehousing environment. authors: jian yang , kamalakar karlapalem , qing li. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: kamalakar karlapalem , jian yang , qing li. venue: vldb. year: 1997", "productB": "title: algorithms for materialized view design in data warehousing environment. authors: jian yang , kamalakar karlapalem , qing li. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: efficient snapshot differential algorithms for data warehousing. authors: hector garcia-molina , wilburt labio. venue: vldb. year: 1996", "productB": "title: algorithms for materialized view design in data warehousing environment. authors: jian yang , kamalakar karlapalem , qing li. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: aggregate-query processing in data warehousing environments. authors: venky harinarayan , dallan quass , ashish gupta. venue: vldb. year: 1995", "productB": "title: dyda : data warehouse maintenance in fully concurrent environments. authors: jun chen , xin zhang , songting chen , andreas koeller , elke a. rundensteiner. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: coalescing in temporal databases. authors: michael d. soo , richard t. snodgrass , michael h. b\u00f6hlen. venue: vldb. year: 1996", "productB": "title: peerdb : peering into personal databases. authors: beng chin ooi , kian-lee tan , aoying zhou , chin hong goh , yingguang li , chu yee liau , bo ling , wee siong ng , yanfeng shu , xiaoyu wang , ming zhang. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: distance browsing in spatial databases. authors: hanan samet , g\u00edsli r. hjaltason. venue: acm trans . database syst .. year: 1999", "productB": "title: peerdb : peering into personal databases. authors: beng chin ooi , kian-lee tan , aoying zhou , chin hong goh , yingguang li , chu yee liau , bo ling , wee siong ng , yanfeng shu , xiaoyu wang , ming zhang. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: peerdb : peering into personal databases. authors: chu yee liau , aoying zhou , wee siong ng , ming zhang , bo ling , chin hong goh , yanfeng shu , kian-lee tan , yingguang li , xiaoyu wang , beng chin ooi. venue: sigmod conference. year: 2003", "productB": "title: peerdb : peering into personal databases. authors: beng chin ooi , kian-lee tan , aoying zhou , chin hong goh , yingguang li , chu yee liau , bo ling , wee siong ng , yanfeng shu , xiaoyu wang , ming zhang. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: the implementation and performance of compressed databases. authors: till westmann , sven helmer , guido moerkotte , donald kossmann. venue: sigmod record. year: 2000", "productB": "title: performance measurements of compressed bitmap indices. authors: theodore johnson. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: the implementation and performance of compressed databases. authors: till westmann , sven helmer , guido moerkotte , donald kossmann. venue: sigmod record. year: 2000", "productB": "title: performing joins without decompression in a compressed database system. authors: s. j. o'connell , n. winterbottom. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: data compression support in databases. authors: david wilhite , balakrishna r. iyer. venue: vldb. year: 1994", "productB": "title: performing joins without decompression in a compressed database system. authors: s. j. o'connell , n. winterbottom. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the implementation and performance of compressed databases. authors: till westmann , sven helmer , guido moerkotte , donald kossmann. venue: sigmod record. year: 2000", "productB": "title: the implementation and performance of compressed databases. authors: till westmann , donald kossmann , sven helmer , guido moerkotte. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: the implementation and performance of compressed databases. authors: till westmann , donald kossmann , sven helmer , guido moerkotte. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: index structures for selective dissemination of information under the boolean model. authors: tak w. yan , hector garcia-molina. venue: acm trans . database syst .. year: 1994", "productB": "title: index structures for selective dissemination of information under the boolean model. authors: tak w. yan , h é ctor garc í a-molina. venue: acm transactions on database systems ( tods ). year: 1994", "same": true} +{"productA": "title: towards an effective calculus for object query languages. authors: david maier , leonidas fegaras. venue: sigmod conference. year: 1995", "productB": "title: towards an effective calculus for object query languages. authors: leonidas fegaras , david maier. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: towards an odmg-compliant visual object query language. authors: manoj chavda , peter t. wood. venue: vldb. year: 1997", "productB": "title: towards an effective calculus for object query languages. authors: leonidas fegaras , david maier. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a language based multidatabase system. authors: konrad schwarz , eva k\u00fchn , thomas tschernko. venue: sigmod conference. year: 1994", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the mariposa distributed database management system. authors: jeff sidell. venue: sigmod record. year: 1996", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: on the costs of multilingualism in database systems. authors: a. kumaran , jayant r. haritsa. venue: vldb. year: 2003", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: schema and database evolution in the o2 object database system. authors: fabrizio ferrandina , guy ferran , thorsten meyer , roberto zicari , jo\u00eblle madec. venue: vldb. year: 1995", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the naos system. authors: christine collet , thierry coupaye. venue: sigmod conference. year: 1995", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: metu interoperable database system. authors: sema mancuhan , ismailcem budak arpinar , fatma ozcan , pinar koksal , asuman dogac , g\u00f6khan \u00f6zhan , cevdet dengi , ugur halici , cem evrendilek , sena nural , ebru kilic. venue: sigmod conference. year: 1996", "productB": "title: the ecrc multi database system. authors: willem jonker , heribert sch ü tz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: integration of electronic tickets and personal guide system for public transport using mobile terminals. authors: yahiko kambayashi , koichi goto. venue: sigmod conference. year: 2003", "productB": "title: integration of electronic tickets and personal guide system for public transport using mobile terminals. authors: koichi goto , yahiko kambayashi. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: merging ranks from heterogeneous internet sources. authors: hector garcia-molina , luis gravano. venue: vldb. year: 1997", "productB": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , daniela florescu , donald kossmann. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: yannis papakonstantinou , vasilis vassalos. venue: vldb. year: 1997", "productB": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , daniela florescu , donald kossmann. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: declustering databases on heterogeneous disk systems. authors: doron rotem , sridhar seshadri , ling tony chen. venue: vldb. year: 1995", "productB": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , daniela florescu , donald kossmann. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: kevin chen-chuan chang , hector garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: answering xml queries on heterogeneous data sources. authors: ioana manolescu , daniela florescu , donald kossmann. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: sentinel : an object-oriented dbms with event-based rules. authors: s. chakravarthy. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: sentinel : an object-oriented dbms with event-based rules. authors: sharma chakravarthy. venue: sigmod conference. year: 1997", "productB": "title: sentinel : an object-oriented dbms with event-based rules. authors: s. chakravarthy. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: procedures in object-oriented query languages. authors: kazimierz subieta , yahiko kambayashi , jacek leszczylowski. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: metu object-oriented dbms. authors: cetin ozkan , cem evrendilek , yuksel saygin , ilker altintas , ismailcem budak arpinar , mehmet altinel , tansel okay , ilker durusoy , asuman dogac. venue: sigmod conference. year: 1994", "productB": "title: odmg-93 : a standard for object-oriented dbmss. authors: r. g. g. cattell. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: a fast index for semistructured data. authors: brian cooper , g\u00edsli r. hjaltason , michael j. franklin , neal sample , moshe shadmon. venue: vldb. year: 2001", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: hans-peter kriegel , stefan berchtold , daniel a. keim. venue: vldb. year: 1996", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: rajeev rastogi , minos n. garofalakis , chee yong chan. venue: vldb. year: 2002", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: distance-based indexing for high-dimensional metric spaces. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: sigmod conference. year: 1997", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the nd-tree : a dynamic indexing technique for multidimensional non-ordered discrete data spaces. authors: gang qian , qiang xue , sakti pramanik , qiang zhu. venue: vldb. year: 2003", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: high-dimensional index structures , database support for next decade 's applications ( tutorial ). authors: daniel a. keim , stefan berchtold. venue: sigmod conference. year: 1998", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: masatoshi yoshikawa , shunsuke uemura , yasushi sakurai , haruhiko kojima. venue: vldb. year: 2000", "productB": "title: the tv-tree : an index structure for high-dimensional data. authors: king ip lin , h. v. jagadish , christos faloutsos. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j ö rgen hansson. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: report on dart ' 96 : databases : active and real-time ( concepts meet practice ). authors: krithi ramamritham , nandit soparkar. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: deeds towards a distributed and active real-time database system. authors: s. f. andler , j. hansson , j. eriksson , j. mellin , m. berndtsson , b. eftring. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: vldb. year: 1998", "productB": "title: deeds towards a distributed and active real-time database system. authors: s. f. andler , j. hansson , j. eriksson , j. mellin , m. berndtsson , b. eftring. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: advances in real-time database systems research. authors: azer bestavros. venue: sigmod record. year: 1996", "productB": "title: deeds towards a distributed and active real-time database system. authors: s. f. andler , j. hansson , j. eriksson , j. mellin , m. berndtsson , b. eftring. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: report on the 1995 international workshop on temporal databases. authors: arie segev , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: transaction timestamping in ( temporal ) databases. authors: christian s. jensen , david b. lomet. venue: vldb. year: 2001", "productB": "title: report on the 1995 international workshop on temporal databases. authors: arie segev , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: report on the web dynamics workshop at www 2002. authors: alexandra poulovassilis , mark levene. venue: sigmod record. year: 2002", "productB": "title: report on the 1995 international workshop on temporal databases. authors: arie segev , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: workshop report : the first international workshop on active and real-time database systems ( artdb-95 ). authors: mikael berndtsson , j\u00f6rgen hansson. venue: sigmod record. year: 1996", "productB": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: report on the 4th international conference on mobile data management. authors: panos k. chrysanthis , arkady b. zaslavsky , morris sloman. venue: sigmod record. year: 2003", "productB": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: watermarking relational databases. authors: rakesh agrawal , jerry kiernan. venue: vldb. year: 2002", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: banks : browsing and keyword searching in relational databases. authors: arvind hulgeri , gaurav bhalotia , soumen chakrabarti , parag , s. sudarshan , charuta nakhe , b. aditya. venue: vldb. year: 2002", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , wenyun ji , shihui zheng , hongjun lu , yuqi liang , zengping tian , long zhang. venue: vldb. year: 2001", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: stratis viglas , eugene j. shekita , rajasekar krishnamurthy , jayavel shanmugasundaram , jeffrey f. naughton , jerry kiernan , igor tatarinov. venue: sigmod record. year: 2001", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: semantics for update rule programs and implementations in a relational database management system. authors: louiqa raschid , jorge lobo. venue: acm trans . database syst .. year: 1996", "productB": "title: storing and querying ordered xml using a relational database system. authors: igor tatarinov , stratis d. viglas , kevin beyer , jayavel shanmugasundaram , eugene shekita , chun zhang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: a multidatabase system for tracking and retrieval of financial data. authors: munir cochinwala , john bradley. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: a multidatabase system for tracking and retrieval of financial data. authors: munir cochinwala , john bradley. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a multidatabase system for tracking and retrieval of financial data. authors: munir cochinwala , john bradley. venue: vldb. year: 1994", "productB": "title: a multidatabase system for tracking and retrieval of financial data. authors: munir cochinwala , john bradley. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 2001", "productB": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: sideway value algebra for object-relational databases. authors: z. meral \u00f6zsoyoglu , gultekin \u00f6zsoyoglu , abdullah al-hamdani , \u00f6zg\u00fcr ulusoy , selma ayse \u00f6zel , ismail seng\u00f6r alting\u00f6vde. venue: vldb. year: 2002", "productB": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: java and relational databases : sqlj ( tutorial ). authors: johannes klein , richard pledereder , gray clossman , brian becker , phil shaw , mark hapner. venue: sigmod conference. year: 1998", "productB": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: the xxl search engine : ranked retrieval of xml data using indexes and ontologies. authors: anja theobald , gerhard weikum. venue: sigmod conference. year: 2002", "productB": "title: storage and retrieval of xml data using relational databases. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: vldb. year: 1997", "productB": "title: efficient view maintenance at data warehouses. authors: d. agrawal , a. el abbadi , a. singh , t. yurek. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: efficient view maintenance at data warehouses. authors: tolga yurek , divyakant agrawal , amr el abbadi , ambuj k. singh. venue: sigmod conference. year: 1997", "productB": "title: efficient view maintenance at data warehouses. authors: d. agrawal , a. el abbadi , a. singh , t. yurek. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: the whips prototype for data warehouse creation and maintenance. authors: hector garcia-molina , himanshu gupta , wilburt labio , yue zhuge , janet l. wiener , jennifer widom. venue: sigmod conference. year: 1997", "productB": "title: efficient view maintenance at data warehouses. authors: d. agrawal , a. el abbadi , a. singh , t. yurek. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: vldb. year: 1997", "productB": "title: incremental clustering for mining in a data warehousing environment. authors: martin ester , hans-peter kriegel , j ö rg sander , michael wimmer , xiaowei xu. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: incremental organization for data recording and warehousing. authors: s. sudarshan , p. p. s. narayan , rama kanneganti , h. v. jagadish , s. seshadri. venue: vldb. year: 1997", "productB": "title: incremental clustering for mining in a data warehousing environment. authors: martin ester , hans-peter kriegel , j ö rg sander , michael wimmer , xiaowei xu. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: multiple-view self-maintenance in data warehousing environments. authors: nam huyn. venue: vldb. year: 1997", "productB": "title: maintenance of data cubes and summary tables in a warehouse. authors: inderpal singh mumick , dallan quass , barinderpal singh mumick. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: performance issues in incremental warehouse maintenance. authors: hector garcia-molina , wilburt labio , yingwei cui , jennifer widom , jun yang. venue: vldb. year: 2000", "productB": "title: maintenance of data cubes and summary tables in a warehouse. authors: inderpal singh mumick , dallan quass , barinderpal singh mumick. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: maintenance of automatic summary tables. authors: richard sidle , wolfgang lehner , hamid pirahesh , roberta cochrane. venue: sigmod conference. year: 2000", "productB": "title: maintenance of data cubes and summary tables in a warehouse. authors: inderpal singh mumick , dallan quass , barinderpal singh mumick. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: answering queries with aggregation using views. authors: h. v. jagadish , shaul dar , divesh srivastava , alon y. levy. venue: vldb. year: 1996", "productB": "title: winmagic : subquery elimination using window aggregation. authors: calisto zuzarte , hamid pirahesh , wenbin ma , qi cheng , linqi liu , kwai wong. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: answering queries with aggregation using views. authors: h. v. jagadish , shaul dar , divesh srivastava , alon y. levy. venue: vldb. year: 1996", "productB": "title: generating efficient plans for queries using views. authors: foto n. afrati , chen li , jeffrey d. ullman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient algorithms for processing xpath queries. authors: reinhard pichler , georg gottlob , christoph koch. venue: vldb. year: 2002", "productB": "title: generating efficient plans for queries using views. authors: foto n. afrati , chen li , jeffrey d. ullman. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: nikos mamoulis , dimitris papadias. venue: sigmod conference. year: 1999", "productB": "title: integration of spatial join algorithms for processing multiple inputs. authors: nikos mamoulis , dimitris papadias. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: integration of spatial join algorithms for processing multiple inputs. authors: nikos mamoulis , dimitris papadias. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: integration of spatial join algorithms for processing multiple inputs. authors: nikos mamoulis , dimitris papadias. venue: sigmod conference. year: 1999", "productB": "title: incremental distance join algorithms for spatial databases. authors: g í sli r. hjaltason , hanan samet. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: incremental distance join algorithms for spatial databases. authors: g í sli r. hjaltason , hanan samet. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: synchronization and recovery in a client-server storage system. authors: alexandros biliris , euthimios panagos. venue: vldb j.. year: 1997", "productB": "title: efficient transparent application recovery in client-server information systems. authors: david lomet , gerhard weikum. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: synchronization and recovery in a client-server storage system. authors: alexandros biliris , euthimios panagos. venue: vldb j.. year: 1997", "productB": "title: synchronization and recovery in a client-server storage system. authors: e. panagos , a. biliris. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": true} +{"productA": "title: a flexible and recoverable client/server database event notification system. authors: chun xu , eric n. hanson , roxana dastur , i.-cheng chen , vijay ramaswamy , wendy tan , kurt engel. venue: vldb j.. year: 1998", "productB": "title: synchronization and recovery in a client-server storage system. authors: e. panagos , a. biliris. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: efficient and transparent application recovery in client-server information systems. authors: david b. lomet , gerhard weikum. venue: sigmod conference. year: 1998", "productB": "title: synchronization and recovery in a client-server storage system. authors: e. panagos , a. biliris. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: the challenge of process data warehousing. authors: matthias jarke , j\u00f6rg k\u00f6ller , thomas list. venue: vldb. year: 2000", "productB": "title: the challenge of process data warehousing. authors: matthias jarke , thomas list , j ö rg k ö ller. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: tracing the lineage of view data in a warehousing environment. authors: janet l. wiener , yingwei cui , jennifer widom. venue: acm trans . database syst .. year: 2000", "productB": "title: the challenge of process data warehousing. authors: matthias jarke , thomas list , j ö rg k ö ller. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: the challenge of process data warehousing. authors: matthias jarke , j\u00f6rg k\u00f6ller , thomas list. venue: vldb. year: 2000", "productB": "title: warehousing workflow data : challenges and opportunities. authors: angela bonifati , fabio casati , umeshwar dayal , ming-chien shan. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: industrial panel on data warehousing technologies : experiences , challenges , and directions. authors: umeshwar dayal. venue: vldb. year: 1999", "productB": "title: warehousing workflow data : challenges and opportunities. authors: angela bonifati , fabio casati , umeshwar dayal , ming-chien shan. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: warehousing workflow data : challenges and opportunities. authors: umeshwar dayal , ming-chien shan , angela bonifati , fabio casati. venue: vldb. year: 2001", "productB": "title: warehousing workflow data : challenges and opportunities. authors: angela bonifati , fabio casati , umeshwar dayal , ming-chien shan. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: the challenge of process data warehousing. authors: matthias jarke , j\u00f6rg k\u00f6ller , thomas list. venue: vldb. year: 2000", "productB": "title: the ins and outs ( and everything in between ) of data warehousing. authors: phil fernandez , donovan schneider. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: the challenge of process data warehousing. authors: matthias jarke , j\u00f6rg k\u00f6ller , thomas list. venue: vldb. year: 2000", "productB": "title: directv and oracle rdb : the challenge of vldb transaction processing. authors: william l. gettys. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the impact of technology on commercial transaction processing. authors: edward e. cobb. venue: vldb j.. year: 1997", "productB": "title: directv and oracle rdb : the challenge of vldb transaction processing. authors: william l. gettys. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: an online video placement policy based on bandwith to space ratio ( bsr ). authors: dinkar sitaram , asit dan. venue: sigmod conference. year: 1995", "productB": "title: an online video placement policy based on bandwidth to space ratio ( bsr ). authors: asit dan , dinkar sitaram. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: manfred a. jeusfeld , hans-joachim lenz , panos vassiliadis , martin staudt. venue: sigmod record. year: 2003", "productB": "title: workshop report on experiences using object data management in the real-world. authors: akmal b. chaudhri. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: report on the 4th international conference on mobile data management. authors: panos k. chrysanthis , arkady b. zaslavsky , morris sloman. venue: sigmod record. year: 2003", "productB": "title: workshop report on experiences using object data management in the real-world. authors: akmal b. chaudhri. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: workshop report on experiences using object data management in the real-world. authors: akmal b. chaudhri. venue: sigmod record. year: 1998", "productB": "title: workshop report on experiences using object data management in the real-world. authors: akmal b. chaudhri. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: an introduction to spatial database systems. authors: ralf hartmut g\u00fcting. venue: vldb j.. year: 1994", "productB": "title: an introduction to deductive database languages and systems. authors: kotagiri ramamohanarao , james harland. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: an introduction to spatial database systems. authors: ralf hartmut g\u00fcting. venue: vldb j.. year: 1994", "productB": "title: managing intra-operator parallelism in parallel database systems. authors: manish mehta , david j. dewitt. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: metu interoperable database system. authors: ebru kilic , pinar koksal , cem evrendilek , ugur halici , sema mancuhan , n. kesim , asuman dogac , cevdet dengi , sena nural , g\u00f6khan \u00f6zhan , fatma ozcan , ismailcem budak arpinar. venue: sigmod record. year: 1995", "productB": "title: managing intra-operator parallelism in parallel database systems. authors: manish mehta , david j. dewitt. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an introduction to spatial database systems. authors: ralf hartmut g\u00fcting. venue: vldb j.. year: 1994", "productB": "title: report on first international workshop on real-time database systems. authors: azer bestavros , kwei-jay lin , sang son. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: report on first international workshop on real-time database systems. authors: azer bestavros , kwei-jay lin , sang son. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: report on the 8th international workshop on knowledge representation meets databases ( krdb ). authors: dan suciu , maurizio lenzerini , daniele nardi , werner nutt. venue: sigmod record. year: 2001", "productB": "title: report on first international workshop on real-time database systems. authors: azer bestavros , kwei-jay lin , sang son. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: report on fqas 2002 : fifth international conference on flexible query answering systems. authors: amihai motro , troels andreasen. venue: sigmod record. year: 2003", "productB": "title: report on first international workshop on real-time database systems. authors: azer bestavros , kwei-jay lin , sang son. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: an introduction to spatial database systems. authors: ralf hartmut g\u00fcting. venue: vldb j.. year: 1994", "productB": "title: temporal database system implementations. authors: michael h. b ö hlen. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: the structured information manager : a database system for sgml documents. authors: ron sacks-davis. venue: vldb. year: 1996", "productB": "title: temporal database system implementations. authors: michael h. b ö hlen. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , wenyun ji , shihui zheng , hongjun lu , yuqi liang , zengping tian , long zhang. venue: vldb. year: 2001", "productB": "title: temporal database system implementations. authors: michael h. b ö hlen. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: the ecrc multi database system. authors: heribert sch\u00fctz , willem jonker. venue: sigmod conference. year: 1995", "productB": "title: temporal database system implementations. authors: michael h. b ö hlen. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: implementing database operations using simd instructions. authors: kenneth a. ross , jingren zhou. venue: sigmod conference. year: 2002", "productB": "title: temporal database system implementations. authors: michael h. b ö hlen. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an introduction to spatial database systems. authors: ralf hartmut g\u00fcting. venue: vldb j.. year: 1994", "productB": "title: analysis of locking behavior in three real database systems. authors: vigyan singhal , alan jay smith. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: david j. dewitt , manish mehta. venue: vldb. year: 1995", "productB": "title: analysis of locking behavior in three real database systems. authors: vigyan singhal , alan jay smith. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: hans-peter kriegel , stefan berchtold , daniel a. keim. venue: vldb. year: 1996", "productB": "title: re-tree : an efficient index structure for regular expressions. authors: chee-yong chan , minos garofalakis , rajeev rastogi. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: sigmod conference. year: 1997", "productB": "title: re-tree : an efficient index structure for regular expressions. authors: chee-yong chan , minos garofalakis , rajeev rastogi. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: the x-tree : an index structure for high-dimensional data. authors: hans-peter kriegel , stefan berchtold , daniel a. keim. venue: vldb. year: 1996", "productB": "title: independence is good : dependency-based histogram synopses for high-dimensional data. authors: amol deshpande , minos garofalakis , rajeev rastogi. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: bulk-loading techniques for object databases and an application to relational data. authors: claude delobel , sophie cluet , sihem amer-yahia. venue: vldb. year: 1998", "productB": "title: application of oodb and sgml techniques in text database : an electronic dictionary system. authors: jian zhang. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: multi-dimensional resource scheduling for parallel queries. authors: yannis e. ioannidis , minos n. garofalakis. venue: sigmod conference. year: 1996", "productB": "title: resource scheduling for composite multimedia objects. authors: minos n. garofalakis , yannis e. ioannidis , banu Ö zden. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: resource scheduling for composite multimedia objects. authors: yannis e. ioannidis , minos n. garofalakis , banu \u00f6zden. venue: vldb. year: 1998", "productB": "title: resource scheduling for composite multimedia objects. authors: minos n. garofalakis , yannis e. ioannidis , banu Ö zden. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: maintenance of implication integrity constraints under updates to constraints. authors: naci ishakbeyoglu , z. meral \u00f6zsoyoglu. venue: vldb j.. year: 1998", "productB": "title: using versions in update transactions : application to integrity checking. authors: fran ç ois llirbat , eric simon , dimitri tombroff. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: using versions in update transactions : application to integrity checking. authors: dimitri tombroff , eric simon , fran\u00e7ois llirbat. venue: vldb. year: 1997", "productB": "title: using versions in update transactions : application to integrity checking. authors: fran ç ois llirbat , eric simon , dimitri tombroff. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: the query optimizer in tandem 's new serverware sql product. authors: pedro celis. venue: vldb. year: 1996", "productB": "title: the query optimizer in tandem 's new serverware sql product. authors: pedro celis. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: data management issues in electronic commerce ( panel ). authors: m. tamer \u00f6zsu. venue: sigmod conference. year: 1999", "productB": "title: data management issues in electronic commerce : guest editor 's introduction. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: from the guest editors - special section on data management issues in mobile computing. authors: margaret h. dunham , abdelsalam helal. venue: sigmod record. year: 1995", "productB": "title: data management issues in electronic commerce : guest editor 's introduction. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: data management issues in electronic commerce ( panel ). authors: m. tamer \u00f6zsu. venue: sigmod conference. year: 1999", "productB": "title: data management issues in electronic commerce. authors: m. tamer Ö zsu. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: data management in ecommerce : the good , the bad , and the ugly. authors: avigdor gal. venue: sigmod conference. year: 2000", "productB": "title: data management issues in electronic commerce. authors: m. tamer Ö zsu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: catalog management in websphere commerce suite. authors: thomas maguire. venue: sigmod conference. year: 2001", "productB": "title: data management issues in electronic commerce. authors: m. tamer Ö zsu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: database technologies for electronic commerce. authors: yirong xu , ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 2002", "productB": "title: data management issues in electronic commerce. authors: m. tamer Ö zsu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: data management issues in electronic commerce ( panel ). authors: m. tamer \u00f6zsu. venue: sigmod conference. year: 1999", "productB": "title: towards a theory of cost management for digital libraries and electronic commerce. authors: a. prasad sistla , ouri wolfson , yelena yesha , robert sloan. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: data management issues in electronic commerce ( panel ). authors: m. tamer \u00f6zsu. venue: sigmod conference. year: 1999", "productB": "title: data management issues in electronic commerce. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: data management for earth system science. authors: james frew , jeff dozier. venue: sigmod record. year: 1997", "productB": "title: data management issues in electronic commerce. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: issues in data stream management. authors: lukasz golab , m. tamer \u00f6zsu. venue: sigmod record. year: 2003", "productB": "title: data management issues in electronic commerce. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: towards a theory of cost management for digital libraries and electronic commerce. authors: a. prasad sistla , robert h. sloan , yelena yesha , ouri wolfson. venue: acm trans . database syst .. year: 1998", "productB": "title: data management issues in electronic commerce. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database technologies for electronic commerce. authors: yirong xu , ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 2002", "productB": "title: data management issues in electronic commerce. authors: asuman dogac. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: xsb as a deductive database. authors: konstantinos sagonas , terrance swift , david s. warren. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: timber : a native xml database. authors: andrew nierman , cong yu , jignesh m. patel , adriane chapman , nuwee wiwatwattana , h. v. jagadish , yuqing wu , laks v. s. lakshmanan , divesh srivastava , shurug al-khalifa , stelios paparizos. venue: vldb j.. year: 2002", "productB": "title: xsb as a deductive database. authors: konstantinos sagonas , terrance swift , david s. warren. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: shivakumar venkataraman , tian zhang. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: ibm 's db2 universal database demonstrations at vldb '98. authors: k. bernhard schiefer , karen brannon , guy m. lohman , gene fuh , jim kleewein. venue: vldb. year: 1998", "productB": "title: heterogeneous database query optimization in db2 universal datajoiner. authors: shivakumar venkataraman , tian zhang. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: space optimization in deductive databases. authors: s. sudarshan , divesh srivastava , raghu ramakrishnan , jeffrey f. naughton. venue: acm trans . database syst .. year: 1995", "productB": "title: some issues in design of distributed deductive databases. authors: mukesh k. mohania , nandlal l. sarda. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: incremental maintenance of externally materialized views. authors: martin staudt , matthias jarke. venue: vldb. year: 1996", "productB": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim schue , v. s. subrahmanian. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: efficient materialization and use of views in data warehouses. authors: m\u00e1rcio farias de souza , marcus costa sampaio. venue: sigmod record. year: 1999", "productB": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim schue , v. s. subrahmanian. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: incremental maintenance for materialized views over semistructured data. authors: vasilis vassalos , janet l. wiener , michael rys , serge abiteboul , jason mchugh. venue: vldb. year: 1998", "productB": "title: efficient maintenance of materialized mediated views. authors: james j. lu , guido moerkotte , joachim schue , v. s. subrahmanian. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: incremental maintenance of externally materialized views. authors: martin staudt , matthias jarke. venue: vldb. year: 1996", "productB": "title: incremental computation and maintenance of temporal aggregates. authors: jun yang , jennifer widom. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: fast incremental maintenance of approximate histograms. authors: viswanath poosala , phillip b. gibbons , yossi matias. venue: acm trans . database syst .. year: 2002", "productB": "title: incremental computation and maintenance of temporal aggregates. authors: jun yang , jennifer widom. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kaladhar voruganti , ren\u00e9e j. miller , kenneth a. ross , flip korn. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences an influential papers. authors: jeffrey f. naughton , minos n. garofalakis , kenneth a. ross. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , beng chin ooi , frank neven. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: z. meral \u00f6zsoyoglu , philip s. yu , nick roussopoulos , krithi ramamritham , alberto o. mendelzon , richard t. snodgrass , laura m. haas , jennifer widom , jan paredaens. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: gerhard weikum , alon y. levy , divesh srivastava , eric simon , patrick e. o'neil , victor vianu , kenneth a. ross , christos faloutsos. venue: sigmod record. year: 2000", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kaladhar voruganti , ren\u00e9e j. miller , kenneth a. ross , flip korn. venue: sigmod record. year: 2002", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences an influential papers. authors: jeffrey f. naughton , minos n. garofalakis , kenneth a. ross. venue: sigmod record. year: 2003", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: s. sudarshan , charu c. aggarwal , mihalis yannakakis , alfons kemper , kenneth a. ross , sunita sarawagi. venue: sigmod record. year: 2000", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , beng chin ooi , frank neven. venue: sigmod record. year: 2003", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: theodore johnson , amr el abbadi , richard t. snodgrass , kenneth a. ross. venue: sigmod record. year: 2002", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: z. meral \u00f6zsoyoglu , philip s. yu , nick roussopoulos , krithi ramamritham , alberto o. mendelzon , richard t. snodgrass , laura m. haas , jennifer widom , jan paredaens. venue: sigmod record. year: 1998", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: patrick valduriez , serge abiteboul , sophie cluet , kenneth a. ross , raghu ramakrishnan , guy m. lohman , david b. lomet , richard t. snodgrass , gultekin \u00f6zsoyoglu , michael j. franklin , timos k. sellis. venue: sigmod record. year: 1999", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: per-\u00e5ke larson , luis gravano , stefano ceri , leonid libkin , tova milo , kenneth a. ross. venue: sigmod record. year: 2001", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: l/mrp : a buffer management strategy for interactive continuous data flows in a multimedia dbms. authors: wolfgang klas , frank moser , achim kraiss. venue: vldb. year: 1995", "productB": "title: l/mrp : a buffer management strategy for interactive continuous data flows in a multimedia dbms. authors: frank moser , achim kraiss , wolfgang klas. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm trans . database syst .. year: 1994", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: watermarking relational databases. authors: rakesh agrawal , jerry kiernan. venue: vldb. year: 2002", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: efficient ir-style keyword search over relational databases. authors: yannis papakonstantinou , luis gravano , vagelis hristidis. venue: vldb. year: 2003", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: vldb. year: 1996", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: enhanced abstract data types in object-relational databases. authors: praveen seshadri. venue: vldb j.. year: 1998", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: dbxplorer : enabling keyword search over relational databases. authors: gautam das , sanjay agrawal , surajit chaudhuri. venue: sigmod conference. year: 2002", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: cumulative updates. authors: beat w\u00fcthrich , suryanarayana m. sripada. venue: vldb. year: 1994", "productB": "title: declarative updates of relational databases. authors: weidong chen. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm trans . database syst .. year: 1994", "productB": "title: ofl : a functional execution model for object query languages. authors: georges gardarin , fernando machuca , philippe pucheral. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm trans . database syst .. year: 1994", "productB": "title: data page layouts for relational databases on deep memory hierarchies. authors: anastassia ailamaki , david j. dewitt , mark d. hill. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: watermarking relational databases. authors: rakesh agrawal , jerry kiernan. venue: vldb. year: 2002", "productB": "title: data page layouts for relational databases on deep memory hierarchies. authors: anastassia ailamaki , david j. dewitt , mark d. hill. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: cost-based selection of path expression processing algorithms in object-oriented databases. authors: zhao-hui tang , georges gardarin , jean-robert gruser. venue: vldb. year: 1996", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: the algres testbed of chimera : an active object-oriented database system. authors: giuseppe psaila , stefano ceri , stefano paraboschi , piero fraternali. venue: sigmod conference. year: 1995", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: david j. dewitt , navin kabra. venue: vldb j.. year: 1999", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: qing li , chi-wai fung , kamalakar karlapalem. venue: vldb j.. year: 2003", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: a survey of logical models for olap databases. authors: timos k. sellis , panos vassiliadis. venue: sigmod record. year: 1999", "productB": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , gillian dobbie , tok wang ling. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: a componentized architecture for dynamic electronic markets. authors: israel ben-shaul , benny reich. venue: sigmod record. year: 1998", "productB": "title: a conceptual architecture for semantic web enabled web services. authors: christoph bussler , dieter fensel , alexander maedche. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: a componentized architecture for dynamic electronic markets. authors: israel ben-shaul , benny reich. venue: sigmod record. year: 1998", "productB": "title: a layered architecture for querying dynamic web content. authors: hasan davulcu , juliana freire , michael kifer , i. v. ramakrishnan. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: foreword by the vldb '98 pc chairmen : best papers of vldb '98. authors: oded shmueli , jennifer widom. venue: vldb j.. year: 2000", "productB": "title: foreword by the vldb '98 pc chairmen. authors: o. shmueli , j. widom. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": true} +{"productA": "title: supporting top-k join queries in relational databases. authors: walid g. aref , ahmed k. elmagarmid , ihab f. ilyas. venue: vldb. year: 2003", "productB": "title: supporting incremental join queries on ranked inputs. authors: apostol natsev , yuan-chi chang , john r. smith , chung-sheng li , jeffrey scott vitter. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: distributed query evaluation on semistructured data. authors: dan suciu. venue: acm trans . database syst .. year: 2002", "productB": "title: qursed : querying and reporting semistructured data. authors: yannis papakonstantinou , michalis petropoulos , vasilis vassalos. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: vldb. year: 1997", "productB": "title: qursed : querying and reporting semistructured data. authors: yannis papakonstantinou , michalis petropoulos , vasilis vassalos. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: rajeev rastogi , minos n. garofalakis , chee yong chan. venue: vldb. year: 2002", "productB": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b. sreenath , s. seshadri. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a data model and data structures for moving objects databases. authors: markus schneider , enrico nardelli , luca forlizzi , ralf hartmut g\u00fcting. venue: sigmod conference. year: 2000", "productB": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b. sreenath , s. seshadri. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: king-ip lin , h. v. jagadish , christos faloutsos. venue: vldb j.. year: 1994", "productB": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b. sreenath , s. seshadri. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: re-tree : an efficient index structure for regular expressions. authors: chee yong chan , minos n. garofalakis , rajeev rastogi. venue: vldb j.. year: 2003", "productB": "title: the hcc-tree : an efficient index structure for object oriented databases. authors: b. sreenath , s. seshadri. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: declarative updates of relational databases. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a data transformation system for biological data sources. authors: susan b. davidson , limsoon wong , kyle hart , peter buneman , g. christian overton. venue: vldb. year: 1995", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: stratis viglas , eugene j. shekita , rajasekar krishnamurthy , jayavel shanmugasundaram , jeffrey f. naughton , jerry kiernan , igor tatarinov. venue: sigmod record. year: 2001", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a database platform for bioinformatics. authors: sandeepan banerjee. venue: vldb. year: 2000", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: storing and querying ordered xml using a relational database system. authors: kevin s. beyer , jayavel shanmugasundaram , chun zhang , igor tatarinov , stratis viglas , eugene j. shekita. venue: sigmod conference. year: 2002", "productB": "title: a system for watermarking relational databases. authors: rakesh agrawal , peter j. haas , jerry kiernan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: temporal database system implementations. authors: michael h. b\u00f6hlen. venue: sigmod record. year: 1995", "productB": "title: temporal statement modifiers. authors: michael h. b ö hlen , christian s. jensen , richard thomas snodgrass. venue: acm transactions on database systems ( tods ). year: 2000", "same": false} +{"productA": "title: temporal statement modifiers. authors: richard t. snodgrass , christian s. jensen , michael h. b\u00f6hlen. venue: acm trans . database syst .. year: 2000", "productB": "title: temporal statement modifiers. authors: michael h. b ö hlen , christian s. jensen , richard thomas snodgrass. venue: acm transactions on database systems ( tods ). year: 2000", "same": true} +{"productA": "title: panel : future directions of database research - the vldb broadening strategy , part 2. authors: michael l. brodie. venue: vldb. year: 2000", "productB": "title: panel : future directions of database research - the vldb broadening strategy , part 1. authors: hans-j ö rg schek. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: panel : future directions of database research - the vldb broadening strategy , part 1. authors: hans-j\u00f6rg schek. venue: vldb. year: 2000", "productB": "title: panel : future directions of database research - the vldb broadening strategy , part 1. authors: hans-j ö rg schek. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: alberto o. mendelzon , paolo atzeni. venue: sigmod record. year: 1998", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: sigmod record. year: 2002", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge representation meets databases. authors: manfred a. jeusfeld , franz baader , werner nutt. venue: sigmod record. year: 1997", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: report on ngits ' 99 : the 4th international workshop on next generation information technologies and systems. authors: opher etzion. venue: sigmod record. year: 1999", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: research and practice in federated information systems , report of the efis ' 2000 international workshop. authors: ralf-detlef kutsche , geert-jan houben , mark roantree , bodo rieger , wilhelm hasselbring , kazimierz subieta , willem-jan van den heuvel. venue: sigmod record. year: 2000", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: engineering federated information systems : report of efis '99 workshop. authors: f\u00e8lix saltor , uwe hohenstein , ralf-detlef kutsche , wilhelm hasselbring , gunter saake , stefan conrad , mark roantree. venue: sigmod record. year: 1999", "productB": "title: report on the first international workshop on efficient web-based information systems. authors: zo é lacroix , omar boucelma. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: alberto o. mendelzon , paolo atzeni. venue: sigmod record. year: 1998", "productB": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: hans j. lenz , panos vassiliadis , manfred jeusfeld , martin staudt. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: sigmod record. year: 2002", "productB": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: hans j. lenz , panos vassiliadis , manfred jeusfeld , martin staudt. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: report on the 1995 international workshop on temporal databases. authors: arie segev , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 1995", "productB": "title: report on the 5th international workshop on the design and management of data warehouses ( dmdw ' 03 ). authors: hans j. lenz , panos vassiliadis , manfred jeusfeld , martin staudt. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: webdb ' 98 : international workshop on the web and databases. authors: alberto o. mendelzon , paolo atzeni. venue: sigmod record. year: 1998", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: sigmod record. year: 2002", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: report on ngits ' 99 : the 4th international workshop on next generation information technologies and systems. authors: opher etzion. venue: sigmod record. year: 1999", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: report on first international workshop on real-time database systems. authors: sang hyuk son , kwei-jay lin , azer bestavros. venue: sigmod record. year: 1996", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: report on the fourth international conference on flexible query answering systems. authors: gabriella pasi , amihai motro , patrick bosc. venue: sigmod record. year: 2001", "productB": "title: report on ngits ' 99 : the fourth international workshop on next generation information technologies and systems. authors: opher etzion. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: the multidimensional database system rasdaman. authors: andreas dehmel , peter baumann , norbert widmann , roland ritsch , paula furtado. venue: sigmod conference. year: 1998", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: weifa liang , maria e. orlowska , jeffrey x. yu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: weifa liang , maria e. orlowska , jeffrey x. yu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: a foundation for multi-dimensional databases. authors: laks v. s. lakshmanan , marc gyssens. venue: vldb. year: 1997", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: weifa liang , maria e. orlowska , jeffrey x. yu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: materialized views selection in a multidimensional database. authors: ernest teniente , elena baralis , stefano paraboschi. venue: vldb. year: 1997", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: weifa liang , maria e. orlowska , jeffrey x. yu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: optimizing multidimensional index trees for main memory access. authors: sang kyun cha , keunjoo kwon , kihong kim. venue: sigmod conference. year: 2001", "productB": "title: optimizing multiple dimensional queries simultaneously in multidimensional databases. authors: weifa liang , maria e. orlowska , jeffrey x. yu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: the multidimensional database system rasdaman. authors: andreas dehmel , peter baumann , norbert widmann , roland ritsch , paula furtado. venue: sigmod conference. year: 1998", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: efficient search of multi-dimensional b-trees. authors: dave birdsall , hedieh yaghmai , harry leslie , rohit jain. venue: vldb. year: 1995", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: a foundation for multi-dimensional databases. authors: laks v. s. lakshmanan , marc gyssens. venue: vldb. year: 1997", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: user-adaptive exploration of multidimensional data. authors: sunita sarawagi. venue: vldb. year: 2000", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: sql and management of external data. authors: jan-eike michels , jim melton , krishna g. kulkarni , peter m. schwarz , kathy zeidenstein , vanja josifovski. venue: sigmod record. year: 2001", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: user-cognizant multidimensional analysis. authors: sunita sarawagi. venue: vldb j.. year: 2001", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: intelligent rollups in multidimensional olap data. authors: sunita sarawagi , gayatri sathe. venue: vldb. year: 2001", "productB": "title: management of multidimensional discrete data. authors: peter baumann. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: an extensible compressor for xml data. authors: dan suciu , hartmut liefke. venue: sigmod record. year: 2000", "productB": "title: xpress : a queriable compression for xml data. authors: jun-ki min , myung-jae park , chin-wan chung. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: repositories and object oriented databases. authors: philip a. bernstein. venue: sigmod record. year: 1998", "productB": "title: pesto : an integrated query/browser for object databases. authors: michael j. carey , laura m. haas , vivekananda maganty , john h. williams. venue: very large data bases. year: 1996", "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: pesto : an integrated query/browser for object databases. authors: michael j. carey , laura m. haas , vivekananda maganty , john h. williams. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: pesto : an integrated query/browser for object databases. authors: laura m. haas , michael j. carey , vivekananda maganty , john h. williams. venue: vldb. year: 1996", "productB": "title: pesto : an integrated query/browser for object databases. authors: michael j. carey , laura m. haas , vivekananda maganty , john h. williams. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: integrating the ub-tree into a database system kernel. authors: robert fenk , rudolf bayer , volker markl , martin zirkel , frank ramsak , klaus elhardt. venue: vldb. year: 2000", "productB": "title: integrating reliable memory in databases. authors: wee teck ng , peter m. chen. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: information translation , mediation , and mosaic-based browsing in the tsimmis system. authors: yannis papakonstantinou , joachim hammer , jennifer widom , jeffrey d. ullman , hector garcia-molina , kelly ireland. venue: sigmod conference. year: 1995", "productB": "title: information gathering in the world-wide web : the w3ql query language and the w3qs system. authors: david konopnicki , oded shmueli. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: mitch cherniack , kenneth a. ross , gottfried vossen. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: theodore johnson , amr el abbadi , richard t. snodgrass , kenneth a. ross. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: patrick valduriez , serge abiteboul , sophie cluet , kenneth a. ross , raghu ramakrishnan , guy m. lohman , david b. lomet , richard t. snodgrass , gultekin \u00f6zsoyoglu , michael j. franklin , timos k. sellis. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: james r. hamilton , limsoon wong , kenneth a. ross , laks v. s. lakshmanan. venue: sigmod record. year: 2001", "productB": "title: reminiscences on influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: space-efficient online computation of quantile summaries. authors: sanjeev khanna , michael greenwald. venue: sigmod conference. year: 2001", "productB": "title: space-efficient online computation of quantile summaries. authors: michael greenwald , sanjeev khanna. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: a framework for implementing hypothetical queries. authors: timothy griffin , richard hull. venue: sigmod conference. year: 1997", "productB": "title: hypothetical queries in an olap environment. authors: andrey balmin , thanos papadimitriou , yannis papakonstantinou. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: hypothetical queries in an olap environment. authors: thanos papadimitriou , andrey balmin , yannis papakonstantinou. venue: vldb. year: 2000", "productB": "title: hypothetical queries in an olap environment. authors: andrey balmin , thanos papadimitriou , yannis papakonstantinou. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: christos h. papadimitriou , anant jhingran , yannis e. ioannidis , kenneth a. ross. venue: sigmod record. year: 2000", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: theodore johnson , amr el abbadi , richard t. snodgrass , kenneth a. ross. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: patrick valduriez , serge abiteboul , sophie cluet , kenneth a. ross , raghu ramakrishnan , guy m. lohman , david b. lomet , richard t. snodgrass , gultekin \u00f6zsoyoglu , michael j. franklin , timos k. sellis. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , anastassia ailamaki , alfred v. aho. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences an influential papers. authors: jeffrey f. naughton , minos n. garofalakis , kenneth a. ross. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , anastassia ailamaki , alfred v. aho. venue: sigmod record. year: 2002", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: reminiscences on influential papers. authors: jun rao , kenneth a. ross , johannes gehrke. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: improving timeliness in real-time secure database systems. authors: sang hyuk son , rasikan david , bhavani m. thuraisingham. venue: sigmod record. year: 1996", "productB": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: managing intra-operator parallelism in parallel database systems. authors: david j. dewitt , manish mehta. venue: vldb. year: 1995", "productB": "title: towards self-tuning data placement in parallel database systems. authors: mong li lee , masaru kitsuregawa , beng chin ooi , kian-lee tan , anirban mondal. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: parallel database systems 101. authors: jim gray. venue: sigmod conference. year: 1995", "productB": "title: towards self-tuning data placement in parallel database systems. authors: mong li lee , masaru kitsuregawa , beng chin ooi , kian-lee tan , anirban mondal. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: a non-uniform data fragmentation strategy for parallel main-menory database systems. authors: nick bassiliades , ioannis p. vlahavas. venue: vldb. year: 1995", "productB": "title: towards self-tuning data placement in parallel database systems. authors: mong li lee , masaru kitsuregawa , beng chin ooi , kian-lee tan , anirban mondal. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: information systems research at george mason university. authors: sushil jajodia , amihai motro , edgar h. sibley , alexander brodsky , larry kerschberg , xiaoyang sean wang , daniel barbar\u00e1. venue: sigmod record. year: 1997", "productB": "title: research and practice in federated information systems. authors: w. hasselbring , w.-j . van den heuvel , g. j. houben , r.-d . kutsche , b. rieger , m. roantree , k. subieta. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: research issues in federated database systems : report of efdbs '97 workshop. authors: f\u00e8lix saltor , mark roantree , mark w. w. vermeer , wilhelm hasselbring , martin sch\u00f6nhoff , markus str\u00e4ssler , barry eaglestone , stefan conrad. venue: sigmod record. year: 1997", "productB": "title: research and practice in federated information systems. authors: w. hasselbring , w.-j . van den heuvel , g. j. houben , r.-d . kutsche , b. rieger , m. roantree , k. subieta. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: information systems research at george mason university. authors: sushil jajodia , amihai motro , edgar h. sibley , alexander brodsky , larry kerschberg , xiaoyang sean wang , daniel barbar\u00e1. venue: sigmod record. year: 1997", "productB": "title: research directions in biodiversity informatics. authors: john l. schnase. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: research in information managment at dublin city university. authors: alan f. smeaton , mark roantree. venue: sigmod record. year: 2002", "productB": "title: research directions in biodiversity informatics. authors: john l. schnase. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: mining surprising patterns using temporal description length. authors: soumen chakrabarti , byron dom , sunita sarawagi. venue: vldb. year: 1998", "productB": "title: mining surprising patterns using temporal description length. authors: soumen chakrabarti , sunita sarawagi , byron dom. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: selectivity estimation using probabilistic models. authors: daphne koller , lise getoor , benjamin taskar. venue: sigmod conference. year: 2001", "productB": "title: dynamic maintenance of data distribution for selectivity estimation. authors: kyu young whang , sang wook kim , gio wiederhold. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: bernhard seeger , bj\u00f6rn blohsfeld , dieter korus. venue: sigmod conference. year: 1999", "productB": "title: dynamic maintenance of data distribution for selectivity estimation. authors: kyu young whang , sang wook kim , gio wiederhold. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: selectivity estimation using probabilistic models. authors: daphne koller , lise getoor , benjamin taskar. venue: sigmod conference. year: 2001", "productB": "title: selectivity estimation using probabilistic models. authors: lise getoor , benjamin taskar , daphne koller. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: eugene j. shekita , viswanath poosala , yannis e. ioannidis , peter j. haas. venue: sigmod conference. year: 1996", "productB": "title: selectivity estimation using probabilistic models. authors: lise getoor , benjamin taskar , daphne koller. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: spatial join selectivity using power laws. authors: christos faloutsos , bernhard seeger , caetano traina jr. , agma j. m. traina. venue: sigmod conference. year: 2000", "productB": "title: selectivity estimation using probabilistic models. authors: lise getoor , benjamin taskar , daphne koller. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: adaptive selectivity estimation using query feedback. authors: chung-min chen , nick roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: selectivity estimation using probabilistic models. authors: lise getoor , benjamin taskar , daphne koller. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: selectivity estimation using probabilistic models. authors: daphne koller , lise getoor , benjamin taskar. venue: sigmod conference. year: 2001", "productB": "title: wavelet-based histograms for selectivity estimation. authors: yossi matias , jeffrey scott vitter , min wang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: adaptive selectivity estimation using query feedback. authors: chung-min chen , nick roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: wavelet-based histograms for selectivity estimation. authors: yossi matias , jeffrey scott vitter , min wang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: wavelet-based histograms for selectivity estimation. authors: jeffrey scott vitter , yossi matias , min wang. venue: sigmod conference. year: 1998", "productB": "title: wavelet-based histograms for selectivity estimation. authors: yossi matias , jeffrey scott vitter , min wang. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: multi-dimensional selectivity estimation using compressed histogram information. authors: deok-hwan kim , ju-hong lee , chin-wan chung. venue: sigmod conference. year: 1999", "productB": "title: wavelet-based histograms for selectivity estimation. authors: yossi matias , jeffrey scott vitter , min wang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: selectivity estimation using probabilistic models. authors: daphne koller , lise getoor , benjamin taskar. venue: sigmod conference. year: 2001", "productB": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h. v. jagadish , olga kapitskaia , raymond t. ng , divesh srivastava. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: selectivity estimation in spatial databases. authors: viswanath poosala , sridhar ramaswamy , swarup acharya. venue: sigmod conference. year: 1999", "productB": "title: one-dimensional and multi-dimensional substring selectivity estimation. authors: h. v. jagadish , olga kapitskaia , raymond t. ng , divesh srivastava. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: new tpc benchmarks for decision support and web commerce. authors: meikel p\u00f6ss , chris floyd. venue: sigmod record. year: 2000", "productB": "title: tpc-ds , taking decision support benchmarking to the next level. authors: meikel poess , bryan smith , lubor kollar , paul larson. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: dynamic multidimensional histograms. authors: piotr indyk , sudipto guha , nitin thaper , nick koudas. venue: sigmod conference. year: 2002", "productB": "title: dynamic maintenance of wavelet-based histograms. authors: yossi matias , jeffrey scott vitter , min wang. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: dynamic multidimensional histograms. authors: piotr indyk , sudipto guha , nitin thaper , nick koudas. venue: sigmod conference. year: 2002", "productB": "title: dynamic multidimensional histograms. authors: nitin thaper , sudipto guha , piotr indyk , nick koudas. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: dynamic maintenance of wavelet-based histograms. authors: yossi matias , jeffrey scott vitter , min wang. venue: vldb. year: 2000", "productB": "title: dynamic multidimensional histograms. authors: nitin thaper , sudipto guha , piotr indyk , nick koudas. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: dynamic multidimensional histograms. authors: piotr indyk , sudipto guha , nitin thaper , nick koudas. venue: sigmod conference. year: 2002", "productB": "title: caching multidimensional queries using chunks. authors: prasad m. deshpande , karthikeyan ramasamy , amit shukla , jeffrey f. naughton. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: caching multidimensional queries using chunks. authors: karthikeyan ramasamy , prasad deshpande , amit shukla , jeffrey f. naughton. venue: sigmod conference. year: 1998", "productB": "title: caching multidimensional queries using chunks. authors: prasad m. deshpande , karthikeyan ramasamy , amit shukla , jeffrey f. naughton. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: data management for earth system science. authors: james frew , jeff dozier. venue: sigmod record. year: 1997", "productB": "title: data management for pervasive computing. authors: mitch cherniack , michael j. franklin , stanley b. zdonik. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: business data management for b2b electronic commerce. authors: manfred a. jeusfeld , mareike schoop , christoph quix. venue: sigmod record. year: 2002", "productB": "title: data management for pervasive computing. authors: mitch cherniack , michael j. franklin , stanley b. zdonik. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: stholes : a multidimensional workload-aware histogram. authors: luis gravano , nicolas bruno , surajit chaudhuri. venue: sigmod conference. year: 2001", "productB": "title: stholes : a multidimensional workload-aware histogram. authors: nicolas bruno , surajit chaudhuri , luis gravano. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: reminiscences on influential papers. authors: christos h. papadimitriou , anant jhingran , yannis e. ioannidis , kenneth a. ross. venue: sigmod record. year: 2000", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: s. sudarshan , charu c. aggarwal , mihalis yannakakis , alfons kemper , kenneth a. ross , sunita sarawagi. venue: sigmod record. year: 2000", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: christos h. papadimitriou , anant jhingran , yannis e. ioannidis , kenneth a. ross. venue: sigmod record. year: 2000", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross , theodore johnson , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: s. sudarshan , charu c. aggarwal , mihalis yannakakis , alfons kemper , kenneth a. ross , sunita sarawagi. venue: sigmod record. year: 2000", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross , theodore johnson , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , beng chin ooi , frank neven. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross , theodore johnson , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: concurrent garbage collection in o2. authors: marcin skubiszewski , patrick valduriez. venue: vldb. year: 1997", "productB": "title: partitioned garbage collection of a large object store. authors: umesh maheshwari , barbara liskov. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: cache conscious indexing for decision-support in main memory. authors: kenneth a. ross , jun rao. venue: vldb. year: 1999", "productB": "title: cache conscious indexing for decision-support in main memory. authors: jun rao , kenneth a. ross. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: dwms : data warehouse management system. authors: narendra mohan. venue: vldb. year: 1996", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": true} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: database management systems and the internet. authors: susan malaika. venue: vldb. year: 1996", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: boualem benatallah , anne h. h. ngu , phuong nguyen , liangzhao zeng. venue: vldb. year: 2001", "productB": "title: anatomy of a native xml base management system. authors: t. fiebig , s. helmer , c.-c . kanne , g. moerkotte , j. neumann , r. schiele , t. westmann. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: modeling high-dimensional index structures using sampling. authors: christian a. lang , ambuj k. singh. venue: sigmod conference. year: 2001", "productB": "title: modeling high-dimensional index structures using sampling. authors: christian a. lang , ambuj k. singh. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: sigmod conference. year: 1997", "productB": "title: modeling high-dimensional index structures using sampling. authors: christian a. lang , ambuj k. singh. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient search of multi-dimensional b-trees. authors: dave birdsall , hedieh yaghmai , harry leslie , rohit jain. venue: vldb. year: 1995", "productB": "title: efficient search of multi-dimensional b-trees. authors: harry leslie , rohit jain , dave birdsall , hedieh yaghmai. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: efficient search of multi-dimensional b-trees. authors: dave birdsall , hedieh yaghmai , harry leslie , rohit jain. venue: vldb. year: 1995", "productB": "title: efficient concurrency control in multidimensional access methods. authors: kaushik chakrabarti , sharad mehrotra. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: multidimensional access methods : trees have grown everywhere. authors: nick roussopoulos , christos faloutsos , timos k. sellis. venue: vldb. year: 1997", "productB": "title: efficient concurrency control in multidimensional access methods. authors: kaushik chakrabarti , sharad mehrotra. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: efficient concurrency control in multidimensional access methods. authors: sharad mehrotra , kaushik chakrabarti. venue: sigmod conference. year: 1999", "productB": "title: efficient concurrency control in multidimensional access methods. authors: kaushik chakrabarti , sharad mehrotra. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: databases for gis. authors: claudia bauzer medeiros , fatima pires. venue: sigmod record. year: 1994", "productB": "title: databases for gis. authors: claudia bauzer medeiros , fatima pires. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: databases for networks. authors: h. v. jagadish. venue: sigmod conference. year: 1994", "productB": "title: databases for gis. authors: claudia bauzer medeiros , fatima pires. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: databases for gis. authors: claudia bauzer medeiros , fatima pires. venue: sigmod record. year: 1994", "productB": "title: petabyte databases. authors: dirk d ü llmann. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: metadata in video databases. authors: ramesh jain , arun hampapur. venue: sigmod record. year: 1994", "productB": "title: petabyte databases. authors: dirk d ü llmann. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: hippocratic databases. authors: yirong xu , jerry kiernan , rakesh agrawal , ramakrishnan srikant. venue: vldb. year: 2002", "productB": "title: petabyte databases. authors: dirk d ü llmann. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: databases for gis. authors: claudia bauzer medeiros , fatima pires. venue: sigmod record. year: 1994", "productB": "title: databases for networks. authors: h. v. jagadish. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: cougar : the network is the database. authors: wai fu fung , david sun , johannes gehrke. venue: sigmod conference. year: 2002", "productB": "title: databases for networks. authors: h. v. jagadish. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodriguez-martinez , nick roussopoulos. venue: sigmod conference. year: 2000", "productB": "title: mocha : a database middleware system featuring automatic deployment of application-specific functionality. authors: manuel rodr í guez-mart í nez , nick roussopoulos , john m. mcgann , stephen kelley , vadim katz , zhexuan song , joseph j á j á. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the need for distributed asynchronous transactions. authors: lyman do , prabhu ram , pamela drew. venue: sigmod conference. year: 1999", "productB": "title: the need for distributed asynchronous transactions. authors: lyman do , prabhu ram , pamela drew. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: extracting and exploiting structure in text search. authors: prabhakar raghavan. venue: sigmod conference. year: 2003", "productB": "title: integrating contents and structure in text retrieval. authors: ricardo baeza-yates , gonzalo navarro. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: paolo ciaccia , pavel zezula , marco patella. venue: vldb. year: 1997", "productB": "title: near neighbor search in large metric spaces. authors: sergey brin. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: indexing large metric spaces for similarity search queries. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: acm trans . database syst .. year: 1999", "productB": "title: near neighbor search in large metric spaces. authors: sergey brin. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: nearest neighbor queries. authors: stephen kelley , fr\u00e9d\u00e9ic vincent , nick roussopoulos. venue: sigmod conference. year: 1995", "productB": "title: near neighbor search in large metric spaces. authors: sergey brin. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: paolo ciaccia , pavel zezula , marco patella. venue: vldb. year: 1997", "productB": "title: index-driven similarity search in metric spaces. authors: gisli r. hjaltason , hanan samet. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: sigmod conference. year: 1999", "productB": "title: index-driven similarity search in metric spaces. authors: gisli r. hjaltason , hanan samet. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: indexing large metric spaces for similarity search queries. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: acm trans . database syst .. year: 1999", "productB": "title: index-driven similarity search in metric spaces. authors: gisli r. hjaltason , hanan samet. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: paolo ciaccia , pavel zezula , marco patella. venue: vldb. year: 1997", "productB": "title: birch : an efficient data clustering method for very large databases. authors: tian zhang , raghu ramakrishnan , miron livny. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: birch : an efficient data clustering method for very large databases. authors: raghu ramakrishnan , miron livny , tian zhang. venue: sigmod conference. year: 1996", "productB": "title: birch : an efficient data clustering method for very large databases. authors: tian zhang , raghu ramakrishnan , miron livny. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: an efficient method for checking object-oriented database schema correctness. authors: michele missikoff , anna formica , hans dietmar gr\u00f6ger. venue: acm trans . database syst .. year: 1998", "productB": "title: birch : an efficient data clustering method for very large databases. authors: tian zhang , raghu ramakrishnan , miron livny. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: shooting stars in the sky : an online algorithm for skyline queries. authors: donald kossmann , frank ramsak , steffen rost. venue: vldb. year: 2002", "productB": "title: minicon : a scalable algorithm for answering queries using views. authors: rachel pottinger , alon halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: generating efficient plans for queries using views. authors: chen li , jeffrey d. ullman , foto n. afrati. venue: sigmod conference. year: 2001", "productB": "title: minicon : a scalable algorithm for answering queries using views. authors: rachel pottinger , alon halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: optimizing queries using materialized views : a practical , scalable solution. authors: per-\u00e5ke larson , jonathan goldstein. venue: sigmod conference. year: 2001", "productB": "title: minicon : a scalable algorithm for answering queries using views. authors: rachel pottinger , alon halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: a multimedia presentation algebra. authors: maria luisa sapino , sibel adali , v. s. subrahmanian. venue: sigmod conference. year: 1999", "productB": "title: a multi-similarity algebra. authors: s. adali , p. bonatti , m. l. sapino , v. s. subrahmanian. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: a multimedia presentation algebra. authors: maria luisa sapino , sibel adali , v. s. subrahmanian. venue: sigmod conference. year: 1999", "productB": "title: a multimedia presentation algebra. authors: s. adali , m. l. sapino , v. s. subrahmanian. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: moving up the food chain : supporting e-commerce applications on databases. authors: anant jhingran. venue: sigmod record. year: 2000", "productB": "title: versant replication : supporting fault-tolerant object databases. authors: yuh-ming shyy , h. stephen au-yeung , c. p. chou. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: efficient view maintenance at data warehouses. authors: tolga yurek , divyakant agrawal , amr el abbadi , ambuj k. singh. venue: sigmod conference. year: 1997", "productB": "title: supporting multiple view maintenance policies. authors: latha s. colby , akira kawaguchi , daniel f. lieuwen , inderpal singh mumick , kenneth a. ross. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: hypergraph based reorderings of outer join queries with complex predicates. authors: gautam bhargava , balakrishna r. iyer , piyush goel. venue: sigmod conference. year: 1995", "productB": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: optimizing queries on files. authors: tova milo , mariano p. consens. venue: sigmod conference. year: 1994", "productB": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: data placement in shared-nothing parallel database systems. authors: manish mehta , david j. dewitt. venue: vldb j.. year: 1997", "productB": "title: data partitioning and load balancing in parallel disk systems. authors: peter scheuermann , gerhard weikum , peter zabback. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: vldb. year: 1996", "productB": "title: data partitioning and load balancing in parallel disk systems. authors: peter scheuermann , gerhard weikum , peter zabback. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: an adaptive hybrid server architecture for client caching odbmss. authors: m. tamer \u00f6zsu , kaladhar voruganti , ronald c. unrau. venue: vldb. year: 1999", "productB": "title: upsizing form file server to client server architectures. authors: corporate the access team microsoft. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: upsizing from file server to clent server architectures. authors: the access team. venue: sigmod conference. year: 1995", "productB": "title: upsizing form file server to client server architectures. authors: corporate the access team microsoft. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: an adaptive hybrid server architecture for client caching odbmss. authors: m. tamer \u00f6zsu , kaladhar voruganti , ronald c. unrau. venue: vldb. year: 1999", "productB": "title: an adaptive hybrid server architecture for client caching odbmss. authors: kaladhar voruganti , m. tamer Ö zsu , ronald c. unrau. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: gale martin , ray shea , tomasz ksiezyk , roberto j. bayardo jr. , marian h. nodine , william bohrer , vipul kashyap , c. unnikrishnan , richard s. brice , mosfeq rashid , amy unruh , abdelsalam helal , andrzej cichocki , marek rusinkiewicz , darrell woelk , jerry fowler. venue: sigmod conference. year: 1997", "productB": "title: dynamic service matchmaking among agents in open information environments. authors: katia sycara , matthias klusch , seth widoff , jianguo lu. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: dynamic service matchmaking among agents in open information environments. authors: matthias klusch , katia p. sycara , seth widoff , jianguo lu. venue: sigmod record. year: 1999", "productB": "title: dynamic service matchmaking among agents in open information environments. authors: katia sycara , matthias klusch , seth widoff , jianguo lu. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: gale martin , ray shea , tomasz ksiezyk , roberto j. bayardo jr. , marian h. nodine , william bohrer , vipul kashyap , c. unnikrishnan , richard s. brice , mosfeq rashid , amy unruh , abdelsalam helal , andrzej cichocki , marek rusinkiewicz , darrell woelk , jerry fowler. venue: sigmod conference. year: 1997", "productB": "title: semantic interoperability in information services : experiencing with coopware. authors: avigdor gal. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: semantic interoperability in global information systems : a brief introduction to the research area and the special section. authors: amit p. sheth , aris m. ouksel. venue: sigmod record. year: 1999", "productB": "title: semantic interoperability in information services : experiencing with coopware. authors: avigdor gal. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: gale martin , ray shea , tomasz ksiezyk , roberto j. bayardo jr. , marian h. nodine , william bohrer , vipul kashyap , c. unnikrishnan , richard s. brice , mosfeq rashid , amy unruh , abdelsalam helal , andrzej cichocki , marek rusinkiewicz , darrell woelk , jerry fowler. venue: sigmod conference. year: 1997", "productB": "title: semantic integration of environmental models for application to global information systems and decision-making. authors: d. scott mackay. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: infosleuth : semantic integration of information in open and dynamic environments ( experience paper ). authors: gale martin , ray shea , tomasz ksiezyk , roberto j. bayardo jr. , marian h. nodine , william bohrer , vipul kashyap , c. unnikrishnan , richard s. brice , mosfeq rashid , amy unruh , abdelsalam helal , andrzej cichocki , marek rusinkiewicz , darrell woelk , jerry fowler. venue: sigmod conference. year: 1997", "productB": "title: infosleuth : agent-based semantic integration of information in open and dynamic environments. authors: r. j. bayardo , 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: international conference on management of data. year: 1997", "same": true} +{"productA": "title: location-based spatial queries. authors: jun zhang , dimitris papadias , manli zhu , yufei tao , dik lun lee. venue: sigmod conference. year: 2003", "productB": "title: location-based spatial queries. authors: jun zhang , manli zhu , dimitris papadias , yufei tao , dik lun lee. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: location-based spatial queries. authors: jun zhang , dimitris papadias , manli zhu , yufei tao , dik lun lee. venue: sigmod conference. year: 2003", "productB": "title: the dedale system for complex spatial queries. authors: st é phane grumbach , philippe rigaux , luc segoufin. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: genesys : a system for efficient spatial query processing. authors: thomas brinkhoff , hans-peter kriegel , ralf schneider , bernhard seeger. venue: sigmod conference. year: 1994", "productB": "title: the dedale system for complex spatial queries. authors: st é phane grumbach , philippe rigaux , luc segoufin. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: research directions in biodiversity informatics. authors: john l. schnase. venue: vldb. year: 2000", "productB": "title: biodiversity informatics infrastructure : an information commons for the biodiversity community. authors: gladys a. cotter , barbara t. bauldock. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: research directions in biodiversity informatics. authors: john l. schnase. venue: vldb. year: 2000", "productB": "title: work and information practices in the sciences of biodiversity. authors: geoffrey c. bowker. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: the design and implementation of a sequence database system. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: vldb. year: 1996", "productB": "title: design and implementation of a genetic-based algorithm for data mining. authors: sunil choenni. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: the design and implementation of a sequence database system. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: vldb. year: 1996", "productB": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: an ultra highly available dbms. authors: svein-olaf hvasshovd , svein erik bratsberg , \u00f8ystein torbj\u00f8rnsen. venue: vldb. year: 2000", "productB": "title: online scaling in a highly available database. authors: svein erik bratsberg , rune humborstad. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: index concurrency control in firm real-time database systems. authors: brajesh goyal , s. seshadri , v. srinivasan , jayant r. haritsa. venue: vldb. year: 1995", "productB": "title: data manager for evolvable real-time command and control systems. authors: eric hughes , roman ginis , bhavani m. thuraisingham , peter c. krupp , john a. maurer. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: an ebxml infrastructure implementation through uddi registries and rosettanet pips. authors: yildiray kabak , gokce laleci , sait pektas , serkan toprak , yusuf tambag , gokhan kurt , asuman dogac , pinar pembecioglu. venue: sigmod conference. year: 2002", "productB": "title: an ebxml infrastructure implementation through uddi registries and rosettanet pips. authors: asuman dogac , yusuf tambag , pinar pembecioglu , sait pektas , gokce laleci , gokhan kurt , serkan toprak , yildiray kabak. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: a foundation for representing and quering moving objects. authors: michael h. b\u00f6hlen , christian s. jensen , michalis vazirgiannis , nikos a. lorentzos , markus schneider , ralf hartmut g\u00fcting , martin erwig. venue: acm trans . database syst .. year: 2000", "productB": "title: a data model and data structures for moving objects databases. authors: luca forlizzi , ralf hartmut g ü ting , enrico nardelli , markus schneider. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: cost models for overlapping and multiversion structures. authors: yufei tao , jun zhang , dimitris papadias. venue: acm trans . database syst .. year: 2002", "productB": "title: a data model and data structures for moving objects databases. authors: luca forlizzi , ralf hartmut g ü ting , enrico nardelli , markus schneider. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: description logics for semantic query optimization in object-oriented database systems. authors: claudio sartori , sonia bergamaschi , domenico beneventano. venue: acm trans . database syst .. year: 2003", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: jihad boulos , kinji ono. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: unisql/x unified relational and object-oriented database system. authors: won kim. venue: sigmod conference. year: 1994", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: jihad boulos , kinji ono. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: cost-driven vertical class partitioning for methods in object oriented databases. authors: qing li , chi-wai fung , kamalakar karlapalem. venue: vldb j.. year: 2003", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: jihad boulos , kinji ono. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: unisql 's next-generation object-relational database management system. authors: phil janus , albert d'andrea. venue: sigmod record. year: 1996", "productB": "title: cost estimation of user-defined methods in object-relational database systems. authors: jihad boulos , kinji ono. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: query processing and optimization in oracle rdb. authors: gennady antoshenkov , mohamed ziauddin. venue: vldb j.. year: 1996", "productB": "title: including group-by in query optimization. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: including group-by in query optimization. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: query processing and optimization in oracle rdb. authors: gennady antoshenkov , mohamed ziauddin. venue: vldb j.. year: 1996", "productB": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: materialized view selection and maintenance using multi-query optimization. authors: krithi ramamritham , hoshi mistry , prasan roy , s. sudarshan. venue: sigmod conference. year: 2001", "productB": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: optimizing queries on compressed bitmaps. authors: sihem amer-yahia , theodore johnson. venue: vldb. year: 2000", "productB": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: learning response time for websources using query feedback and application in query optimization. authors: jean-robert gruser , vladimir zadorozhny , louiqa raschid , tao zhan. venue: vldb j.. year: 2000", "productB": "title: query optimization for selections using bitmaps. authors: ming-chuan wu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: query processing and optimization in oracle rdb. authors: gennady antoshenkov , mohamed ziauddin. venue: vldb j.. year: 1996", "productB": "title: query caching and optimization in distributed mediator systems. authors: s. adali , k. s. candan , y. papakonstantinou , v. s. subrahmanian. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: query caching and optimization in distributed mediator systems. authors: s. adali , k. s. candan , y. papakonstantinou , v. s. subrahmanian. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: locating data sources in large distributed systems. authors: david j. dewitt , leonidas galanis , shawn r. jeffery , yuan wang. venue: vldb. year: 2003", "productB": "title: query caching and optimization in distributed mediator systems. authors: s. adali , k. s. candan , y. papakonstantinou , v. s. subrahmanian. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query processing and optimization in oracle rdb. authors: gennady antoshenkov , mohamed ziauddin. venue: vldb j.. year: 1996", "productB": "title: bringing order to query optimization. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: bringing order to query optimization. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: exploiting constraint-like data characterizations in query optimization. authors: jarek gryz , calisto zuzarte , parke godfrey. venue: sigmod conference. year: 2001", "productB": "title: bringing order to query optimization. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: coloring away communication in parallel query optimization. authors: rajeev motwani , waqar hasan. venue: vldb. year: 1995", "productB": "title: bringing order to query optimization. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: on-line reorganization of sparsely-populated b + trees. authors: betty salzberg , chendong zou. venue: sigmod conference. year: 1996", "productB": "title: on-line reorganization of sparsely-populated b + - trees. authors: chendong zou , betty salzberg. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: datasplash. authors: vuk ercegovac , allison woodruff , michael stonebraker , mark lin , mybrid spalding , alexander aiken , chris olston , michael chu. venue: sigmod conference. year: 1998", "productB": "title: datasplash. authors: chris olston , allison woodruff , alexander aiken , michael chu , vuk ercegovac , mark lin , mybrid spalding , michael stonebraker. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: optimal multi-step k-nearest neighbor search. authors: thomas seidl , hans-peter kriegel. venue: sigmod conference. year: 1998", "productB": "title: fast nearest neighbor search in medical image databases. authors: flip korn , nikolaos sidiropoulos , christos faloutsos , eliot siegel , zenon protopapas. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: min-max compression methods for medical image databases. authors: john m. tyler , kosmas karadimitriou. venue: sigmod record. year: 1997", "productB": "title: fast nearest neighbor search in medical image databases. authors: flip korn , nikolaos sidiropoulos , christos faloutsos , eliot siegel , zenon protopapas. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: report on the first international workshop an efficient web-based information systems. authors: omar boucelma , zo\u00e9 lacroix. venue: sigmod record. year: 2003", "productB": "title: engineering federated information systems : report of eefis '99 workshop. authors: s. conrad , w. hasselbring , u. hohenstein , r.-d . kutsche , m. roantree , g. saake , f. saltor. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: efficient filtering of xml documents for selective dissemination of information. authors: michael j. franklin , mehmet altinel. venue: vldb. year: 2000", "productB": "title: efficient filtering of xml documents for selective dissemination of information. authors: mehmet altinel , michael j. franklin. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: spatial indexing of high-dimensional data based on relative approximation. authors: shunsuke uemura , masatoshi yoshikawa , yasushi sakurai , haruhiko kojima. venue: vldb j.. year: 2002", "productB": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: yasushi sakurai , masatoshi yoshikawa , shunsuke uemura , haruhiko kojima. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: high-dimensional index structures , database support for next decade 's applications ( tutorial ). authors: daniel a. keim , stefan berchtold. venue: sigmod conference. year: 1998", "productB": "title: the a-tree : an index structure for high-dimensional spaces using relative approximation. authors: yasushi sakurai , masatoshi yoshikawa , shunsuke uemura , haruhiko kojima. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: ariadne : a system for constructing mediators for internet sources. authors: ion muslea , greg barish , andrew philpot , craig a. knoblock , steven minton , jos\u00e9 luis ambite , pragnesh jay modi , sheila tejada , naveen ashish. venue: sigmod conference. year: 1998", "productB": "title: ariadne : a system for constructing mediators for internet sources. authors: jos é luis ambite , naveen ashish , greg barish , craig a. knoblock , steven minton , pragnesh j. modi , ion muslea , andrew philpot , sheila tejada. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: caching technologies for web applications. authors: c. mohan. venue: vldb. year: 2001", "productB": "title: web caching for database applications with oracle web cache. authors: jesse anton , lawrence jacobs , xiang liu , jordan parker , zheng zeng , tie zhong. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: web caching for database applications with oracle web cache. authors: jesse anton , lawrence jacobs , xiang liu , jordan parker , zheng zeng , tie zhong. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: storhouse metanoia - new applications for database , storage & data warehousing. authors: felipe cari\u00f1o , pekka kostamaa , art kaufmann , john burgess. venue: sigmod conference. year: 2001", "productB": "title: web caching for database applications with oracle web cache. authors: jesse anton , lawrence jacobs , xiang liu , jordan parker , zheng zeng , tie zhong. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: caching technologies for web applications. authors: c. mohan. venue: vldb. year: 2001", "productB": "title: databases on the web : technologies for federation architectures and case studies. authors: ralf kramer. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: database techniques for the world-wide web : a survey. authors: daniela florescu , alberto o. mendelzon , alon y. levy. venue: sigmod record. year: 1998", "productB": "title: databases on the web : technologies for federation architectures and case studies. authors: ralf kramer. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: efficient evaluation of xml middle-ware queries. authors: mary f. fernandez , dan suciu , atsuyuki morishima. venue: sigmod conference. year: 2001", "productB": "title: evaluating top-k selection queries. authors: surajit chaudhuri , luis gravano. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: optimizing the secure evaluation of twig queries. authors: sihem amer-yahia , divesh srivastava , sungran cho , laks v. s. lakshmanan. venue: vldb. year: 2002", "productB": "title: evaluating top-k selection queries. authors: surajit chaudhuri , luis gravano. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: evaluating top-k selection queries. authors: luis gravano , surajit chaudhuri. venue: vldb. year: 1999", "productB": "title: evaluating top-k selection queries. authors: surajit chaudhuri , luis gravano. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: xsb as a deductive database. authors: terrance swift , konstantinos f. sagonas , david scott warren. venue: sigmod conference. year: 1994", "productB": "title: tail recursion elimination in deductive databases. authors: kenneth a. ross. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: belief reasoning in mls deductive databases. authors: hasan m. jamil. venue: sigmod conference. year: 1999", "productB": "title: tail recursion elimination in deductive databases. authors: kenneth a. ross. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: query evaluation in deductive databases with alternating fixpoint semantics. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: tail recursion elimination in deductive databases. authors: kenneth a. ross. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: tail recursion elimination in deductive databases. authors: kenneth a. ross. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: the mariposa distributed database management system. authors: jeff sidell. venue: sigmod record. year: 1996", "productB": "title: a multi-paradigm querying approach for a generic multimedia database management system. authors: ji-rong wen , qing li , wei-ying ma , hong-jiang zhang. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the mariposa distributed database management system. authors: jeff sidell. venue: sigmod record. year: 1996", "productB": "title: acm multimedia '94 conference workshop on multimedia database management systems. authors: bruce berra , kingsley nwosu , bhavani thuraisingham. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: information integration : the momis project demonstration. authors: michele melchiori , silvana castano , g. malvezzi , domenico beneventano , r. guidetti , alberto corni , sonia bergamaschi , maurizio vincini. venue: vldb. year: 2000", "productB": "title: a case-based approach to information integration. authors: maurizio panti , luca spalazzi , alberto giretti. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: a case-based approach to information integration. authors: maurizio panti , luca spalazzi , alberto giretti. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: information integration : the momis project demonstration. authors: michele melchiori , silvana castano , g. malvezzi , domenico beneventano , r. guidetti , alberto corni , sonia bergamaschi , maurizio vincini. venue: vldb. year: 2000", "productB": "title: securing xml documents : the author-x project demonstration. authors: elisa bertino , silvana castano , elena ferrari. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the oasis multidatabase prototype. authors: john murphy , mark roantree , wilhelm hasselbring. venue: sigmod record. year: 1999", "productB": "title: the oasis multidatabase prototype. authors: mark roantree , john murphy , wilhelm hasselbring. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: sigmod conference. year: 2001", "productB": "title: the oasis multidatabase prototype. authors: mark roantree , john murphy , wilhelm hasselbring. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: concurrency control in hierarchical multidatabase systems. authors: sharad mehrotra , henry f. korth , avi silberschatz. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: efficient concurrency control in multidimensional access methods. authors: sharad mehrotra , kaushik chakrabarti. venue: sigmod conference. year: 1999", "productB": "title: concurrency control in hierarchical multidatabase systems. authors: sharad mehrotra , henry f. korth , avi silberschatz. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: concurrency control in hierarchical multidatabase systems. authors: henry f. korth , abraham silberschatz , sharad mehrotra. venue: vldb j.. year: 1997", "productB": "title: concurrency control in hierarchical multidatabase systems. authors: sharad mehrotra , henry f. korth , avi silberschatz. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": true} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: pc database systems - present and future. authors: philip a. bernstein. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: database management systems and the internet. authors: susan malaika. venue: vldb. year: 1996", "productB": "title: pc database systems - present and future. authors: philip a. bernstein. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: supporting efficient multimedia database exploration. authors: wen-syan li , k.sel ç uk candan , kyoji hirata , yoshinori hara. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: facilitating multimedia database exploration through visual interfaces and perpetual query reformulations. authors: kyoji hirata , yoshinori hara , wen-syan li , k. sel\u00e7uk candan. venue: vldb. year: 1997", "productB": "title: supporting efficient multimedia database exploration. authors: wen-syan li , k.sel ç uk candan , kyoji hirata , yoshinori hara. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: the multidimensional database system rasdaman. authors: p. baumann , a. dehmel , p. furtado , r. ritsch , n. widmann. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: materialized view selection for multidimensional datasets. authors: jeffrey f. naughton , amit shukla , prasad deshpande. venue: vldb. year: 1998", "productB": "title: the multidimensional database system rasdaman. authors: p. baumann , a. dehmel , p. furtado , r. ritsch , n. widmann. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: parallel database systems 101. authors: jim gray. venue: sigmod conference. year: 1995", "productB": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: vldb. year: 1995", "productB": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: mpeg-7 and multimedia database systems. authors: harald kosch. venue: sigmod record. year: 2002", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: an almost-serial protocol for transaction execution in main-memory database systems. authors: stephen blott , henry f. korth. venue: vldb. year: 2002", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: parallel database systems 101. authors: jim gray. venue: sigmod conference. year: 1995", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: ouri wolfson , a. prasad sistla. venue: sigmod conference. year: 1995", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: distance browsing in spatial databases. authors: hanan samet , g\u00edsli r. hjaltason. venue: acm trans . database syst .. year: 1999", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: report on first international workshop on real-time database systems. authors: sang hyuk son , kwei-jay lin , azer bestavros. venue: sigmod record. year: 1996", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: nsf workshop on industrial/academic cooperation in database systems. authors: leonard j. seligman , michael j. carey. venue: sigmod record. year: 1999", "productB": "title: an introduction to spatial database systems. authors: ralf hartmut g ü ting. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: phoenix project : fault-tolerant applications. authors: roger s. barga , david b. lomet. venue: sigmod record. year: 2002", "productB": "title: phoenix : making applications robust. authors: roger barga , david b. lomet. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: phoenix project : fault-tolerant applications. authors: roger s. barga , david b. lomet. venue: sigmod record. year: 2002", "productB": "title: phoenix project : fault-tolerant applications. authors: roger barga , david lomet. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: a characterization of the sensitivity of query optimization to storage access cost parameters. authors: tapas kanungo , frederick reiss. venue: sigmod conference. year: 2003", "productB": "title: query optimization in the presence of limited access patterns. authors: daniela florescu , alon levy , ioana manolescu , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: query optimization in the presence of limited access patterns. authors: daniela florescu , alon levy , ioana manolescu , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: computing complete answers to queries in the presence of limited access patterns. authors: chen li. venue: vldb j.. year: 2003", "productB": "title: query optimization in the presence of limited access patterns. authors: daniela florescu , alon levy , ioana manolescu , dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: practical lessons in supporting large-scale computational science. authors: terence critchlow , ron musick. venue: sigmod record. year: 1999", "productB": "title: practical lessons in supporting large-scale computational science. authors: ron musick , terence critchlow. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: accessing relational databases from the world wide web. authors: tam nguyen , v. srinivasan. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: accessing relational databases from the world wide web. authors: tam nguyen , v. srinivasan. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: declarative updates of relational databases. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: accessing relational databases from the world wide web. authors: tam nguyen , v. srinivasan. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: a data transformation system for biological data sources. authors: peter buneman , susan b. davidson , kyle hart , g. christian overton , limsoon wong. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: a data transformation system for biological data sources. authors: susan b. davidson , limsoon wong , kyle hart , peter buneman , g. christian overton. venue: vldb. year: 1995", "productB": "title: a data transformation system for biological data sources. authors: peter buneman , susan b. davidson , kyle hart , g. christian overton , limsoon wong. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: paradise : a database system for gis applications. authors: corporate the paradise team. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the structured information manager : a database system for sgml documents. authors: ron sacks-davis. venue: vldb. year: 1996", "productB": "title: paradise : a database system for gis applications. authors: corporate the paradise team. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: paradise : a database system for gis applications. authors: corporate the paradise team. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: combi-operator : database support for data mining applications. authors: wolfgang lehner , alexander hinneburg , dirk habich. venue: vldb. year: 2003", "productB": "title: paradise : a database system for gis applications. authors: corporate the paradise team. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: gigascope : a stream database for network applications. authors: theodore johnson , charles d. cranor , oliver spatscheck , vladislav shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: paradise : a database system for gis applications. authors: corporate the paradise team. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a system for watermarking relational databases. authors: peter j. haas , rakesh agrawal , jerry kiernan. venue: sigmod conference. year: 2003", "productB": "title: rights protection for relational data. authors: radu sion , mikhail atallah , sunil prabhakar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: querying xml views of relational data. authors: jerry kiernan , jayavel shanmugasundaram , catalina fan , eugene j. shekita , john funderburk. venue: vldb. year: 2001", "productB": "title: rights protection for relational data. authors: radu sion , mikhail atallah , sunil prabhakar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: materialized view selection for multidimensional datasets. authors: jeffrey f. naughton , amit shukla , prasad deshpande. venue: vldb. year: 1998", "productB": "title: materialized views and data warehouses. authors: nick roussopoulos. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: query caching and optimization in distributed mediator systems. authors: sibel adali , yannis papakonstantinou , k. sel\u00e7uk candan , v. s. subrahmanian. venue: sigmod conference. year: 1996", "productB": "title: object fusion in mediator systems. authors: yannis papakonstantinou , serge abiteboul , hector garcia-molina. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: functional-join processing. authors: reinhard braumandl , alfons kemper , donald kossmann , jens clau\u00dfen. venue: vldb j.. year: 2000", "productB": "title: functional properties of information filtering. authors: rie sawai , masahiko tsukamoto , yin-huei loh , tsutomu terada , shojiro nishio. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: functional properties of information filtering. authors: masahiko tsukamoto , shojiro nishio , tsutomu terada , rie sawai , yin-huei loh. venue: vldb. year: 2001", "productB": "title: functional properties of information filtering. authors: rie sawai , masahiko tsukamoto , yin-huei loh , tsutomu terada , shojiro nishio. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: vldb j.. year: 2003", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 2000", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1997", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2002", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1997", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2002", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2001", "productB": "title: editorial. authors: richard snodgrass. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: guest editorial. authors: vijay atluri , anupam joshi , yelena yesha. venue: vldb j.. year: 2003", "productB": "title: guest editorial. authors: malcolm p. atkinson. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: guest editorial. authors: malcolm p. atkinson. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: e-services - guest editorial. authors: dimitrios georgakopoulos , ming-chien shan , fabio casati. venue: vldb j.. year: 2001", "productB": "title: guest editorial. authors: malcolm p. atkinson. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: a goal-driven auto-configuration tool for the distributed workflow management system mentor-lite. authors: german shegalov , gerhard weikum , wolfgang wonner , michael gillmann , jeanine wei\u00dfenfels. venue: sigmod conference. year: 2000", "productB": "title: the network is the database : data management for highly distributed systems. authors: julio c. navas , michael wynblatt. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the network is the database : data management for highly distributed systems. authors: michael j. wynblatt , julio c. navas. venue: sigmod conference. year: 2001", "productB": "title: the network is the database : data management for highly distributed systems. authors: julio c. navas , michael wynblatt. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: tribeca : a stream database manager for network traffic analysis. authors: mark sullivan. venue: vldb. year: 1996", "productB": "title: the network is the database : data management for highly distributed systems. authors: julio c. navas , michael wynblatt. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: multi-dimensional database allocation for parallel data warehouses. authors: thomas st ö hr , holger m ä rtens , erhard rahm. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: materialized view selection for multidimensional datasets. authors: amit shukla , prasad deshpande , jeffrey f. naughton. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: intelligent rollups in multidimensional olap data. authors: gayatri sathe , sunita sarawagi. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: user-adaptive exploration of multidimensional data. authors: sunita sarawagi. venue: vldb. year: 2000", "productB": "title: intelligent rollups in multidimensional olap data. authors: gayatri sathe , sunita sarawagi. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: olap , relational , and multidimensional database systems. authors: george colliat. venue: sigmod record. year: 1996", "productB": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , hongjun lu , shihui zheng , yuqi liang , long zhang , wenyun ji , zengping tian. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: yue huang , yandong cai , yongjian fu , nick cercone , jiawei han. venue: sigmod conference. year: 1994", "productB": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , hongjun lu , shihui zheng , yuqi liang , long zhang , wenyun ji , zengping tian. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: a taxonomy for secure object-oriented databases. authors: sebastiaan h. von solms , martin s. olivier. venue: acm trans . database syst .. year: 1994", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: vldb. year: 1995", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: a logical foundation for deductive object-oriented databases. authors: mengchi liu , tok wang ling , gillian dobbie. venue: acm trans . database syst .. year: 2002", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an efficient method for checking object-oriented database schema correctness. authors: michele missikoff , anna formica , hans dietmar gr\u00f6ger. venue: acm trans . database syst .. year: 1998", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: garbage collection in object-oriented databases using transactional cyclic reference counting. authors: s. sudarshan , prasan roy , abraham silberschatz , srinivas ashwin , s. seshadri. venue: vldb j.. year: 1998", "productB": "title: accessing a relational database through an object-oriented database interface. authors: jack a. orenstein , d. n. kamber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: the lham log-structured history data access method. authors: gerhard weikum , patrick e. o'neil , peter muth , achim pick. venue: vldb j.. year: 2000", "productB": "title: design , implementation , and performance of the lham log-structured history data access method. authors: peter muth , patrick e. o'neil , achim pick , gerhard weikum. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: the persistent cache : improving oid indexing in temporal object-oriented database systems. authors: kjetil n ø rv å g. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: constructing the next 100 database management systems : like the handyman or like the engineer ?. authors: andreas geppert , klaus r. dittrich. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: constructing the next 100 database management systems. authors: andreas geppert , klaus r. dittrich. venue: sigmod record. year: 1994", "productB": "title: constructing the next 100 database management systems : like the handyman or like the engineer ?. authors: andreas geppert , klaus r. dittrich. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: the ores temporal database management system. authors: babis theodoulidis , george karvelis , jayant chaudhary , aziz ait-braham , simon sou , george andrianopoulos. venue: sigmod conference. year: 1994", "productB": "title: bigsur : a system for the management of earth science data. authors: paul brown , michael stonebraker. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: bigsur : a system for the management of earth science data. authors: paul brown , michael stonebraker. venue: vldb. year: 1995", "productB": "title: bigsur : a system for the management of earth science data. authors: paul brown , michael stonebraker. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: a modified random perturbation method for database security. authors: norman s. matloff , patrick tendick. venue: acm trans . database syst .. year: 1994", "productB": "title: security of random data perturbation methods. authors: krishnamurty muralidhar , rathindra sarathy. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: comparative analysis of six xml schema languages. authors: dongwon lee , wesley w. chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of five xml query languages. authors: angela bonifati , stefano ceri. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: comparative analysis of six xml schema languages. authors: dongwon lee , wesley w. chu. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of six xml schema languages. authors: dongwon lee , wesley w. chu. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: comparative analysis of five xml query languages. authors: angela bonifati , stefano ceri. venue: sigmod record. year: 2000", "productB": "title: comparative analysis of six xml schema languages. authors: dongwon lee , wesley w. chu. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: research activities in database management and information retrieval at the university of illinois at chicago. authors: a. prasad sistla , isabel f. cruz , ashfaq a. khokhar , clement t. yu , bing liu , ouri wolfson. venue: sigmod record. year: 2002", "productB": "title: database research at the university of oklahoma. authors: le gruenwald , leonard brown , ravi dirckze , sylvain guinepain , carlos sanchez , brian summers , sirirut vanichayobon. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: database research at nthu and itri. authors: arbee l. p. chen. venue: sigmod record. year: 1994", "productB": "title: database research at the university of oklahoma. authors: le gruenwald , leonard brown , ravi dirckze , sylvain guinepain , carlos sanchez , brian summers , sirirut vanichayobon. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: data and knowledge base research at hong kong university of science and technology. authors: babak hamidzadeh , kamalakar karlapalem , qing li , chung-dak shum , dik lun lee , frederick h. lochovsky , beat w\u00fcthrich , alex chia-yee kean , pamela drew. venue: sigmod record. year: 1995", "productB": "title: database research at the university of oklahoma. authors: le gruenwald , leonard brown , ravi dirckze , sylvain guinepain , carlos sanchez , brian summers , sirirut vanichayobon. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: florida international university high performance database research center. authors: leonard loureiro , yi deng , carlos ordonez 0002 , mario sanchez , cyril u. orji , wei sun , artyom shaposhnikov , naphtali rishe , michael alexopoulos , david barton. venue: sigmod record. year: 1995", "productB": "title: database research at the university of oklahoma. authors: le gruenwald , leonard brown , ravi dirckze , sylvain guinepain , carlos sanchez , brian summers , sirirut vanichayobon. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: research activities in database management and information retrieval at the university of illinois at chicago. authors: a. prasad sistla , isabel f. cruz , ashfaq a. khokhar , clement t. yu , bing liu , ouri wolfson. venue: sigmod record. year: 2002", "productB": "title: interaction of query evaluation and buffer management for information retrieval. authors: bj ö rn t. j ó nsson , michael j. franklin , divesh srivastava. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: watchman : a data warehouse intelligent cache manager. authors: peter scheuermann , radek vingralek , junho shim. venue: vldb. year: 1996", "productB": "title: watchman : a data warehouse intelligent cache manager. authors: peter scheuermann , junho shim , radek vingralek. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: dynamic maintenance of wavelet-based histograms. authors: yossi matias , jeffrey scott vitter , min wang. venue: vldb. year: 2000", "productB": "title: fast incremental maintenance of approximate histograms. authors: phillip b. gibbons , yossi matias , viswanath poosala. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: fast incremental maintenance of approximate histograms. authors: viswanath poosala , phillip b. gibbons , yossi matias. venue: acm trans . database syst .. year: 2002", "productB": "title: fast incremental maintenance of approximate histograms. authors: phillip b. gibbons , yossi matias , viswanath poosala. venue: acm transactions on database systems ( tods ). year: 2002", "same": true} +{"productA": "title: a user-centered interface for querying distributed multimedia databases. authors: kimberly m. james , isabel f. cruz. venue: sigmod conference. year: 1999", "productB": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dac khoa doan , norman w. paton , alistair kilgour. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: a user-centered interface for querying distributed multimedia databases. authors: kimberly m. james , isabel f. cruz. venue: sigmod conference. year: 1999", "productB": "title: a database interface for file update. authors: serge abiteboul , sophie cluet , tova milo. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , william d. roome , h. v. jagadish. venue: vldb. year: 1994", "productB": "title: a database interface for file update. authors: serge abiteboul , sophie cluet , tova milo. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a user-centered interface for querying distributed multimedia databases. authors: kimberly m. james , isabel f. cruz. venue: sigmod conference. year: 1999", "productB": "title: view management in multimedia databases. authors: k. sel ç uk candan , eric lemar , v. s. subrahmanian. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: database design for incomplete relations. authors: mark levene , george loizou. venue: acm trans . database syst .. year: 1999", "productB": "title: improving database design through the analysis of relationships. authors: debabrata dey , veda c. storey , terence m. barron. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: improving performance in replicated databases through relaxed coherency. authors: rainer gallersd\u00f6rfer , matthias nicola. venue: vldb. year: 1995", "productB": "title: improving database design through the analysis of relationships. authors: debabrata dey , veda c. storey , terence m. barron. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: dlfm : a transactional resource manager. authors: hui-i hsiao , inderpal narang. venue: sigmod conference. year: 2000", "productB": "title: dlfm : a transactional resource manager. authors: hui-i hsiao , inderpal narang. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: s. sudarshan , prasan roy , abraham silberschatz , s. seshadri , srinivas ashwin. venue: vldb. year: 1997", "productB": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , michael j. franklin , olivier gruber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , olivier gruber , michael j. franklin. venue: vldb. year: 1995", "productB": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , michael j. franklin , olivier gruber. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: partition selection policies in object database garbage collection. authors: benjamin g. zorn , alexander l. wolf , jonathan e. cook. venue: sigmod conference. year: 1994", "productB": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , michael j. franklin , olivier gruber. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: asserting beliefs in mls relational models. authors: nenad jukic , susan v. vrbsky. venue: sigmod record. year: 1997", "productB": "title: asserting beliefs in mls relational models. authors: nenad a. jukic , susan v. vrbsky. venue: acm sigmod record. year: 1997", "same": true} +{"productA": "title: workshop on workflow management in scientific and engineering applications - report. authors: gottfried vossen , richard mcclatchey. venue: sigmod record. year: 1997", "productB": "title: specification and implementation of exceptions in workflow management systems. authors: fabio casati , stefano ceri , stefano paraboschi , guiseppe pozzi. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: specification and implementation of exceptions in workflow management systems. authors: stefano paraboschi , stefano ceri , fabio casati , giuseppe pozzi. venue: acm trans . database syst .. year: 1999", "productB": "title: specification and implementation of exceptions in workflow management systems. authors: fabio casati , stefano ceri , stefano paraboschi , guiseppe pozzi. venue: acm transactions on database systems ( tods ). year: 1999", "same": true} +{"productA": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: sigmod conference. year: 1994", "productB": "title: specification and implementation of exceptions in workflow management systems. authors: fabio casati , stefano ceri , stefano paraboschi , guiseppe pozzi. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: selectivity estimation in spatial databases. authors: viswanath poosala , sridhar ramaswamy , swarup acharya. venue: sigmod conference. year: 1999", "productB": "title: selectivity estimation in extensible databases - a neural network approach. authors: m. seetha lakshmi , shaoyu zhou. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: database de-centralization - a practical approach. authors: c\u00e9sar a. galindo-legaria , eirik dahle , tor didriksen. venue: vldb. year: 1995", "productB": "title: selectivity estimation in extensible databases - a neural network approach. authors: m. seetha lakshmi , shaoyu zhou. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: selectivity estimation in spatial databases. authors: viswanath poosala , sridhar ramaswamy , swarup acharya. venue: sigmod conference. year: 1999", "productB": "title: spatial join selectivity using power laws. authors: christos faloutsos , bernhard seeger , agma traina , caetano traina , jr.. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: modularization techniques for active rules design. authors: elena baralis , stefano ceri , stefano paraboschi. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: static analysis techniques for predicting the behavior of active database rules. authors: alexander aiken , jennifer widom , joseph m. hellerstein. venue: acm trans . database syst .. year: 1995", "productB": "title: modularization techniques for active rules design. authors: elena baralis , stefano ceri , stefano paraboschi. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: query processing techniques for multiversion access methods. authors: jochen van den bercken , bernhard seeger. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm trans . database syst .. year: 1998", "productB": "title: the onion technique : indexing for linear optimization queries. authors: yuan-chi chang , lawrence bergman , vittorio castelli , chung-sheng li , ming-ling lo , john r. smith. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: join queries with external text sources : execution and optimization techniques. authors: umeshwar dayal , surajit chaudhuri , tak w. yan. venue: sigmod conference. year: 1995", "productB": "title: the onion technique : indexing for linear optimization queries. authors: yuan-chi chang , lawrence bergman , vittorio castelli , chung-sheng li , ming-ling lo , john r. smith. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: using the calanda time series management system. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: sigmod conference. year: 1995", "productB": "title: research perspectives for time series management systems. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: research perspectives for time series management systems. authors: werner dreyer , angelika kotz dittrich , duri schmidt. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: distributed top-k monitoring. authors: chris olston , brian babcock. venue: sigmod conference. year: 2003", "productB": "title: distributed top-k monitoring. authors: brian babcock , chris olston. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: the incinerate data model. authors: h. v. jagadish. venue: acm trans . database syst .. year: 1995", "productB": "title: a close look at the ifo data model. authors: magdy s. hanna. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: environment information systems - guest editor 's foreword. authors: oliver g\u00fcnther. venue: sigmod record. year: 1997", "productB": "title: the ecobase project : database and web technologies for environmental information systems. authors: luc bouganim , maria claudia cavalcanti , fran ç oise fabret , maria luiza campos , fran ç ois llirbat , marta mattoso , rubens melo , ana maria moura , esther pacitti , fabio porto , margareth simoes , eric simon , asterio tanaka , patrick valduriez. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: things every update replication customer should know. authors: rob golding. venue: sigmod conference. year: 1995", "productB": "title: things every update replication customer should know ( abstract ). authors: rob goldring. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: control : continuous output and navigation technology with refinement on-line. authors: bruce lo , tali roth , ron avnur , joseph m. hellerstein , chris olston , kirk wylie , bhaskaran raman , vijayshankar raman. venue: sigmod conference. year: 1998", "productB": "title: control : continuous output and navigation technology with refinement on-line. authors: ron avnur , joseph m. hellerstein , bruce lo , chris olston , bhaskaran raman , vijayshankar raman , tali roth , kirk wylie. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: answering complex sql queries using automatic summary tables. authors: roberta cochrane , hamid pirahesh , monica urata , markos zaharioudakis , george lapis. venue: sigmod conference. year: 2000", "productB": "title: answering complex sql queries using automatic summary tables. authors: markos zaharioudakis , roberta cochrane , george lapis , hamid pirahesh , monica urata. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: maintenance of automatic summary tables. authors: richard sidle , wolfgang lehner , hamid pirahesh , roberta cochrane. venue: sigmod conference. year: 2000", "productB": "title: answering complex sql queries using automatic summary tables. authors: markos zaharioudakis , roberta cochrane , george lapis , hamid pirahesh , monica urata. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: answering complex sql queries using automatic summary tables. authors: roberta cochrane , hamid pirahesh , monica urata , markos zaharioudakis , george lapis. venue: sigmod conference. year: 2000", "productB": "title: answering queries using views : a survey. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: vldb. year: 2000", "productB": "title: answering queries using views : a survey. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: generating efficient plans for queries using views. authors: chen li , jeffrey d. ullman , foto n. afrati. venue: sigmod conference. year: 2001", "productB": "title: answering queries using views : a survey. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: optimizing queries using materialized views : a practical , scalable solution. authors: per-\u00e5ke larson , jonathan goldstein. venue: sigmod conference. year: 2001", "productB": "title: answering queries using views : a survey. authors: alon y. halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , olivier gruber , michael j. franklin. venue: vldb. year: 1995", "productB": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: srinivas ashwin , prasan roy , s. seshadri , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: srinivas ashwin , prasan roy , s. seshadri , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: index configuration in object-oriented databases. authors: elisa bertino. venue: vldb j.. year: 1994", "productB": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: srinivas ashwin , prasan roy , s. seshadri , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: partition selection policies in object database garbage collection. authors: benjamin g. zorn , alexander l. wolf , jonathan e. cook. venue: sigmod conference. year: 1994", "productB": "title: garbage collection in object oriented databases using transactional cyclic reference counting. authors: srinivas ashwin , prasan roy , s. seshadri , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: efficient incremental garbage collection for client-server object database systems. authors: laurent amsaleg , olivier gruber , michael j. franklin. venue: vldb. year: 1995", "productB": "title: semi-automatic , self-adaptive control of garbage collection rates in object databases. authors: jonathan e. cook , artur w. klauser , alexander l. wolf , benjamin g. zorn. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: data mining techniques. authors: jiawei han. venue: sigmod conference. year: 1996", "productB": "title: scalable techniques for mining causal structures. authors: craig silverstein , sergey brin , rajeev motwani , jeffrey d. ullman. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: data mining techniques. authors: jiawei han. venue: sigmod conference. year: 1996", "productB": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: sequence query processing. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: sigmod conference. year: 1994", "productB": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: query execution techniques for caching expensive methods. authors: joseph m. hellerstein , jeffrey f. naughton. venue: sigmod conference. year: 1996", "productB": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: query processing techniques for arrays. authors: kenneth salem , arunprasad p. marathe. venue: sigmod conference. year: 1999", "productB": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: efficient schemes for managing multiversionxml documents. authors: shu-yao chien , carlo zaniolo , vassilis j. tsotras. venue: vldb j.. year: 2002", "productB": "title: efficient management of multiversion documents by object referencing. authors: shu-yao chien , vassilis j. tsotras , carlo zaniolo. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: efficient schemes for managing multiversionxml documents. authors: shu-yao chien , carlo zaniolo , vassilis j. tsotras. venue: vldb j.. year: 2002", "productB": "title: efficient filtering of xml documents with xpath expressions. authors: c.-y . chan , p. felber , m. garofalakis , r. rastogi. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: efficient evaluation of queries in a mediator for websources. authors: tolga urhan , laura bright , vladimir zadorozhny , maria-esther vidal , louiqa raschid. venue: sigmod conference. year: 2002", "productB": "title: efficient evaluation of xml middle-ware queries. authors: mary fernandez , atsuyuki morishima , dan suciu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: optimizing the secure evaluation of twig queries. authors: sihem amer-yahia , divesh srivastava , sungran cho , laks v. s. lakshmanan. venue: vldb. year: 2002", "productB": "title: efficient evaluation of xml middle-ware queries. authors: mary fernandez , atsuyuki morishima , dan suciu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: temporal slicing in the evaluation of xml queries. authors: richard t. snodgrass , dengfeng gao. venue: vldb. year: 2003", "productB": "title: efficient evaluation of xml middle-ware queries. authors: mary fernandez , atsuyuki morishima , dan suciu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient mining of xml query patterns for caching. authors: liang huai yang , mong-li lee , wynne hsu. venue: vldb. year: 2003", "productB": "title: efficient evaluation of xml middle-ware queries. authors: mary fernandez , atsuyuki morishima , dan suciu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: from tree patterns to generalized tree patterns : on efficient evaluation of xquery. authors: zhimin chen , stelios paparizos , h. v. jagadish , laks v. s. lakshmanan. venue: vldb. year: 2003", "productB": "title: efficient evaluation of xml middle-ware queries. authors: mary fernandez , atsuyuki morishima , dan suciu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient evaluation of queries in a mediator for websources. authors: tolga urhan , laura bright , vladimir zadorozhny , maria-esther vidal , louiqa raschid. venue: sigmod conference. year: 2002", "productB": "title: efficient evaluation of queries in a mediator for websources. authors: vladimir zadorozhny , louiqa raschid , maria esther vidal , tolga urhan , laura bright. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: parallel evaluation of multi-join queries. authors: jan flokstra , annita n. wilschut , peter m. g. apers. venue: sigmod conference. year: 1995", "productB": "title: efficient evaluation of queries in a mediator for websources. authors: vladimir zadorozhny , louiqa raschid , maria esther vidal , tolga urhan , laura bright. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: information integration and xml in ibm 's db2. authors: patricia g. selinger. venue: vldb. year: 2002", "productB": "title: efficient integration and aggregation of historical information. authors: mirek riedewald , divyakant agrawal , amr el abbadi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: automation in information extraction and data integration. authors: sunita sarawagi. venue: vldb. year: 2002", "productB": "title: efficient integration and aggregation of historical information. authors: mirek riedewald , divyakant agrawal , amr el abbadi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: on wrapping query languages and efficient xml integration. authors: j\u00e9r\u00f4me sim\u00e9on , vassilis christophides , sophie cluet. venue: sigmod conference. year: 2000", "productB": "title: efficient integration and aggregation of historical information. authors: mirek riedewald , divyakant agrawal , amr el abbadi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: information integration and xml in ibm 's db2. authors: patricia g. selinger. venue: vldb. year: 2002", "productB": "title: infomaster : an information integration system. authors: michael r. genesereth , arthur m. keller , oliver m. duschka. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: integrating information for on demand computing. authors: nelson mendon\u00e7a mattos. venue: vldb. year: 2003", "productB": "title: infomaster : an information integration system. authors: michael r. genesereth , arthur m. keller , oliver m. duschka. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: duplicate removal in information system dissemination. authors: tak w. yan , hector garcia-molina. venue: vldb. year: 1995", "productB": "title: infomaster : an information integration system. authors: michael r. genesereth , arthur m. keller , oliver m. duschka. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: using probabilistic information in data integration. authors: alon y. levy , daniela florescu , daphne koller. venue: vldb. year: 1997", "productB": "title: infomaster : an information integration system. authors: michael r. genesereth , arthur m. keller , oliver m. duschka. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: iterative dynamic programming : a new class of query optimization algorithms. authors: donald kossmann , konrad stocker. venue: acm trans . database syst .. year: 2000", "productB": "title: algebraic query optimisation for database programming languages. authors: alexandra poulovassilis , carol small. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: applications of the java programming language to database management. authors: v. wiktor marek , bradley f. burton. venue: sigmod record. year: 1998", "productB": "title: algebraic query optimisation for database programming languages. authors: alexandra poulovassilis , carol small. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: algebraic query optimisation for database programming languages. authors: alexandra poulovassilis , carol small. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: algebraic change propagation for semijoin and outerjoin queries. authors: timothy griffin , bharat kumar. venue: sigmod record. year: 1998", "productB": "title: algebraic query optimisation for database programming languages. authors: alexandra poulovassilis , carol small. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: a pictorial query language for querying geographic databases using positional and olap operators. authors: elaheh pourabbas , maurizio rafanelli. venue: sigmod record. year: 2002", "productB": "title: algebraic query optimisation for database programming languages. authors: alexandra poulovassilis , carol small. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: iterative dynamic programming : a new class of query optimization algorithms. authors: donald kossmann , konrad stocker. venue: acm trans . database syst .. year: 2000", "productB": "title: sql query optimization : reordering for a general class of queries. authors: piyush goel , bala iyer. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: sql query optimization : reordering for a general class of queries. authors: piyush goel , bala iyer. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: towards self-tuning data placement in parallel database systems. authors: mong-li lee , beng chin ooi , anirban mondal , kian-lee tan , masaru kitsuregawa. venue: sigmod conference. year: 2000", "productB": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: surajit chaudhuri , gerhard weikum. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: surajit chaudhuri , gerhard weikum. venue: vldb. year: 2000", "productB": "title: rethinking database system architecture : towards a self-tuning risc-style database system. authors: surajit chaudhuri , gerhard weikum. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: towards self-tuning data placement in parallel database systems. authors: mong-li lee , beng chin ooi , anirban mondal , kian-lee tan , masaru kitsuregawa. venue: sigmod conference. year: 2000", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: vldb. year: 1996", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: parallel database systems 101. authors: jim gray. venue: sigmod conference. year: 1995", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: sigmod conference. year: 1994", "productB": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: data mining in the bioinformatics domain. authors: shalom tsur. venue: vldb. year: 2000", "productB": "title: data analysis and mining in the life sciences. authors: nam huyn. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: data mining in the bioinformatics domain. authors: shalom tsur. venue: vldb. year: 2000", "productB": "title: data mining in the bioinformatics domain. authors: shalom tsur. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries. authors: anna c. gilbert , martin strauss , yannis kotidis , s. muthukrishnan. venue: vldb. year: 2001", "productB": "title: approximating aggregate queries about web pages via random walks. authors: ziv bar-yossef , alexander berg , steve chien , jittat fakcharoenphol , dror weitz. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a robust , optimization-based approach for approximate answering of aggregate queries. authors: vivek r. narasayya , gautam das , surajit chaudhuri. venue: sigmod conference. year: 2001", "productB": "title: approximating aggregate queries about web pages via random walks. authors: ziv bar-yossef , alexander berg , steve chien , jittat fakcharoenphol , dror weitz. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries. authors: anna c. gilbert , martin strauss , yannis kotidis , s. muthukrishnan. venue: vldb. year: 2001", "productB": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: dimitrios gunopulos , george kollios , vassilis j. tsotras , carlotta domeniconi. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries. authors: anna c. gilbert , martin strauss , yannis kotidis , s. muthukrishnan. venue: vldb. year: 2001", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos garofalakis , rajeev rastogi , kyuseok shim. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: approximate join processing over data streams. authors: johannes gehrke , abhinandan das , mirek riedewald. venue: sigmod conference. year: 2003", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos garofalakis , rajeev rastogi , kyuseok shim. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: similarity query processing using disk arrays. authors: apostolos papadopoulos , yannis manolopoulos. venue: sigmod conference. year: 1998", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos garofalakis , rajeev rastogi , kyuseok shim. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: improving adaptable similarity query processing by using approximations. authors: hans-peter kriegel , bernhard braunm\u00fcller , thomas seidl , mihael ankerst. venue: vldb. year: 1998", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos garofalakis , rajeev rastogi , kyuseok shim. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries. authors: anna c. gilbert , martin strauss , yannis kotidis , s. muthukrishnan. venue: vldb. year: 2001", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos n. garofalakis , rajeev rastogi , kyuseok shim. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: min wang , jeffrey scott vitter. venue: sigmod conference. year: 1999", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos n. garofalakis , rajeev rastogi , kyuseok shim. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: approximate query processing using wavelets. authors: kyuseok shim , kaushik chakrabarti , minos n. garofalakis , rajeev rastogi. venue: vldb. year: 2000", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos n. garofalakis , rajeev rastogi , kyuseok shim. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: approximate join processing over data streams. authors: johannes gehrke , abhinandan das , mirek riedewald. venue: sigmod conference. year: 2003", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos n. garofalakis , rajeev rastogi , kyuseok shim. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a raster approximation for processing of spatial joins. authors: jano moreira de souza , geraldo zimbrao. venue: vldb. year: 1998", "productB": "title: approximate query processing using wavelets. authors: kaushik chakrabarti , minos n. garofalakis , rajeev rastogi , kyuseok shim. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: birch : an efficient data clustering method for very large databases. authors: raghu ramakrishnan , miron livny , tian zhang. venue: sigmod conference. year: 1996", "productB": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: gholamhosein sheikholeslami , surojit chatterjee , aidong zhang. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: surojit chatterjee , gholamhosein sheikholeslami , aidong zhang. venue: vldb. year: 1998", "productB": "title: wavecluster : a multi-resolution clustering approach for very large spatial databases. authors: gholamhosein sheikholeslami , surojit chatterjee , aidong zhang. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: birch : an efficient data clustering method for very large databases. authors: raghu ramakrishnan , miron livny , tian zhang. venue: sigmod conference. year: 1996", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ashoka savasere , edward omiecinski , shamkant b. navathe. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: edward omiecinski , shamkant b. navathe , ashok savasere. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ashoka savasere , edward omiecinski , shamkant b. navathe. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: vldb. year: 2001", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ashoka savasere , edward omiecinski , shamkant b. navathe. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: discovery of multiple-level association rules from large databases. authors: jiawei han , yongjian fu. venue: vldb. year: 1995", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ashoka savasere , edward omiecinski , shamkant b. navathe. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: efficient exploration of large scientific databases. authors: gustavo alonso , etzard stolte. venue: vldb. year: 2002", "productB": "title: an efficient algorithm for mining association rules in large databases. authors: ashoka savasere , edward omiecinski , shamkant b. navathe. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: birch : an efficient data clustering method for very large databases. authors: raghu ramakrishnan , miron livny , tian zhang. venue: sigmod conference. year: 1996", "productB": "title: wavecluster : a wavelet-based clustering approach for spatial data in very large databases. authors: gholamhosein sheikholeslami , surojit chatterjee , aidong zhang. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: cure : an efficient clustering algorithm for large databases. authors: sudipto guha , rajeev rastogi , kyuseok shim. venue: sigmod conference. year: 1998", "productB": "title: wavecluster : a wavelet-based clustering approach for spatial data in very large databases. authors: gholamhosein sheikholeslami , surojit chatterjee , aidong zhang. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: eliminating costly redundant computations from sql trigger executions. authors: fran\u00e7ois llirbat , fran\u00e7oise fabret , eric simon. venue: sigmod conference. year: 1997", "productB": "title: eliminating costly redundant computations from sql trigger executions. authors: fran ç ois llirbat , fran ç oise fabret , eric simon. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: min wang , jeffrey scott vitter. venue: sigmod conference. year: 1999", "productB": "title: explaining differences in multidimensional aggregates. authors: sunita sarawagi. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: explaining differences in multidimensional aggregates. authors: sunita sarawagi. venue: vldb. year: 1999", "productB": "title: explaining differences in multidimensional aggregates. authors: sunita sarawagi. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: min wang , jeffrey scott vitter. venue: sigmod conference. year: 1999", "productB": "title: on the computation of multidimensional aggregates. authors: sameet agarwal , rakesh agrawal , prasad deshpande , ashish gupta , jeffrey f. naughton , raghu ramakrishnan , sunita sarawagi. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: jeffrey f. naughton , amit shukla , karthikeyan ramasamy , prasad deshpande. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregates. authors: sameet agarwal , rakesh agrawal , prasad deshpande , ashish gupta , jeffrey f. naughton , raghu ramakrishnan , sunita sarawagi. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: on the computation of multidimensional aggregates. authors: sunita sarawagi , ashish gupta , rakesh agrawal , prasad deshpande , jeffrey f. naughton , sameet agarwal , raghu ramakrishnan. venue: vldb. year: 1996", "productB": "title: on the computation of multidimensional aggregates. authors: sameet agarwal , rakesh agrawal , prasad deshpande , ashish gupta , jeffrey f. naughton , raghu ramakrishnan , sunita sarawagi. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: carlotta domeniconi , vassilis j. tsotras , george kollios , dimitrios gunopulos. venue: sigmod conference. year: 2000", "productB": "title: on the computation of multidimensional aggregates. authors: sameet agarwal , rakesh agrawal , prasad deshpande , ashish gupta , jeffrey f. naughton , raghu ramakrishnan , sunita sarawagi. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: a one-pass aggregation algorithm with the optimal buffer size in multidimensional olap. authors: yang-sae moon , young-koo lee , il-yeol song , kyu-young whang. venue: vldb. year: 2002", "productB": "title: on the computation of multidimensional aggregates. authors: sameet agarwal , rakesh agrawal , prasad deshpande , ashish gupta , jeffrey f. naughton , raghu ramakrishnan , sunita sarawagi. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: multi-dimensional regression analysis of time-series data streams. authors: benjamin w. wah , yixin chen , jianyong wang , guozhu dong , jiawei han. venue: vldb. year: 2002", "productB": "title: multi-dimensional resource scheduling for parallel queries. authors: minos n. garofalakis , yannis e. ioannidis. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: parallel query scheduling and optimization with time - and space-shared resources. authors: yannis e. ioannidis , minos n. garofalakis. venue: vldb. year: 1997", "productB": "title: multi-dimensional resource scheduling for parallel queries. authors: minos n. garofalakis , yannis e. ioannidis. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query unnesting in object-oriented databases. authors: leonidas fegaras. venue: sigmod conference. year: 1998", "productB": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: query processing in spatial network databases. authors: nikos mamoulis , jun zhang , dimitris papadias , yufei tao. venue: vldb. year: 2003", "productB": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: integrating reliable memory in databases. authors: peter m. chen , wee teck ng. venue: vldb j.. year: 1998", "productB": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: on the costs of multilingualism in database systems. authors: a. kumaran , jayant r. haritsa. venue: vldb. year: 2003", "productB": "title: database systems-breaking out of the box. authors: avi silberschatz , stan zdonik. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: sigmod conference. year: 1994", "productB": "title: database systems-breaking out of the box. authors: avi silberschatz , stan zdonik. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: on the costs of multilingualism in database systems. authors: a. kumaran , jayant r. haritsa. venue: vldb. year: 2003", "productB": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: vldb. year: 1994", "productB": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: on the costs of multilingualism in database systems. authors: a. kumaran , jayant r. haritsa. venue: vldb. year: 2003", "productB": "title: on the semantics of now in databases. authors: james clifford , curtis dyreson , tom á s isakowitz , christian s. jensen , richard thomas snodgrass. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: opt + + : an object-oriented implementation for extensible database query optimization. authors: david j. dewitt , navin kabra. venue: vldb j.. year: 1999", "productB": "title: cost-based optimization for magic : algebra and implementation. authors: praveen seshadri , joseph m. hellerstein , hamid pirahesh , t. y. cliff leung , raghu ramakrishnan , divesh srivastava , peter j. stuckey , s. sudarshan. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: context-based prefetch - an optimization for implementing objects on relations. authors: david shutt , philip a. bernstein , shankar pal. venue: vldb j.. year: 2000", "productB": "title: cost-based optimization for magic : algebra and implementation. authors: praveen seshadri , joseph m. hellerstein , hamid pirahesh , t. y. cliff leung , raghu ramakrishnan , divesh srivastava , peter j. stuckey , s. sudarshan. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: hd-eye : visual clustering of high dimensional data. authors: daniel a. keim , markus wawryniuk , alexander hinneburg. venue: sigmod conference. year: 2002", "productB": "title: multi-dimensional clustering : a new data layout scheme in db2. authors: sriram padmanabhan , bishwaranjan bhattacharjee , tim malkemus , leslie cranston , matthew huras. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: matthew huras , leslie cranston , bishwaranjan bhattacharjee , sriram padmanabhan , timothy malkemus , tony lai. venue: vldb. year: 2003", "productB": "title: multi-dimensional clustering : a new data layout scheme in db2. authors: sriram padmanabhan , bishwaranjan bhattacharjee , tim malkemus , leslie cranston , matthew huras. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: exchanging intensional xml data. authors: omar benjelloun , tova milo , serge abiteboul , frederic dang ngoc , bernd amann. venue: sigmod conference. year: 2003", "productB": "title: exchanging intensional xml data. authors: tova milo , serge abiteboul , bernd amann , omar benjelloun , fred dang ngoc. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: the structured information manager : a database system for sgml documents. authors: ron sacks-davis. venue: vldb. year: 1996", "productB": "title: a general technique for querying xml documents using a relational database system. authors: jayavel shanmugasundaram , eugene shekita , jerry kiernan , rajasekar krishnamurthy , efstratios viglas , jeffrey naughton , igor tatarinov. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: daniel barbar\u00e1 , hector garcia-molina. venue: vldb j.. year: 1994", "productB": "title: a general technique for querying xml documents using a relational database system. authors: jayavel shanmugasundaram , eugene shekita , jerry kiernan , rajasekar krishnamurthy , efstratios viglas , jeffrey naughton , igor tatarinov. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: sigmod conference. year: 1994", "productB": "title: a general technique for querying xml documents using a relational database system. authors: jayavel shanmugasundaram , eugene shekita , jerry kiernan , rajasekar krishnamurthy , efstratios viglas , jeffrey naughton , igor tatarinov. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: efficiently publishing relational data as xml documents. authors: bruce g. lindsay , hamid pirahesh , berthold reinwald , michael j. carey , rimon barr , jayavel shanmugasundaram , eugene j. shekita. venue: vldb j.. year: 2001", "productB": "title: a general technique for querying xml documents using a relational database system. authors: jayavel shanmugasundaram , eugene shekita , jerry kiernan , rajasekar krishnamurthy , efstratios viglas , jeffrey naughton , igor tatarinov. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: the structured information manager : a database system for sgml documents. authors: ron sacks-davis. venue: vldb. year: 1996", "productB": "title: the aggregate data problem : a system for their definition and management. authors: m. rafanelli , a. bezenchek , l. tininini. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: kaushik chakrabarti , sharad mehrotra , eamonn j. keogh , michael j. pazzani. venue: sigmod conference. year: 2001", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: eamonn keogh , kaushik chakrabarti , michael pazzani , sharad mehrotra. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: vldb. year: 1996", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: eamonn keogh , kaushik chakrabarti , michael pazzani , sharad mehrotra. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: eamonn keogh , kaushik chakrabarti , michael pazzani , sharad mehrotra. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: digital library services in mobile computing. authors: evaggelia pitoura , melliyal annamalai , bharat k. bhargava. venue: sigmod record. year: 1995", "productB": "title: quality of service in multimedia digital libraries. authors: elisa bertino , ahmed k. elmagarmid , mohand-sa ï d hacid. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: sequence query processing. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: sigmod conference. year: 1994", "productB": "title: genesys : a system for efficient spatial query processing. authors: thomas brinkhoff , hans-peter kriegel , ralf schneider , bernhard seeger. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: generating efficient plans for queries using views. authors: chen li , jeffrey d. ullman , foto n. afrati. venue: sigmod conference. year: 2001", "productB": "title: genesys : a system for efficient spatial query processing. authors: thomas brinkhoff , hans-peter kriegel , ralf schneider , bernhard seeger. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: online query processing. authors: peter j. haas , joseph m. hellerstein. venue: sigmod conference. year: 2001", "productB": "title: genesys : a system for efficient spatial query processing. authors: thomas brinkhoff , hans-peter kriegel , ralf schneider , bernhard seeger. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the dedale system for complex spatial queries. authors: luc segoufin , philippe rigaux , st\u00e9phane grumbach. venue: sigmod conference. year: 1998", "productB": "title: genesys : a system for efficient spatial query processing. authors: thomas brinkhoff , hans-peter kriegel , ralf schneider , bernhard seeger. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: sequence query processing. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: sigmod conference. year: 1994", "productB": "title: online query processing : a tutorial. authors: peter j. haas , joseph m. hellerstein. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: partial results for online query processing. authors: joseph m. hellerstein , vijayshankar raman. venue: sigmod conference. year: 2002", "productB": "title: online query processing : a tutorial. authors: peter j. haas , joseph m. hellerstein. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: robust and efficient fuzzy match for online data cleaning. authors: surajit chaudhuri , kris ganjam , venkatesh ganti , rajeev motwani. venue: sigmod conference. year: 2003", "productB": "title: robust and efficient fuzzy match for online data cleaning. authors: surajit chaudhuri , kris ganjam , venkatesh ganti , rajeev motwani. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: report on the semantic web workshop at www 2002. authors: martin r. frank , natalya fridman noy , steffen staab. venue: sigmod record. year: 2002", "productB": "title: report on the vldb workshop on technologies for e-services ( tes ). authors: fabio casati , umesh dayal , ming-chien shan. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: vldb workshop on technologies in e-services ( tes ). authors: ming-chien shan , fabio casati , umeshwar dayal. venue: sigmod record. year: 2000", "productB": "title: report on the vldb workshop on technologies for e-services ( tes ). authors: fabio casati , umesh dayal , ming-chien shan. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: schemasql : an extension to sql for multidatabase interoperability. authors: fereidoon sadri , laks v. s. lakshmanan , subbu n. subramanian. venue: acm trans . database syst .. year: 2001", "productB": "title: schemasql - a language for interoperability in relational multi-database systems. authors: laks v. s. lakshmanan , fereidoon sadri , iyer n. subramanian. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: languages for multi-database interoperability. authors: laks v. s. lakshmanan , fr\u00e9d\u00e9ric gingras , nematollaah shiri , despina papoulis , iyer n. subramanian. venue: sigmod conference. year: 1997", "productB": "title: schemasql - a language for interoperability in relational multi-database systems. authors: laks v. s. lakshmanan , fereidoon sadri , iyer n. subramanian. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: th\u00e9mis : a database programming language handling integrity constraints. authors: anne doucet , v\u00e9ronique benzaken. venue: vldb j.. year: 1995", "productB": "title: heraclitus : elevating deltas to be first-class citizens in a database programming language. authors: shahram ghandeharizadeh , richard hull , dean jacobs. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: th\u00e9mis : a database programming language handling integrity constraints. authors: anne doucet , v\u00e9ronique benzaken. venue: vldb j.. year: 1995", "productB": "title: the lyric language : querying constraint objects. authors: alexander brodsky , yoram kornatzky. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a graphical query language for mobile information systems. authors: ya-hui chang. venue: sigmod record. year: 2003", "productB": "title: a query language for a web-site management system. authors: mary fernandez , daniela florescu , alon levy , dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: anatomy of a native xml base management system. authors: thorsten fiebig , till westmann , robert schiele , guido moerkotte , carl-christian kanne , julia neumann , sven helmer. venue: vldb j.. year: 2002", "productB": "title: a query language for a web-site management system. authors: mary fernandez , daniela florescu , alon levy , dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: data grid management systems. authors: arun jagatheesan , arcot rajasekar. venue: sigmod conference. year: 2003", "productB": "title: a query language for a web-site management system. authors: mary fernandez , daniela florescu , alon levy , dan suciu. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: a query language for a web-site management system. authors: dan suciu , daniela florescu , alon y. levy , mary f. fernandez. venue: sigmod record. year: 1997", "productB": "title: a query language for a web-site management system. authors: mary fernandez , daniela florescu , alon levy , dan suciu. venue: acm sigmod record. year: 1997", "same": true} +{"productA": "title: a graphical query language for mobile information systems. authors: ya-hui chang. venue: sigmod record. year: 2003", "productB": "title: a pictorial query language for querying geographic databases using positional and olap operators. authors: elaheh pourabbas , maurizio rafanelli. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: vldb. year: 1996", "productB": "title: parallel database systems 101. authors: jim gray. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: generalized search trees for database systems. authors: jeffrey f. naughton , avi pfeffer , joseph m. hellerstein. venue: vldb. year: 1995", "productB": "title: parallel database systems 101. authors: jim gray. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: parallel database systems in the 1990 's. authors: michael j. carey. venue: sigmod conference. year: 1994", "productB": "title: parallel database systems 101. authors: jim gray. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: pc database systems - present and future. authors: philip a. bernstein. venue: vldb. year: 1994", "productB": "title: parallel database systems 101. authors: jim gray. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: dynamic load balancing in hierarchical parallel database systems. authors: luc bouganim , daniela florescu , patrick valduriez. venue: vldb. year: 1996", "productB": "title: dynamic multi-resource load balancing in parallel database systems. authors: erhard rahm , robert marek. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yong-jin choi , chin-wan chung. venue: sigmod conference. year: 2002", "productB": "title: adaptive selectivity estimation using query feedback. authors: chungmin melvin chen , nick roussopoulos. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: estimating the selectivity of spatial queries using the ` correlation ' fractal dimension. authors: christos faloutsos , alberto belussi. venue: vldb. year: 1995", "productB": "title: adaptive selectivity estimation using query feedback. authors: chungmin melvin chen , nick roussopoulos. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yong-jin choi , chin-wan chung. venue: sigmod conference. year: 2002", "productB": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: bj ö rn blohsfeld , dieter korus , bernhard seeger. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: eugene j. shekita , viswanath poosala , yannis e. ioannidis , peter j. haas. venue: sigmod conference. year: 1996", "productB": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: bj ö rn blohsfeld , dieter korus , bernhard seeger. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yong-jin choi , chin-wan chung. venue: sigmod conference. year: 2002", "productB": "title: analysis of predictive spatio-temporal queries. authors: yufei tao , jimeng sun , dimitris papadias. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: an extensible notation for spatiotemporal index queries. authors: richard t. snodgrass , vassilis j. tsotras , christian s. jensen. venue: sigmod record. year: 1998", "productB": "title: analysis of predictive spatio-temporal queries. authors: yufei tao , jimeng sun , dimitris papadias. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yong-jin choi , chin-wan chung. venue: sigmod conference. year: 2002", "productB": "title: an extensible notation for spatiotemporal index queries. authors: vassilis j. tsotras , christian s. jensen , richard thomas snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: aurora : a new model and architecture for data stream management. authors: christian convey , sangdon lee , ugur \u00e7etintemel , daniel j. abadi , michael stonebraker , mitch cherniack , donald carney , stanley b. zdonik , nesime tatbul. venue: vldb j.. year: 2003", "productB": "title: tavant system architecture for sell-side channel management. authors: srinivasa narayanan , subbu n. subramanian. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: lore : a database management system for semistructured data. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. venue: sigmod record. year: 1997", "productB": "title: tavant system architecture for sell-side channel management. authors: srinivasa narayanan , subbu n. subramanian. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: tavant system architecture for sell-side channel management. authors: subbu n. subramanian , srinivasa narayanan. venue: vldb. year: 2001", "productB": "title: tavant system architecture for sell-side channel management. authors: srinivasa narayanan , subbu n. subramanian. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: secure bufering in firm real-time database systems. authors: jayant r. haritsa , binto george. venue: vldb j.. year: 2000", "productB": "title: index concurrency control in firm real-time database systems. authors: brajesh goyal , jayant r. haritsa , s. seshadri , v. srinivasan. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: real-time index concurrency control. authors: s. seshadri , jayant r. haritsa. venue: sigmod record. year: 1996", "productB": "title: index concurrency control in firm real-time database systems. authors: brajesh goyal , jayant r. haritsa , s. seshadri , v. srinivasan. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: secure bufering in firm real-time database systems. authors: jayant r. haritsa , binto george. venue: vldb j.. year: 2000", "productB": "title: s3 : similarity search in cad database systems. authors: stefan berchtold , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: s3 : similarity search in cad database systems. authors: stefan berchtold , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: proximity search in databases. authors: narayanan shivakumar , hector garcia-molina , roy goldman , suresh venkatasubramanian. venue: vldb. year: 1998", "productB": "title: s3 : similarity search in cad database systems. authors: stefan berchtold , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: report on the first international conference on ontologies , databases and applications of semantics. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: report on fqas 2002 : fifth international conference on flexible query answering systems. authors: amihai motro , troels andreasen. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: report on the 4th international conference on mobile data management. authors: panos k. chrysanthis , arkady b. zaslavsky , morris sloman. venue: sigmod record. year: 2003", "productB": "title: report on fqas 2002 : fifth international conference on flexible query answering systems. authors: amihai motro , troels andreasen. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: foundations of preferences in database systems. authors: werner kie\u00dfling. venue: vldb. year: 2002", "productB": "title: an aspect of query optimization in multidatabase systems. authors: chiang lee , chia-jung chen , hongjun lu. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: dataguides : enabling query formulation and optimization in semistructured databases. authors: roy goldman , jennifer widom. venue: vldb. year: 1997", "productB": "title: an aspect of query optimization in multidatabase systems. authors: chiang lee , chia-jung chen , hongjun lu. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: an aspect of query optimization in multidatabase systems ( extended abstract ). authors: chiang lee , hongjun lu , chia-jung chen. venue: sigmod record. year: 1995", "productB": "title: an aspect of query optimization in multidatabase systems. authors: chiang lee , chia-jung chen , hongjun lu. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: foundations of preferences in database systems. authors: werner kie\u00dfling. venue: vldb. year: 2002", "productB": "title: highly concurrent cache consistency for indices in client-server database systems. authors: markos zaharioudakis , michael j. carey. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: julie basu , arthur m. keller. venue: vldb j.. year: 1996", "productB": "title: highly concurrent cache consistency for indices in client-server database systems. authors: markos zaharioudakis , michael j. carey. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: foundations of preferences in database systems. authors: werner kie\u00dfling. venue: vldb. year: 2002", "productB": "title: maintaining database consistency in presence of value dependencies in multidatabase systems. authors: claire morpain , mich é le cart , jean ferri é , jean-fran ç ois pons. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: the demarcation protocol : a technique for maintaining constraints in distributed database systems. authors: daniel barbar\u00e1 , hector garcia-molina. venue: vldb j.. year: 1994", "productB": "title: maintaining database consistency in presence of value dependencies in multidatabase systems. authors: claire morpain , mich é le cart , jean ferri é , jean-fran ç ois pons. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: highly concurrent cache consistency for indices in client-server database systems. authors: michael j. carey , markos zaharioudakis. venue: sigmod conference. year: 1997", "productB": "title: maintaining database consistency in presence of value dependencies in multidatabase systems. authors: claire morpain , mich é le cart , jean ferri é , jean-fran ç ois pons. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a case for dynamic view management. authors: nick roussopoulos , yannis kotidis. venue: acm trans . database syst .. year: 2001", "productB": "title: tam : a system for dynamic transactional activity management. authors: tong zhou , ling liu , calton pu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: topaz : a cost-based , rule-driven , multi-phase parallelizer. authors: bernhard mitschang , clara nippl. venue: vldb. year: 1998", "productB": "title: topaz : a cost-based , rule-driven , multi-phase parallelizer. authors: clara nippl , bernhard mitschang. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: rainforest - a framework for fast decision tree construction of large datasets. authors: johannes gehrke , venkatesh ganti , raghu ramakrishnan. venue: vldb. year: 1998", "productB": "title: boat-optimistic decision tree construction. authors: johannes gehrke , venkatesh ganti , raghu ramakrishnan , wei-yin loh. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: constructing efficient decision trees by using optimized numeric association rules. authors: takeshi fukuda , yasuhiko morimoto , takeshi tokuyama , shinichi morishita. venue: vldb. year: 1996", "productB": "title: boat-optimistic decision tree construction. authors: johannes gehrke , venkatesh ganti , raghu ramakrishnan , wei-yin loh. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: sigmod conference. year: 1997", "productB": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: what is the nearest neighbor in high dimensional spaces ?. authors: charu c. aggarwal , alexander hinneburg , daniel a. keim. venue: vldb. year: 2000", "productB": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: sigmod conference. year: 1997", "productB": "title: what is the nearest neighbor in high dimensional spaces ?. authors: alexander hinneburg , charu c. aggarwal , daniel a. keim. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: the sr-tree : an index structure for high-dimensional nearest neighbor queries. authors: norio katayama , shin ` ichi satoh. venue: sigmod conference. year: 1997", "productB": "title: vist : a dynamic index method for querying xml data by tree structures. authors: haixun wang , sanghyun park , wei fan , philip s. yu. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: vldb. year: 2000", "productB": "title: an optimal and progressive algorithm for skyline queries. authors: dimitris papadias , yufei tao , greg fu , bernhard seeger. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a scalable algorithm for answering queries using views. authors: rachel pottinger , alon y. levy. venue: vldb. year: 2000", "productB": "title: optimizing queries using materialized views : a practical , scalable solution. authors: jonathan goldstein , per - Å ke larson. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: the design and implementation of a sequence database system. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: schema and database evolution in the o2 object database system. authors: fabrizio ferrandina , guy ferran , thorsten meyer , roberto zicari , jo\u00eblle madec. venue: vldb. year: 1995", "productB": "title: the design and implementation of a sequence database system. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: the design and implementation of a sequence database system. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: implementation of magic-sets in a relational database system. authors: inderpal singh mumick , hamid pirahesh. venue: sigmod conference. year: 1994", "productB": "title: the design and implementation of a sequence database system. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: xsb as an efficient deductive database engine. authors: konstantinos sagonas , terrance swift , david s. warren. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: xsb as an efficient deductive database engine. authors: david scott warren , konstantinos f. sagonas , terrance swift. venue: sigmod conference. year: 1994", "productB": "title: xsb as an efficient deductive database engine. authors: konstantinos sagonas , terrance swift , david s. warren. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: xsb as an efficient deductive database engine. authors: konstantinos sagonas , terrance swift , david s. warren. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: applying database technology in the adsm mass storage system. authors: luis-felipe cabrera , robert rees , wayne hineman. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: the algres testbed of chimera : an active object-oriented database system. authors: stefano ceri , piero fraternali , stefano paraboschi , giuseppe psaila. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the trigs active object-oriented database system - an overview. authors: gerti kappel , werner retschitzegger. venue: sigmod record. year: 1998", "productB": "title: the algres testbed of chimera : an active object-oriented database system. authors: stefano ceri , piero fraternali , stefano paraboschi , giuseppe psaila. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: the algres testbed of chimera : an active object-oriented database system. authors: stefano ceri , piero fraternali , stefano paraboschi , giuseppe psaila. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the aditi deductive database system. authors: kotagiri ramamohanarao , david b. kemp , jayen vaghani , tim s. leask , james harland , peter j. stuckey , zoltan somogyi. venue: vldb j.. year: 1994", "productB": "title: special issue on prototypes of deductive database systems. authors: k. ramamohanarao. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: sigmod conference. year: 2001", "productB": "title: special issue on prototypes of deductive database systems. authors: k. ramamohanarao. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: title , preface to the special issue on persistent object systems. authors: ?. venue: vldb j.. year: 1995", "productB": "title: special issue on prototypes of deductive database systems. authors: k. ramamohanarao. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": false} +{"productA": "title: time-parameterized queries in spatio-temporal databases. authors: dimitris papadias , yufei tao. venue: sigmod conference. year: 2002", "productB": "title: closest pair queries in spatial databases. authors: antonio corral , yannis manolopoulos , yannis theodoridis , michael vassilakopoulos. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: spatial queries in dynamic environments. authors: yufei tao , dimitris papadias. venue: acm trans . database syst .. year: 2003", "productB": "title: closest pair queries in spatial databases. authors: antonio corral , yannis manolopoulos , yannis theodoridis , michael vassilakopoulos. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: time-parameterized queries in spatio-temporal databases. authors: dimitris papadias , yufei tao. venue: sigmod conference. year: 2002", "productB": "title: temporal queries in olap. authors: alberto o. mendelzon , alejandro a. vaisman. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: range queries in olap data cubes. authors: ching-tien ho , rakesh agrawal , nimrod megiddo , ramakrishnan srikant. venue: sigmod conference. year: 1997", "productB": "title: temporal queries in olap. authors: alberto o. mendelzon , alejandro a. vaisman. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: temporal queries in olap. authors: alberto o. mendelzon , alejandro a. vaisman. venue: vldb. year: 2000", "productB": "title: temporal queries in olap. authors: alberto o. mendelzon , alejandro a. vaisman. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: efficient materialization and use of views in data warehouses. authors: m\u00e1rcio farias de souza , marcus costa sampaio. venue: sigmod record. year: 1999", "productB": "title: curio : a novel solution for efficient storage and indexing in data warehouses. authors: anindya datta , krithi ramamritham , helen m. thomas. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: efficient materialization and use of views in data warehouses. authors: m\u00e1rcio farias de souza , marcus costa sampaio. venue: sigmod record. year: 1999", "productB": "title: efficient resumption of interrupted warehouse loads. authors: wilburt juan labio , janet l. wiener , hector garcia-molina , vlad gorelik. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: databases for networks. authors: h. v. jagadish. venue: sigmod conference. year: 1994", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database principles column - introduction. authors: leonid libkin. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: design principles for data-intensive web sites. authors: piero fraternali , stefano paraboschi , stefano ceri. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: databases for networks. authors: h. v. jagadish. venue: sigmod conference. year: 1994", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: database principles column - introduction. authors: leonid libkin. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: databases for networks. authors: h. v. jagadish. venue: sigmod conference. year: 1994", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database principles column - introduction. authors: leonid libkin. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: philippe bonnet , dennis shasha. venue: vldb. year: 2002", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: arvind hulgeri , s. sudarshan. venue: vldb. year: 2003", "productB": "title: design and analysis of parametric query optimization algorithms. authors: sumit ganguly. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: anipqo : almost non-intrusive parametric query optimization for nonlinear cost functions. authors: arvind hulgeri , s. sudarshan. venue: vldb. year: 2003", "productB": "title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c\u00e9sar a. galindo-legaria , arnon rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: query optimization at the crossroads ( panel ). authors: surajit chaudhuri. venue: sigmod conference. year: 1997", "productB": "title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: efficient approximation of optimization queries under parametric aggregation constraints. authors: dimitrios gunopulos , nick koudas , divesh srivastava , michail vlachos , sudipto guha. venue: vldb. year: 2003", "productB": "title: parametric query optimization. authors: yannis e. ioannidis , raymond t. ng , kyuseok shim , timos k. sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: balancing histogram optimality and practicality for query result size estimation. authors: yannis e. ioannidis , viswanath poosala. venue: sigmod conference. year: 1995", "productB": "title: combining histograms and parametric curve fitting for feedback-driven query result-size estimation. authors: arnd christian k ö nig , gerhard weikum. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: optimizing database architecture for the new bottleneck : memory access. authors: peter a. boncz , stefan manegold , martin l. kersten. venue: vldb j.. year: 2000", "productB": "title: database architecture optimized for the new bottleneck : memory access. authors: peter a. boncz , stefan manegold , martin l. kersten. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: optimizing database architecture for the new bottleneck : memory access. authors: peter a. boncz , stefan manegold , martin l. kersten. venue: vldb j.. year: 2000", "productB": "title: one size fits all database architectures do not work for dss. authors: clark d. french. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: optimizing database architecture for the new bottleneck : memory access. authors: peter a. boncz , stefan manegold , martin l. kersten. venue: vldb j.. year: 2000", "productB": "title: optimizing multidimensional index trees for main memory access. authors: kihong kim , sang k. cha , keunjoo kwon. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: semantic integration in heterogeneous databases using neural networks. authors: chris clifton , wen-syan li. venue: vldb. year: 1994", "productB": "title: declustering databases on heterogeneous disk systems. authors: ling tony chen , doron rotem , sidhar seshadri. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: dbcache : database caching for web application servers. authors: mehmet altinel , qiong luo , sailesh krishnamurthy , c. mohan , hamid pirahesh , bruce g. lindsay , honguk woo , larry brown. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: visdb : a system for visualizing large databases. authors: daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: vldb. year: 1996", "productB": "title: visdb : a system for visualizing large databases. authors: daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: visionary : a next generation visualization system for databases. authors: michael stonebraker. venue: sigmod conference. year: 2003", "productB": "title: visdb : a system for visualizing large databases. authors: daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: paradise : a database system for gis applications. authors: paradise team. venue: sigmod conference. year: 1995", "productB": "title: active storage hierarchy , database systems and applications - socratic exegesis. authors: felipe cari ñ o , william o'connell , john burgess , joel h. saltz. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: transaction timestamping in ( temporal ) databases. authors: christian s. jensen , david b. lomet. venue: vldb. year: 2001", "productB": "title: semantic assumptions and query evaluation in temporal databases. authors: claudio bettini , x. sean wang , elisa bertino , sushil jajodia. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: report on the 1995 international workshop on temporal databases. authors: arie segev , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 1995", "productB": "title: semantic assumptions and query evaluation in temporal databases. authors: claudio bettini , x. sean wang , elisa bertino , sushil jajodia. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: semantic access : semantic interface for querying databases. authors: naphtali rishe , rukshan athauda , artyom shaposhnikov , jun yuan , dmitry vasilevsky , xiaoling lu , xiaobin ma , shu-ching chen , alexander vaschillo. venue: vldb. year: 2000", "productB": "title: semantic assumptions and query evaluation in temporal databases. authors: claudio bettini , x. sean wang , elisa bertino , sushil jajodia. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: contracting in the days of ebusiness. authors: wolfgang h\u00fcmmer , wolfgang lehner , hartmut wedekind. venue: sigmod record. year: 2002", "productB": "title: contracting in the days of ebusiness. authors: w. h ü mmer , w. lehner , h. wedekind. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: an almost-serial protocol for transaction execution in main-memory database systems. authors: stephen blott , henry f. korth. venue: vldb. year: 2002", "productB": "title: recovery protocols for shared memory database systems. authors: lory d. molesky , krithi ramamritham. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: generalized search trees for database systems. authors: jeffrey f. naughton , avi pfeffer , joseph m. hellerstein. venue: vldb. year: 1995", "productB": "title: recovery protocols for shared memory database systems. authors: lory d. molesky , krithi ramamritham. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: an almost-serial protocol for transaction execution in main-memory database systems. authors: stephen blott , henry f. korth. venue: vldb. year: 2002", "productB": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant haritsa. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: efficient testing of high performance transaction processing systems. authors: d. wildfogel , ramana yerneni. venue: vldb. year: 1997", "productB": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant haritsa. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: secure buffering in firm real-time database systems. authors: binto george , jayant r. haritsa. venue: vldb. year: 1998", "productB": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant haritsa. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: solving satisfiability and implication problems in database systems. authors: sha guo , mark allen weiss , wei sun. venue: acm trans . database syst .. year: 1996", "productB": "title: secure transaction processing in firm real-time database systems. authors: binto george , jayant haritsa. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: reminiscences an influential papers. authors: jeffrey f. naughton , minos n. garofalakis , kenneth a. ross. venue: sigmod record. year: 2003", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: reminiscences on influential papers. authors: s. sudarshan , charu c. aggarwal , mihalis yannakakis , alfons kemper , kenneth a. ross , sunita sarawagi. venue: sigmod record. year: 2000", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: z. meral \u00f6zsoyoglu , philip s. yu , nick roussopoulos , krithi ramamritham , alberto o. mendelzon , richard t. snodgrass , laura m. haas , jennifer widom , jan paredaens. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: reminiscences on influential papers. authors: jan van den bussche , surajit chaudhuri , moshe y. vardi , kenneth a. ross , g\u00f6sta grahne , h. v. jagadish. venue: sigmod record. year: 1999", "productB": "title: reminiscences on influential papers. authors: kenneth a. ross. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: birn-m : a semantic mediator for solving real-world neuroscience problems. authors: bertram lud\u00e4scher , maryann e. martone , amarnath gupta. venue: sigmod conference. year: 2003", "productB": "title: birn-m : a semantic mediator for solving real-world neuroscience problems. authors: amarnath gupta , bertram lud ä scher , maryann e. martone. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: improved histograms for selectivity estimation of range predicates. authors: eugene j. shekita , viswanath poosala , yannis e. ioannidis , peter j. haas. venue: sigmod conference. year: 1996", "productB": "title: improved histograms for selectivity estimation of range predicates. authors: viswanath poosala , peter j. haas , yannis e. ioannidis , eugene j. shekita. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: ratio rules : a new paradigm for fast , quantifiable data mining. authors: yannis kotidis , christos faloutsos , flip korn , alexandros labrinidis. venue: vldb. year: 1998", "productB": "title: sprint : a scalable parallel classifier for data mining. authors: john c. shafer , rakesh agrawal , manish mehta. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: ratio rules : a new paradigm for fast , quantifiable data mining. authors: yannis kotidis , christos faloutsos , flip korn , alexandros labrinidis. venue: vldb. year: 1998", "productB": "title: active rules for xml : a new paradigm for e-services. authors: angela bonifati , stefano ceri , stefano paraboschi. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: brad adelberg. venue: sigmod conference. year: 1998", "productB": "title: type classification of semi-structured documents. authors: markus tresch , neal palmer , allen luniewski. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: type classification of semi-structured documents. authors: allen luniewski , markus tresch , neal palmer. venue: vldb. year: 1995", "productB": "title: type classification of semi-structured documents. authors: markus tresch , neal palmer , allen luniewski. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: semantic integration of semistructured and structured data sources. authors: sonia bergamaschi , maurizio vincini , silvana castano. venue: sigmod record. year: 1999", "productB": "title: type classification of semi-structured documents. authors: markus tresch , neal palmer , allen luniewski. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: nodose - a tool for semi-automatically extracting semi-structured data from text documents. authors: brad adelberg. venue: sigmod conference. year: 1998", "productB": "title: nodose-a tool for semi-automatically extracting structured and semistructured data from text documents. authors: brad adelberg. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: approximate similarity retrieval with m-trees. authors: fausto rabitti , giuseppe amato , pavel zezula , pasquale savino. venue: vldb j.. year: 1998", "productB": "title: walrus : a similarity retrieval algorithm for image databases. authors: apostol natsev , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: walrus : a similarity retrieval algorithm for image databases. authors: rajeev rastogi , kyuseok shim , apostol natsev. venue: sigmod conference. year: 1999", "productB": "title: walrus : a similarity retrieval algorithm for image databases. authors: apostol natsev , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: sigmod conference. year: 1995", "productB": "title: lopix : a system for xml data integration and manipulation. authors: wolfgang may. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: sigmod conference. year: 1995", "productB": "title: multimediaminer : a system prototype for multimedia data mining. authors: osmar r. za ï ane , jiawei han , ze-nian li , sonny h. chee , jenny y. chiang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: active storage for large-scale data mining and multimedia. authors: garth a. gibson , erik riedel , christos faloutsos. venue: vldb. year: 1998", "productB": "title: multimediaminer : a system prototype for multimedia data mining. authors: osmar r. za ï ane , jiawei han , ze-nian li , sonny h. chee , jenny y. chiang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: query optimization by predicate move-around. authors: inderpal singh mumick , alon y. levy , yehoshua sagiv. venue: vldb. year: 1994", "productB": "title: query optimization by predicate move-around. authors: alon y. levy , inderpal singh mumick , yehoshua sagiv. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: optimization of queries with user-defined predicates. authors: kyuseok shim , surajit chaudhuri. venue: acm trans . database syst .. year: 1999", "productB": "title: query optimization by predicate move-around. authors: alon y. levy , inderpal singh mumick , yehoshua sagiv. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a foundation for multi-dimensional databases. authors: laks v. s. lakshmanan , marc gyssens. venue: vldb. year: 1997", "productB": "title: standard for multimedia databases. authors: john r. smith. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: indexing multimedia databases ( tutorial ). authors: christos faloutsos. venue: sigmod conference. year: 1995", "productB": "title: standard for multimedia databases. authors: john r. smith. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: a foundation for multi-dimensional databases. authors: laks v. s. lakshmanan , marc gyssens. venue: vldb. year: 1997", "productB": "title: a template model for multidimensional inter-transactional association rules. authors: ling feng , jeffrey xu yu , hongjun lu , jiawei han. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: outerjoin simplification and reordering for query optimization. authors: c\u00e9sar a. galindo-legaria , arnon rosenthal. venue: acm trans . database syst .. year: 1997", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: prasan roy , s. seshadri , s. sudarshan , siddhesh bhobe. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: david j. dewitt , navin kabra. venue: sigmod conference. year: 1998", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: prasan roy , s. seshadri , s. sudarshan , siddhesh bhobe. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: s. sudarshan , siddhesh bhobe , s. seshadri , prasan roy. venue: sigmod conference. year: 2000", "productB": "title: efficient and extensible algorithms for multi query optimization. authors: prasan roy , s. seshadri , s. sudarshan , siddhesh bhobe. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: on applying hash filters to improving the execution of multi-join queries. authors: philip s. yu , ming-syan chen , hui-i hsiao. venue: vldb j.. year: 1997", "productB": "title: parallel evaluation of multi-join queries. authors: annita n. wilschut , jan flokstra , peter m. g. apers. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: temporal slicing in the evaluation of xml queries. authors: richard t. snodgrass , dengfeng gao. venue: vldb. year: 2003", "productB": "title: parallel evaluation of multi-join queries. authors: annita n. wilschut , jan flokstra , peter m. g. apers. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: vldb. year: 1996", "productB": "title: locally adaptive dimensionality reduction for indexing large time series databases. authors: kaushik chakrabarti , eamonn keogh , sharad mehrotra , michael pazzani. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: vldb. year: 1996", "productB": "title: database indexing for large dna and protein sequence collections. authors: ela hunt , malcolm p. atkinson , robert w. irving. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: online aggregation. authors: helen j. wang , peter j. haas , joseph m. hellerstein. venue: sigmod conference. year: 1997", "productB": "title: eager aggregation and lazy aggregation. authors: weipeng p. yan , per - Å ke larson. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: takahiko shintani , masaru kitsuregawa. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: edward omiecinski , shamkant b. navathe , ashok savasere. venue: vldb. year: 1995", "productB": "title: parallel mining algorithms for generalized association rules with classification hierarchy. authors: takahiko shintani , masaru kitsuregawa. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: sonar : system for optimized numeric association rules. authors: takeshi fukuda , yasuhiko morimoto , shinichi morishita , takeshi tokuyama. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1995", "productB": "title: sonar : system for optimized numeric association rules. authors: takeshi fukuda , yasuhiko morimoto , shinichi morishita , takeshi tokuyama. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: a new sql-like operator for mining association rules. authors: rosa meo , giuseppe psaila , stefano ceri. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: data mining with optimized two-dimensional association rules. authors: takeshi tokuyama , yasuhiko morimoto , shinichi morishita , takeshi fukuda. venue: acm trans . database syst .. year: 2001", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: algorithms for mining association rules for binary segmentations of huge categorical databases. authors: kunikazu yoda , hirofumi matsuzawa , takeshi tokuyama , yasuhiko morimoto , takeshi fukuda. venue: vldb. year: 1998", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: maintaining data privacy in association rule mining. authors: shariq rizvi , jayant r. haritsa. venue: vldb. year: 2002", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: scalable parallel data mining for association rules. authors: eui-hong han , vipin kumar , george karypis. venue: sigmod conference. year: 1997", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1995", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: mining quantitative association rules in large relational tables. authors: ramakrishnan srikant , rakesh agrawal. venue: sigmod conference. year: 1996", "productB": "title: scalable parallel data mining for association rules. authors: eui-hong han , george karypis , vipin kumar. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: counting , enumerating , and sampling of execution plans in a cost-based query optimizer. authors: c\u00e9sar a. galindo-legaria , florian waas. venue: sigmod conference. year: 2000", "productB": "title: counting , enumerating , and sampling of execution plans in a cost-based query optimizer. authors: florian waas , c é sar galindo-legaria. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: algorithms for materialized view design in data warehousing environment. authors: kamalakar karlapalem , jian yang , qing li. venue: vldb. year: 1997", "productB": "title: algorithms for deferred view maintenance. authors: latha s. colby , timothy griffin , leonid libkin , inderpal singh mumick , howard trickey. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: efficient user-adaptable similarity search in large multimedia databases. authors: thomas seidl , hans-peter kriegel. venue: vldb. year: 1997", "productB": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: sigmod conference. year: 1999", "productB": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: proximity search in databases. authors: narayanan shivakumar , hector garcia-molina , roy goldman , suresh venkatasubramanian. venue: vldb. year: 1998", "productB": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: efficient exploration of large scientific databases. authors: gustavo alonso , etzard stolte. venue: vldb. year: 2002", "productB": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: generating efficient plans for queries using views. authors: chen li , jeffrey d. ullman , foto n. afrati. venue: sigmod conference. year: 2001", "productB": "title: using quantitative information for efficient association rule generation. authors: b. p ô ssas , m. carvalho , r. resende , w. meita , jr.. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: edward omiecinski , shamkant b. navathe , ashok savasere. venue: vldb. year: 1995", "productB": "title: using quantitative information for efficient association rule generation. authors: b. p ô ssas , m. carvalho , r. resende , w. meita , jr.. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: multiview access protocols for large-scale replication. authors: weimin du , xiangning liu , abdelsalam helal. venue: acm trans . database syst .. year: 1998", "productB": "title: multiview access protocols for large-scale replication. authors: xiangning liu , abdelsalam helal , weimin du. venue: acm transactions on database systems ( tods ). year: 1998", "same": true} +{"productA": "title: on the issue of valid time ( s ) in temporal databases. authors: themis panayiotopoulos , efstathios v. ioannidis , constantine d. spyropoulos , stavros kokkotos. venue: sigmod record. year: 1995", "productB": "title: on the issue of valid time ( s ) in temporal databases. authors: stavros kokkotos , efstathios v. ioannidis , themis panayiotopoulos , constantine d. spyropoulos. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: on the issue of valid time ( s ) in temporal databases. authors: themis panayiotopoulos , efstathios v. ioannidis , constantine d. spyropoulos , stavros kokkotos. venue: sigmod record. year: 1995", "productB": "title: coalescing in temporal databases. authors: michael h. b ö hlen , richard thomas snodgrass , michael d. soo. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: distance browsing in spatial databases. authors: hanan samet , g\u00edsli r. hjaltason. venue: acm trans . database syst .. year: 1999", "productB": "title: coalescing in temporal databases. authors: michael h. b ö hlen , richard thomas snodgrass , michael d. soo. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: querying atsql databases with temporal logic. authors: jan chomicki , david toman , michael h. b\u00f6hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: coalescing in temporal databases. authors: michael h. b ö hlen , richard thomas snodgrass , michael d. soo. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: integrating temporal , real-time , and active databases. authors: john a. stankovic , krithi ramamritham , ming xiong , rajendran m. sivasankaran , donald f. towsley. venue: sigmod record. year: 1996", "productB": "title: coalescing in temporal databases. authors: michael h. b ö hlen , richard thomas snodgrass , michael d. soo. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: database research at arizona state university. authors: susan d. urban , suzanne w. dietrich , forouzan golshani. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: database research at the university of oklahoma. authors: sirirut vanichayobon , leonard brown , ravi a. dirckze , sylvain guinepain , carlos s\u00e1nchez , le gruenwald , brian summers. venue: sigmod record. year: 1999", "productB": "title: database research at arizona state university. authors: susan d. urban , suzanne w. dietrich , forouzan golshani. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: the database research group at eth zurich. authors: hans-j\u00f6rg schek , moira c. norrie , gerhard weikum , stephen blott. venue: sigmod record. year: 1994", "productB": "title: database research at arizona state university. authors: susan d. urban , suzanne w. dietrich , forouzan golshani. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: sigmod record. year: 2003", "productB": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: research in information managment at dublin city university. authors: alan f. smeaton , mark roantree. venue: sigmod record. year: 2002", "productB": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: the microsoft database research group. authors: david lomet , roger barga , surajit chaudhuri , paul larson , vivek narasayya. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: predator : a resource for database research. authors: praveen seshadri. venue: sigmod record. year: 1998", "productB": "title: the microsoft database research group. authors: david lomet , roger barga , surajit chaudhuri , paul larson , vivek narasayya. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the microsoft database research group. authors: roger s. barga , david b. lomet , per-\u00e5ke larson , surajit chaudhuri , vivek r. narasayya. venue: sigmod record. year: 1998", "productB": "title: the microsoft database research group. authors: david lomet , roger barga , surajit chaudhuri , paul larson , vivek narasayya. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: the microsoft repository. authors: david shutt , jason zander , brian harry , paul sanders , philip a. bernstein. venue: vldb. year: 1997", "productB": "title: the microsoft database research group. authors: david lomet , roger barga , surajit chaudhuri , paul larson , vivek narasayya. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: the structured information manager : a database system for sgml documents. authors: ron sacks-davis. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the database and information system research group at the university of ulm. authors: peter dadam , wolfgang klas. venue: sigmod record. year: 1997", "productB": "title: information systems research at rwth aachen. authors: matthias jarke. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: declarative updates of relational databases. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: declarative specification of web sites with s. authors: mary fern á ndez , daniela florescu , alon levy , dan suciu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: declarative specification of web sites with strudel. authors: alon y. levy , dan suciu , daniela florescu , mary f. fernandez. venue: vldb j.. year: 2000", "productB": "title: declarative specification of web sites with s. authors: mary fern á ndez , daniela florescu , alon levy , dan suciu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": true} +{"productA": "title: declarative updates of relational databases. authors: weidong chen. venue: acm trans . database syst .. year: 1995", "productB": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: automatic discovery of language models for text databases. authors: aiqun du , james p. callan , margaret e. connell. venue: sigmod conference. year: 1999", "productB": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: a general techniques for querying xml documents using a relational database system. authors: stratis viglas , eugene j. shekita , rajasekar krishnamurthy , jayavel shanmugasundaram , jeffrey f. naughton , jerry kiernan , igor tatarinov. venue: sigmod record. year: 2001", "productB": "title: formal query languages for secure relational databases. authors: marianne winslett , kenneth smith , xiaolei qian. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: generic schema matching with cupid. authors: philip a. bernstein , erhard rahm , jayant madhavan. venue: vldb. year: 2001", "productB": "title: on schema matching with opaque column names and data values. authors: jaewoo kang , jeffrey f. naughton. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: database research at nthu and itri. authors: arbee l. p. chen. venue: sigmod record. year: 1994", "productB": "title: database research at ut arlington. authors: sharma chakravarthy , alp aslandogan , ramez elmasri , leonidas fegaras , junghwan oh. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: database research at the indian institute of technology , bombay. authors: s. seshadri , nandlal l. sarda , d. b. phatak , s. sudarshan. venue: sigmod record. year: 1996", "productB": "title: database research at ut arlington. authors: sharma chakravarthy , alp aslandogan , ramez elmasri , leonidas fegaras , junghwan oh. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the database research group at eth zurich. authors: hans-j\u00f6rg schek , moira c. norrie , gerhard weikum , stephen blott. venue: sigmod record. year: 1994", "productB": "title: database research at ut arlington. authors: sharma chakravarthy , alp aslandogan , ramez elmasri , leonidas fegaras , junghwan oh. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: a response to r. camps ' article `` domains , relations and religious wars ''. authors: c. j. date. venue: sigmod record. year: 1996", "productB": "title: a response to r. camps ' article domains , relations and religious wars. authors: c. j. date. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: in reply to domains , relations and religious wars. authors: hugh darwen. venue: sigmod record. year: 1996", "productB": "title: a response to r. camps ' article domains , relations and religious wars. authors: c. j. date. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: domains , relations and religious wars. authors: rafael camps. venue: sigmod record. year: 1996", "productB": "title: a response to r. camps ' article domains , relations and religious wars. authors: c. j. date. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a response to r. camps ' article `` domains , relations and religious wars ''. authors: c. j. date. venue: sigmod record. year: 1996", "productB": "title: in reply to domains , relations and religious wars. authors: hugh darwen. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: storage estimation for multidimensional aggregates in the presence of hierarchies. authors: jeffrey f. naughton , amit shukla , karthikeyan ramasamy , prasad deshpande. venue: vldb. year: 1996", "productB": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: yihong zhao , prasad m. deshpande , jeffrey f. naughton. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: jeffrey f. naughton , yihong zhao , prasad deshpande. venue: sigmod conference. year: 1997", "productB": "title: an array-based algorithm for simultaneous multidimensional aggregates. authors: yihong zhao , prasad m. deshpande , jeffrey f. naughton. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: innovation in database management : computer science vs. engineering. authors: kenneth r. jacobs. venue: vldb. year: 1997", "productB": "title: innovation in database management : computer science vs. engineering. authors: kenneth r. jacobs. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: a framework for supporting data integration using the materialized and virtual approaches. authors: gang zhou , richard hull. venue: sigmod conference. year: 1996", "productB": "title: a framework for supporting data integration using the materialized and virtual approaches. authors: richard hull , gang zhou. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: extending practical pre-aggregation in on-line analytical processing. authors: torben bach pedersen , curtis e. dyreson , christian s. jensen. venue: vldb. year: 1999", "productB": "title: extending practical pre-aggregation in on-line analytical processing. authors: torben bach pedersen , christian s. jensen , curtis e. dyreson. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: a brief survey of web data extraction tools. authors: berthier a. ribeiro-neto , alberto h. f. laender , altigran soares da silva , juliana s. teixeira. venue: sigmod record. year: 2002", "productB": "title: a brief survey of web data extraction tools. authors: alberto h. f. laender , berthier a. ribeiro-neto , altigran s. da silva , juliana s. teixeira. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: stream processing of xpath queries with predicates. authors: ashish kumar gupta , dan suciu. venue: sigmod conference. year: 2003", "productB": "title: stream processing of xpath queries with predicates. authors: ashish kumar gupta , dan suciu. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: filtering with approximate predicates. authors: hector garcia-molina , narayanan shivakumar , chandra chekuri. venue: vldb. year: 1998", "productB": "title: stream processing of xpath queries with predicates. authors: ashish kumar gupta , dan suciu. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: editorial. authors: richard t. snodgrass. venue: acm trans . database syst .. year: 2001", "productB": "title: editorial : charter and scope. authors: won kim. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: editorial. authors: richard t. snodgrass. venue: acm trans . database syst .. year: 2001", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1997", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: editor 's notes. authors: ling liu. venue: sigmod record. year: 2002", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: guest editorial. authors: yannis e. ioannidis , raghu ramakrishnan , philip a. bernstein. venue: vldb j.. year: 2003", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: editor 's notes. authors: jennifer widom. venue: sigmod record. year: 1996", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: a tsql2 tutorial. authors: james clifford , ramez elmasri , michael d. soo , wolfgang k\u00e4fer , nick kline , arie segev , suryanarayana m. sripada , fabio grandi , john f. roddick , richard t. snodgrass , christian s. jensen , nikos a. lorentzos , ilsoo ahn , gad ariav , don s. batory , t. y. cliff leung , curtis e. dyreson , krishna g. kulkarni. venue: sigmod record. year: 1994", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: editor 's notes. authors: michael j. franklin. venue: sigmod record. year: 1999", "productB": "title: editorial. authors: peter apers , stefano ceri , richard snodgrass. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: temporal conditions and integrity constraints in active database systems. authors: ouri wolfson , a. prasad sistla. venue: sigmod conference. year: 1995", "productB": "title: further improvements on integrity constraint checking for stratifiable deductive databases. authors: sin yeung lee , tok wang ling. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: further improvements on integrity constraint checking for stratifiable deductive databases. authors: sin yeung lee , tok wang ling. venue: vldb. year: 1996", "productB": "title: further improvements on integrity constraint checking for stratifiable deductive databases. authors: sin yeung lee , tok wang ling. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: distributed deviation detection in sensor networks. authors: dimitrios gunopulos , themistoklis palpanas , dimitris papadopoulos , vana kalogeraki. venue: sigmod record. year: 2003", "productB": "title: distributed deviation detection in sensor networks. authors: themistoklis palpanas , dimitris papadopoulos , vana kalogeraki , dimitrios gunopulos. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: automatic discovery of language models for text databases. authors: aiqun du , james p. callan , margaret e. connell. venue: sigmod conference. year: 1999", "productB": "title: text databases : a survey of text models and systems. authors: arjan loeffen. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: automatic discovery of language models for text databases. authors: aiqun du , james p. callan , margaret e. connell. venue: sigmod conference. year: 1999", "productB": "title: automatic discovery of language models for text databases. authors: jamie callan , margaret connell , aiqun du. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: models and languages for describing and discovering e-services. authors: ming-chien shan , fabio casati. venue: sigmod conference. year: 2001", "productB": "title: automatic discovery of language models for text databases. authors: jamie callan , margaret connell , aiqun du. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: efficient ir-style keyword search over relational databases. authors: yannis papakonstantinou , luis gravano , vagelis hristidis. venue: vldb. year: 2003", "productB": "title: xrank : ranked keyword search over xml documents. authors: lin guo , feng shao , chavdar botev , jayavel shanmugasundaram. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a new approach to developing and implementing eager database replication protocols. authors: gustavo alonso , bettina kemme. venue: acm trans . database syst .. year: 2000", "productB": "title: a new approach to developing and implementing eager database replication protocols. authors: bettina kemme , gustavo alonso. venue: acm transactions on database systems ( tods ). year: 2000", "same": true} +{"productA": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: charu c. aggarwal. venue: sigmod record. year: 2001", "productB": "title: distance-based indexing for high-dimensional metric spaces. authors: tolga bozkaya , meral ozsoyoglu. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: a cost model for query processing in high dimensional data spaces. authors: christian b\u00f6hm. venue: acm trans . database syst .. year: 2000", "productB": "title: distance-based indexing for high-dimensional metric spaces. authors: tolga bozkaya , meral ozsoyoglu. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: finding intensional knowledge of distance-based outliers. authors: raymond t. ng , edwin m. knorr. venue: vldb. year: 1999", "productB": "title: distance-based indexing for high-dimensional metric spaces. authors: tolga bozkaya , meral ozsoyoglu. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: charu c. aggarwal. venue: sigmod record. year: 2001", "productB": "title: distance-based outliers : algorithms and applications. authors: edwin m. knorr , raymond t. ng , vladimir tucakov. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: re-designing distance functions and distance-based applications for high dimensional data. authors: charu c. aggarwal. venue: sigmod record. year: 2001", "productB": "title: outlier detection for high dimensional data. authors: charu c. aggarwal , philip s. yu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: automatic subspace clustering of high dimensional data for data mining applications. authors: johannes gehrke , rakesh agrawal , dimitrios gunopulos , prabhakar raghavan. venue: sigmod conference. year: 1998", "productB": "title: outlier detection for high dimensional data. authors: charu c. aggarwal , philip s. yu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: issues in network management in the next millennium. authors: michael l. brodie , surajit chaudhuri. venue: vldb. year: 1999", "productB": "title: issues in data stream management. authors: lukasz golab , m. tamer Ö zsu. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: the naos system. authors: christine collet , thierry coupaye. venue: sigmod conference. year: 1995", "productB": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: sigmod conference. year: 2001", "productB": "title: the prototype of the dare system. authors: tiziana catarci , giuseppe santucci. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: curio : a novel solution for efficient storage and indexing in data warehouses. authors: helen m. thomas , krithi ramamritham , anindya datta. venue: vldb. year: 1999", "productB": "title: a novel index supporting high volume data warehouse insertion. authors: chris jermaine , anindya datta , edward omiecinski. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: a novel index supporting high volume data warehouse insertion. authors: anindya datta , chris jermaine , edward omiecinski. venue: vldb. year: 1999", "productB": "title: a novel index supporting high volume data warehouse insertion. authors: chris jermaine , anindya datta , edward omiecinski. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: dna-miner : a system prototype for mining dna sequences. authors: jiawei han , liangyou chen , jian pei , ying lu , yaqin liao , hasan m. jamil. venue: sigmod conference. year: 2001", "productB": "title: geominer : a system prototype for spatial data mining. authors: jaiwei han , krzysztof koperski , nebojsa stefanovic. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: jenny chiang , ze-nian li , osmar r. za\u00efane , sonny h. chee , jiawei han. venue: sigmod conference. year: 1998", "productB": "title: geominer : a system prototype for spatial data mining. authors: jaiwei han , krzysztof koperski , nebojsa stefanovic. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: the database group at university of hagen ( fernuniversitaet ). authors: silke mittrach , gunter schlageter , thomas berkel , andreas scherer , eberhard heuel , wolfgang wilkes. venue: sigmod record. year: 1995", "productB": "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: acm sigmod record. year: 2002", "same": false} +{"productA": "title: database research at the indian institute of technology , bombay. authors: s. seshadri , nandlal l. sarda , d. b. phatak , s. sudarshan. venue: sigmod record. year: 1996", "productB": "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: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reconciling schemas of disparate data sources : a machine-learning approach. authors: anhai doan , pedro domingos , alon y. halevy. venue: sigmod conference. year: 2001", "productB": "title: reconciling schemas of disparate data sources : a machine-learning approach. authors: anhai doan , pedro domingos , alon y. halevy. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: a hypertext query language for images. authors: li yang. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: a query language for a web-site management system. authors: dan suciu , daniela florescu , alon y. levy , mary f. fernandez. venue: sigmod record. year: 1997", "productB": "title: a hypertext query language for images. authors: li yang. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: safe query languages for constraint databases. authors: peter z. revesz. venue: acm trans . database syst .. year: 1998", "productB": "title: introduction to constraint databases. authors: bart kuijpers. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: an introduction to deductive database languages and systems. authors: kotagiri ramamohanarao , james harland. venue: vldb j.. year: 1994", "productB": "title: introduction to constraint databases. authors: bart kuijpers. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: the semantic web : semantics for data on the web. authors: vipul kashyap , stefan decker. venue: vldb. year: 2003", "productB": "title: special section on semantic web and data management. authors: robert meersman , amit sheth. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: evolution and change in data management - issues and directions. authors: kathleen hornsby , heidi gregersen , lex wedemeijer , tomi m\u00e4nnist\u00f6 , john f. roddick , florida estrella , federica mandreoli , marlon dumas , lina al-jadir , enric mayol , leopoldo e. bertossi , jens lufter. venue: sigmod record. year: 2000", "productB": "title: special section on semantic web and data management. authors: robert meersman , amit sheth. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: semantic web workshop : models , architectures and management. authors: vassilis christophides , dimitris plexousakis , panos constantopoulos. venue: sigmod record. year: 2001", "productB": "title: special section on semantic web and data management. authors: robert meersman , amit sheth. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: from the guest editors - special section on data management issues in mobile computing. authors: margaret h. dunham , abdelsalam helal. venue: sigmod record. year: 1995", "productB": "title: special section on semantic web and data management. authors: robert meersman , amit sheth. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: the semantic web : semantics for data on the web. authors: vipul kashyap , stefan decker. venue: vldb. year: 2003", "productB": "title: agents , trust , and information access on the semantic web. authors: tim finin , anupam joshi. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: learning to match ontologies on the semantic web. authors: jayant madhavan , robin dhamankar , alon y. halevy , pedro domingos , anhai doan. venue: vldb j.. year: 2003", "productB": "title: agents , trust , and information access on the semantic web. authors: tim finin , anupam joshi. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: an efficient algorithm for mining association rules in large databases. authors: edward omiecinski , shamkant b. navathe , ashok savasere. venue: vldb. year: 1995", "productB": "title: cmvf : a novel dimension reduction scheme for efficient indexing in a large image database. authors: jialie shen , anne h. h. ngu , john shepherd , du q. huynh , quan z. sheng. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: implementing lazy database updates for an object database system. authors: fabrizio ferrandina , thorsten meyer , roberto zicari. venue: vldb. year: 1994", "productB": "title: semantics for update rule programs and implementation in a relational database management system. authors: louiqa raschid , jorge lobo. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: lore : a database management system for semistructured data. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. venue: sigmod record. year: 1997", "productB": "title: semantics for update rule programs and implementation in a relational database management system. authors: louiqa raschid , jorge lobo. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: efficient processing of joins on set-valued attributes. authors: nikos mamoulis. venue: sigmod conference. year: 2003", "productB": "title: efficient processing of joins on set-valued attributes. authors: nikos mamoulis. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: fast-start : quick fault recovery in oracle. authors: ashok joshi , ron weiss , amit ganesh , tirthankar lahiri. venue: sigmod conference. year: 2001", "productB": "title: fast-start : quick fault recovery in oracle. authors: tirthankar lahiri , amit ganesh , ron weiss , ashok joshi. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: combi-operator : database support for data mining applications. authors: wolfgang lehner , alexander hinneburg , dirk habich. venue: vldb. year: 2003", "productB": "title: infosphere project : system support for information flow applications. authors: calton pu , karsten schwan , jonathan walpole. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: size separation spatial join. authors: kenneth c. sevcik , nick koudas. venue: sigmod conference. year: 1997", "productB": "title: partition based spatial-merge join. authors: jignesh m. patel , david j. dewitt. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: size separation spatial join. authors: kenneth c. sevcik , nick koudas. venue: sigmod conference. year: 1997", "productB": "title: size separation spatial join. authors: nick koudas , kenneth c. sevcik. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: scalable sweeping-based spatial join. authors: lars arge , jeffrey scott vitter , torsten suel , sridhar ramaswamy , octavian procopiuc. venue: vldb. year: 1998", "productB": "title: size separation spatial join. authors: nick koudas , kenneth c. sevcik. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: iterative spatial join. authors: hanan samet , edwin h. jacox. venue: acm trans . database syst .. year: 2003", "productB": "title: size separation spatial join. authors: nick koudas , kenneth c. sevcik. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: exploiting constraint-like data characterizations in query optimization. authors: parke godfrey , jarek gryz , calisto zuzarte. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: exploiting constraint-like data characterizations in query optimization. authors: jarek gryz , calisto zuzarte , parke godfrey. venue: sigmod conference. year: 2001", "productB": "title: exploiting constraint-like data characterizations in query optimization. authors: parke godfrey , jarek gryz , calisto zuzarte. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: open issues in parallel query optimization. authors: waqar hasan , patrick valduriez , daniela florescu. venue: sigmod record. year: 1996", "productB": "title: exploiting constraint-like data characterizations in query optimization. authors: parke godfrey , jarek gryz , calisto zuzarte. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: bringing order to query optimization. authors: giedrius slivinskas , richard t. snodgrass , christian s. jensen. venue: sigmod record. year: 2002", "productB": "title: exploiting statistics on query expressions for optimization. authors: nicolas bruno , surajit chaudhuri. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: parametric query optimization. authors: raymond t. ng , timos k. sellis , yannis e. ioannidis , kyuseok shim. venue: vldb j.. year: 1997", "productB": "title: exploiting statistics on query expressions for optimization. authors: nicolas bruno , surajit chaudhuri. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: including group-by in query optimization. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 1994", "productB": "title: exploiting statistics on query expressions for optimization. authors: nicolas bruno , surajit chaudhuri. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: generalized search trees for database systems. authors: joseph m. hellerstein , jeffrey f. naughton , avi pfeffer. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: visionary : a next generation visualization system for databases. authors: michael stonebraker. venue: sigmod conference. year: 2003", "productB": "title: generalized search trees for database systems. authors: joseph m. hellerstein , jeffrey f. naughton , avi pfeffer. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: advances in real-time database systems research. authors: azer bestavros. venue: sigmod record. year: 1996", "productB": "title: generalized search trees for database systems. authors: joseph m. hellerstein , jeffrey f. naughton , avi pfeffer. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: s3 : similarity search in cad database systems. authors: hans-peter kriegel , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: efficient similarity search for market basket data. authors: alexandros nanopoulos , yannis manolopoulos. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: online query processing. authors: peter j. haas , joseph m. hellerstein. venue: sigmod conference. year: 2001", "productB": "title: toward learning based web query processing. authors: yanlei diao , hongjun lu , songting chen , zengping tian. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: avoiding ordering and grouping in query processing. authors: xiaoyu wang , mitch cherniack. venue: vldb. year: 2003", "productB": "title: toward learning based web query processing. authors: yanlei diao , hongjun lu , songting chen , zengping tian. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: online query processing. authors: peter j. haas , joseph m. hellerstein. venue: sigmod conference. year: 2001", "productB": "title: online dynamic reordering for interactive data processing. authors: vijayshankar raman , bhaskaran raman , joseph m. hellerstein. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: xmdvtool : visual interactive data exploration and trend discovery of high-dimensional data sets. authors: elke a. rundensteiner , punit r. doshi , jing yang , matthew o. ward. venue: sigmod conference. year: 2002", "productB": "title: xmdvtool : visual interactive data exploration and trend discovery of high-dimensional data sets. authors: elke a. rundensteiner , matthew o. ward , jing yang , punit r. doshi. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: database research at columbia university. authors: shih-fu chang , luis gravano , gail e. kaiser , kenneth a. ross , salvatore j. stolfo. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: data and knowledge base research at hong kong university of science and technology. authors: babak hamidzadeh , kamalakar karlapalem , qing li , chung-dak shum , dik lun lee , frederick h. lochovsky , beat w\u00fcthrich , alex chia-yee kean , pamela drew. venue: sigmod record. year: 1995", "productB": "title: database research at columbia university. authors: shih-fu chang , luis gravano , gail e. kaiser , kenneth a. ross , salvatore j. stolfo. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the database research group at eth zurich. authors: hans-j\u00f6rg schek , moira c. norrie , gerhard weikum , stephen blott. venue: sigmod record. year: 1994", "productB": "title: database research at columbia university. authors: shih-fu chang , luis gravano , gail e. kaiser , kenneth a. ross , salvatore j. stolfo. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: research in database engineering at the university of namur. authors: jean-luc hainaut. venue: sigmod record. year: 2003", "productB": "title: database research at columbia university. authors: shih-fu chang , luis gravano , gail e. kaiser , kenneth a. ross , salvatore j. stolfo. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: information systems research at george mason university. authors: sushil jajodia , daniel barbar á , alex brodsky , larry kerschberg , ami motro , edgar sibley , x. sean wang. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: database research at arizona state university. authors: suzanne w. dietrich , forouzan golshani , susan darling urban. venue: sigmod record. year: 1996", "productB": "title: database research at nthu and itri. authors: arbee l. p. chen. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: database research at the university of illinois at urbana-champaign. authors: chengxiang zhai , marianne winslett , yuanyuan zhou , kevin chen-chuan chang , jiawei han , anhai doan. venue: sigmod record. year: 2002", "productB": "title: database research at nthu and itri. authors: arbee l. p. chen. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: hierarchical subspace sampling : a unified framework for high dimensional data reduction , selectivity estimation and nearest neighbor search. authors: charu c. aggarwal. venue: sigmod conference. year: 2002", "productB": "title: multi-dimensional substring selectivity estimation. authors: h. v. jagadish , olga kapitskaia , raymond t. ng , divesh srivastava. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: the aqua approximate query answering system. authors: sridhar ramaswamy , swarup acharya , phillip b. gibbons , viswanath poosala. venue: sigmod conference. year: 1999", "productB": "title: aqua : a fast decision support systems using approximate query answers. authors: swarup acharya , phillip b. gibbons , viswanath poosala. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: the aqua approximate query answering system. authors: sridhar ramaswamy , swarup acharya , phillip b. gibbons , viswanath poosala. venue: sigmod conference. year: 1999", "productB": "title: new sampling-based summary statistics for improving approximate query answers. authors: phillip b. gibbons , yossi matias. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: performance issues in incremental warehouse maintenance. authors: hector garcia-molina , wilburt labio , yingwei cui , jennifer widom , jun yang. venue: vldb. year: 2000", "productB": "title: view maintenance in a warehousing environment. authors: yue zhuge , h é ctor garc í a-molina , joachim hammer , jennifer widom. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: view maintenance in a warehousing environment. authors: jennifer widom , hector garcia-molina , yue zhuge , joachim hammer. venue: sigmod conference. year: 1995", "productB": "title: view maintenance in a warehousing environment. authors: yue zhuge , h é ctor garc í a-molina , joachim hammer , jennifer widom. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: on-line warehouse view maintenance. authors: jennifer widom , dallan quass. venue: sigmod conference. year: 1997", "productB": "title: view maintenance in a warehousing environment. authors: yue zhuge , h é ctor garc í a-molina , joachim hammer , jennifer widom. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: performance issues in incremental warehouse maintenance. authors: hector garcia-molina , wilburt labio , yingwei cui , jennifer widom , jun yang. venue: vldb. year: 2000", "productB": "title: fast incremental maintenance of approximate histograms. authors: phillip b. gibbons , yossi matias , viswanath poosala. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: fast incremental maintenance of approximate histograms. authors: viswanath poosala , phillip b. gibbons , yossi matias. venue: acm trans . database syst .. year: 2002", "productB": "title: fast incremental maintenance of approximate histograms. authors: phillip b. gibbons , yossi matias , viswanath poosala. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: efficiently instantiating view-objects from remote relational databases. authors: gio wiederhold , byung suk lee. venue: vldb j.. year: 1994", "productB": "title: efficiently publishing relational data as xml documents. authors: jayavel shanmugasundaram , eugene shekita , rimon barr , michael carey , bruce lindsay , hamid pirahesh , berthold reinwald. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: michael j. carey , subbu n. subramanian , eugene j. shekita , jerry kiernan , jayavel shanmugasundaram. venue: vldb. year: 2000", "productB": "title: efficiently publishing relational data as xml documents. authors: jayavel shanmugasundaram , eugene shekita , rimon barr , michael carey , bruce lindsay , hamid pirahesh , berthold reinwald. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: efficient structural joins on indexed xml documents. authors: zografoula vagena , shu-yao chien , vassilis j. tsotras , carlo zaniolo , donghui zhang. venue: vldb. year: 2002", "productB": "title: efficiently publishing relational data as xml documents. authors: jayavel shanmugasundaram , eugene shekita , rimon barr , michael carey , bruce lindsay , hamid pirahesh , berthold reinwald. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: electronic commerce : tutorial. authors: nabil r. adam , yelena yesha. venue: sigmod conference. year: 1998", "productB": "title: electronic commerce : tutorial. authors: nabil r. adam , yelena yesha. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: database technologies for electronic commerce. authors: yirong xu , ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 2002", "productB": "title: electronic commerce : tutorial. authors: nabil r. adam , yelena yesha. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: electronic commerce : tutorial. authors: nabil r. adam , yelena yesha. venue: sigmod conference. year: 1998", "productB": "title: xml and electronic commerce : enabling the network economy. authors: bart meltzer , robert glushko. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: s. sudarshan , charu c. aggarwal , mihalis yannakakis , alfons kemper , kenneth a. ross , sunita sarawagi. venue: sigmod record. year: 2000", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: james r. hamilton , limsoon wong , kenneth a. ross , laks v. s. lakshmanan. venue: sigmod record. year: 2001", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: influential papers. authors: ken ross. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: maintaining data privacy in association rule mining. authors: shariq rizvi , jayant r. haritsa. venue: vldb. year: 2002", "productB": "title: data mining with optimized two-dimensional association rules. authors: takeshi fukuda , yasuhiko morimoto , shimichi morishita , takeshi tokuyama. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: data mining with optimized two-dimensional association rules. authors: takeshi fukuda , yasuhiko morimoto , shimichi morishita , takeshi tokuyama. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: constructing efficient decision trees by using optimized numeric association rules. authors: takeshi fukuda , yasuhiko morimoto , takeshi tokuyama , shinichi morishita. venue: vldb. year: 1996", "productB": "title: data mining with optimized two-dimensional association rules. authors: takeshi fukuda , yasuhiko morimoto , shimichi morishita , takeshi tokuyama. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: communication efficient distributed mining of association rules. authors: ran wolff , assaf schuster. venue: sigmod conference. year: 2001", "productB": "title: data mining with optimized two-dimensional association rules. authors: takeshi fukuda , yasuhiko morimoto , shimichi morishita , takeshi tokuyama. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: managing uncertainty in sensor database. authors: sunil prabhakar , reynold cheng. venue: sigmod record. year: 2003", "productB": "title: managing web data. authors: dan suciu. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: operating system extensions for the teradata parallel vldb. authors: sorana rabinovici , john catozzi. venue: vldb. year: 2001", "productB": "title: operating system extensions for the teradata parallel vldb. authors: john catozzi , sorana rabinovici. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: bulk loading into an oodb : a performance study. authors: jeffrey f. naughton , janet l. wiener. venue: vldb. year: 1994", "productB": "title: bulk loading into an oodb : a performance study. authors: janet l. wiener , jeffrey f. naughton. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: xml data management go native or spruce up relational systems ? ( panel abstract ). authors: per-\u00e5ke larson. venue: sigmod conference. year: 2001", "productB": "title: xml data management ( panel session ) : go native or spruce up relational systems ?. authors: per - Å ke larson , dana florescu , goetz graefe , guido moerkotte , hamid pirahesh , harald sch ö ning. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: carnot and infosleuth : database technology and the world wide web. authors: d. woelk , b. bohrer , n. jacobs , k. ong , c. tomlinson , c. unnikrishnan. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: accessing relational databases from the world wide web. authors: tam nguyen , v. srinivasan. venue: sigmod conference. year: 1996", "productB": "title: carnot and infosleuth : database technology and the world wide web. authors: d. woelk , b. bohrer , n. jacobs , k. ong , c. tomlinson , c. unnikrishnan. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: wsq/dsq : a practical approach for combined querying of databases and the web. authors: roy goldman , jennifer widom. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: guest editorial : databases and the web. authors: alberto o. mendelzon , paolo atzeni. venue: vldb j.. year: 2000", "productB": "title: guest editorial. authors: amr el abbadi , gunter schlageter , kyu-young whang. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: guest editorial. authors: yannis e. ioannidis , raghu ramakrishnan , philip a. bernstein. venue: vldb j.. year: 2003", "productB": "title: guest editorial. authors: amr el abbadi , gunter schlageter , kyu-young whang. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: access path support for referential integrity in sql2. authors: joachim reinert , theo h\u00e4rder. venue: vldb j.. year: 1996", "productB": "title: access path support for referential integrity in sql2. authors: theo h ä rder , joachim reinert. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": true} +{"productA": "title: edgar f. codd : a tribute and personal memoir. authors: c. j. date. venue: sigmod record. year: 2003", "productB": "title: edgar f. codd : a tribute and personal memoir. authors: c. j. date. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: kyuseok shim , sridhar ramaswamy , rajeev rastogi. venue: sigmod conference. year: 2000", "productB": "title: efficient dynamic mining of constrained frequent sets. authors: laks v. s. lakshmanan , carson kai-sang leung , raymond t. ng. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: efficient algorithms for mining outliers from large data sets. authors: kyuseok shim , sridhar ramaswamy , rajeev rastogi. venue: sigmod conference. year: 2000", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: sudipto guha , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: vldb. year: 2001", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: sudipto guha , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: efficient algorithms for processing xpath queries. authors: reinhard pichler , georg gottlob , christoph koch. venue: vldb. year: 2002", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: sudipto guha , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: wavecluster : a wavelet based clustering approach for spatial data in very large databases. authors: surojit chatterjee , gholamhosein sheikholeslami , aidong zhang. venue: vldb j.. year: 2000", "productB": "title: cure : an efficient clustering algorithm for large databases. authors: sudipto guha , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: sigmod record. year: 1997", "productB": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , kerry taylor , dean kun. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: geo/environmental and medical data management in the rasdaman system. authors: norbert widmann , paula furtado , peter baumann , roland ritsch. venue: vldb. year: 1997", "productB": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , kerry taylor , dean kun. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: challenges for global information systems. authors: alon y. levy , divesh srivastava , abraham silberschatz , maria zemankova. venue: vldb. year: 1994", "productB": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , kerry taylor , dean kun. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: sigmod record. year: 1997", "productB": "title: environmental information systems. authors: oliver g ü nther. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: information rules. authors: dale a. stirling. venue: sigmod record. year: 2003", "productB": "title: environmental information systems. authors: oliver g ü nther. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: management of data and services in the environmental information system ( uis ) of baden-w\u00fcrttemberg. authors: wolf-fritz riekert , roland mayer-f\u00f6ll , gerlinde wiest. venue: sigmod record. year: 1997", "productB": "title: environmental information systems. authors: oliver g ü nther. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: sigmod record. year: 1997", "productB": "title: www-udk : a web-based environmental meta-information system. authors: ralf kramer , ralf nicholai , arne koschel , claudia rolker , peter lockemann , andree keitel , rudolf legat , konrad tirm. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: research issues in federated database systems : report of efdbs '97 workshop. authors: f\u00e8lix saltor , mark roantree , mark w. w. vermeer , wilhelm hasselbring , martin sch\u00f6nhoff , markus str\u00e4ssler , barry eaglestone , stefan conrad. venue: sigmod record. year: 1997", "productB": "title: research issues in active database systems : report from the closing panel at ride-ads '94. authors: jennifer widom. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: lore : a database management system for semistructured data. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. venue: sigmod record. year: 1997", "productB": "title: data management for earth system science. authors: james frew , jeff dozier. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: aurora : a data stream management system. authors: nesime tatbul , daniel j. abadi , c. erwin , anurag maskey , mitch cherniack , alex rasin , christian convey , a. singer , eduardo f. galvez , r. yan , ugur \u00e7etintemel , ying xing , stanley b. zdonik , michael stonebraker , donald carney , m. hatoun. venue: sigmod conference. year: 2003", "productB": "title: data management for earth system science. authors: james frew , jeff dozier. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: the network is the database : data management for highly distributed systems. authors: michael j. wynblatt , julio c. navas. venue: sigmod conference. year: 2001", "productB": "title: data management for earth system science. authors: james frew , jeff dozier. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: data staging for on-demand broadcast. authors: stanley b. zdonik , demet aksoy , michael j. franklin. venue: vldb. year: 2001", "productB": "title: balancing push and pull for data broadcast. authors: swarup acharya , michael franklin , stanley zdonik. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: balancing push and pull for data broadcast. authors: swarup acharya , stanley b. zdonik , michael j. franklin. venue: sigmod conference. year: 1997", "productB": "title: balancing push and pull for data broadcast. authors: swarup acharya , michael franklin , stanley zdonik. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: data staging for on-demand broadcast. authors: stanley b. zdonik , demet aksoy , michael j. franklin. venue: vldb. year: 2001", "productB": "title: data staging for on-demand broadcast. authors: demet aksoy , michael j. franklin , stanley b. zdonik. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: balancing push and pull for data broadcast. authors: swarup acharya , stanley b. zdonik , michael j. franklin. venue: sigmod conference. year: 1997", "productB": "title: data staging for on-demand broadcast. authors: demet aksoy , michael j. franklin , stanley b. zdonik. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: xmas : an extensible main-memory storage system for high-performance applications. authors: ki hong kim , yong sik kwon , sang kyun cha , jang ho park , byoung dae park , sangho lee. 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: international conference on management of data. year: 1999", "same": false} +{"productA": "title: xmas : an extensible main-memory storage system for high-performance applications. authors: ki hong kim , yong sik kwon , sang kyun cha , jang ho park , byoung dae park , sangho lee. venue: sigmod conference. year: 1998", "productB": "title: dali : a high performance main memory storage manager. authors: h. v. jagadish , daniel f. lieuwen , rajeev rastogi , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: data integration in the large : the challenge of reuse. authors: leonard j. seligman , arnon rosenthal. venue: vldb. year: 1994", "productB": "title: data modelling in the large. authors: martin bertram. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: distance-based indexing for high-dimensional metric spaces. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: sigmod conference. year: 1997", "productB": "title: spatial indexing of high-dimensional data based on relative approximation. authors: yasushi sakurai , masatoshi yoshikawa , shunsuke uemura , haruhiko kojima. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: indexing of now-relative spatio-bitemporal data. authors: simonas saltenis , christian s. jensen. venue: vldb j.. year: 2002", "productB": "title: spatial indexing of high-dimensional data based on relative approximation. authors: yasushi sakurai , masatoshi yoshikawa , shunsuke uemura , haruhiko kojima. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: daniel barbar\u00e1 , mark sullivan. venue: sigmod record. year: 1997", "productB": "title: spatial indexing of high-dimensional data based on relative approximation. authors: yasushi sakurai , masatoshi yoshikawa , shunsuke uemura , haruhiko kojima. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: distance-based indexing for high-dimensional metric spaces. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: sigmod conference. year: 1997", "productB": "title: a cost model for query processing in high dimensional data spaces. authors: christian b ö hm. venue: acm transactions on database systems ( tods ). year: 2000", "same": false} +{"productA": "title: finding generalized projected clusters in high dimensional spaces. authors: charu c. aggarwal , philip s. yu. venue: sigmod conference. year: 2000", "productB": "title: a cost model for query processing in high dimensional data spaces. authors: christian b ö hm. venue: acm transactions on database systems ( tods ). year: 2000", "same": false} +{"productA": "title: energy and rate based mac protocol for wireless sensor networks. authors: ramaraju kalidindi , vijay kumar , rajgopal kannan , s. sitharama iyengar. venue: sigmod record. year: 2003", "productB": "title: power efficient data gathering and aggregation in wireless sensor networks. authors: h ü seyin Ö zg ü r tan , ibrahim k ö rpeo ǧ lu. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: gte superpages : using ir techniques for searching complex objects. authors: steven d. whitehead , himanshu sinha , michael murphy. venue: vldb. year: 1997", "productB": "title: gte superpages : using ir techniques for searching complex objects. authors: steven d. whitehead , himanshu sinha , michael murphy. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: transactional client-server cache consistency : alternatives and performance. authors: michael j. franklin , michael j. carey , miron livny. venue: acm trans . database syst .. year: 1997", "productB": "title: enhancing external consistency in real-time transactions. authors: kwei-jay lin , ching-shan peng. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: transactional client-server cache consistency : alternatives and performance. authors: michael j. franklin , michael j. carey , miron livny. venue: acm trans . database syst .. year: 1997", "productB": "title: transactional client-server cache consistency : alternatives and performance. authors: michael j. franklin , michael j. carey , miron livny. venue: acm transactions on database systems ( tods ). year: 1997", "same": true} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: online association rule mining. authors: christian hidber. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: association rules over interval data. authors: ren\u00e9e j. miller , yuping yang. venue: sigmod conference. year: 1997", "productB": "title: online association rule mining. authors: christian hidber. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: alex pang , jiawei han , raymond t. ng , laks v. s. lakshmanan. venue: sigmod conference. year: 1998", "productB": "title: online association rule mining. authors: christian hidber. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: the merge/purge problem for large databases. authors: mauricio a. hern á ndez , salvatore j. stolfo. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the merge/purge problem for large databases. authors: salvatore j. stolfo , mauricio a. hern\u00e1ndez. venue: sigmod conference. year: 1995", "productB": "title: the merge/purge problem for large databases. authors: mauricio a. hern á ndez , salvatore j. stolfo. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: mining quantitative association rules in large relational tables. authors: ramakrishnan srikant , rakesh agrawal. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: sampling large databases for association rules. authors: hannu toivonen. venue: vldb. year: 1996", "productB": "title: large databases for remote sensing and gis. authors: a. r. dasgupta. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: a data model and data structures for moving objects databases. authors: markus schneider , enrico nardelli , luca forlizzi , ralf hartmut g\u00fcting. venue: sigmod conference. year: 2000", "productB": "title: of objects and databases : a decade of turmoil. authors: michael j. carey , david j. dewitt. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: a data model and data structures for moving objects databases. authors: markus schneider , enrico nardelli , luca forlizzi , ralf hartmut g\u00fcting. venue: sigmod conference. year: 2000", "productB": "title: a low-cost storage server for movie on demand databases. authors: banu Ö zden , alexandros biliris , rajeev rastogi , abraham silberschatz. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: component-based e-commerce : assesment of current practices and future directions. authors: martin bichler , arie segev , j. leon zhao. venue: sigmod record. year: 1998", "productB": "title: scientific databases - state of the art and future directions. authors: maria zemankova , yannis e. ioannidis. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: fine-grained sharing in a page server oodbms. authors: michael j. carey , markos zaharioudakis , michael j. franklin. venue: sigmod conference. year: 1994", "productB": "title: fine-grained sharing in a page server oodbms. authors: michael j. carey , michael j. franklin , markos zaharioudakis. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: query execution techniques for caching expensive methods. authors: joseph m. hellerstein , jeffrey f. naughton. venue: sigmod conference. year: 1996", "productB": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: optimization of queries with user-defined predicates. authors: kyuseok shim , surajit chaudhuri. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: query processing techniques for multiversion access methods. authors: jochen van den bercken , bernhard seeger. venue: vldb. year: 1996", "productB": "title: optimization techniques for queries with expensive methods. authors: joseph m. hellerstein. venue: acm transactions on database systems ( tods ). year: 1998", "same": false} +{"productA": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: vldb. year: 2001", "productB": "title: qxtract : a building block for efficient information extraction from text databases. authors: eugene agichtein , luis gravano. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: rp * : a family of order preserving scalable distributed data structures. authors: witold litwin , marie-anne neimat , donovan a. schneider. venue: vldb. year: 1994", "productB": "title: rp * : a family of order preserving scalable distributed data structures. authors: witold litwin , marie-anne neimat , donovan a. schneider. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: java and relational databases : sqlj ( tutorial ). authors: johannes klein , richard pledereder , gray clossman , brian becker , phil shaw , mark hapner. venue: sigmod conference. year: 1998", "productB": "title: sap r/3 ( tutorial ) : a database application system. authors: alfons kemper , donald kossmann , florian matthes. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: object-relational database systems : principles , products , and challenges ( tutorial ). authors: michael j. carey , anil nori , nelson mendon\u00e7a mattos. venue: sigmod conference. year: 1997", "productB": "title: sap r/3 ( tutorial ) : a database application system. authors: alfons kemper , donald kossmann , florian matthes. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: tutorial : ldap directory services - just another database application ?. authors: anand deshpande , shridhar shukla. venue: sigmod conference. year: 2000", "productB": "title: sap r/3 ( tutorial ) : a database application system. authors: alfons kemper , donald kossmann , florian matthes. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: java and relational databases : sqlj ( tutorial ). authors: johannes klein , richard pledereder , gray clossman , brian becker , phil shaw , mark hapner. venue: sigmod conference. year: 1998", "productB": "title: constraint databases : a tutorial introduction. authors: jan van den bussche. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbon. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: approximate query processing using wavelets. authors: rajeev rastogi , minos n. garofalakis , kyuseok shim , kaushik chakrabarti. venue: vldb j.. year: 2001", "productB": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbon. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: sequence query processing. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: approximate query processing using wavelets. authors: kyuseok shim , kaushik chakrabarti , minos n. garofalakis , rajeev rastogi. venue: vldb. year: 2000", "productB": "title: sequence query processing. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: avoiding ordering and grouping in query processing. authors: xiaoyu wang , mitch cherniack. venue: vldb. year: 2003", "productB": "title: sequence query processing. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: query processing techniques for arrays. authors: kenneth salem , arunprasad p. marathe. venue: sigmod conference. year: 1999", "productB": "title: sequence query processing. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: improving adaptable similarity query processing by using approximations. authors: mihael ankerst , bernhard braunm ü ller , hans-peter kriegel , thomas seidl. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: approximate query processing using wavelets. authors: kyuseok shim , kaushik chakrabarti , minos n. garofalakis , rajeev rastogi. venue: vldb. year: 2000", "productB": "title: improving adaptable similarity query processing by using approximations. authors: mihael ankerst , bernhard braunm ü ller , hans-peter kriegel , thomas seidl. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: similarity query processing using disk arrays. authors: apostolos papadopoulos , yannis manolopoulos. venue: sigmod conference. year: 1998", "productB": "title: improving adaptable similarity query processing by using approximations. authors: mihael ankerst , bernhard braunm ü ller , hans-peter kriegel , thomas seidl. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: approximate query processing using wavelets. authors: rajeev rastogi , minos n. garofalakis , kyuseok shim , kaushik chakrabarti. venue: vldb j.. year: 2001", "productB": "title: improving adaptable similarity query processing by using approximations. authors: mihael ankerst , bernhard braunm ü ller , hans-peter kriegel , thomas seidl. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: feedbackbypass : a new approach to interactive similarity query processing. authors: paolo ciaccia , florian waas , ilaria bartolini. venue: vldb. year: 2001", "productB": "title: improving adaptable similarity query processing by using approximations. authors: mihael ankerst , bernhard braunm ü ller , hans-peter kriegel , thomas seidl. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: approximate query mapping : accounting for translation closeness. authors: kevin chen-chuan chang , h é ctor garc í a-molina. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: dynamic sample selection for approximate query processing. authors: brian babcock , surajit chaudhuri , gautam das. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a raster approximation for processing of spatial joins. authors: jano moreira de souza , geraldo zimbrao. venue: vldb. year: 1998", "productB": "title: dynamic sample selection for approximate query processing. authors: brian babcock , surajit chaudhuri , gautam das. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: approximate query processing : taming the terabytes. authors: minos n. garofalakis , phillip b. gibbons. venue: vldb. year: 2001", "productB": "title: approximate join processing over data streams. authors: abhinandan das , johannes gehrke , mirek riedewald. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: approximate join processing over data streams. authors: johannes gehrke , abhinandan das , mirek riedewald. venue: sigmod conference. year: 2003", "productB": "title: approximate join processing over data streams. authors: abhinandan das , johannes gehrke , mirek riedewald. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: scheduling for shared window joins over data streams. authors: michael j. franklin , moustafa a. hammad , ahmed k. elmagarmid , walid g. aref. venue: vldb. year: 2003", "productB": "title: approximate join processing over data streams. authors: abhinandan das , johannes gehrke , mirek riedewald. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: approximate xml joins. authors: h. v. jagadish , ting yu , divesh srivastava , sudipto guha , nick koudas. venue: sigmod conference. year: 2002", "productB": "title: approximate join processing over data streams. authors: abhinandan das , johannes gehrke , mirek riedewald. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: on views and xml. authors: serge abiteboul. venue: sigmod record. year: 1999", "productB": "title: on database theory and xml. authors: dan suciu. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: on database theory and xml. authors: dan suciu. venue: sigmod record. year: 2001", "productB": "title: on database theory and xml. authors: dan suciu. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: data management challenges in crm. authors: george colliat. venue: sigmod conference. year: 2003", "productB": "title: evolution and change in data management - issues and directions. authors: john f. roddick , lina al-jadir , leopoldo bertossi , marlon dumas , florida estrella , heidi gregersen , kathleen hornsby , jens lufter , federica mandreoli , tomi m ä nnist ö , enric mayol , lex wedemeijer. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: kun-lung wu , philip s. yu , james z. teng , jen-yao chung. venue: vldb. year: 1995", "productB": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: kun-lung wu , philip s. yu , jen-yao chung , james z. teng. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: an empirical performance study of the ingres search accelerator for a large property management database system. authors: john g. hughes , david a. bell , sarabjot s. anand. venue: vldb. year: 1994", "productB": "title: a performance study of workfile disk management for concurrent mergesorts in a multiprocessor database system. authors: kun-lung wu , philip s. yu , jen-yao chung , james z. teng. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: promises and realities of active database systems. authors: eric simon , angelika kotz dittrich. venue: vldb. year: 1995", "productB": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: christine collet , thierry coupaye , t. svensen. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: an effective deductive object-oriented database through language integration. authors: m. howard williams , norman w. paton , andrew dinn , maria l. barja , alvaro a. a. fernandes. venue: vldb. year: 1994", "productB": "title: naos - efficient and modular reactive capabilities in an object-oriented database system. authors: christine collet , thierry coupaye , t. svensen. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a model for compound type changes encountered in schema evolution. authors: barbara staudt lerner. venue: acm trans . database syst .. year: 2000", "productB": "title: a model for compound type changes encountered in schema evolution. authors: barbara staudt lerner. venue: acm transactions on database systems ( tods ). year: 2000", "same": true} +{"productA": "title: fault-tolerant architectures for continuous media servers. authors: abraham silberschatz , rajeev rastogi , banu \u00f6zden , prashant j. shenoy. venue: sigmod conference. year: 1996", "productB": "title: fault-tolerant architectures for continuous media servers. authors: banu Ö zden , rajeev rastogi , prashant shenoy , avi silberschatz. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: prospector : a content-based multimedia server for massively parallel architectures. authors: g. linderman , alexandros biliris , h. chen , k. ganapathi , euthimios panagos , s. choo , david schrader , william o'connell. venue: sigmod conference. year: 1996", "productB": "title: fault-tolerant architectures for continuous media servers. authors: banu Ö zden , rajeev rastogi , prashant shenoy , avi silberschatz. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: data management for pervasive computing. authors: mitch cherniack , stanley b. zdonik , michael j. franklin. venue: vldb. year: 2001", "productB": "title: business data management for business-to-business electronic commerce. authors: christoph quix , mareike schoop , manfred jeusfeld. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: towards a theory of cost management for digital libraries and electronic commerce. authors: a. prasad sistla , robert h. sloan , yelena yesha , ouri wolfson. venue: acm trans . database syst .. year: 1998", "productB": "title: business data management for business-to-business electronic commerce. authors: christoph quix , mareike schoop , manfred jeusfeld. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: statistical synopses for graph-structured xml databases. authors: minos n. garofalakis , neoklis polyzotis. venue: sigmod conference. year: 2002", "productB": "title: statistical synopses for graph-structured xml databases. authors: neoklis polyzotis , minos garofalakis. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: dynamic information visualization. authors: yannis e. ioannidis. venue: sigmod record. year: 1996", "productB": "title: databases and visualization. authors: daniel a. keim. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: visionary : a next generation visualization system for databases. authors: michael stonebraker. venue: sigmod conference. year: 2003", "productB": "title: databases and visualization. authors: daniel a. keim. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: devise : integrated querying and visualization of large datasets. authors: miron livny , raghu ramakrishnan , donko donjerkovic , shilpa lawande , jussi myllymaki , guangshun chen , r. kent wenger , kevin s. beyer. venue: sigmod conference. year: 1997", "productB": "title: databases and visualization. authors: daniel a. keim. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , beng chin ooi , frank neven. venue: sigmod record. year: 2003", "productB": "title: reminiscences in influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: hector garcia-molina , patricia g. selinger , tomasz imielinski , david maier , jeffrey d. ullman , richard t. snodgrass. venue: sigmod record. year: 1998", "productB": "title: reminiscences in influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: reminiscences on influential papers. authors: kenneth a. ross , anastassia ailamaki , alfred v. aho. venue: sigmod record. year: 2002", "productB": "title: reminiscences in influential papers. authors: richard snodgrass. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: champagne : data change propagation for heterogeneous information systems. authors: holger meinecke , uwe heinkel , ralf rantzau , carmen constantinescu. venue: vldb. year: 2002", "productB": "title: using semantic values to facilitate interoperability among heterogeneous information systems. authors: edward sciore , michael siegel , arnon rosenthal. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: using semantic values to falilitate interoperability among heterogeneous information systems. authors: edward sciore , michael siegel , arnon rosenthal. venue: acm trans . database syst .. year: 1994", "productB": "title: using semantic values to facilitate interoperability among heterogeneous information systems. authors: edward sciore , michael siegel , arnon rosenthal. venue: acm transactions on database systems ( tods ). year: 1994", "same": true} +{"productA": "title: from data independence to knowledge independence : an on-going story. authors: laurent vieille. venue: vldb. year: 1998", "productB": "title: from data independence to knowledge independence : an on-going story. authors: laurent vieille. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: author index. authors: ?. venue: vldb. year: 2000", "productB": "title: author index. authors: nan. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: vldb. year: 1994", "productB": "title: clustering categorical data : an approach based on dynamical systems. authors: david gibson , jon kleinberg , prabhakar raghavan. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: vldb. year: 1994", "productB": "title: clustering categorical data : an approach based on dynamical systems. authors: david gibson , jon m. kleinberg , prabhakar raghavan. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: clustering categorical data : an approach based on dynamical systems. authors: prabhakar raghavan , david gibson , jon m. kleinberg. venue: vldb. year: 1998", "productB": "title: clustering categorical data : an approach based on dynamical systems. authors: david gibson , jon m. kleinberg , prabhakar raghavan. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: the impact of global clustering on spatial database systems. authors: thomas brinkhoff , hans-peter kriegel. venue: vldb. year: 1994", "productB": "title: the impact of database research on industrial products ( panel ). authors: jos é a. blakeley , dan fishman , david lomet , michael stonebraker. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: will database researchers have any role in data security ? ( panel abstract ). authors: arnon rosenthal. venue: sigmod conference. year: 2001", "productB": "title: the impact of database research on industrial products ( panel ). authors: jos é a. blakeley , dan fishman , david lomet , michael stonebraker. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: improving the efficiency of database-system teaching. authors: jeffrey d. ullman. venue: sigmod conference. year: 2003", "productB": "title: improving the efficiency of database-system teaching. authors: jeffrey d. ullman. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: partition selection policies in object database garbage collection. authors: benjamin g. zorn , alexander l. wolf , jonathan e. cook. venue: sigmod conference. year: 1994", "productB": "title: concurrent garbage collection in o2. authors: marcin skubiszewski , patrick valduriez. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: approximate query processing using wavelets. authors: kyuseok shim , kaushik chakrabarti , minos n. garofalakis , rajeev rastogi. venue: vldb. year: 2000", "productB": "title: a raster approximation for processing of spatial joins. authors: geraldo zimbrao , jano moreira de souza. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: approximate join processing over data streams. authors: johannes gehrke , abhinandan das , mirek riedewald. venue: sigmod conference. year: 2003", "productB": "title: a raster approximation for processing of spatial joins. authors: geraldo zimbrao , jano moreira de souza. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: searching in metric spaces by spatial approximation. authors: gonzalo navarro. venue: vldb j.. year: 2002", "productB": "title: a raster approximation for processing of spatial joins. authors: geraldo zimbrao , jano moreira de souza. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: generalized search trees for database systems. authors: jeffrey f. naughton , avi pfeffer , joseph m. hellerstein. venue: vldb. year: 1995", "productB": "title: chorochronos : a research network for spatiotemporal database systems. authors: andrew frank , stephane grumbach , ralf hartmut g ü ting , christian s. jensen , manolis koubarakis , nikos lorentzos , yannis manolopoulos , enrico nardelli , barbara pernici , hans-j ö rg schek , michel scholl , timos sellis , babis theodoulidis , peter widmayer. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: research issues for data communication in mobile ad-hoc network database systems. authors: leslie d. fife , le gruenwald. venue: sigmod record. year: 2003", "productB": "title: chorochronos : a research network for spatiotemporal database systems. authors: andrew frank , stephane grumbach , ralf hartmut g ü ting , christian s. jensen , manolis koubarakis , nikos lorentzos , yannis manolopoulos , enrico nardelli , barbara pernici , hans-j ö rg schek , michel scholl , timos sellis , babis theodoulidis , peter widmayer. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: nonstop sql/mx publish/subscribe : continuous data streams in transaction processing. authors: hansj\u00f6rg zeller. venue: sigmod conference. year: 2003", "productB": "title: telegraphcq : continuous dataflow processing. authors: sirish chandrasekaran , owen cooper , amol deshpande , michael j. franklin , joseph m. hellerstein , wei hong , sailesh krishnamurthy , samuel r. madden , fred reiss , mehul a. shah. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a survey of approaches to automatic schema matching. authors: philip a. bernstein , erhard rahm. venue: vldb j.. year: 2001", "productB": "title: a survey of approaches to automatic schema matching. authors: erhard rahm , philip a. bernstein. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": true} +{"productA": "title: the sift information dissemination system. authors: tak w. yan , hector garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: image mining in iris : integrated retinal information system. authors: wynne hsu , mong li lee , kheng guan goh. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the sift information dissemination system. authors: tak w. yan , hector garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: sit-in : a real-life spatio-temporal information system. authors: giuseppe sindoni , leonardo tininini , amedea ambrosetti , cristina bedeschi , stefano de francisci , orietta gargano , rossella molinaro , mario paolucci , paola patteri , pina ticca. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: the sift information dissemination system. authors: tak w. yan , hector garcia-molina. venue: acm trans . database syst .. year: 1999", "productB": "title: challenges for global information systems. authors: alon y. levy , abraham silberschatz , divesh srivastava , maria zemankova. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: transactional information systems - book review. authors: marc h. scholl. venue: sigmod record. year: 2001", "productB": "title: challenges for global information systems. authors: alon y. levy , abraham silberschatz , divesh srivastava , maria zemankova. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: metrics for accessing heterogeneous data : is there any hope ? ( panel ). authors: michael stonebraker , nicholas j. belkin , gio wiederhold , erich j. neuhold , leonard j. seligman. venue: vldb. year: 1995", "productB": "title: metrics for accessing heterogeneous data : is there any hope ? ( panel ). authors: leonard j. seligman , nicholas j. belkin , erich j. neuhold , michael stonebraker , gio wiederhold. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: fast , randomized join-order selection - why use transformations ?. authors: arjan pellenkoft , c\u00e9sar a. galindo-legaria , martin l. kersten. venue: vldb. year: 1994", "productB": "title: fast , randomized join-order selection - why use transformations ?. authors: c é sar a. galindo-legaria , arjan pellenkoft , martin l. kersten. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: automated resolution of semantic heterogeneity in multidatabases. authors: a. r. hurson , simin h. pakzad , m. w. bright. venue: acm trans . database syst .. year: 1994", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: jenny chiang , ze-nian li , osmar r. za\u00efane , sonny h. chee , jiawei han. venue: sigmod conference. year: 1998", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: niagaracq : a scalable continuous query system for internet databases. authors: yuan wang , feng tian , david j. dewitt , jianjun chen. venue: sigmod conference. year: 2000", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: quality-driven integration of heterogenous information systems. authors: johann christoph freytag , felix naumann , ulf leser. venue: vldb. year: 1999", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: designing wrapper components for e-services in integrating heterogeneous systems. authors: barbara pernici , massimo mecella. venue: vldb j.. year: 2001", "productB": "title: semint : a system prototype for semantic integration in heterogeneous databases. authors: wen-syan li , chris clifton. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: update propagation protocols for replicated databases. authors: raghavan komondoor , abraham silberschatz , yuri breitbart , s. seshadri , rajeev rastogi. venue: sigmod conference. year: 1999", "productB": "title: update propagation strategies to improve freshness in lazy master replicated databases. authors: esther pacitti , eric simon. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: update propagation protocols for replicated databases. authors: raghavan komondoor , abraham silberschatz , yuri breitbart , s. seshadri , rajeev rastogi. venue: sigmod conference. year: 1999", "productB": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: esther pacitti , pascale minet , eric simon. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: fast algorithms for maintaining replica consistency in lazy master replicated databases. authors: esther pacitti , pascale minet , eric simon. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: update propagation protocols for replicated databases. authors: raghavan komondoor , abraham silberschatz , yuri breitbart , s. seshadri , rajeev rastogi. venue: sigmod conference. year: 1999", "productB": "title: update propagation protocols for replicated databates. authors: yuri breitbart , raghavan komondoor , rajeev rastogi , s. seshadri , avi silberschatz. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: update propagation protocols for replicated databases. authors: raghavan komondoor , abraham silberschatz , yuri breitbart , s. seshadri , rajeev rastogi. venue: sigmod conference. year: 1999", "productB": "title: update propagation strategies for improving the quality of data on the web. authors: alexandros labrinidis , nick roussopoulos. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: using latency-recency profiles for data delivery on the web. authors: louiqa raschid , laura bright. venue: vldb. year: 2002", "productB": "title: update propagation strategies for improving the quality of data on the web. authors: alexandros labrinidis , nick roussopoulos. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: top-k selection queries over relational databases : mapping strategies and performance evaluation. authors: surajit chaudhuri , nicolas bruno , luis gravano. venue: acm trans . database syst .. year: 2002", "productB": "title: top-k selection queries over relational databases : mapping strategies and performance evaluation. authors: nicolas bruno , surajit chaudhuri , luis gravano. venue: acm transactions on database systems ( tods ). year: 2002", "same": true} +{"productA": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: jennifer widom , chris olston. venue: vldb. year: 2000", "productB": "title: top-k selection queries over relational databases : mapping strategies and performance evaluation. authors: nicolas bruno , surajit chaudhuri , luis gravano. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: metadata standards for data warehousing : open information model vs. common warehouse metamodel. authors: anca vaduva , thomas vetterli , martin staudt. venue: sigmod record. year: 2000", "productB": "title: storhouse metanoia - new applications for database , storage & ; data warehousing. authors: felipe cari ñ o , jr. , pekka kostamaa , art kaufmann , john burgess. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: vqbd : exploring semistructured data. authors: jihwang yeo , sudarshan s. chawathe , thomas baby. venue: sigmod conference. year: 2001", "productB": "title: lore : a lightweight object repository for semistructured data. authors: dallan quass , jennifer widom , roy goldman , kevin haas , qingshan luo , jason mchugh , svetlozar nestorov , anand rajaraman , hugo rivero , serge abiteboul , jeff ullman , janet wiener. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: scalable parallel data mining for association rules. authors: eui-hong han , vipin kumar , george karypis. venue: sigmod conference. year: 1997", "productB": "title: association rules over interval data. authors: r. j. miller , y. yang. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: scalable parallel data mining for association rules. authors: eui-hong han , vipin kumar , george karypis. venue: sigmod conference. year: 1997", "productB": "title: communication-efficient distributed mining of association rules. authors: assaf schuster , ran wolff. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: an effective hash based algorithm for mining association rules. authors: ming-syan chen , philip s. yu , jong soo park. venue: sigmod conference. year: 1995", "productB": "title: communication-efficient distributed mining of association rules. authors: assaf schuster , ran wolff. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: scalable parallel data mining for association rules. authors: eui-hong han , vipin kumar , george karypis. venue: sigmod conference. year: 1997", "productB": "title: dms : a parallel data mining server. authors: felicity george. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: sigmod record. year: 2002", "productB": "title: report on second international workshop on advanced issues of e-commerce and web-based information systems. authors: kun-lung wu , philip s. yu. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: report on first international workshop on real-time database systems. authors: sang hyuk son , kwei-jay lin , azer bestavros. venue: sigmod record. year: 1996", "productB": "title: report on second international workshop on advanced issues of e-commerce and web-based information systems. authors: kun-lung wu , philip s. yu. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: report from the nsf workshop on workflow and process automation in information systems. authors: dimitrios georgakopoulos , stef joosten , marek rusinkiewicz , alexander l. wolf , walt scacchi , amit p. sheth , jack c. wileden. venue: sigmod record. year: 1996", "productB": "title: report on second international workshop on advanced issues of e-commerce and web-based information systems. authors: kun-lung wu , philip s. yu. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: report on the acm fourth international workshop on data warehousing and olap ( dolap 2001 ). authors: joachim hammer. venue: sigmod record. year: 2002", "productB": "title: design and management of data warehouses report on the dmdw '99 workshop. authors: stella gatziu , manfred jeusfeld , martin staudt , yannis vassiliou. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: towards effective and efficient free space management. authors: marvin h. solomon , michael j. carey , mark l. mcauliffe. venue: sigmod conference. year: 1996", "productB": "title: towards effective and efficient free space management. authors: mark l. mcauliffe , michael j. carey , marvin h. solomon. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: bj\u00f6rn blohsfeld , jens-peter dittrich , martin schneider , bernhard seeger , tobias sch\u00e4fer , jochen van den bercken , j\u00fcrgen kr\u00e4mer. venue: vldb. year: 2001", "productB": "title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: jochen van den bercken , bj ö rn blohsfeld , jens-peter dittrich , j ü rgen kr ä mer , tobias sch ä fer , martin schneider , bernhard seeger. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: xxl - a library approach to supporting efficient implementations of advanced database queries. authors: jochen van den bercken , bj ö rn blohsfeld , jens-peter dittrich , j ü rgen kr ä mer , tobias sch ä fer , martin schneider , bernhard seeger. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: mining generalized association rules. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1995", "productB": "title: exploratory mining and pruning optimizations of constrained associations rules. authors: raymond t. ng , laks v. s. lakshmanan , jiawei han , alex pang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: exploratory mining and pruning optimizations of constrained association rules. authors: alex pang , jiawei han , raymond t. ng , laks v. s. lakshmanan. venue: sigmod conference. year: 1998", "productB": "title: exploratory mining and pruning optimizations of constrained associations rules. authors: raymond t. ng , laks v. s. lakshmanan , jiawei han , alex pang. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: exploratory mining via constrained frequent set queries. authors: jiawei han , teresa mah , laks v. s. lakshmanan , raymond t. ng. venue: sigmod conference. year: 1999", "productB": "title: exploratory mining and pruning optimizations of constrained associations rules. authors: raymond t. ng , laks v. s. lakshmanan , jiawei han , alex pang. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: on supporting containment queries in relational database management systems. authors: guy m. lohman , david j. dewitt , qiong luo , jeffrey f. naughton , chun zhang. venue: sigmod conference. year: 2001", "productB": "title: building knowledge base management systems. authors: john mylopoulos , vinay chaudhri , dimitris plexousakis , adel shrufi , thodoros topologlou. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: relational data sharing in peer-based data management systems. authors: beng chin ooi , yanfeng shu , kian-lee tan. venue: sigmod record. year: 2003", "productB": "title: building knowledge base management systems. authors: john mylopoulos , vinay chaudhri , dimitris plexousakis , adel shrufi , thodoros topologlou. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: on-demand data elevation in hierarchical multimedia storage servers. authors: thomas papadakis , peter triantafillou. venue: vldb. year: 1997", "productB": "title: on-demand data elevation in hierarchical multimedia storage servers. authors: peter triantafillou , thomas papadakis. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book reviews. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2001", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: learning about data integration challenges from day one. authors: alon y. halevy. venue: sigmod record. year: 2003", "productB": "title: learning about data integration challenges from day one. authors: alon y. halevy. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: a graph-theoretic model for optimizing queries involving methods. authors: yaw-huei chen , chi-sheng shih , chiang lee. venue: vldb j.. year: 2001", "productB": "title: a graph-theoretic model for optimizing queries involving methods. authors: chiang lee , chi-sheng shih , yaw-huei chen. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": true} +{"productA": "title: data and knowledge base research at hong kong university of science and technology. authors: babak hamidzadeh , kamalakar karlapalem , qing li , chung-dak shum , dik lun lee , frederick h. lochovsky , beat w\u00fcthrich , alex chia-yee kean , pamela drew. venue: sigmod record. year: 1995", "productB": "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. d. shum , b. wuthrich. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: on the computation of multidimensional aggregates. authors: sunita sarawagi , ashish gupta , rakesh agrawal , prasad deshpande , jeffrey f. naughton , sameet agarwal , raghu ramakrishnan. venue: vldb. year: 1996", "productB": "title: user-cognizant multidimensional analysis. authors: sunita sarawagi. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: management of multidimensional discrete data. authors: peter baumann. venue: vldb j.. year: 1994", "productB": "title: user-cognizant multidimensional analysis. authors: sunita sarawagi. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: sleepers and workaholics : caching strategies in mobile environments. authors: tomasz imielinski , daniel barbar\u00e1. venue: vldb j.. year: 1995", "productB": "title: sleepers and workaholics : caching strategies in mobile environments ( extended version ). authors: daniel barbar á , tomasz imieli ń ski. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: query engines for web-accessible xml data. authors: ramez elmasri , leonidas fegaras. venue: vldb. year: 2001", "productB": "title: query engines for web-accessible xml data. authors: leonidas fegaras , ramez elmasri. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: xpress : a queriable compression for xml data. authors: myung-jae park , jun-ki min , chin-wan chung. venue: sigmod conference. year: 2003", "productB": "title: query engines for web-accessible xml data. authors: leonidas fegaras , ramez elmasri. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: incremental maintenance for non-distributive aggregate functions. authors: themistoklis palpanas , richard sidle , hamid pirahesh , roberta cochrane. venue: vldb. year: 2002", "productB": "title: incremental maintenance of externally materialized views. authors: martin staudt , matthias jarke. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: free parallel data mining. authors: bin li , dennis shasha. venue: sigmod conference. year: 1998", "productB": "title: free parallel data mining. authors: bin li , dennis shasha. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: privacy-preserving data mining. authors: ramakrishnan srikant , rakesh agrawal. venue: sigmod conference. year: 2000", "productB": "title: free parallel data mining. authors: bin li , dennis shasha. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: relational databases for querying xml documents : limitations and opportunities. authors: jeffrey f. naughton , kristin tufte , chun zhang , gang he , david j. dewitt , jayavel shanmugasundaram. venue: vldb. year: 1999", "productB": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: michael j. carey , jerry kiernan , jayavel shanmugasundaram , eugene j. shekita , subbu n. subramanian. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: efficiently publishing relational data as xml documents. authors: bruce g. lindsay , hamid pirahesh , berthold reinwald , michael j. carey , rimon barr , jayavel shanmugasundaram , eugene j. shekita. venue: vldb j.. year: 2001", "productB": "title: xperanto : middleware for publishing object-relational data as xml documents. authors: michael j. carey , jerry kiernan , jayavel shanmugasundaram , eugene j. shekita , subbu n. subramanian. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: lukasz golab , m. tamer \u00f6zsu. venue: vldb. year: 2003", "productB": "title: processing complex aggregate queries over data streams. authors: alin dobra , minos garofalakis , johannes gehrke , rajeev rastogi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: complex queries over web repositories. authors: hector garcia-molina , sriram raghavan. venue: vldb. year: 2003", "productB": "title: processing complex aggregate queries over data streams. authors: alin dobra , minos garofalakis , johannes gehrke , rajeev rastogi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: xpath queries on streaming data. authors: sudarshan s. chawathe , feng peng. venue: sigmod conference. year: 2003", "productB": "title: processing complex aggregate queries over data streams. authors: alin dobra , minos garofalakis , johannes gehrke , rajeev rastogi. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: processing sliding window multi-joins in continuous queries over data streams. authors: lukasz golab , m. tamer \u00f6zsu. venue: vldb. year: 2003", "productB": "title: adaptive filters for continuous queries over distributed data streams. authors: chris olston , jing jiang , jennifer widom. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: query processing in spatial network databases. authors: nikos mamoulis , jun zhang , dimitris papadias , yufei tao. venue: vldb. year: 2003", "productB": "title: selectivity estimation in spatial databases. authors: swarup acharya , viswanath poosala , sridhar ramaswamy. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: adaptive selectivity estimation using query feedback. authors: chung-min chen , nick roussopoulos. venue: sigmod conference. year: 1994", "productB": "title: selectivity estimation in spatial databases. authors: swarup acharya , viswanath poosala , sridhar ramaswamy. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: query processing in spatial network databases. authors: nikos mamoulis , jun zhang , dimitris papadias , yufei tao. venue: vldb. year: 2003", "productB": "title: the cougar approach to in-network query processing in sensor networks. authors: yong yao , johannes gehrke. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: the design of an acquisitional query processor for sensor networks. authors: samuel madden , wei hong , joseph m. hellerstein , michael j. franklin. venue: sigmod conference. year: 2003", "productB": "title: the cougar approach to in-network query processing in sensor networks. authors: yong yao , johannes gehrke. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: query processing in spatial network databases. authors: nikos mamoulis , jun zhang , dimitris papadias , yufei tao. venue: vldb. year: 2003", "productB": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: querying multiple features of groups in relational databases. authors: damianos chatziantoniou , kenneth a. ross. venue: vldb. year: 1996", "productB": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: vldb. year: 1995", "productB": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: vldb j.. year: 1997", "productB": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": true} +{"productA": "title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: michael jaedicke , bernhard mitschang. venue: sigmod conference. year: 1998", "productB": "title: query processing over object views of relational data. authors: gustav fahl , tore risch. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: progress on hpcc and nii. authors: marianne winslett. venue: sigmod record. year: 1994", "productB": "title: progress on hpcc and nii. authors: marianne winslett. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: optimizing object queries using an effective calculus. authors: leonidas fegaras , david maier. venue: acm transactions on database systems ( tods ). year: 2000", "same": false} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries over multimedia repositories. authors: surajit chaudhuri , luis gravano. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: optimizing queries on compressed bitmaps. authors: sihem amer-yahia , theodore johnson. venue: vldb. year: 2000", "productB": "title: optimizing queries over multimedia repositories. authors: surajit chaudhuri , luis gravano. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: optimizing disjunctive queries with expensive predicates. authors: alfons kemper , guido moerkotte , michael steinbrunn , klaus peithner. venue: sigmod conference. year: 1994", "productB": "title: factorizing complex predicates in queries to exploit indexes. authors: surajit chaudhuri , prasanna ganesan , sunita sarawagi. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: dynamic sample selection for approximate query processing. authors: gautam das , surajit chaudhuri , brian babcock. venue: sigmod conference. year: 2003", "productB": "title: icicles : self-tuning samples for approximate query answering. authors: venkatesh ganti , mong-li lee , raghu ramakrishnan. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: conceptual schema analysis : techniques and applications. authors: valeria de antonellis , barbara pernici , maria grazia fugini , silvana castano. venue: acm trans . database syst .. year: 1998", "productB": "title: bulk-loading techniques for object databases and an application to relational data. authors: sihem amer-yahia , sophie cluet , claude delobel. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: aqua : a fast decision support systems using approximate query answers. authors: swarup acharya , phillip b. gibbons , viswanath poosala. venue: vldb. year: 1999", "productB": "title: join synopses for approximate query answering. authors: swarup acharya , phillip b. gibbons , viswanath poosala , sridhar ramaswamy. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: experiments on access to digital libraries : how can images and text be used together. authors: michael lesk. venue: vldb. year: 1994", "productB": "title: experiments on access to digital libraries : how can images and text be used together. authors: michael lesk. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: david j. dewitt , navin kabra. venue: sigmod conference. year: 1998", "productB": "title: optimization of dynamic query evaluation plans. authors: richard l. cole , goetz graefe. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimization of queries with user-defined predicates. authors: kyuseok shim , surajit chaudhuri. venue: acm trans . database syst .. year: 1999", "productB": "title: optimization of dynamic query evaluation plans. authors: richard l. cole , goetz graefe. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: amit shukla , jeffrey f. naughton , yihong zhao , prasad deshpande. venue: sigmod conference. year: 1998", "productB": "title: optimization of dynamic query evaluation plans. authors: richard l. cole , goetz graefe. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: open issues in parallel query optimization. authors: waqar hasan , patrick valduriez , daniela florescu. venue: sigmod record. year: 1996", "productB": "title: optimization of dynamic query evaluation plans. authors: richard l. cole , goetz graefe. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimization of dynamic query evaluation plans. authors: goetz graefe , richard l. cole. venue: sigmod conference. year: 1994", "productB": "title: optimization of dynamic query evaluation plans. authors: richard l. cole , goetz graefe. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: data partitioning and load balancing in parallel disk systems. authors: gerhard weikum , peter zabback , peter scheuermann. venue: vldb j.. year: 1998", "productB": "title: estimation of query-result distribution and its application in parallel-join load balancing. authors: viswanath poosala , yannis e. ioannidis. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: the tsql2 final language definition announcement. authors: ?. venue: sigmod record. year: 1994", "productB": "title: announcement-the temporal query language tsql2 final language definition. authors: richard thomas snodgrass , ilsoo ahn , gad ariav , don batory , james clifford , curtis e. dyreson , ramez elmasri , fabio grandi , christian s. jensen , wolfgang k ä fer , nick kline , krishna kulkarni , t. y. cliff leung , nikos lorentzos , john f. roddick , arie segev , michael d. soo , suryanarayana m. sripada. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: the changing landscape of the software industry and its implications for india. authors: umang gupta. venue: vldb. year: 1996", "productB": "title: the evolution of the web and implications for an incremental crawler. authors: junghoo cho , hector garcia-molina. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a framework for semantic gossiping. authors: manfred hauswirth , karl aberer , philippe cudr\u00e9-mauroux. venue: sigmod record. year: 2002", "productB": "title: a framework for expressing and combining preferences. authors: rakesh agrawal , edward l. wimmers. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: a framework for semantic gossiping. authors: manfred hauswirth , karl aberer , philippe cudr\u00e9-mauroux. venue: sigmod record. year: 2002", "productB": "title: a framework for semantic gossiping. authors: karl aberer , philippe cudr é - mauroux , manfred hauswirth. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: a framework for semantic gossiping. authors: manfred hauswirth , karl aberer , philippe cudr\u00e9-mauroux. venue: sigmod record. year: 2002", "productB": "title: a framework for implementing hypothetical queries. authors: timothy griffin , richard hull. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: hypothetical queries in an olap environment. authors: thanos papadimitriou , andrey balmin , yannis papakonstantinou. venue: vldb. year: 2000", "productB": "title: a framework for implementing hypothetical queries. authors: timothy griffin , richard hull. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: adaptive , fine-grained sharing in a client-server oodbms : a callback-based approach. authors: michael j. carey , michael j. franklin , markos zaharioudakis. venue: acm trans . database syst .. year: 1997", "productB": "title: adaptive , fine-grained sharing in a client-server oodbms : a callback-based approach. authors: markos zaharioudakis , michael j. carey , michael j. franklin. venue: acm transactions on database systems ( tods ). year: 1997", "same": true} +{"productA": "title: efficient geometry-based similarity search of 3d spatial databases. authors: daniel a. keim. venue: sigmod conference. year: 1999", "productB": "title: fast parallel similarity search in multimedia databases. authors: stefan berchtold , christian b ö hm , bernhard braunm ü ller , daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: ambuj k. singh , kothuri venkata ravi kanth , divyakant agrawal. venue: sigmod conference. year: 1998", "productB": "title: fast parallel similarity search in multimedia databases. authors: stefan berchtold , christian b ö hm , bernhard braunm ü ller , daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: fast parallel similarity search in multimedia databases. authors: christian b\u00f6hm , bernhard braunm\u00fcller , hans-peter kriegel , daniel a. keim , stefan berchtold. venue: sigmod conference. year: 1997", "productB": "title: fast parallel similarity search in multimedia databases. authors: stefan berchtold , christian b ö hm , bernhard braunm ü ller , daniel a. keim , hans-peter kriegel. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: jaideep srivastava , jianzhong li , doron rotem. venue: vldb. year: 1999", "productB": "title: fast algorithms for universal quantification in large databases. authors: goetz graefe , richard l. cole. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: efficient exploration of large scientific databases. authors: gustavo alonso , etzard stolte. venue: vldb. year: 2002", "productB": "title: fast algorithms for universal quantification in large databases. authors: goetz graefe , richard l. cole. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: aggregation algorithms for very large compressed data warehouses. authors: jaideep srivastava , jianzhong li , doron rotem. venue: vldb. year: 1999", "productB": "title: aggregation algorithms for very large compressed data warehouses. authors: jianzhong li , doron rotem , jaideep srivastava. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: scalable sweeping-based spatial join. authors: lars arge , jeffrey scott vitter , torsten suel , sridhar ramaswamy , octavian procopiuc. venue: vldb. year: 1998", "productB": "title: scalable sweeping-based spatial join. authors: lars arge , octavian procopiuc , sridhar ramaswamy , torsten suel , jeffrey scott vitter. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: iterative spatial join. authors: hanan samet , edwin h. jacox. venue: acm trans . database syst .. year: 2003", "productB": "title: scalable sweeping-based spatial join. authors: lars arge , octavian procopiuc , sridhar ramaswamy , torsten suel , jeffrey scott vitter. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: scalable sweeping-based spatial join. authors: lars arge , jeffrey scott vitter , torsten suel , sridhar ramaswamy , octavian procopiuc. venue: vldb. year: 1998", "productB": "title: iterative spatial join. authors: edwin h. jacox , hanan samet. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: multiway spatial joins. authors: dimitris papadias , nikos mamoulis. venue: acm trans . database syst .. year: 2001", "productB": "title: iterative spatial join. authors: edwin h. jacox , hanan samet. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: java support for data-intensive systems : experiences building the telegraph dataflow system. authors: michael j. franklin , samuel madden , joseph m. hellerstein , mehul a. shah. venue: sigmod record. year: 2001", "productB": "title: java support for data-intensive systems : experiences building the telegraph dataflow system. authors: mehul a. shah , michael j. franklin , samuel madden , joseph m. hellerstein. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: mdm : a multiple-data-model tool for the management of heterogeneous database schemes. authors: paolo atzeni , riccardo torlone. venue: sigmod conference. year: 1997", "productB": "title: mdm : a multiple-data model tool for the management of heterogeneous database schemes. authors: paolo atzeni , riccardo torlone. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: quasi-cubes : exploiting approximations in multidimensional databases. authors: daniel barbar\u00e1 , mark sullivan. venue: sigmod record. year: 1997", "productB": "title: mining multi-dimensional constrained gradients in data cubes. authors: guozhu dong , jiawei han , joyce m. w. lam , jian pei , ke wang. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: multi-dimensional clustering : a new data layout scheme in db2. authors: bishwaranjan bhattacharjee , sriram padmanabhan , matthew huras , leslie cranston , timothy malkemus. venue: sigmod conference. year: 2003", "productB": "title: mining multi-dimensional constrained gradients in data cubes. authors: guozhu dong , jiawei han , joyce m. w. lam , jian pei , ke wang. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: a conceptual architecture for semantic web enabled web services. authors: dieter fensel , alexander maedche , christoph bussler. venue: sigmod record. year: 2002", "productB": "title: a data warehousing architecture for enabling service provisioning process. authors: yannis kotidis. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: modelling temporal thematic map contents. authors: elaheh pourabbas , alberto d'onofrio. venue: sigmod record. year: 2003", "productB": "title: modelling temporal thematic map contents. authors: alberto d'onofrio , elaheh pourabbas. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: efficient and cost-effective techniques for browsing and indexing large video databases. authors: kien a. hua , jung-hwan oh. venue: sigmod conference. year: 2000", "productB": "title: efficient and effective metasearch for text databases incorporating linkages among documents. authors: clement yu , weiyi meng , wensheng wu , king-lup liu. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: mapping extended entity relationship model to object modeling technique. authors: joseph fong. venue: sigmod record. year: 1995", "productB": "title: an extended entity-relationship model for geographic applications. authors: thanasis hadzilacos , nectaria tryfona. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: languages for multi-database interoperability. authors: laks v. s. lakshmanan , fr\u00e9d\u00e9ric gingras , nematollaah shiri , despina papoulis , iyer n. subramanian. venue: sigmod conference. year: 1997", "productB": "title: metu interoperable database system. authors: asuman dogac , ugur halici , ebru kilic , gokhan ozhan , fatma ozcan , sena nural , cevdet dengi , sema mancuhan , budak arpinar , pinar koksal , cem evrendilek. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: a content-based multimedia server for massively parallel architectures. authors: c. watson , g. linderman , euthimios panagos , t. walters , ion tim ieong , alexandros biliris , j. wang , s. choo , david schrader , p. colin , william o'connell , grace au. venue: sigmod conference. year: 1996", "productB": "title: a teradata content-based multimedia object manager for massively parallel architectures. authors: w. o'connell , i. t. ieong , d. schrader , c. watson , g. au , a. biliris , s. choo , p. colin , g. linderman , e. panagos , j. wang , t. walter. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: querying a multilevel database : a logical analysis. authors: fr\u00e9d\u00e9ric cuppens. venue: vldb. year: 1996", "productB": "title: querying atsql databases with temporal logic. authors: jan chomicki , david toman , michael h. b ö hlen. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: querying atsql databases with temporal logic. authors: jan chomicki , david toman , michael h. b\u00f6hlen. venue: acm trans . database syst .. year: 2001", "productB": "title: querying atsql databases with temporal logic. authors: jan chomicki , david toman , michael h. b ö hlen. venue: acm transactions on database systems ( tods ). year: 2001", "same": true} +{"productA": "title: amicalola report : database and information system research challenges and opportunities in semantic web and enterprises. authors: robert meersman , amit p. sheth. venue: sigmod record. year: 2002", "productB": "title: amicalola report : database and information systems research challenges and opportunities in semantic web and enterprises. authors: amit sheth , robert meersman. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: a data transformation system for biological data sources. authors: susan b. davidson , limsoon wong , kyle hart , peter buneman , g. christian overton. venue: vldb. year: 1995", "productB": "title: a database platform for bioinformatics. authors: sandeepan banerjee. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: a data transformation system for biological data sources. authors: susan b. davidson , limsoon wong , kyle hart , peter buneman , g. christian overton. venue: vldb. year: 1995", "productB": "title: lineage tracing for general data warehouse transformations. authors: yingwei cui , jennifer widom. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: lineage tracing for general data warehouse transformations. authors: jennifer widom , yingwei cui. venue: vldb j.. year: 2003", "productB": "title: lineage tracing for general data warehouse transformations. authors: yingwei cui , jennifer widom. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: preference formulas in relational queries. authors: jan chomicki. venue: acm trans . database syst .. year: 2003", "productB": "title: preference formulas in relational queries. authors: jan chomicki. venue: acm transactions on database systems ( tods ). year: 2003", "same": true} +{"productA": "title: oracle rac : architecture and performance. authors: angelo pruscino. venue: sigmod conference. year: 2003", "productB": "title: workshop on performance and architecture of web servers. authors: krishna kant , prasant mohapatra. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: aurora : a data stream management system. authors: nesime tatbul , daniel j. abadi , c. erwin , anurag maskey , mitch cherniack , alex rasin , christian convey , a. singer , eduardo f. galvez , r. yan , ugur \u00e7etintemel , ying xing , stanley b. zdonik , michael stonebraker , donald carney , m. hatoun. venue: sigmod conference. year: 2003", "productB": "title: aurora : a new model and architecture for data stream management. authors: daniel j. abadi , don carney , ugur Ç etintemel , mitch cherniack , christian convey , sangdon lee , michael stonebraker , nesime tatbul , stan zdonik. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: vxmlr : a visual xml-relational database system. authors: aoying zhou , wenyun ji , shihui zheng , hongjun lu , yuqi liang , zengping tian , long zhang. venue: vldb. year: 2001", "productB": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: jiawei han , yongjian fu , yue huang , yandong cai , nick cercone. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: geominer : a system prototype for spatial data mining. authors: jiawei han , nebojsa stefanovic , krzysztof koperski. venue: sigmod conference. year: 1997", "productB": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: jiawei han , yongjian fu , yue huang , yandong cai , nick cercone. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: yue huang , yandong cai , yongjian fu , nick cercone , jiawei han. venue: sigmod conference. year: 1994", "productB": "title: dblearn : a system prototype for knowledge discovery in relational databases. authors: jiawei han , yongjian fu , yue huang , yandong cai , nick cercone. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: spatial hash-joins. authors: ming-ling lo , chinya v. ravishankar. venue: sigmod conference. year: 1996", "productB": "title: spatial joins using seeded trees. authors: ming-ling lo , chinya v. ravishankar. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: fast joins using join indices. authors: kenneth a. ross , zhe li. venue: vldb j.. year: 1999", "productB": "title: spatial joins using seeded trees. authors: ming-ling lo , chinya v. ravishankar. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: spatial hash-joins. authors: ming-ling lo , chinya v. ravishankar. venue: sigmod conference. year: 1996", "productB": "title: spatial operators. authors: eliseo clementini , paolino di felice. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: information director 's message. authors: alberto o. mendelzon. venue: sigmod record. year: 2000", "productB": "title: information visualization. authors: tiziana catarci , isabel f. cruz. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: normalization in oodb design. authors: byung suk lee. venue: sigmod record. year: 1995", "productB": "title: information visualization. authors: tiziana catarci , isabel f. cruz. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: plan-per-tuple optimization solution - parallel execution of expensive user-defined functions. authors: felipe cari\u00f1o , william o'connell. venue: vldb. year: 1998", "productB": "title: plan-per-tuple optimization solution - parallel execution of expensive user-defined functions. authors: felipe cari ñ o , william o'connell. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: bypassing joins in disjunctive queries. authors: alfons kemper , guido moerkotte , klaus peithner , michael steinbrunn. venue: vldb. year: 1995", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a. kemper , g. moerkotte , k. peithner , m. steinbrunn. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: optimizing queries over multimedia repositories. authors: luis gravano , surajit chaudhuri. venue: sigmod conference. year: 1996", "productB": "title: optimizing disjunctive queries with expensive predicates. authors: a. kemper , g. moerkotte , k. peithner , m. steinbrunn. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: dbcache : database caching for web application servers. authors: sailesh krishnamurthy , c. mohan , larry brown , hamid pirahesh , mehmet altinel , honguk woo , qiong luo , bruce g. lindsay. venue: sigmod conference. year: 2002", "productB": "title: caching technologies for web applications. authors: c. mohan. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: application servers and associated technologies. authors: c. mohan. venue: vldb. year: 2002", "productB": "title: caching technologies for web applications. authors: c. mohan. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: dbcache : database caching for web application servers. authors: sailesh krishnamurthy , c. mohan , larry brown , hamid pirahesh , mehmet altinel , honguk woo , qiong luo , bruce g. lindsay. venue: sigmod conference. year: 2002", "productB": "title: form-based proxy caching for database-backed web sites. authors: qiong luo , jeffrey f. naughton. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: middle-tier database caching for e-business. authors: hamid pirahesh , c. mohan , jeffrey f. naughton , sailesh krishnamurthy , honguk woo , qiong luo , bruce g. lindsay. venue: sigmod conference. year: 2002", "productB": "title: form-based proxy caching for database-backed web sites. authors: qiong luo , jeffrey f. naughton. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: the network is the database : data management for highly distributed systems. authors: michael j. wynblatt , julio c. navas. venue: sigmod conference. year: 2001", "productB": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodr í guez-mart í nez , nick roussopoulos. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: mariposa : a wide-area distributed database system. authors: carl staelin , paul m. aoki , witold litwin , michael stonebraker , adam sah , jeff sidell , andrew yu , avi pfeffer. venue: vldb j.. year: 1996", "productB": "title: mocha : a self-extensible database middleware system for distributed data sources. authors: manuel rodr í guez-mart í nez , nick roussopoulos. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: data mining using two-dimensional optimized association rules : scheme , algorithms , and visualization. authors: takeshi fukuda , yasukiko morimoto , shinichi morishita , takeshi tokuyama. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: fast algorithms for mining association rules in large databases. authors: ramakrishnan srikant , rakesh agrawal. venue: vldb. year: 1994", "productB": "title: efficient algorithms for mining outliers from large data sets. authors: sridhar ramaswamy , rajeev rastogi , kyuseok shim. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: temporal slicing in the evaluation of xml queries. authors: richard t. snodgrass , dengfeng gao. venue: vldb. year: 2003", "productB": "title: adaptable query optimization and evaluation in temporal middleware. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: optimization of dynamic query evaluation plans. authors: goetz graefe , richard l. cole. venue: sigmod conference. year: 1994", "productB": "title: adaptable query optimization and evaluation in temporal middleware. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: adaptable query optimization and evaluation in temporal middleware. authors: christian s. jensen , richard t. snodgrass , giedrius slivinskas. venue: sigmod conference. year: 2001", "productB": "title: adaptable query optimization and evaluation in temporal middleware. authors: giedrius slivinskas , christian s. jensen , richard thomas snodgrass. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: roadrunner : towards automatic data extraction from large web sites. authors: giansalvatore mecca , valter crescenzi , paolo merialdo. venue: vldb. year: 2001", "productB": "title: roadrunner : towards automatic data extraction from large web sites. authors: valter crescenzi , giansalvatore mecca , paolo merialdo. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: semantic b2b integration : issues in ontology-based applications. authors: zhan cui , paul o'brien , dean m. jones. venue: sigmod record. year: 2002", "productB": "title: semantic b2b integration. authors: christoph bussler. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: a critique of ansi sql isolation levels. authors: philip a. bernstein , patrick e. o'neil , hal berenson , elizabeth j. o'neil , jim melton , jim gray. venue: sigmod conference. year: 1995", "productB": "title: a critique of ansi sql isolation levels. authors: hal berenson , phil bernstein , jim gray , jim melton , elizabeth o'neil , patrick o'neil. venue: international conference on management of data. year: 1995", "same": true} +{"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: hal berenson , phil bernstein , jim gray , jim melton , elizabeth o'neil , patrick o'neil. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: a critique of ansi sql isolation levels. authors: philip a. bernstein , patrick e. o'neil , hal berenson , elizabeth j. o'neil , jim melton , jim gray. venue: sigmod conference. year: 1995", "productB": "title: a survey and critique of advanced transaction models. authors: c. mohan. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: gigascope : a stream database for network applications. authors: theodore johnson , charles d. cranor , oliver spatscheck , vladislav shkapenyuk. venue: sigmod conference. year: 2003", "productB": "title: acdn : a content delivery network for applications. authors: pradnya karbhari , michael rabinovich , zhen xiao , fred douglis. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: database techniques for the world-wide web : a survey. authors: daniela florescu , alberto o. mendelzon , alon y. levy. venue: sigmod record. year: 1998", "productB": "title: w3qs : a query system for the world-wide web. authors: david konopnicki , oded shmueli. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: information gathering in the world-wide web : the w3ql query language and the w3qs system. authors: david konopnicki , oded shmueli. venue: acm trans . database syst .. year: 1998", "productB": "title: w3qs : a query system for the world-wide web. authors: david konopnicki , oded shmueli. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: data model for extensible support of explicit relationships in design databases. authors: joan peckham , bonnie mackellar , michael doherty. venue: vldb j.. year: 1995", "productB": "title: data compression support in databases. authors: balakrishna r. iyer , david wilhite. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: data model for extensible support of explicit relationships in design databases. authors: joan peckham , bonnie mackellar , michael doherty. venue: vldb j.. year: 1995", "productB": "title: data model for extensible support of explicit relationships in design databases. authors: joan peckham , bonnie mackellar , michael doherty. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: database research at the university of illinois at urbana-champaign. authors: chengxiang zhai , marianne winslett , yuanyuan zhou , kevin chen-chuan chang , jiawei han , anhai doan. venue: sigmod record. year: 2002", "productB": "title: database research at the indian institute of technology , bombay. authors: d. b. phatak , n. l. sarda , s. seshadri , s. sudarshan. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: database research at the indian institute of technology , bombay. authors: s. seshadri , nandlal l. sarda , d. b. phatak , s. sudarshan. venue: sigmod record. year: 1996", "productB": "title: database research at the indian institute of technology , bombay. authors: d. b. phatak , n. l. sarda , s. seshadri , s. sudarshan. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: database research at ut arlington. authors: sharma chakravarthy , y. alp aslandogan , ramez elmasri , leonidas fegaras , jung-hwan oh. venue: sigmod record. year: 2003", "productB": "title: database research at the indian institute of technology , bombay. authors: d. b. phatak , n. l. sarda , s. seshadri , s. sudarshan. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: emancipating instances from the tyranny of classes in information modeling. authors: jeffrey parsons , yair wand. venue: acm trans . database syst .. year: 2000", "productB": "title: emancipating instances from the tyranny of classes in information modeling. authors: jeffrey parsons , yair wand. venue: acm transactions on database systems ( tods ). year: 2000", "same": true} +{"productA": "title: a structured approach for the definition of the semantics of active databases. authors: letizia tanca , piero fraternali. venue: acm trans . database syst .. year: 1995", "productB": "title: composite events for active databases : semantics , contexts and detection. authors: sharma chakravarthy , v. krishnaprasad , eman anwar , s.-k . kim. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: a structured approach for the definition of the semantics of active databases. authors: letizia tanca , piero fraternali. venue: acm trans . database syst .. year: 1995", "productB": "title: an approach for building secure database federations. authors: dirk jonscher , klaus r. dittrich. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: an open storage system for abstract objects. authors: lukas relly , stephen blott , hans-j\u00f6rg schek. venue: sigmod conference. year: 1996", "productB": "title: an open abstract-object storage system. authors: stephen blott , lukas relly , hans-j ö rg schek. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: the lotus notes storage system. authors: kenneth moore. venue: sigmod conference. year: 1995", "productB": "title: an open abstract-object storage system. authors: stephen blott , lukas relly , hans-j ö rg schek. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: view maintenance in a warehousing environment. authors: jennifer widom , hector garcia-molina , yue zhuge , joachim hammer. venue: sigmod conference. year: 1995", "productB": "title: aggregate-query processing in data warehousing environments. authors: ashish gupta , venky harinarayan , dallan quass. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: vldb. year: 1995", "productB": "title: aggregate-query processing in data warehousing environments. authors: ashish gupta , venky harinarayan , dallan quass. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: view maintenance in a warehousing environment. authors: jennifer widom , hector garcia-molina , yue zhuge , joachim hammer. venue: sigmod conference. year: 1995", "productB": "title: performance issues in incremental warehouse maintenance. authors: wilburt labio , jun yang , yingwei cui , hector garcia-molina , jennifer widom. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: adaptable pointer swizzling strategies in object bases : design , realization , and quantitative analysis. authors: alfons kemper , donald kossmann. venue: vldb j.. year: 1995", "productB": "title: dual-buffering strategies in object bases. authors: alfons kemper , donald kossmann. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: integrating sql databases with content-specific search engines. authors: stefan de\u00dfloch , nelson mendon\u00e7a mattos. venue: vldb. year: 1997", "productB": "title: integrating reliable memory in databases. authors: wee teck ng , peter m. chen. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": false} +{"productA": "title: odmg-93 : a standard for object-oriented dbmss. authors: r. g. g. cattell. venue: sigmod conference. year: 1994", "productB": "title: metu object-oriented dbms. authors: asuman dogac , budak arpinar , cem evrendilek , cetin ozkan , ilker altintas , ilker durusoy , mehmet altinel , tansel okay , yuksel saygin. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: object-oriented features of db2 client/server. authors: hamid pirahesh. venue: sigmod conference. year: 1994", "productB": "title: metu object-oriented dbms. authors: asuman dogac , budak arpinar , cem evrendilek , cetin ozkan , ilker altintas , ilker durusoy , mehmet altinel , tansel okay , yuksel saygin. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2001", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: what will be - book review. authors: paul w. p. j. grefen. venue: sigmod record. year: 2002", "productB": "title: book reviews. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: agflow : agent-based cross-enterprise workflow management system. authors: boualem benatallah , anne h. h. ngu , phuong nguyen , liangzhao zeng. venue: vldb. year: 2001", "productB": "title: the mentor workbench for enterprise-wide workflow management. authors: dirk wodtke , jeanine weissenfels , gerhard weikum , angelika kotz dittrich , peter muth. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: workflow history management. authors: pinar koksal , sena nural arpinar , asuman dogac. venue: sigmod record. year: 1998", "productB": "title: the mentor workbench for enterprise-wide workflow management. authors: dirk wodtke , jeanine weissenfels , gerhard weikum , angelika kotz dittrich , peter muth. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: report in isdo ' 00 : the caise * 00 workshop on infrastructures for dynamic business-to-business service outsourcinga. authors: paul w. p. j. grefen , heiko ludwig. venue: sigmod record. year: 2000", "productB": "title: report on isdo ' 00 : the caise * 00 workshop on infrastructures for dynamic business-to-business service outsourcing. authors: heiko ludwig , paul grefen. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: declare and sds : early efforts to commercialize deductive database technology. authors: werner strau\u00df , gerhard d\u00fcnzinger , werner kie\u00dfling , helmut schmidt. venue: vldb j.. year: 1994", "productB": "title: declare and sds : early efforts to commercialize deductive database technology. authors: werner kie ß ling , helmut schmidt , werner strau ß , gerhard d ü nzinger. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": true} +{"productA": "title: building database-driven electronic catalogs. authors: sherif danish. venue: sigmod record. year: 1998", "productB": "title: enabling dynamic content caching for database-driven web sites. authors: k. sel ç uk candan , wen-syan li , qiong luo , wang-pin hsiung , divyakant agrawal. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: indexing multimedia databases ( tutorial ). authors: christos faloutsos. venue: sigmod conference. year: 1995", "productB": "title: indexing multiple sets. authors: christoph kilger , guido moerkotte. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: report on the 8th international workshop on knowledge representation meets databases ( krdb ). authors: dan suciu , maurizio lenzerini , daniele nardi , werner nutt. venue: sigmod record. year: 2001", "productB": "title: intelligent access to heterogeneous information sources : report on the 4th workshop on knowledge representation meets databases. authors: franz baader , manfred a. jeusfeld , werner nutt. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: king-ip lin , h. v. jagadish , christos faloutsos. venue: vldb j.. year: 1994", "productB": "title: the design of a retrieval technique for high-dimensional data on tertiary storage. authors: ratko orlandic , jack lukaszuk , craig swietlik. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: king-ip lin , h. v. jagadish , christos faloutsos. venue: vldb j.. year: 1994", "productB": "title: d ( k ) - index : an adaptive structural summary for graph-structured data. authors: qun chen , andrew lim , kian win ong. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: adaptive index structures. authors: yufei tao , dimitris papadias. venue: vldb. year: 2002", "productB": "title: d ( k ) - index : an adaptive structural summary for graph-structured data. authors: qun chen , andrew lim , kian win ong. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: the tv-tree : an index structure for high-dimensional data. authors: king-ip lin , h. v. jagadish , christos faloutsos. venue: vldb j.. year: 1994", "productB": "title: epsilon grid order : an algorithm for the similarity join on massive high-dimensional data. authors: christian b ö hm , bernhard braunm ü ller , florian krebs , hans-peter kriegel. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: parallel algorithms for high-dimensional similarity joins for data mining applications. authors: rakesh agrawal , john c. shafer. venue: vldb. year: 1997", "productB": "title: epsilon grid order : an algorithm for the similarity join on massive high-dimensional data. authors: christian b ö hm , bernhard braunm ü ller , florian krebs , hans-peter kriegel. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: resource scheduling in enhanced pay-per-view continuous media databases. authors: banu \u00f6zden , minos n. garofalakis , abraham silberschatz. venue: vldb. year: 1997", "productB": "title: real-time database - similarity and resource scheduling. authors: tei-wei kuo , aloysius k. mok. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: optimization of queries with user-defined predicates. authors: kyuseok shim , surajit chaudhuri. venue: acm trans . database syst .. year: 1999", "productB": "title: hypergraph based reorderings of outer join queries with complex predicates. authors: gautam bhargava , piyush goel , bala iyer. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: quality of service in multimedia digital libraries. authors: elisa bertino , ahmed k. elmagarmid , mohand-said hacid. venue: sigmod record. year: 2001", "productB": "title: digital library services in mobile computing. authors: bharat bhargava , melliyal annamalai , evaggelia pitoura. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: view maintenance in mobile computing. authors: ouri wolfson , kailash narayanan , son dao , ramya raj , a. prasad sistla. venue: sigmod record. year: 1995", "productB": "title: digital library services in mobile computing. authors: bharat bhargava , melliyal annamalai , evaggelia pitoura. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: ambuj k. singh , kothuri venkata ravi kanth , divyakant agrawal. venue: sigmod conference. year: 1998", "productB": "title: proximity search in databases. authors: roy goldman , narayanan shivakumar , suresh venkatasubramanian , hector garcia-molina. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: petabyte databases. authors: dirk d\u00fcllmann. venue: sigmod conference. year: 1999", "productB": "title: proximity search in databases. authors: roy goldman , narayanan shivakumar , suresh venkatasubramanian , hector garcia-molina. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: dimensionality reduction for similarity searching in dynamic databases. authors: ambuj k. singh , kothuri venkata ravi kanth , divyakant agrawal. venue: sigmod conference. year: 1998", "productB": "title: fast similarity search in the presence of noise , scaling , and translation in time-series databases. authors: rakesh agrawal , king-ip lin , harpreet s. sawhney , kyuseok shim. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: a research status report on adaptation for mobile data access. authors: brian noble , mahadev satyanarayanan. venue: sigmod record. year: 1995", "productB": "title: data replication for mobile computers. authors: yixiu huang , prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: cache invalidation scheme for mobile computing systems with real-time data. authors: hei-wing leung , joe chun-hung yuen , edward chan , kam-yiu lam. venue: sigmod record. year: 2000", "productB": "title: data replication for mobile computers. authors: yixiu huang , prasad sistla , ouri wolfson. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: index nesting - an efficient approach to indexing in object-oriented databases. authors: jiawei han , beng chin ooi , hongjun lu , kian-lee tan. venue: vldb j.. year: 1996", "productB": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: updates for structure indexes. authors: jeffrey f. naughton , pradeep shenoy , raghav kaushik , philip bohannon. venue: vldb. year: 2002", "productB": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: combining multi-visual features for efficient indexing in a large image database. authors: quan z. sheng , anne h. h. ngu , ron lei , du q. huynh. venue: vldb j.. year: 2001", "productB": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: structural matching and discovery in document databases. authors: jason tsong-li wang , george jyh-shian chang , dennis shasha , girish patel , kaizhong zhang , liam relihan. venue: sigmod conference. year: 1997", "productB": "title: efficient index structures for string databases. authors: tamer kahveci , ambuj k. singh. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: query optimization for xml. authors: jason mchugh , jennifer widom. venue: vldb. year: 1999", "productB": "title: rainbow : multi-xquery optimization using materialized xml views. authors: xin zhang , katica dimitrova , ling wang , maged el sayed , brian murphy , bradford pielech , mukesh mulchandani , luping ding , elke a. rundensteiner. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: xml document versioning. authors: carlo zaniolo , vassilis j. tsotras , shu-yao chien. venue: sigmod record. year: 2001", "productB": "title: xml document versioning. authors: shu yao chien , vassilis j. tsotras , carlo zaniolo. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: report on the 4th international conference on mobile data management. authors: panos k. chrysanthis , arkady b. zaslavsky , morris sloman. venue: sigmod record. year: 2003", "productB": "title: report on the 5th international workshop on knowledge representation meets databases ( krdb ' 98 ). authors: alex borgida , vinay k. chaudhri , martin staudt. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: report on the 4th international conference on mobile data management. authors: panos k. chrysanthis , arkady b. zaslavsky , morris sloman. venue: sigmod record. year: 2003", "productB": "title: report on the 18th british national conference on databases ( bncod ). authors: carole goble , brian read. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: ensuring consistency in multidatabases by preserving two-level serializability. authors: sharad mehrotra. venue: acm trans . database syst .. year: 1998", "productB": "title: ensuring consistency in multidatabases by preserving two-level serializability. authors: sharad mehrotra , rajeev rastogi , henry f. korth , abraham silberschatz. venue: acm transactions on database systems ( tods ). year: 1998", "same": true} +{"productA": "title: odefs : a file system interface to an object-oriented database. authors: narain h. gehani , william d. roome , h. v. jagadish. venue: vldb. year: 1994", "productB": "title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: georges gardarin , fei sha , zhao-hui tang. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: extracting large-scale knowledge bases from the web. authors: andrew tomkins , prabhakar raghavan , ravi kumar , sridhar rajagopalan. venue: vldb. year: 1999", "productB": "title: extracting large-scale knowledge bases from the web. authors: ravi kumar , prabhakar raghavan , sridhar rajagopalan , andrew tomkins. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dac khoa doan , alistair c. kilgour , norman w. paton. venue: sigmod record. year: 1995", "productB": "title: a user-centered interface for querying distributed multimedia databases. authors: isabel f. cruz , kimberly m. james. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: mpeg-7 standard for multimedia databases. authors: john r. smith. venue: sigmod conference. year: 2001", "productB": "title: a user-centered interface for querying distributed multimedia databases. authors: isabel f. cruz , kimberly m. james. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the power of languages for the manipulation of complex values. authors: serge abiteboul , catriel beeri. venue: vldb j.. year: 1995", "productB": "title: the power of languages for the manipulation of complex values. authors: serge abiteboul , catriel beeri. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: context-based prefetch for implementing objects on relations. authors: philip a. bernstein , david shutt , shankar pal. venue: vldb. year: 1999", "productB": "title: context-based prefetch for implementing objects on relations. authors: philip a. bernstein , shankar pal , david shutt. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: efficient mining of xml query patterns for caching. authors: liang huai yang , mong-li lee , wynne hsu. venue: vldb. year: 2003", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: prakash ramanan. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: minimization of tree pattern queries. authors: sihem amer-yahia , divesh srivastava , laks v. s. lakshmanan , sungran cho. venue: sigmod conference. year: 2001", "productB": "title: efficient algorithms for minimizing tree pattern queries. authors: prakash ramanan. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: efficient mining of xml query patterns for caching. authors: liang huai yang , mong-li lee , wynne hsu. venue: vldb. year: 2003", "productB": "title: efficiently mining long patterns from databases. authors: roberto j. bayardo , jr.. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: monitoring xml data on the web. authors: benjamin nguyen , serge abiteboul , gregory cobena , mihai preda. venue: sigmod conference. year: 2001", "productB": "title: monitoring xml data on the web. authors: benjamin nguyen , serge abiteboul , gr é gory cobena , miha í preda. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: mqseries and cics link for lotus notes. authors: ?. venue: sigmod record. year: 1996", "productB": "title: mqseries and cics link for lotus notes. authors: lotus development corp.. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: performance of data-parallel spatial operations. authors: hanan samet , erik g. hoel. venue: vldb. year: 1994", "productB": "title: performance of data-parallel spatial operations. authors: erik g. hoel , hanan samet. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: exact : an extensible approach to active object-oriented databases. authors: arturo jaime , oscar d\u00edaz. venue: vldb j.. year: 1997", "productB": "title: eos : an extensible object store. authors: alexandros biliris , euthimios panagos. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: amit shukla , jeffrey f. naughton , yihong zhao , prasad deshpande. venue: sigmod conference. year: 1998", "productB": "title: probabilistic optimization of top n queries. authors: donko donjerkovic , raghu ramakrishnan. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: parametric query optimization. authors: raymond t. ng , timos k. sellis , yannis e. ioannidis , kyuseok shim. venue: vldb j.. year: 1997", "productB": "title: probabilistic optimization of top n queries. authors: donko donjerkovic , raghu ramakrishnan. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: simultaneous optimization and evaluation of multiple dimensional queries. authors: amit shukla , jeffrey f. naughton , yihong zhao , prasad deshpande. venue: sigmod conference. year: 1998", "productB": "title: orthogonal optimization of subqueries and aggregation. authors: c é sar galindo-legaria , milind joshi. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: towards knowledge-based digital libraries. authors: manfred a. jeusfeld , ling feng , jeroen hoppenbrouwers. venue: sigmod record. year: 2001", "productB": "title: towards knowledge-based digital libraries. authors: ling feng , marfred a. jeusfeld , jeroen hoppenbrouwers. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: the microsoft database research group. authors: roger s. barga , david b. lomet , per-\u00e5ke larson , surajit chaudhuri , vivek r. narasayya. venue: sigmod record. year: 1998", "productB": "title: predator : a resource for database research. authors: praveen seshadri. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the asilomar report on database research. authors: gerald held , hector garcia-molina , michael lesk , jim gray , philip a. bernstein , david maier , h. v. jagadish , michael stonebraker , stefano ceri , joseph m. hellerstein , david j. dewitt , jeffrey d. ullman , michael l. brodie , jeffrey f. naughton , michael j. franklin , hamid pirahesh. venue: sigmod record. year: 1998", "productB": "title: predator : a resource for database research. authors: praveen seshadri. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: efficient and extensible algorithms for multi query optimization. authors: s. sudarshan , siddhesh bhobe , s. seshadri , prasan roy. venue: sigmod conference. year: 2000", "productB": "title: efficient mid-query re-optimization of sub-optimal query execution plans. authors: navin kabra , david j. dewitt. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: a case-based approach to information integration. authors: maurizio panti , alberto giretti , luca spalazzi. venue: vldb. year: 2000", "productB": "title: instance-based attribute identification in database integration. authors: cecil eng h. chua , roger h. l. chiang , ee-peng lim. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: a case-based approach to information integration. authors: maurizio panti , alberto giretti , luca spalazzi. venue: vldb. year: 2000", "productB": "title: model-based information integration in a neuroscience mediator system. authors: bertram lud ä scher , amarnath gupta , maryann e. martone. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: model-based information integration in a neuroscience mediator system. authors: bertram lud ä scher , amarnath gupta , maryann e. martone. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: intra-transaction parallelism in the mapping of an object model to a relational multi-processor system. authors: moira c. norrie , hans-j\u00f6rg schek , michael rys. venue: vldb. year: 1996", "productB": "title: intra-transaction parallelism in the mapping of an object model to a relational multi-processor system. authors: michael rys , moira c. norrie , hans-j ö rg schek. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: supporting efficient multimedia database exploration. authors: k. sel\u00e7uk candan , yoshinori hara , kyoji hirata , wen-syan li. venue: vldb j.. year: 2001", "productB": "title: facilitating multimedia database exploration through visual interfaces and perpetual query reformulations. authors: wen-syan li , k. sel ç uk candan , kyoji hirata , yoshinori hara. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: similarity query processing using disk arrays. authors: apostolos papadopoulos , yannis manolopoulos. venue: sigmod conference. year: 1998", "productB": "title: query processing techniques for arrays. authors: arunprasad p. marathe , kenneth salem. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: what do those weird xml types want , anyway ?. authors: steven j. derose. venue: vldb. year: 1999", "productB": "title: what do those weird xml types want , anyway ?. authors: steven j. derose. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: indexing large metric spaces for similarity search queries. authors: z. meral \u00f6zsoyoglu , tolga bozkaya. venue: acm trans . database syst .. year: 1999", "productB": "title: indexing very high-dimensional sparse and quasi-sparse vectors for similarity searches. authors: changzhou wang , x. sean wang. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: integrating reliable memory in databases. authors: peter m. chen , wee teck ng. venue: vldb j.. year: 1998", "productB": "title: logical and physical versioning in main memory databases. authors: rajeev rastogi , s. seshadri , philip bohannon , dennis w. leinbaugh , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: query processing in tertiary memory databases. authors: sunita sarawagi. venue: vldb. year: 1995", "productB": "title: logical and physical versioning in main memory databases. authors: rajeev rastogi , s. seshadri , philip bohannon , dennis w. leinbaugh , abraham silberschatz , s. sudarshan. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: nearest neighbor queries. authors: stephen kelley , fr\u00e9d\u00e9ic vincent , nick roussopoulos. venue: sigmod conference. year: 1995", "productB": "title: optimal multi-step k-nearest neighbor search. authors: thomas seidl , hans-peter kriegel. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: fast nearest neighbor search in medical image databases. authors: zenon protopapas , christos faloutsos , eliot siegel , flip korn , nikolaos sidiropoulos. venue: vldb. year: 1996", "productB": "title: optimal multi-step k-nearest neighbor search. authors: thomas seidl , hans-peter kriegel. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: mariposa : a wide-area distributed database system. authors: carl staelin , paul m. aoki , witold litwin , michael stonebraker , adam sah , jeff sidell , andrew yu , avi pfeffer. venue: vldb j.. year: 1996", "productB": "title: smooth - a distributed multimedia database system. authors: harald kosch , l á szl ó b ö sz ö rm é nyi , alexander bachlechner , christian hanin , christian hofbauer , margit lang , carmen riedler , roland tusch. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: revisiting commit processing in distributed database systems. authors: krithi ramamritham , jayant r. haritsa , ramesh gupta. venue: sigmod conference. year: 1997", "productB": "title: smooth - a distributed multimedia database system. authors: harald kosch , l á szl ó b ö sz ö rm é nyi , alexander bachlechner , christian hanin , christian hofbauer , margit lang , carmen riedler , roland tusch. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: algorithms for querying by spatial structure. authors: nikos mamoulis , dimitris papadias , vasilis delis. venue: vldb. year: 1998", "productB": "title: algorithms for querying by spatial structure. authors: dimitris papadias , nikos mamoulis , vasilis delis. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: architectures for internal web services deployment. authors: oded shmueli. venue: vldb. year: 2001", "productB": "title: architectures for internal web services deployment. authors: oded shmueli. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: proxy-server architectures for olap. authors: panos kalnis , dimitris papadias. venue: sigmod conference. year: 2001", "productB": "title: architectures for internal web services deployment. authors: oded shmueli. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: demet aksoy , mehmet altinel , stanley b. zdonik , thomas baby , william shapiro , michael j. franklin. venue: sigmod conference. year: 1999", "productB": "title: dbis-toolkit : adaptable middleware for large scale data delivery. authors: mehmet altinel , demet aksoy , thomas baby , michael franklin , william shapiro , stan zdonik. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: probabilistic object bases. authors: thomas eiter , v. s. subrahmanian , thomas lukasiewicz , james j. lu. venue: acm trans . database syst .. year: 2001", "productB": "title: probabilistic temporal databases , i : algebra. authors: alex dekhtyar , robert ross , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: a probabilistic relational model and algebra. authors: debabrata dey , sumit sarkar. venue: acm trans . database syst .. year: 1996", "productB": "title: probabilistic temporal databases , i : algebra. authors: alex dekhtyar , robert ross , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: managing multiple and distributed ontologies on the semantic web. authors: boris motik , alexander maedche , ljiljana stojanovic. venue: vldb j.. year: 2003", "productB": "title: the ρ operator : discovering and ranking associations on the semantic web. authors: kemafor anyanwu , amit sheth. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: incremental distance join algorithms for spatial databases. authors: g\u00edsli r. hjaltason , hanan samet. venue: sigmod conference. year: 1998", "productB": "title: distance browsing in spatial databases. authors: g í sli r. hjaltason , hanan samet. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: semantic integration of environmental models for application to global information systems and decision-making. authors: d. scott mackay. venue: sigmod record. year: 1999", "productB": "title: uis-management of data and services in the environmental information systems of baden-w ü rttemberg. authors: wolf-fritz riekert , roland mayer-f ö ll , gerlinde wiest. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: metu interoperable database system. authors: sema mancuhan , ismailcem budak arpinar , fatma ozcan , pinar koksal , asuman dogac , g\u00f6khan \u00f6zhan , cevdet dengi , ugur halici , cem evrendilek , sena nural , ebru kilic. venue: sigmod conference. year: 1996", "productB": "title: probview : a flexible probabilistic database system. authors: laks v. s. lakshmanan , nicola leone , robert ross , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: probabilistic temporal databases , i : algebra. authors: alex dekhtyar , robert ross , v. s. subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: probview : a flexible probabilistic database system. authors: laks v. s. lakshmanan , nicola leone , robert ross , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 1997", "same": false} +{"productA": "title: the nd-tree : a dynamic indexing technique for multidimensional non-ordered discrete data spaces. authors: gang qian , qiang xue , sakti pramanik , qiang zhu. venue: vldb. year: 2003", "productB": "title: the x-tree : an index structure for high-dimensional data. authors: stefan berchtold , daniel a. keim , hans-peter kriegel. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: databases and visualization. authors: daniel a. keim. venue: sigmod conference. year: 1996", "productB": "title: dynamic information visualization. authors: yannis e. ioannidis. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: visual web information extraction with lixto. authors: georg gottlob , robert baumgartner , sergio flesca. venue: vldb. year: 2001", "productB": "title: dynamic information visualization. authors: yannis e. ioannidis. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: a predicate-based caching scheme for client-server database architectures. authors: julie basu , arthur m. keller. venue: vldb j.. year: 1996", "productB": "title: a predicate-based caching scheme for client-server database architectures. authors: arthur m. keller , julie basu. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": true} +{"productA": "title: describing and using query capabilities of heterogeneous sources. authors: yannis papakonstantinou , vasilis vassalos. venue: vldb. year: 1997", "productB": "title: describing and using query capabilities of heterogeneous sources. authors: vasilis vassalos , yannis papakonstantinou. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: streaming queries over streaming data. authors: michael j. franklin , sirish chandrasekaran. venue: vldb. year: 2002", "productB": "title: continuous queries over data streams. authors: shivnath babu , jennifer widom. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: cost based query scrambling for initial delays. authors: tolga urhan , michael j. franklin , laurent amsaleg. venue: sigmod conference. year: 1998", "productB": "title: cost-based query scrambling for initial delays. authors: tolga urhan , michael j. franklin , laurent amsaleg. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: jenny chiang , ze-nian li , osmar r. za\u00efane , sonny h. chee , jiawei han. venue: sigmod conference. year: 1998", "productB": "title: mineset ( tm ) : a system for high-end data mining and visualization. authors: nan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: visdb : a system for visualizing large databases. authors: hans-peter kriegel , daniel a. keim. venue: sigmod conference. year: 1995", "productB": "title: mineset ( tm ) : a system for high-end data mining and visualization. authors: nan. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: multimediaminer : a system prototype for multimedia data mining. authors: jenny chiang , ze-nian li , osmar r. za\u00efane , sonny h. chee , jiawei han. venue: sigmod conference. year: 1998", "productB": "title: metadata for multimedia documents. authors: klemens b ö hm , thomas c. rakow. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: stream : the stanford stream data manager. authors: jennifer widom , mayur datar , shivnath babu , justin rosenstein , itaru nishizawa , arvind arasu , keith ito , brian babcock. venue: sigmod conference. year: 2003", "productB": "title: stream : the stanford stream data manager ( demonstration description ). authors: arvind arasu , brian babcock , shivnath babu , mayur datar , keith ito , itaru nishizawa , justin rosenstein , jennifer widom. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: an experimental system for object-based sharing in federated databases. authors: shahram ghandeharizadeh , doug fang. venue: vldb j.. year: 1996", "productB": "title: rainbow : distributed database system for classroom education and experimental research. authors: abdelsalam helal , hua li. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: distributed processing over stand-alone systems and applications. authors: claus hagen , hans-j\u00f6rg schek , gustavo alonso , markus tresch. venue: vldb. year: 1997", "productB": "title: databases and transaction processing : an application-oriented approach. authors: philip m. lewis , arthur bernstein , michael kifer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: enterprise transaction processing on windows nt. authors: greg hope. venue: sigmod conference. year: 1995", "productB": "title: databases and transaction processing : an application-oriented approach. authors: philip m. lewis , arthur bernstein , michael kifer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: cluster validity methods : part i. authors: michalis vazirgiannis , yannis batistakis , maria halkidi. venue: sigmod record. year: 2002", "productB": "title: clustering validity checking methods : part ii. authors: maria halkidi , yannis batistakis , michalis vazirgiannis. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: characterization of database access pattern for analytic prediction of buffer hit probability. authors: jen-yao chung , asit dan , philip s. yu. venue: vldb j.. year: 1995", "productB": "title: characterization of database access pattern for analytic prediction of buffer hit probability. authors: asit dan , philip s. yu , jen yao chung. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: duplicate removal in information system dissemination. authors: tak w. yan , hector garcia-molina. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: information integration : the momis project demonstration. authors: domenico beneventano , sonia bergamaschi , silvana castano , alberto corni , r. guidetti , g. malvezzi , michele melchiori , maurizio vincini. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: spotfire : an information exploration environment. authors: christopher ahlberg. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: infomaster : an information integration system. authors: arthur m. keller , michael r. genesereth , oliver m. duschka. venue: sigmod conference. year: 1997", "productB": "title: an adaptive query execution system for data integration. authors: zachary g. ives , daniela florescu , marc friedman , alon levy , daniel s. weld. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: aqr-toolkit : an adaptive query routing middleware for distributed data intensive systems. authors: henrique paques , wei tang , calton pu , wei han , ling liu , david buttler. venue: sigmod conference. year: 2000", "productB": "title: an adaptive query execution system for data integration. authors: zachary g. ives , daniela florescu , marc friedman , alon levy , daniel s. weld. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: diag-join : an opportunistic join algorithm for 1 : n relationships. authors: sven helmer , guido moerkotte , till westmann. venue: vldb. year: 1998", "productB": "title: diag-join : an opportunistic join algorithm for 1 : n relationships. authors: sven helmer , till westmann , guido moerkotte. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: turmoil at nasa , and numerous funding announcements. authors: xiaolei qian. venue: sigmod record. year: 1995", "productB": "title: turmoil at nasa , and numerous funding announcements. authors: xiaolei qian. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: analysis of navigation behaviour in web sites integrating multiple information systems. authors: myra spiliopoulou , bettina berendt. venue: vldb j.. year: 2000", "productB": "title: staggered striping in multimedia information systems. authors: steven berson , shahram ghandeharizadeh , richard muntz , xiangyu ju. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: efficient query processing for multi-dimensionally clustered tables in db2. authors: matthew huras , leslie cranston , bishwaranjan bhattacharjee , sriram padmanabhan , timothy malkemus , tony lai. venue: vldb. year: 2003", "productB": "title: contorting high dimensional data for efficient main memory knn processing. authors: bin cui , beng chin ooi , jianwen su , kian-lee tan. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: data mining : concepts and techniques - book review. authors: fernando berzal galiano , nicol\u00e1s mar\u00edn. venue: sigmod record. year: 2002", "productB": "title: data mining : concepts and techniques by jiawei han and micheline kamber. authors: fernando berzal , nicolf á s mat í n. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: memex : a browsing assistant for collaborative archiving and mining of surf trails. authors: mallela subramanyam , mitul tiwari , sandeep srivastava , soumen chakrabarti. venue: vldb. year: 2000", "productB": "title: memex : a browsing assistant for collaborative archiving and mining of surf trails. authors: soumen chakrabarti , sandeep srivastava , mallela subramanyam , mitul tiwari. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: the cougar approach to in-network query processing in sensor networks. authors: johannes gehrke , yong yao. venue: sigmod record. year: 2002", "productB": "title: the design of an acquisitional query processor for sensor networks. authors: samuel madden , michael j. franklin , joseph m. hellerstein , wei hong. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: the design of an acquisitional query processor for sensor networks. authors: samuel madden , wei hong , joseph m. hellerstein , michael j. franklin. venue: sigmod conference. year: 2003", "productB": "title: the design of an acquisitional query processor for sensor networks. authors: samuel madden , michael j. franklin , joseph m. hellerstein , wei hong. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: scalable feature selection , classification and signature generation for organizing large text databases into hierarchical topic taxonomies. authors: prabhakar raghavan , byron dom , rakesh agrawal , soumen chakrabarti. venue: vldb j.. year: 1998", "productB": "title: scalable feature selection , classification and signature generation for organizing large text databases into hierarchical topic taxonomies. authors: soumen chakrabarti , byron dom , rakesh agrawal , prabhakar raghavan. venue: the vldb journal -- the international journal on very large data bases. year: 1998", "same": true} +{"productA": "title: a framework for providing consistent and recoverable agent-based access to heterogeneous in mobile databases. authors: bharat k. bhargava , evaggelia pitoura. venue: sigmod record. year: 1995", "productB": "title: hodfa : an architectural framework for homogenizing heterogeneous legacy databases. authors: kamalakar karlapalem , qing li , chung-dak shum. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: maintenance of data cubes and summary tables in a warehouse. authors: inderpal singh mumick , dallan quass , barinderpal singh mumick. venue: sigmod conference. year: 1997", "productB": "title: the whips prototype for data warehouse creation and maintenance. authors: wilburt j. labio , yue zhuge , janet l. wiener , himanshu gupta , h é ctor garc í a-molina , jennifer widom. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: exploiting versions for on-line data warehouse maintenance in molap servers. authors: heum-geun kang , chin-wan chung. venue: vldb. year: 2002", "productB": "title: the whips prototype for data warehouse creation and maintenance. authors: wilburt j. labio , yue zhuge , janet l. wiener , himanshu gupta , h é ctor garc í a-molina , jennifer widom. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: aggregate maintenance for data warehousing in informix red brick vista. authors: latha s. colby , gopal mulagund , richard l. cole , craig j. bunker , william j. mckenna , david wilhite. venue: vldb. year: 2001", "productB": "title: the whips prototype for data warehouse creation and maintenance. authors: wilburt j. labio , yue zhuge , janet l. wiener , himanshu gupta , h é ctor garc í a-molina , jennifer widom. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: maintenance of data cubes and summary tables in a warehouse. authors: inderpal singh mumick , dallan quass , barinderpal singh mumick. venue: sigmod conference. year: 1997", "productB": "title: maintenance of cube automatic summary tables. authors: wolfgang lehner , richard sidle , hamid pirahesh , roberta wolfgang cochrane. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: thinksheet : a tool for tailoring complex documents. authors: dao-i lin , peter piatko , roman yangarber , dennis shasha. venue: sigmod conference. year: 1996", "productB": "title: thinksheet : a tool for tailoring complex documents. authors: peter piatko , roman yangarber , daoi lin , dennis shasha. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: indexing images in oracle8i. authors: melliyal annamalai , samuel defazio , rajiv chopra. venue: sigmod conference. year: 2000", "productB": "title: indexing images in oracle8i. authors: melliyal annamalai , rajiv chopra , samuel defazio , susan mavris. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: indexing images in oracle8i. authors: melliyal annamalai , samuel defazio , rajiv chopra. venue: sigmod conference. year: 2000", "productB": "title: checkpointing in oracle. authors: ashok joshi , william bridge , juan loaiza , tirthankar lahiri. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: a performance evaluation of oid mapping techniques. authors: andr\u00e9 eickler , carsten andreas gerlhof , donald kossmann. venue: vldb. year: 1995", "productB": "title: an evaluation of generic bulk loading techniques. authors: jochen van den bercken , bernhard seeger. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: a performance evaluation of oid mapping techniques. authors: andr\u00e9 eickler , carsten andreas gerlhof , donald kossmann. venue: vldb. year: 1995", "productB": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: chim-fu yeung , sheung-lun hung , kam-yiu lam. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: chim-fu yeung , kam-yiu lam , sheung-lun hung. venue: sigmod record. year: 1994", "productB": "title: performance evaluation of a new distributed deadlock detection algorithm. authors: chim-fu yeung , sheung-lun hung , kam-yiu lam. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: a performance evaluation of oid mapping techniques. authors: andr\u00e9 eickler , carsten andreas gerlhof , donald kossmann. venue: vldb. year: 1995", "productB": "title: fast evaluation techniques for complex similarity queries. authors: klemens b ö hm , michael mlivoncic , hans-j ö rg schek , roger weber. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: composing xsl transformations with xml publishing views. authors: chengkai li , p. p. s. narayan , henry f. korth , philip bohannon. venue: sigmod conference. year: 2003", "productB": "title: composing xsl transformations with xml publishing views. authors: chengkai li , philip bohannon , p. p. s. narayan. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: dtl 's dataspot : database exploration using plain language. authors: gadi entin , shai geva , shaul dar , eran palmon. venue: vldb. year: 1998", "productB": "title: dtl 's dataspot : database exploration using plain language. authors: shaul dar , gadi entin , shai geva , eran palmon. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: dtl 's dataspot : database exploration as easy as browsing the web. authors: gadi entin , shai geva , eran palmon , shaul dar. venue: sigmod conference. year: 1998", "productB": "title: dtl 's dataspot : database exploration using plain language. authors: shaul dar , gadi entin , shai geva , eran palmon. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: analysis of sigmod 's co-authorship graph. authors: mario a. nascimento , j\u00f6rg sander , jeffrey pound. venue: sigmod record. year: 2003", "productB": "title: analysis of sigmod 's co-authorship graph. authors: mario a. nascimento , j ö rg sander , jeffrey pound. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: the medusa project : autonomous data management in a shared-nothing parallel database machine. authors: george m. bryan , j. geyer , wayne e. moore , b. j. curry , k. w. lodge. venue: sigmod conference. year: 1994", "productB": "title: the medusa project : autonomous data management in a shared-nothing parallel database machine. authors: g. m. bryan , w. e. moore , b. j. curry , k. w. lodge , j. geyer. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: high-performance extensible indexing. authors: marcel kornacker. venue: vldb. year: 1999", "productB": "title: high-performance sorting on networks of workstations. authors: andrea c. arpaci-dusseau , remzi h. arpaci-dusseau , david e. culler , joseph m. hellerstein , david a. patterson. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: quest : a project on database mining. authors: ramakrishnan srikant , balakrishna r. iyer , christos faloutsos , arun n. swami , h. miranda , sakti p. ghosh , a. mahboob , maurice a. w. houtsma , michael j. carey , tomasz imielinski , rakesh agrawal. venue: sigmod conference. year: 1994", "productB": "title: quest : a project on database mining. authors: r. agrawal , m. carey , c. faloutsos , s. ghosh , m. houtsma , t. imieli ń ski , b. iyer , a. mahboob , h. miranda , r. srikant , a. swami. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: database principles column - introduction. authors: leonid libkin. venue: sigmod record. year: 1999", "productB": "title: database principles. authors: nan. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: cost models do matter : providing cost information for diverse data sources in a federated system. authors: mary tork roth , laura m. haas , fatma ozcan. venue: vldb. year: 1999", "productB": "title: cost models do matter : providing cost information for diverse data sources in a federated system. authors: mary tork roth , fatma ozcan , laura m. haas. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: the p operator : discovering and ranking associations on the semantic web. authors: kemafor anyanwu , amit p. sheth. venue: sigmod record. year: 2002", "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 data bases. year: 2003", "same": false} +{"productA": "title: the p operator : discovering and ranking associations on the semantic web. authors: kemafor anyanwu , amit p. sheth. venue: sigmod record. year: 2002", "productB": "title: composing web services on the semantic web. authors: brahim medjahed , athman bouguettaya , ahmed k. elmagarmid. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: agents , turst , and information access on the semantic web. authors: timothy w. finin , anupam joshi. venue: sigmod record. year: 2002", "productB": "title: composing web services on the semantic web. authors: brahim medjahed , athman bouguettaya , ahmed k. elmagarmid. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: dynamic update cube for range-sum queries. authors: seok-ju chun , ju-hong lee , seok-lyong lee , chin-wan chung. venue: vldb. year: 2001", "productB": "title: dynamic update cube for range-sum queries. authors: seok-ju chun , chin-wan chung , ju-hong lee , seok-lyong lee. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: hierarchical compact cube for range-max queries. authors: hua-gang li , sin yeung lee , tok wang ling. venue: vldb. year: 2000", "productB": "title: dynamic update cube for range-sum queries. authors: seok-ju chun , chin-wan chung , ju-hong lee , seok-lyong lee. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: approximating multi-dimensional aggregate range queries over real attributes. authors: carlotta domeniconi , vassilis j. tsotras , george kollios , dimitrios gunopulos. venue: sigmod conference. year: 2000", "productB": "title: approximate computation of multidimensional aggregates of sparse data using wavelets. authors: jeffrey scott vitter , min wang. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: guest editorial. authors: yannis e. ioannidis , raghu ramakrishnan , philip a. bernstein. venue: vldb j.. year: 2003", "productB": "title: guest editorial. authors: fabio casati , ming-chien shan , dimitrios georgakopoulos. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: guest editorial. authors: malcolm p. atkinson. venue: vldb j.. year: 2000", "productB": "title: guest editorial. authors: fabio casati , ming-chien shan , dimitrios georgakopoulos. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: composing web services on the semantic web. authors: athman bouguettaya , brahim medjahed , ahmed k. elmagarmid. venue: vldb j.. year: 2003", "productB": "title: learning to match ontologies on the semantic web. authors: anhai doan , jayant madhavan , robin dhamankar , pedro domingos , alon halevy. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": false} +{"productA": "title: composing web services on the semantic web. authors: athman bouguettaya , brahim medjahed , ahmed k. elmagarmid. venue: vldb j.. year: 2003", "productB": "title: the grid : an application of the semantic web. authors: carole goble , david de roure. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: memory-contention responsive hash joins. authors: goetz graefe , diane l. davison. venue: vldb. year: 1994", "productB": "title: memory-contention responsive hash joins. authors: diane l. davison , goetz graefe. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: near neighbor search in large metric spaces. authors: sergey brin. venue: vldb. year: 1995", "productB": "title: indexing large metric spaces for similarity search queries. authors: tolga bozkaya , meral ozsoyoglu. venue: acm transactions on database systems ( tods ). year: 1999", "same": false} +{"productA": "title: alphasort : a risc machine sort. authors: david b. lomet , jim gray , zarka cvetanovic , chris nyberg , tom barclay. venue: sigmod conference. year: 1994", "productB": "title: alphasort : a risc machine sort. authors: chris nyberg , tom barclay , zarka cvetanovic , jim gray , dave lomet. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: david dewitt speaks out. authors: marianne winslett. venue: sigmod record. year: 2002", "productB": "title: jim gray speaks out. authors: marianne winslett. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: sqlem : fast clustering in sql using the em algorithm. authors: paul cereghini , carlos ordonez. venue: sigmod conference. year: 2000", "productB": "title: fast algorithms for projected clustering. authors: charu c. aggarwal , joel l. wolf , philip s. yu , cecilia procopiuc , jong soo park. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: using semantic values to falilitate interoperability among heterogeneous information systems. authors: edward sciore , michael siegel , arnon rosenthal. venue: acm trans . database syst .. year: 1994", "productB": "title: quality-driven integration of heterogenous information systems. authors: felix naumann , ulf leser , johann christoph freytag. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: automating physical database design in a parallel database. authors: chun zhang , guy m. lohman , jun rao , nimrod megiddo. venue: sigmod conference. year: 2002", "productB": "title: automating physical database design in a parallel database. authors: jun rao , chun zhang , nimrod megiddo , guy lohman. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: approximate query mapping : accounting for translation closeness. authors: hector garcia-molina , kevin chen-chuan chang. venue: vldb j.. year: 2001", "productB": "title: approximate query translation across heterogeneous information sources. authors: kevin chen-chuan chang , hector garcia-molina. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: approximate query translation across heterogeneous information sources. authors: hector garcia-molina , kevin chen-chuan chang. venue: vldb. year: 2000", "productB": "title: approximate query translation across heterogeneous information sources. authors: kevin chen-chuan chang , hector garcia-molina. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: density biased sampling : an improved method for data mining and clustering. authors: christopher r. palmer , christos faloutsos. venue: sigmod conference. year: 2000", "productB": "title: efficient and effective clustering methods for spatial data mining. authors: raymond t. ng , jiawei han. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: algorithms for deferred view maintenance. authors: leonid libkin , inderpal singh mumick , latha s. colby , howard trickey , timothy griffin. venue: sigmod conference. year: 1996", "productB": "title: on-line warehouse view maintenance. authors: dallan quass , jennifer widom. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: jim gray , goetz graefe. venue: sigmod record. year: 1997", "productB": "title: the five-minute rule ten years later , and other computer storage rules of thumb. authors: jim gray , goetz graefe. venue: acm sigmod record. year: 1997", "same": true} +{"productA": "title: catalog management in websphere commerce suite. authors: thomas maguire. venue: sigmod conference. year: 2001", "productB": "title: catalog management in websphere commerce suite. authors: thomas maguire. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2003", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: book review column. authors: karl aberer. venue: sigmod record. year: 2002", "productB": "title: book review column. authors: karl aberer. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: real-time index concurrency control. authors: s. seshadri , jayant r. haritsa. venue: sigmod record. year: 1996", "productB": "title: real-time index concurrency control. authors: jayant r. haritsa , s. seshadri. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: a performance study of transitive closure algorithms. authors: raghu ramakrishnan , shaul dar. venue: sigmod conference. year: 1994", "productB": "title: a performance study of transitive closure algorithms. authors: shaul dar , raghu ramakrishnan. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: random sampling for histogram construction : how much is enough ?. authors: vivek r. narasayya , rajeev motwani , surajit chaudhuri. venue: sigmod conference. year: 1998", "productB": "title: random sampling for histogram construction : how much is enough ?. authors: surajit chaudhuri , rajeev motwani , vivek narasayya. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: management of multidimensional discrete data. authors: peter baumann. venue: vldb j.. year: 1994", "productB": "title: sql and management of external data. authors: jim melton , jan-eike michels , vanja josifovski , krishna kulkarni , peter schwarz , kathy zeidenstein. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: sql and management of external data. authors: jan-eike michels , jim melton , krishna g. kulkarni , peter m. schwarz , kathy zeidenstein , vanja josifovski. venue: sigmod record. year: 2001", "productB": "title: sql and management of external data. authors: jim melton , jan-eike michels , vanja josifovski , krishna kulkarni , peter schwarz , kathy zeidenstein. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: dal\u00ed : a high performance main memory storage manager. authors: s. sudarshan , h. v. jagadish , rajeev rastogi , abraham silberschatz , daniel f. lieuwen. venue: vldb. year: 1994", "productB": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: datablitz : a high performance main-memory storage manager. authors: p. p. s. narayan , s. joshi , m. nemeth , abraham silberschatz , henry f. korth , a. khivesera , jerry baulier , s. sudarshan , philip bohannon , peter mcilroy , j. miller , s. gogate , rajeev rastogi , c. gupta. venue: vldb. year: 1998", "productB": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": false} +{"productA": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: vldb j.. year: 1995", "productB": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: dynamic memory adjustment for external mergesort. authors: weiye zhang , per-\u00e5ke larson. venue: vldb. year: 1997", "productB": "title: dynamic memory adjustment for external mergesort. authors: weiye zhang , per - Å ke larson. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: buffering and read-ahead strategies for external mergesort. authors: per-\u00e5ke larson , weiye zhang. venue: vldb. year: 1998", "productB": "title: dynamic memory adjustment for external mergesort. authors: weiye zhang , per - Å ke larson. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: qbi : query by icons. authors: antonio massari , panos k. chrysanthis , lorenzo saladini , stefano pavani. venue: sigmod conference. year: 1995", "productB": "title: qbi : query by icons. authors: antonio massari , stefano pavani , lorenzo saladini , panos k. chrysanthis. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: research issues for data communication in mobile ad-hoc network database systems. authors: leslie d. fife , le gruenwald. venue: sigmod record. year: 2003", "productB": "title: sigmod challenges paper : database issues in telecommunications network management. authors: ilsoo ahn. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: high-performance and scalability through application tier,in-memory data management. authors: ?. venue: vldb. year: 2000", "productB": "title: xmas : an extensible main-memory storage system for high-performance applications. authors: jang ho park , yong sik kwon , ki hong kim , sang ho lee , byoung dae park , sang kyun cha. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: template-based wrappers in the tsimmis system. authors: joachim hammer , hector garcia-molina , svetlozar nestorov , ramana yerneni , markus m. breunig , vasilis vassalos. venue: sigmod conference. year: 1997", "productB": "title: template-based wrappers in the tsimmis system. authors: joachim hammer , h é ctor garc í a-molina , svetlozar nestorov , ramana yerneni , marcus breunig , vasilis vassalos. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: optimization of dynamic query evaluation plans. authors: goetz graefe , richard l. cole. venue: sigmod conference. year: 1994", "productB": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: enabling end-users to construct data-intensive web-sites from xml repositories : an example-based approach. authors: hiroyuki kitagawa , satoshi takano , seiichi koizumi , atsuyuki morishima. venue: vldb. year: 2001", "productB": "title: enabling end-users to construct data-intensive web-sites from xml repositories : an example-based approach. authors: atsuyuki morishima , seiichi koizumi , hiroyuki kitagawa , satoshi takano. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: strudel : a web-site management system. authors: alon y. levy , mary f. fernandez , jaewoo kang , daniela florescu , dan suciu. venue: sigmod conference. year: 1997", "productB": "title: is web-site management a database problem ?. authors: daniela florescu , alon y. levy , dan suciu. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: mining quantitative association rules in large relational tables. authors: ramakrishnan srikant , rakesh agrawal. venue: sigmod conference. year: 1996", "productB": "title: an effective hash-based algorithm for mining association rules. authors: jong soo park , ming-syan chen , philip s. yu. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: mining the world wide web : an information search approach - book review. authors: aris m. ouksel. venue: sigmod record. year: 2002", "productB": "title: combining fuzzy information : an overview. authors: ronald fagin. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: mining the world wide web : an information search approach - book review. authors: aris m. ouksel. venue: sigmod record. year: 2002", "productB": "title: mining the world wide web : an information search approach by george chang , marcus j. healey ( editor ) , james a. m. mchugh , jason t. l. wang. authors: aris ouksel. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: incremental maintenance of views with duplicates. authors: leonid libkin , timothy griffin. venue: sigmod conference. year: 1995", "productB": "title: incremental maintenance of recursive views using relational calculus/sql. authors: guozhu dong , jianwen su. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: operator scheduling in a data stream manager. authors: michael stonebraker , mitch cherniack , donald carney , stanley b. zdonik , alex rasin , ugur \u00e7etintemel. venue: vldb. year: 2003", "productB": "title: chain : operator scheduling for memory minimization in data stream systems. authors: brian babcock , shivnath babu , rajeev motwani , mayur datar. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: agent-based semantic interoperability in infosleuth. authors: bruce bargmeyer , brad perry , jerry fowler , marian h. nodine. venue: sigmod record. year: 1999", "productB": "title: agent-based semantic interoperability in infosleuth. authors: jerry fowler , brad perry , marian nodine , bruce bargmeyer. venue: acm sigmod record. year: 1999", "same": true} +{"productA": "title: protdb : probabilistic data in xml. authors: andrew nierman , h. v. jagadish. venue: vldb. year: 2002", "productB": "title: probabilistic object bases. authors: thomas eiter , james j. lu , thomas lukasiewicz , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: probview : a flexible probabilistic database system. authors: nicola leone , robert ross , laks v. s. lakshmanan , v. s. subrahmanian. venue: acm trans . database syst .. year: 1997", "productB": "title: probabilistic object bases. authors: thomas eiter , james j. lu , thomas lukasiewicz , v. s. subrahmanian. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: multiway spatial joins. authors: dimitris papadias , nikos mamoulis. venue: acm trans . database syst .. year: 2001", "productB": "title: spatial hash-joins. authors: ming-ling lo , chinya v. ravishankar. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: the double life of the transaction abstraction : fundamental principle and evolving system concept. authors: henry f. korth. venue: vldb. year: 1995", "productB": "title: the double life of the transaction abstraction : fundamental principle and evolving system concept. authors: henry f. korth. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: optimizing queries on files. authors: tova milo , mariano p. consens. venue: sigmod conference. year: 1994", "productB": "title: inferring function semantics to optimize queries. authors: mitch cherniack , stanley b. zdonik. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: optimizing queries on files. authors: tova milo , mariano p. consens. venue: sigmod conference. year: 1994", "productB": "title: optimizing queries on compressed bitmaps. authors: sihem amer-yahia , theodore johnson. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: xquec : pushing queries to compressed xml data. authors: ioana manolescu , gianni costa , andrei arion , andrea pugliese , angela bonifati , sandra d'aguanno. venue: vldb. year: 2003", "productB": "title: optimizing queries on compressed bitmaps. authors: sihem amer-yahia , theodore johnson. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: metadata in video databases. authors: ramesh jain , arun hampapur. venue: sigmod record. year: 1994", "productB": "title: metadata in video databases. authors: ramesh jain , arun hampapur. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: networked data management design points. authors: james r. hamilton. venue: vldb. year: 1999", "productB": "title: spatial data management for computer aided design. authors: hans-peter kriegel , andreas m ü ller , marco p ö tke , thomas seidl. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: including group-by in query optimization. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 1994", "productB": "title: coloring away communication in parallel query optimization. authors: waqar hasan , rajeev motwani. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: optimization algorithms for exploiting the parallelism-communication tradeoff in pipelined parallelism. authors: waqar hasan , rajeev motwani. venue: vldb. year: 1994", "productB": "title: coloring away communication in parallel query optimization. authors: waqar hasan , rajeev motwani. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: searching and mining fine-grained semi-structured data. authors: soumen chakrabarti. venue: vldb. year: 2002", "productB": "title: describing semistructured data. authors: luca cardelli. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: meaningful change detection in structured data. authors: hector garcia-molina , sudarshan s. chawathe. venue: sigmod conference. year: 1997", "productB": "title: describing semistructured data. authors: luca cardelli. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: information rules. authors: dale a. stirling. venue: sigmod record. year: 2003", "productB": "title: information rules. authors: dale a. stirling. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: cost models for overlapping and multiversion structures. authors: yufei tao , jun zhang , dimitris papadias. venue: acm trans . database syst .. year: 2002", "productB": "title: cost models for overlapping and multiversion structures. authors: yufei tao , dimitris papadias , jun zhang. venue: acm transactions on database systems ( tods ). year: 2002", "same": true} +{"productA": "title: a practical and modular implementation of extended transaction models. authors: roger s. barga , calton pu. venue: vldb. year: 1995", "productB": "title: a practical and modular implementation of extended transaction models. authors: roger s. barga , calton pu. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: integrating contents and structure in text retrieval. authors: gonzalo navarro , ricardo a. baeza-yates. venue: sigmod record. year: 1996", "productB": "title: use of a component architecture in integrating relational and non-relational. authors: robert atkinson. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: the database group at national technical university of athens ( ntua ). authors: timos k. sellis , yannis vassiliou. venue: sigmod record. year: 1995", "productB": "title: the database group at university of hagen. authors: gunter schlageter , thomas berkel , eberhard heuel , silke mittrach , andreas scherer , wolfgang wilkes. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: a new passenger support system for public transport using mobile database access. authors: koichi goto , yahiko kambayashi. venue: vldb. year: 2002", "productB": "title: asset : a system for supporting extended transactions. authors: a. biliris , s. dar , n. gehani , h. v. jagadish , k. ramamritham. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: about quark digital media system. authors: kamar aulakh. venue: sigmod conference. year: 1998", "productB": "title: about quark digital media system. authors: kamar aulakh. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: multi-step processing of spatial joins. authors: ralf schneider , thomas brinkhoff , bernhard seeger , hans-peter kriegel. venue: sigmod conference. year: 1994", "productB": "title: multiway spatial joins. authors: nikos mamoulis , dimitris papadias. venue: acm transactions on database systems ( tods ). year: 2001", "same": false} +{"productA": "title: ontology-based support for digital government. authors: ahmed k. elmagarmid , athman bouguettaya , mourad ouzzani , brahim medjahed. venue: vldb. year: 2001", "productB": "title: ontology-based support for digital government. authors: athman bouguettaya , ahmed k. elmagarmid , brahim medjahed , m. ouzzani. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: interaction of query evaluation and buffer management for information retrieval. authors: bj\u00f6rn \u00fe\u00f3r j\u00f3nsson , divesh srivastava , michael j. franklin. venue: sigmod conference. year: 1998", "productB": "title: fast incremental indexing for full-text information retrieval. authors: eric w. brown , james p. callan , w. bruce croft. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: domino : databases for moving objects tracking. authors: jutai zhou , ouri wolfson , sam chamberlain , a. prasad sistla , bo xu. venue: sigmod conference. year: 1999", "productB": "title: domino : databases for moving objects tracking. authors: ouri wolfson , prasad sistla , bo xu , jutai zhou , sam chamberlain. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: toto , we 're not in kansas anymore : on transitioning from research to the real ( invited industrial talk ). authors: michael j. carey. venue: vldb. year: 2000", "productB": "title: toto , we 're not in kansas anymore : on transitioning from research to the real ( invited industrial talk ). authors: michael j. carey. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques ( part ii ). authors: dennis shasha , philippe bonnet. venue: sigmod conference. year: 2002", "productB": "title: database tuning : principles , experiments , and troubleshooting techniques ( part ii ). authors: dennis shasha , philippe bonnet. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: homer : a model-based case tool for data-intensive web sites. authors: paolo atzeni , paolo merialdo , marco pecorone , marco magnante , giansalvatore mecca. venue: sigmod conference. year: 2000", "productB": "title: homer : a model-based case tool for data-intensive web sites. authors: paolo merialdo , paolo atzeni , marco magnante , giansalvatore mecca , marco pecorone. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: building and customizing data-intensive web sites using weave. authors: val\u00e9rie issarny , patrick valduriez , khaled yagoub , daniela florescu. venue: vldb. year: 2000", "productB": "title: homer : a model-based case tool for data-intensive web sites. authors: paolo merialdo , paolo atzeni , marco magnante , giansalvatore mecca , marco pecorone. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: data extraction and transformation for the data warehouse. authors: cass 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 data bases. year: 2003", "same": false} +{"productA": "title: lineage tracing for general data warehouse transformations. authors: yingwei cui , jennifer 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 data bases. year: 2003", "same": false} +{"productA": "title: too much middleware. authors: michael stonebraker. venue: sigmod record. year: 2002", "productB": "title: too much middleware. authors: michael stonebraker. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: too much middleware. authors: michael stonebraker. venue: sigmod record. year: 2002", "productB": "title: the new middleware. authors: rich finkelstein. venue: acm sigmod record. year: 1995", "same": false} +{"productA": "title: incremental data structures and algorithms for dynamic query interfaces. authors: ben shneiderman , richard beigel , egemen tanin. venue: sigmod record. year: 1996", "productB": "title: incremental data structures and algorithms for dynamic query interfaces. authors: egemen tanin , richard beigel , ben shneiderman. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: expiring data in a warehouse. authors: wilburt labio , jun yang , hector garcia-molina. venue: vldb. year: 1998", "productB": "title: concurrency in the data warehouse. authors: richard taylor. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: knowledge discovery in data warehouses. authors: themistoklis palpanas. venue: sigmod record. year: 2000", "productB": "title: concurrency in the data warehouse. authors: richard taylor. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: expiring data in a warehouse. authors: wilburt labio , jun yang , hector garcia-molina. venue: vldb. year: 1998", "productB": "title: microsoft terraserver : a spatial data warehouse. authors: tom barclay , jim gray , don slutz. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: fast high-dimensional data search in incomplete databases. authors: kian-lee tan , cheng hian goh , beng chin ooi. venue: vldb. year: 1998", "productB": "title: obtaining complete answers from incomplete databases. authors: alon y. levy. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: searching in metric spaces by spatial approximation. authors: gonzalo navarro. venue: vldb j.. year: 2002", "productB": "title: searching in metric spaces by spatial approximation. authors: gonzalo navarro. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": true} +{"productA": "title: approximate query translation across heterogeneous information sources. authors: hector garcia-molina , kevin chen-chuan chang. venue: vldb. year: 2000", "productB": "title: querying heterogeneous information sources using source descriptions. authors: alon y. levy , anand rajaraman , joann j. ordille. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: approximate query translation across heterogeneous information sources. authors: hector garcia-molina , kevin chen-chuan chang. venue: vldb. year: 2000", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: chen-chuan k. chang , h é ctor garc í a-molina. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: kevin chen-chuan chang , hector garcia-molina. venue: sigmod conference. year: 1999", "productB": "title: mind your vocabulary : query mapping across heterogeneous information sources. authors: chen-chuan k. chang , h é ctor garc í a-molina. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: automation in information extraction and data integration. authors: sunita sarawagi. venue: vldb. year: 2002", "productB": "title: commix : towards effective web information extraction , integration and query answering. authors: tengjiao wang , shiwei tang , dongqing yang , jun gao , yuqing wu , jian pei. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: mv3r-tree : a spatio-temporal access method for timestamp and interval queries. authors: dimitris papadias , yufei tao. venue: vldb. year: 2001", "productB": "title: m-tree : an efficient access method for similarity search in metric spaces. authors: paolo ciaccia , marco patella , pavel zezula. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: extracting large data sets using db2 parallel edition. authors: sriram padmanabhan. venue: vldb. year: 1996", "productB": "title: managing a db2 parallel edition database. authors: gilles fecteau. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: querying shapes of histories. authors: mohamed za\u00eft , giuseppe psaila , edward l. wimmers , rakesh agrawal. venue: vldb. year: 1995", "productB": "title: querying network directories. authors: h. v. jagadish , laks v. s. lakshmanan , tova milo , divesh srivastava , dimitra vista. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: towards a cooperative transaction model - the cooperative activity model. authors: thomas tesch , peter muth , wolfgang klas , marek rusinkiewicz , j\u00fcrgen w\u00e4sch. venue: vldb. year: 1995", "productB": "title: towards a cooperative transaction model - the cooperative activity model. authors: marek rusinkiewicz , wolfgang klas , thomas tesch , j ü rgen w ä sch , peter muth. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: world wide database - integrating the web , corba , and databases. authors: kevin smith , athman bouguettaya , mourad ouzzani , james beard , lily hendra , boualem benatallah. venue: sigmod conference. year: 1999", "productB": "title: integrating triggers and declarative constraints in sql database sytems. authors: roberta cochrane , hamid pirahesh , nelson mendon ç a mattos. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: timber : a native system for querying xml. authors: laks v. s. lakshmanan , stelios paparizos , nuwee wiwatwattana , cong yu , jignesh m. patel , h. v. jagadish , andrew nierman , divesh srivastava , adriane chapman , yuqing wu , shurug al-khalifa. venue: sigmod conference. year: 2003", "productB": "title: timber : a native system for querying xml. authors: stelios paparizos , shurug al-khalifa , adriane chapman , h. v. jagadish , laks v. s. lakshmanan , andrew nierman , jignesh m. patel , divesh srivastava , nuwee wiwatwattana , yuqing wu , cong yu. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: timber : a native system for querying xml. authors: laks v. s. lakshmanan , stelios paparizos , nuwee wiwatwattana , cong yu , jignesh m. patel , h. v. jagadish , andrew nierman , divesh srivastava , adriane chapman , yuqing wu , shurug al-khalifa. venue: sigmod conference. year: 2003", "productB": "title: lockx : a system for efficiently querying secure xml. authors: sungran cho , sihem amer-yahia , laks v. s. lakshmanan , divesh srivastava. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: geominer : a system prototype for spatial data mining. authors: jiawei han , nebojsa stefanovic , krzysztof koperski. venue: sigmod conference. year: 1997", "productB": "title: dna-miner : a system prototype for mining dna sequences. authors: jiawei han , hasan jamil , ying lu , liangyou chen , yaqin liao , jian pei. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: the sdss skyserver : public access to the sloan digital sky server data. authors: tanu malik , jordan raddick , alexander s. szalay , peter z. kunszt , jim gray , christopher stoughton , ani thakar , jan vandenberg. venue: sigmod conference. year: 2002", "productB": "title: the sdss skyserver : public access to the sloan digital sky server data. authors: alexander s. szalay , jim gray , ani r. thakar , peter z. kunszt , tanu malik , jordan raddick , christopher stoughton , jan vandenberg. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: dbglobe : a service-oriented p2p system for global computing. authors: evaggelia pitoura , serge abiteboul , michalis vazirgiannis , dieter pfoser , george samaras. venue: sigmod record. year: 2003", "productB": "title: dbglobe : a service-oriented p2p system for global computing. authors: evaggelia pitoura , serge abiteboul , dieter pfoser , george samaras , michalis vazirgiannis. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: a scalable and highly available networked database architecture. authors: angelo pruscino , rafiul ahad , roger bamford. venue: vldb. year: 1999", "productB": "title: a scalable architecture for autonomous heterogeneous database interactions. authors: steven milliner , athman bouguettaya , mike p. papazoglou. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: databases and workflow management : what is it all about ? ( panel ). authors: jim gray , betty salzberg , stefano ceri , andreas reuter , gerhard weikum. venue: vldb. year: 1995", "productB": "title: databases and workflow management : what is it all about ? ( panel ). authors: andreas reuter , stefano ceri , jim gray , betty salzberg , gerhard weikum. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: interviewing during a tight job market. authors: zachary g. ives , qiong luo. venue: sigmod record. year: 2002", "productB": "title: interviewing during a tight job market. authors: zachary g. ives , qiong luo. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: a new join algorithm. authors: arnold charles meltzer , dong keun shin. venue: sigmod record. year: 1994", "productB": "title: a scalable hash ripple join algorithm. authors: gang luo , curt j. ellmann , peter j. haas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: a scalable hash ripple join algorithm. authors: peter j. haas , jeffrey f. naughton , gang luo , curt ellmann. venue: sigmod conference. year: 2002", "productB": "title: a scalable hash ripple join algorithm. authors: gang luo , curt j. ellmann , peter j. haas , jeffrey f. naughton. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: xquery formal semantics : state and challenges. authors: peter fankhauser. venue: sigmod record. year: 2001", "productB": "title: medical information systems : characterization and challenges. authors: jorge c. g. ramirez , lon a. smith , lynn l. peterson. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: supporting exceptions to schema consistency to ease schema evolution in oodbms. authors: eric dujardin , eric simon , marie-jo bellosta , eric amiel. venue: vldb. year: 1994", "productB": "title: supporting exceptions to schema consistency to ease schema evolution in oodbms. authors: eric amiel , marie-jo bellosta , eric dujardin , eric simon. venue: very large data bases. year: 1994", "same": true} +{"productA": "title: integration of data mining with database technology. authors: amir netz , surajit chaudhuri , jeff bernhardt , usama m. fayyad. venue: vldb. year: 2000", "productB": "title: an overview of data warehousing and olap technology. authors: surajit chaudhuri , umeshwar dayal. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: hmap - a temporal data model managing intervals with different granularities and indeterminacy from natural language sentences. authors: carlo combi , giuseppe pozzi. venue: vldb j.. year: 2001", "productB": "title: hmap - a temporal data model managing intervals with different granularities and indeterminacy from natural language sentences. authors: carlo combi , giuseppe pozzi. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": true} +{"productA": "title: the clio project : managing heterogeneity. authors: ren\u00e9e j. miller , c. t. howard ho , lucian popa , ling-ling yan , ronald fagin , mauricio a. hern\u00e1ndez , laura m. haas. venue: sigmod record. year: 2001", "productB": "title: the clio project : managing heterogeneity. authors: ren é e j. miller , mauricio a. hern á ndez , laura m. haas , lingling yan , c. t. howard ho , ronald fagin , lucian popa. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: new concurrency control algorithms for accessing and compacting b-trees. authors: andrea zisman , v. w. setzer. venue: vldb. year: 1994", "productB": "title: transactional information systems : theory , algorithms , and the practice of concurrency control and recovery. authors: marc h. scholl. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: datamine - interactive rule discovery system. authors: aashu virmani , tomasz imielinski. venue: sigmod conference. year: 1995", "productB": "title: datamine-interactive rule discovery system. authors: t. imielinski , a. virmani. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: generic database cost models for hierarchical memory systems. authors: peter a. boncz , martin l. kersten , stefan manegold. venue: vldb. year: 2002", "productB": "title: a survey of logical models for olap databases. authors: panos vassiliadis , timos sellis. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: text databases : a survey of text models and systems. authors: arjan loeffen. venue: sigmod record. year: 1994", "productB": "title: a survey of logical models for olap databases. authors: panos vassiliadis , timos sellis. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: high-performance sorting on networks of workstations. authors: david e. culler , joseph m. hellerstein , david a. patterson , andrea c. arpaci-dusseau , remzi h. arpaci-dusseau. venue: sigmod conference. year: 1997", "productB": "title: high-performance extensible indexing. authors: marcel kornacker. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: object-oriented extensions in sql3 : a status report. authors: krishna g. kulkarni. venue: sigmod conference. year: 1994", "productB": "title: sql/med : a status report. authors: jim melton , jan eike michels , vanja josifovski , krishna kulkarni , peter schwarz. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: proximity search in databases. authors: narayanan shivakumar , hector garcia-molina , roy goldman , suresh venkatasubramanian. venue: vldb. year: 1998", "productB": "title: determining text databases to search in the internet. authors: weiyi meng , king-lup liu , clement t. yu , xiaodong wang , yuhsi chang , naphtali rishe. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: vldb j.. year: 1995", "productB": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: implementing crash recovery in quickstore : a performance study. authors: seth j. white , david j. dewitt. venue: sigmod conference. year: 1995", "productB": "title: quickstore : a high performance mapped object store. authors: seth j. white , david j. dewitt. venue: international conference on management of data. year: 1994", "same": false} +{"productA": "title: olympic records for data at the 1998 nagano games. authors: edwin r. lassettre. venue: sigmod conference. year: 1998", "productB": "title: olympic records for data at the 1998 nagano games. authors: edwin r. lassettre. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: incorporating xsl processing into database engines. authors: guido moerkotte. venue: vldb. year: 2002", "productB": "title: integrating sql databases with content-specific search engines. authors: stefan de ß loch , nelson mendon ç a mattos. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: reducing the braking distance of an sql query engine. authors: donald kossmann , michael j. carey. venue: vldb. year: 1998", "productB": "title: reducing the braking distance of an sql query engine. authors: michael j. carey , donald kossmann. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: the strip rule system for efficiently maintaining derived data. authors: hector garcia-molina , jennifer widom , brad adelberg. venue: sigmod conference. year: 1997", "productB": "title: the strip rule system for efficiently maintaining derived data. authors: brad adelberg , hector garcia-molina , jennifer widom. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: rule languages and internal algebras for rule-based optimizers. authors: mitch cherniack , stanley b. zdonik. venue: sigmod conference. year: 1996", "productB": "title: rule languages and internal algebras for rule-based optimizers. authors: mitch cherniack , stanley b. zdonik. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: a multi-agent system infrastructure for software component market-place : an ontological perspective. authors: riza cenk erdur , oguz dikenelli. venue: sigmod record. year: 2002", "productB": "title: a multi-agent system infrastructure for software component market-place : an ontological perspective. authors: riza cenk erdur , o ğ uz dikenelli. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: business process cockpit. authors: umeshwar dayal , mehmet sayal , ming-chien shan , fabio casati. venue: vldb. year: 2002", "productB": "title: real business processing meets the web. authors: james chong. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: a monte carlo algorithm for fast projective clustering. authors: michael jones , pankaj k. agarwal , t. m. murali , cecilia magdalena procopiuc. venue: sigmod conference. year: 2002", "productB": "title: a monte carlo algorithm for fast projective clustering. authors: cecilia m. procopiuc , michael jones , pankaj k. agarwal , t. m. murali. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: dec data distributor : for data replication and data warehousing. authors: daniel j. dietterich. venue: sigmod conference. year: 1994", "productB": "title: are quorums an alternative for data replication ?. authors: ricardo jim é nez-peris , m. pati ñ o-mart í nez , gustavo alonso , bettina kemme. venue: acm transactions on database systems ( tods ). year: 2003", "same": false} +{"productA": "title: alphasort : a cache-sensitive parallel external sort. authors: jim gray , zarka cvetanovic , tom barclay , chris nyberg , david b. lomet. venue: vldb j.. year: 1995", "productB": "title: alphasort : a cache-sensitive parallel external sort. authors: chris nyberg , tom barclay , zarka cvetanovic , jim gray , dave lomet. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: ominisearch : a method for searching dynamic content on the web. authors: henrique paques , ling liu , david buttler , calton pu. venue: sigmod conference. year: 2001", "productB": "title: ominisearch : a method for searching dynamic content on the web. authors: david buttler , ling liu , calton pu , henrique paques , wei han , wei tang. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: enabling dynamic content caching for database-driven web sites. authors: qiong luo , divyakant agrawal , wen-syan li , wang-pin hsiung , k. sel\u00e7uk candan. venue: sigmod conference. year: 2001", "productB": "title: ominisearch : a method for searching dynamic content on the web. authors: david buttler , ling liu , calton pu , henrique paques , wei han , wei tang. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: a layered architecture for querying dynamic web content. authors: hasan davulcu , michael kifer , i. v. ramakrishnan , juliana freire. venue: sigmod conference. year: 1999", "productB": "title: ominisearch : a method for searching dynamic content on the web. authors: david buttler , ling liu , calton pu , henrique paques , wei han , wei tang. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: estimating alphanumeric selectivity in the presence of wildcards. authors: balakrishna r. iyer , jeffrey scott vitter , p. krishnan. venue: sigmod conference. year: 1996", "productB": "title: estimating alphanumeric selectivity in the presence of wildcards. authors: p. krishnan , jeffrey scott vitter , bala iyer. venue: international conference on management of data. year: 1996", "same": true} +{"productA": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: stefano paraboschi , piero fraternali , stefano ceri. venue: vldb. year: 1999", "productB": "title: design principles for data-intensive web sites. authors: stefano ceri , piero fraternali , stefano paraboschi. venue: acm sigmod record. year: 1999", "same": false} +{"productA": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: stefano paraboschi , piero fraternali , stefano ceri. venue: vldb. year: 1999", "productB": "title: data-driven , one-to-one web site generation for data-intensive applications. authors: stefano ceri , piero fraternali , stefano paraboschi. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: materialized view and index selection tool for microsoft sql server 2000. authors: vivek r. narasayya , sanjay agrawal , surajit chaudhuri. venue: sigmod conference. year: 2001", "productB": "title: an efficient cost-driven index selection tool for microsoft sql server. authors: surajit chaudhuri , vivek r. narasayya. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: data replication for mobile computers. authors: a. prasad sistla , ouri wolfson , yixiu huang. venue: sigmod conference. year: 1994", "productB": "title: cache invalidation scheme for mobile computing systems with real-time data. authors: joe chun-hung yuen , edward chan , kam-yiu lam , h. w. leung. venue: acm sigmod record. year: 2000", "same": false} +{"productA": "title: cache invalidation scheme for mobile computing systems with real-time data. authors: hei-wing leung , joe chun-hung yuen , edward chan , kam-yiu lam. venue: sigmod record. year: 2000", "productB": "title: cache invalidation scheme for mobile computing systems with real-time data. authors: joe chun-hung yuen , edward chan , kam-yiu lam , h. w. leung. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: bottom-up computation of sparse and iceberg cubes. authors: kevin s. beyer , raghu ramakrishnan. venue: sigmod conference. year: 1999", "productB": "title: iceberg-cube computation with pc clusters. authors: raymond t. ng , alan wagner , yu yin. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: managing a db2 parallel edition database. authors: gilles fecteau. venue: vldb. year: 1995", "productB": "title: an overview of db2 parallel edition. authors: chaitanya baru , gilles fecteau. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: understanding the semantics of sensor data. authors: murali mani. venue: sigmod record. year: 2003", "productB": "title: understanding the global semantics of referential actions using logic rules. authors: wolfgang may , bertram lud ä scher. venue: acm transactions on database systems ( tods ). year: 2002", "same": false} +{"productA": "title: integrating symbolic images into a multimedia database system using classification and abstraction approaches. authors: hanan samet , aya soffer. venue: vldb j.. year: 1998", "productB": "title: detection and classification of intrusions and faults using sequences of system calls. authors: jo ã o b. d. cabrera , lundy lewis , raman k. mehra. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: data management research at the mitre corporation. authors: arnon rosenthal , edward lafferty , leonard j. seligman , catherine d. mccollum , bhavani m. thuraisingham , barbara t. blaustein. venue: sigmod record. year: 1995", "productB": "title: data management research at the mitre corporation. authors: arnon rosenthal , len seligman , catherine mccollum , barbara blaustein , bhavani thuraisingham , edward lafferty. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: probabilistic temporal databases , i : algebra. authors: alex dekhtyar , robert ross , v. s. subrahmanian. venue: acm trans . database syst .. year: 2001", "productB": "title: a probabilistic relational model and algebra. authors: debabrata dey , sumit sarkar. venue: acm transactions on database systems ( tods ). year: 1996", "same": false} +{"productA": "title: shore : combining the best features of oodbms and file systems. authors: shore team. venue: sigmod conference. year: 1995", "productB": "title: shore : combining the best features of oodbms and file systems. authors: corporate the shore team. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: workflow automation : applications , technology , and research ( tutorial ). authors: amit p. sheth. venue: sigmod conference. year: 1995", "productB": "title: workflow automation : applications , technology and research. authors: amit sheth. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: database tuning : principles , experiments , and troubleshooting techniques. authors: philippe bonnet , dennis shasha. venue: vldb. year: 2002", "productB": "title: database principles. authors: leonid libkin. venue: acm sigmod record. year: 2003", "same": false} +{"productA": "title: object-oriented , rapid application development in a pc database environment. authors: fox development team. venue: sigmod conference. year: 1995", "productB": "title: very large databases in a commercial application environment. authors: karl-heinz hess. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: very large databases in a commercial application environment. authors: karl-heinz hess. venue: vldb. year: 1996", "productB": "title: very large databases in a commercial application environment. authors: karl-heinz hess. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: advanced xml data processing - guest editor 's introduction. authors: karl aberer. venue: sigmod record. year: 2001", "productB": "title: special section on advanced xml data processing. authors: nan. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: enhancing database correctness : a statistical approach. authors: wen-chi hou , zhongyang zhang. venue: sigmod conference. year: 1995", "productB": "title: enhancing database correctness : a statistical approach. authors: wen-chi hou , zhongyang zhang. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: ipsofacto : a visual correlation tool for aggregate network traffic data. authors: yunyue zhu , s. muthukrishnan , flip korn. venue: sigmod conference. year: 2003", "productB": "title: ipsofacto : a visual correlation tool for aggregate network traffic data. authors: flip korn , s. muthukrishnan , yunyue zhu. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: amdb : an access method debugging tool. authors: joseph m. hellerstein , mehul a. shah , marcel kornacker. venue: sigmod conference. year: 1998", "productB": "title: amdb : an access method debugging tool. authors: marcel kornacker , mehul shah , joseph m. hellerstein. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: high availability of commercial applications. authors: kestutis ivinskis. venue: sigmod conference. year: 1995", "productB": "title: high availability of commercial applications. authors: kestutis ivinskis. venue: international conference on management of data. year: 1995", "same": true} +{"productA": "title: building hierarchical classifiers using class proximity. authors: shiang chen liew , senqiang zhou , ke wang. venue: vldb. year: 1999", "productB": "title: building hierarchical classifiers using class proximity. authors: ke wang , senqiang zhou , shiang chen liew. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: temporal aggregation in active database rules. authors: iakovos motakis , carlo zaniolo. venue: sigmod conference. year: 1997", "productB": "title: time-parameterized queries in spatio-temporal databases. authors: yufei tao , dimitris papadias. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: unrolling cycles to decide trigger termination. authors: tok wang ling , sin yeung lee. venue: vldb. year: 1999", "productB": "title: unrolling cycles to decide trigger termination. authors: sin yeung lee , tok wang ling. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: a formal perspective on the view selection problem. authors: dan suciu , rada chirkova , alon y. halevy. venue: vldb. year: 2001", "productB": "title: a formal perspective on the view selection problem. authors: rada chirkova , alon y. halevy , dan suciu. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: jennifer widom , stefano ceri , roberta cochrane. venue: vldb. year: 2000", "productB": "title: practical applications of triggers and constraints : success and lingering issues ( 10-year award ). authors: stefano ceri , roberta cochrane , jennifer widom. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: materialized views in oracle. authors: randall g. bello , william d. norcott , mohamed ziauddin , harry sun , karl dias , alan downing , james j. feenan jr. , andrew witkowski , james l. finnerty. venue: vldb. year: 1998", "productB": "title: materialized views selection in a multidimensional database. authors: elena baralis , stefano paraboschi , ernest teniente. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: mining database structure ; or , how to build a data quality browser. authors: vladislav shkapenyuk , tamraparni dasu , s. muthukrishnan , theodore johnson. venue: sigmod conference. year: 2002", "productB": "title: mining database structure ; or , how to build a data quality browser. authors: tamraparni dasu , theodore johnson , s. muthukrishnan , vladislav shkapenyuk. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: optimization of queries with user-defined predicates. authors: surajit chaudhuri , kyuseok shim. venue: vldb. year: 1996", "productB": "title: minimization of tree pattern queries. authors: sihem amer-yahia , sungran cho , laks v. s. lakshmanan , divesh srivastava. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: on the minimization of xpath queries. authors: elio masciari , sergio flesca , filippo furfaro. venue: vldb. year: 2003", "productB": "title: minimization of tree pattern queries. authors: sihem amer-yahia , sungran cho , laks v. s. lakshmanan , divesh srivastava. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: efficient algorithms for minimizing tree pattern queries. authors: prakash ramanan. venue: sigmod conference. year: 2002", "productB": "title: tree pattern query minimization. authors: s. amer-yahia , s. cho , l. v. s. lakshmanan , d. srivastava. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: changing the rules : transformations for rule-based optimizers. authors: mitch cherniack , stanley b. zdonik. venue: sigmod conference. year: 1998", "productB": "title: changing the rules : transformations for rule-based optimizers. authors: mitch cherniack , stan zdonik. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: extended wavelets for multiple measures. authors: antonios deligiannakis , nick roussopoulos. venue: sigmod conference. year: 2003", "productB": "title: extended wavelets for multiple measures. authors: antonios deligiannakis , nick roussopoulos. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: the value of merge-join and hash-join in sql server. authors: goetz graefe. venue: vldb. year: 1999", "productB": "title: the value of merge-join and hash-join in sql server. authors: goetz graefe. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: hash joins and hash teams in microsoft sql server. authors: shaun cooper , goetz graefe , ross bunker. venue: vldb. year: 1998", "productB": "title: the value of merge-join and hash-join in sql server. authors: goetz graefe. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: archiving scientific data. authors: sanjeev khanna , peter buneman , wang chiew tan , keishi tajima. venue: sigmod conference. year: 2002", "productB": "title: archiving scientific data. authors: peter buneman , sanjeev khanna , keishi tajima , wang-chiew tan. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: spire : a progressive content-based spatial image retrieval engine. authors: chung-sheng li , vittorio castelli , lawrence d. bergman , john r. smith. venue: sigmod conference. year: 2000", "productB": "title: qcluster : relevance feedback using adaptive clustering for content-based image retrieval. authors: deok-hwan kim , chin-wan chung. venue: international conference on management of data. year: 2003", "same": false} +{"productA": "title: a chase too far ?. authors: val tannen , arnaud sahuguet , alin deutsch , lucian popa. venue: sigmod conference. year: 2000", "productB": "title: a chase too far ?. authors: lucian popa , alin deutsch , arnaud sahuguet , val tannen. venue: international conference on management of data. year: 2000", "same": true} +{"productA": "title: using formal methods to reason about semantics-based decompositions of transactions. authors: paul ammann , indrakshi ray , sushil jajodia. venue: vldb. year: 1995", "productB": "title: using formal methods to reason about semantics-based decompositions of transactions. authors: paul ammann , sushil jajodia , indrakshi ray. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , dean kuo , kerry l. taylor. venue: sigmod record. year: 1997", "productB": "title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: www-udk : a web-based environmental meta-information system. authors: rudolf legat , arne koschel , andree keitel , ralf kramer , claudia rolker , ralf nikolai , peter c. lockemann , konrad zirm. venue: sigmod record. year: 1997", "productB": "title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , dean kuo , kerry l. taylor. venue: sigmod record. year: 1997", "productB": "title: information management for genome level bioinformatics. authors: norman w. paton , carole a. goble. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: integrating modelling systems for environmental management information systems. authors: david j. abel , dean kuo , kerry l. taylor. venue: sigmod record. year: 1997", "productB": "title: improving access to environmental data using context information. authors: anthony tomasic , eric simon. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: filenet integrated document management database usage and issues. authors: daniel s. whelan. venue: sigmod conference. year: 1998", "productB": "title: structural matching and discovery in document databases. authors: jason tsong-li wang , dennis shasha , george j. s. chang , liam relihan , kaizhong zhang , girish patel. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: effective & efficient document ranking without using a large lexicon. authors: yasushi ogawa. venue: vldb. year: 1996", "productB": "title: effective & ; efficient document ranking without using a large lexicon. authors: yasushi ogawa. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: exploratory mining via constrained frequent set queries. authors: jiawei han , teresa mah , laks v. s. lakshmanan , raymond t. ng. venue: sigmod conference. year: 1999", "productB": "title: mining frequent itemsets using support constraints. authors: ke wang , yu he , jiawei han. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: efficient similarity search and classification via rank aggregation. authors: ravi kumar , d. sivakumar , ronald fagin. venue: sigmod conference. year: 2003", "productB": "title: efficient similarity search and classification via rank aggregation. authors: ronald fagin , ravi kumar , d. sivakumar. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: holger m\u00e4rtens , erhard rahm , thomas st\u00f6hr. venue: vldb. year: 2000", "productB": "title: warlock : a data allocation tool for parallel warehouses. authors: thomas st ö hr , erhard rahm. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: multi-dimensional database allocation for parallel data warehouses. authors: holger m\u00e4rtens , erhard rahm , thomas st\u00f6hr. venue: vldb. year: 2000", "productB": "title: t2 : a customizable parallel database for multi-dimensional data. authors: chialin chang , anurag acharya , alan sussman , joel saltz. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: implementing deletion in b + - trees. authors: jan jannink. venue: sigmod record. year: 1995", "productB": "title: implementing xquery. authors: paul cotton. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: idea : interactive data exploration and analysis. authors: lynn o. wilson , peter g. selfridge , divesh srivastava. venue: sigmod conference. year: 1996", "productB": "title: i3 : intelligent , interactive investigation of olap data cubes. authors: sunita sarawagi , gayatri sathe. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: socqet : semantic olap with compressed cube and summarization. authors: yan zhao , laks v. s. lakshmanan , jian pei. venue: sigmod conference. year: 2003", "productB": "title: socqet : semantic olap with compressed cube and summarization. authors: laks v. s. lakshmanan , jian pei , yan zhao. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: toward learning based web query processing. authors: yanlei diao , hongjun lu , zengping tian , songting chen. venue: vldb. year: 2000", "productB": "title: fact : a learning based web query processing system. authors: songting chen , yanlei diao , hongjun lu , zengping tian. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: the middleware muddle. authors: david ritter. venue: sigmod record. year: 1998", "productB": "title: the middleware muddle. authors: david ritter. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: query processing techniques for arrays. authors: kenneth salem , arunprasad p. marathe. venue: sigmod conference. year: 1999", "productB": "title: data mining techniques. authors: jiawei han. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: data mining : practical machine learning tools and techniques - book review. authors: james geller. venue: sigmod record. year: 2002", "productB": "title: data mining techniques. authors: jiawei han. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: query processing techniques for arrays. authors: kenneth salem , arunprasad p. marathe. venue: sigmod conference. year: 1999", "productB": "title: partial results for online query processing. authors: vijayshankar raman , joseph m. hellerstein. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: mixed mode xml query processing. authors: stratis viglas , josef burger , leonidas galanis , jeffrey f. naughton , alan halverson , rajasekar krishnamurthy , david j. dewitt , feng tian , ameet kini , yuan wang , ajith nagaraja rao. venue: vldb. year: 2003", "productB": "title: partial results for online query processing. authors: vijayshankar raman , joseph m. hellerstein. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: jennifer widom , chris olston. venue: vldb. year: 2000", "productB": "title: offering a precision-performance tradeoff for aggregation queries over replicated data. authors: chris olston , jennifer widom. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: scientific data repositories : designing for a moving target. authors: etzard stolte , thomas r. gross , gustavo alonso , christoph von praun. venue: sigmod conference. year: 2003", "productB": "title: scientific data repositories : designing for a moving target. authors: etzard stolte , christoph von praun , gustavo alonso , thomas gross. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: scientific databases - state of the art and future directions. authors: yannis e. ioannidis , maria zemankova. venue: vldb. year: 1994", "productB": "title: component-based e-commerce : assessment of current practices and future directions. authors: martin bichler , arie segev , j. leon zhao. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: how to modify sql queries in order to guarantee sure answers. authors: hans-joachim klein. venue: sigmod record. year: 1994", "productB": "title: how to modify sql queries in order to guarantee sure answers. authors: h.-j . klein. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: concurrency and recovery for index trees. authors: david b. lomet , betty salzberg. venue: vldb j.. year: 1997", "productB": "title: concurrency and recovery in generalized search trees. authors: marcel kornacker , c. mohan , joseph m. hellerstein. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: enterprise information architectures -- they 're finally changing. authors: wesley p. melling. venue: sigmod conference. year: 1994", "productB": "title: enterprise information architectures-they 're finally changing. authors: wesley p. melling. venue: international conference on management of data. year: 1994", "same": true} +{"productA": "title: monitoring business processes through event correlation based on dependency model. authors: tali yatzkar-haham , asaf adi , david botzer , opher etzion. venue: sigmod conference. year: 2001", "productB": "title: conceptual modeling and specification generation for b2b business processes based on ebxml. authors: hyoungdo kim. venue: acm sigmod record. year: 2002", "same": false} +{"productA": "title: a web odyssey : from codd to xml. authors: victor vianu. venue: sigmod record. year: 2003", "productB": "title: a web odyssey : from codd to xml. authors: victor vianu. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: information management for genome level bioinformatics. authors: norman w. paton , carole a. goble. venue: vldb. year: 2001", "productB": "title: opportunities in information management and assurance. authors: xiaolei qian. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: spatial and temporal content-based access to hypervideo databases. authors: ahmed k. elmagarmid , haitao jiang. venue: vldb j.. year: 1998", "productB": "title: supporting periodic authorizations and temporal reasoning in database access control. authors: elisa bertino , claudio bettini , elena ferrari , pierangela samarati. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: mil primitives for querying a fragmented world. authors: martin l. kersten , peter a. boncz. venue: vldb j.. year: 1999", "productB": "title: mil primitives for querying a fragmented world. authors: peter a. boncz , martin l. kersten. venue: the vldb journal -- the international journal on very large data bases. year: 1999", "same": true} +{"productA": "title: a performance study of four index structures for set-valued attributes of low cardinality. authors: guido moerkotte , sven helmer. venue: vldb j.. year: 2003", "productB": "title: a performance study of four index structures for set-valued attributes of low cardinality. authors: sven helmer , guido moerkotte. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": true} +{"productA": "title: mixed mode xml query processing. authors: stratis viglas , josef burger , leonidas galanis , jeffrey f. naughton , alan halverson , rajasekar krishnamurthy , david j. dewitt , feng tian , ameet kini , yuan wang , ajith nagaraja rao. venue: vldb. year: 2003", "productB": "title: low-cost compensation-based query processing. authors: Ø ystein gr ø vlen , svein-olaf hvasshovd , Ø ystein torbj ø rnsen. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: merge replication in microsoft 's sql server 7.0. authors: brad hammond. venue: sigmod conference. year: 1999", "productB": "title: merge replication in microsoft 's sql server 7.0. authors: brad hammond. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: an extendible hash for multi-precision similarity querying of image databases. authors: m. tamer \u00f6zsu , shu lin , raymond t. ng , vincent oria. venue: vldb. year: 2001", "productB": "title: optimizing multi-feature queries for image databases. authors: ulrich g ü ntzer , wolf-tilo balke , werner kie ß ling. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: vertical data migration in large near-line document archives based on markov-chain predictions. authors: achim kraiss , gerhard weikum. venue: vldb. year: 1997", "productB": "title: vertical data migration in large near-line document archives based on markov-chain predictions. authors: achim kraiss , gerhard weikum. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: trex : dtd-conforming xml to xml transformations. authors: xueqing gong , kun yue , aoying zhou , zhimao guo , jianchang xiao , wenfei fan , hongwei wu , qing wang , shihui zheng. venue: sigmod conference. year: 2003", "productB": "title: trex : dtd-conforming xml to xml transformations. authors: aoying zhou , qing wang , zhimao guo , xueqing gong , shihui zheng , hongwei wu , jianchang xiao , kun yue , wenfei fan. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: semantic access : semantic interface for querying databases. authors: naphtali rishe , rukshan athauda , artyom shaposhnikov , jun yuan , dmitry vasilevsky , xiaoling lu , xiaobin ma , shu-ching chen , alexander vaschillo. venue: vldb. year: 2000", "productB": "title: semantic access : semantic interface for querying databases. authors: naphtali rishe , jun yuan , rukshan athauda , shu-ching chen , xiaoling lu , xiaobin ma , alexander vaschillo , artyom shaposhnikov , dmitry vasilevsky. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: the adabas buffer pool manager. authors: harald sch\u00f6ning. venue: vldb. year: 1998", "productB": "title: the adabas buffer pool manager. authors: harald sch ö ning. venue: very large data bases. year: 1998", "same": true} +{"productA": "title: a theory of redo recovery. authors: mark r. tuttle , david b. lomet. venue: sigmod conference. year: 2003", "productB": "title: a theory of redo recovery. authors: david lomet , mark tuttle. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: carnot and infosleuth : database technology and the world wide web. authors: k. ong , christine tomlinson , darrell woelk , c. unnikrishnan , william bohrer , nigel jacobs. venue: sigmod conference. year: 1995", "productB": "title: applying database visualization to the world wide web. authors: masum z. hasan , alberto o. mendelzon , dimitra vista. venue: acm sigmod record. year: 1996", "same": false} +{"productA": "title: efficient execution of joins in a star schema. authors: andreas weininger. venue: sigmod conference. year: 2002", "productB": "title: efficient execution of joins in a star schema. authors: andreas weininger. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: supporting global user profiles through trusted authorities. authors: ibrahim cingil. venue: sigmod record. year: 2002", "productB": "title: supporting global user profiles through trusted authorities. authors: ibrahim cingil. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: upsizing from file server to clent server architectures. authors: the access team. venue: sigmod conference. year: 1995", "productB": "title: proxy-server architectures for olap. authors: panos kalnis , dimitris papadias. venue: international conference on management of data. year: 2001", "same": false} +{"productA": "title: ghost : fine granularity buffering of indexes. authors: cheng hian goh , kian-lee tan , beng chin ooi , d. sim. venue: vldb. year: 1999", "productB": "title: ghost : fine granularity buffering of indexes. authors: cheng hian goh , beng chin ooi , d. sim , kian-lee tan. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: efendi : federated database system of cadlab. authors: bernd burkert , yaron engel , ralf b\u00f6ttger , gerd kachel , elke radeke , silvia kolmschlag , dietmar nolte. venue: sigmod conference. year: 1995", "productB": "title: research issues in federated database systems : report of efdbs '97 workshop. authors: s. conrad , b. eaglestone , w. hasselbring , m. roantree , m. sch ö hoff , m. str ä ssler , m. vermeer , f. saltor. venue: acm sigmod record. year: 1997", "same": false} +{"productA": "title: a comparison of three user interfaces to relational microcomputer data bases. authors: carl medsker , margaret christensen , il-yeol song. venue: sigmod record. year: 1995", "productB": "title: a comparison of three user interfaces to relational microcomputer data bases. authors: carl medsker , margaret christensen , il-yeol song. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: scientific journals : extinction or explosion ? ( panel ). authors: gio wiederhold , abraham silberschatz , gerhard rossbach , raghu ramakrishnan , jaco zijlstra , hector garcia-molina. venue: vldb. year: 1995", "productB": "title: scientific journals : extinction or explosion ? ( panel ). authors: raghu ramakrishnan , hector garcia-molina , gerhard rossbach , abraham silberschatz , gio wiederhold , jaco zijlstra. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: potter 's wheel : an interactive data cleaning system. authors: joseph m. hellerstein , vijayshankar raman. venue: vldb. year: 2001", "productB": "title: potter 's wheel : an interactive data cleaning system. authors: vijayshankar raman , joseph m. hellerstein. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: using schema matching to simplify heterogeneous data translation. authors: tova milo , sagit zohar. venue: vldb. year: 1998", "productB": "title: using schematically heterogeneous structures. authors: re é e j. miller. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: middle east technical university software research and development center. authors: asuman dogac. venue: sigmod record. year: 1996", "productB": "title: middle east technical university software research and development center. authors: asuman dogac. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: staggered striping in multimedia information systems. authors: steven berson , richard r. muntz , shahram ghandeharizadeh , xiangyu ju. venue: sigmod conference. year: 1994", "productB": "title: analysis of navigation behaviour in web sites integrating multiple information systems. authors: bettina berendt , myra spiliopoulou. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: the montage extensible datablade achitecture. authors: michael ubell. venue: sigmod conference. year: 1994", "productB": "title: secure and portable database extensibility. authors: michael godfrey , tobias mayr , praveen seshadri , thorsten von eicken. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: facilitating multimedia database exploration through visual interfaces and perpetual query reformulations. authors: kyoji hirata , yoshinori hara , wen-syan li , k. sel\u00e7uk candan. venue: vldb. year: 1997", "productB": "title: devise : integrated querying and visual exploration of large datasets. authors: m. livny , r. ramakrishnan , k. beyer , g. chen , d. donjerkovic , s. lawande , j. myllymaki , k. wenger. venue: international conference on management of data. year: 1997", "same": false} +{"productA": "title: an adaptive peer-to-peer network for distributed caching of olap results. authors: beng chin ooi , dimitris papadias , kian-lee tan , wee siong ng , panos kalnis. venue: sigmod conference. year: 2002", "productB": "title: an adaptive peer-to-peer network for distributed caching of olap results. authors: panos kalnis , wee siong ng , beng chin ooi , dimitris papadias , kian-lee tan. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: poesia : an ontological workflow approach for composing web services in agriculture. authors: ling liu , eduardo delgado assad , calton pu , renato fileto , claudia bauzer medeiros. venue: vldb j.. year: 2003", "productB": "title: poesia : an ontological workflow approach for composing web services in agriculture. authors: renato fileto , ling liu , calton pu , eduardo delgado assad , claudia bauzer medeiros. venue: the vldb journal -- the international journal on very large data bases. year: 2003", "same": true} +{"productA": "title: information warfare and security - book review. authors: h. v. jagadish. venue: sigmod record. year: 2001", "productB": "title: information warfare and security. authors: h. v. jagadish. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: data quality and data cleaning : an overview. authors: theodore johnson , tamraparni dasu. venue: sigmod conference. year: 2003", "productB": "title: data quality and data cleaning : an overview. authors: theodore johnson , tamraparni dasu. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: composite events for active databases : semantics , contexts and detection. authors: s.-k . kim , eman anwar , sharma chakravarthy , v. krishnaprasad. venue: vldb. year: 1994", "productB": "title: a structured approach for the definition of the semantics of active databases. authors: piero fraternali , letizia tanca. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: on the semantics of `` now '' in databases. authors: christian s. jensen , tom\u00e1s isakowitz , richard t. snodgrass , curtis e. dyreson , james clifford. venue: acm trans . database syst .. year: 1997", "productB": "title: a structured approach for the definition of the semantics of active databases. authors: piero fraternali , letizia tanca. venue: acm transactions on database systems ( tods ). year: 1995", "same": false} +{"productA": "title: lineage tracing for general data warehouse transformations. authors: jennifer widom , yingwei cui. venue: vldb j.. year: 2003", "productB": "title: data extraction and transformation for the data warehouse. authors: case squire. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: r-tree based indexing of now-relative bitemporal data. authors: simonas saltenis , christian s. jensen , giedrius slivinskas , rasa bliujute. venue: vldb. year: 1998", "productB": "title: indexing of now-relative spatio-bitemporal data. authors: simonas Š altenis , christian s. jensen. venue: the vldb journal -- the international journal on very large data bases. year: 2002", "same": false} +{"productA": "title: disseminating updates on broadcast disks. authors: swarup acharya , stanley b. zdonik , michael j. franklin. venue: vldb. year: 1996", "productB": "title: exploiting versions for handling updates in broadcast disks. authors: evaggelia pitoura , panos k. chrysanthis. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: electronic market : the roadmap for university libraries and members to survive in the information jungle. authors: peter c. lockemann , bethina schmitt , michael christoffel , sebastian pulkowski. venue: sigmod record. year: 1998", "productB": "title: electronic market : the roadmap for university libraries and members to survive in the information jungle. authors: michael christoffel , sebastian pulkowski , bethina schmitt , peter c. lockemann. venue: acm sigmod record. year: 1998", "same": true} +{"productA": "title: database research : achievements and opportunities into the 21st century. authors: jeffrey d. ullman , abraham silberschatz , michael stonebraker. venue: sigmod record. year: 1996", "productB": "title: database research : achievements and opportunities into the 1st century. authors: avi silberschatz , mike stonebraker , jeff ullman. venue: acm sigmod record. year: 1996", "same": true} +{"productA": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data ( keynote ). authors: james l. edwards , meridith a. lane , ebbe nielsen. venue: vldb. year: 2000", "productB": "title: biodiversity informatics : the challenge of rapid development , large databases , and complex data ( keynote ). authors: meridith a. lane , james l. edwards , ebbe nielsen. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: mining system audit data : opportunities and challenges. authors: wei fan , wenke lee. venue: sigmod record. year: 2001", "productB": "title: mining system audit data : opportunities and challenges. authors: wenke lee , wei fan. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: addendum to automatic generation of production rules for integrity maintenance. authors: letizia tanca , stefano paraboschi , piero fraternali , stefano ceri. venue: acm trans . database syst .. year: 1995", "productB": "title: automatic generation of production rules for integrity maintenance. authors: stefano ceri , piero fraternali , stefano paraboschi , letizia tanca. venue: acm transactions on database systems ( tods ). year: 1994", "same": false} +{"productA": "title: data modelling in the large. authors: martin bertram. venue: sigmod record. year: 1994", "productB": "title: data integration in the large : the challenge of reuse. authors: arnon rosenthal , leonard j. seligman. venue: very large data bases. year: 1994", "same": false} +{"productA": "title: cache coherency in oracle parallel server. authors: boris klots. venue: vldb. year: 1996", "productB": "title: architecture of oracle parallel server. authors: roger bamford , d. butler , boris klots , n. macnaughton. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: knowledge discovery in data warehouses. authors: themistoklis palpanas. venue: sigmod record. year: 2000", "productB": "title: controlling data warehouses with knowledge networks. authors: elvira schaefer , jan-dirk becker , andreas boehmer , matthias jarke. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: architecture of oracle parallel server. authors: d. butler , boris klots , roger bamford , n. macnaughton. venue: vldb. year: 1998", "productB": "title: cache coherency in oracle parallel server. authors: boris klots. venue: very large data bases. year: 1996", "same": false} +{"productA": "title: a metadatabase system for semantic image search by a mathematical model of meaning. authors: yasushi kiyoki , takanari hayama , takashi kitagawa. venue: sigmod record. year: 1994", "productB": "title: a metadatabase system for semantic image search by a mathematical model of meaning. authors: yasushi kiyoki , takashi kitagawa , takanari hayama. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: qualitative representation of spatial knowledge in two-dimensional space. authors: dimitris papadias , timos k. sellis. venue: vldb j.. year: 1994", "productB": "title: qualitative representation of spatial knowledge in two-dimensional space. authors: dimitris papadias , timos sellis. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": true} +{"productA": "title: the cubetree storage organization. authors: yannis kotidis , nick roussopoulos. venue: vldb. year: 1998", "productB": "title: an alternative storage organization for rolap aggregate views based on cubetrees. authors: yannis kotidis , nick roussopoulos. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: supersql : an extended sql for database publishing and presentation. authors: motomichi toyama. venue: sigmod conference. year: 1998", "productB": "title: supersql : an extended sql for database publishing and presentation. authors: motomichi toyama. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: a vision of management of complex models. authors: rachel pottinger , alon y. halevy , philip a. bernstein. venue: sigmod record. year: 2000", "productB": "title: a vision for management of complex models. authors: phillip a. bernstein , alon y. halevy , rachel a. pottinger. venue: acm sigmod record. year: 2000", "same": true} +{"productA": "title: the dedale system for complex spatial queries. authors: luc segoufin , philippe rigaux , st\u00e9phane grumbach. venue: sigmod conference. year: 1998", "productB": "title: xcache : a semantic caching system for xml queries. authors: li chen , elke a. rundensteiner , song wang. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: legodb : customizing relational storage for xml documents. authors: prasan roy , philip bohannon , jayant r. haritsa , j\u00e9r\u00f4me sim\u00e9on , maya ramanath , juliana freire. venue: vldb. year: 2002", "productB": "title: efficiently publishing relational data as xml documents. authors: jayavel shanmugasundaram , eugene j. shekita , rimon barr , michael j. carey , bruce g. lindsay , hamid pirahesh , berthold reinwald. venue: very large data bases. year: 2000", "same": false} +{"productA": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: ren\u00e9e j. miller , anastasios kementsietsidis , marcelo arenas. venue: sigmod conference. year: 2003", "productB": "title: mapping data in peer-to-peer systems : semantics and algorithmic issues. authors: anastasios kementsietsidis , marcelo arenas , ren é e j. miller. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: a product specification database for visual prototyping. authors: kouichi yasutake , kazutoshi sumiya , yoshihiko imai , hirohiko tanaka , norio sanada. venue: vldb. year: 1995", "productB": "title: a product specification database for visual prototyping. authors: kazutoshi sumiya , kouichi yasutake , hirohiko tanaka , norio sanada , yoshihiko imai. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: datawarehousing has more colours than just black & white. authors: thomas zurek , markus sinnwell. venue: vldb. year: 1999", "productB": "title: datawarehousing has more colours than just black & ; white. authors: thomas zurek , markus sinnwell. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: using the golden rule of sampling for query estimation. authors: amr el abbadi , yi-leh wu , divyakant agrawal. venue: sigmod conference. year: 2001", "productB": "title: bifocal sampling for skew-resistant join size estimation. authors: sumit ganguly , phillip b. gibbons , yossi matias , avi silberschatz. venue: international conference on management of data. year: 1996", "same": false} +{"productA": "title: qursed : querying and reporting semistructured data. authors: yannis papakonstantinou , michalis petropoulos , vasilis vassalos. venue: sigmod conference. year: 2002", "productB": "title: unql : a query language and algebra for semistructured data based on structural recursion. authors: peter buneman , mary fernandez , dan suciu. venue: the vldb journal -- the international journal on very large data bases. year: 2000", "same": false} +{"productA": "title: optimization of constrained frequent set queries with 2-variable constraints. authors: laks v. s. lakshmanan , alex pang , raymond t. ng , jiawei han. venue: sigmod conference. year: 1999", "productB": "title: exploratory mining via constrained frequent set queries. authors: raymond ng , laks v. s. lakshmanan , jiawei han , teresa mah. venue: international conference on management of data. year: 1999", "same": false} +{"productA": "title: the case for enhanced abstract data types. authors: raghu ramakrishnan , miron livny , praveen seshadri. venue: vldb. year: 1997", "productB": "title: the case for enhanced abstract data types. authors: praveen seshadri , miron livny , raghu ramakrishnan. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: data in your face : push technology in perspective. authors: michael j. franklin , stanley b. zdonik. venue: sigmod conference. year: 1998", "productB": "title: data in your face : push technology in perspective. authors: michael franklin , stan zdonik. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: pm3 : an orthogonal persistent systems programming language - design , implementation , performance. authors: antony l. hosking , jiawan chen. venue: vldb. year: 1999", "productB": "title: pm3 : an orthogonal persistent systems programming language - design , implementation , performance. authors: antony l. hosking , jiawan chen. venue: very large data bases. year: 1999", "same": true} +{"productA": "title: the design and implementation of k : a high-level knowledge-base programming language of osam * . kbms. authors: stanley y. w. su , javier arroyo , herman lam , yuh-ming shyy. venue: vldb j.. year: 1996", "productB": "title: pm3 : an orthogonal persistent systems programming language - design , implementation , performance. authors: antony l. hosking , jiawan chen. venue: very large data bases. year: 1999", "same": false} +{"productA": "title: updating xml. authors: daniel s. weld , zachary g. ives , igor tatarinov , alon y. halevy. venue: sigmod conference. year: 2001", "productB": "title: updating xml. authors: igor tatarinov , zachary g. ives , alon y. halevy , daniel s. weld. venue: international conference on management of data. year: 2001", "same": true} +{"productA": "title: on processing xml in ldap. authors: pedro jos\u00e9 marr\u00f3n , georg lausen. venue: vldb. year: 2001", "productB": "title: on processing xml in ldap. authors: pedro jos é marr ó n , georg lausen. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: picture programming project. authors: nita goyal , mosh\u00e9 m. zloof , charles hoch , michael suckow , ravi krishnamurthy , brian meckler. venue: sigmod conference. year: 1997", "productB": "title: picture programming project. authors: nita goyal , charles hoch , ravi krishnamurthy , brian meckler , michael suchow , moshe zloof. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: a comparison of selectivity estimators for range queries on metric attributes. authors: bernhard seeger , bj\u00f6rn blohsfeld , dieter korus. venue: sigmod conference. year: 1999", "productB": "title: selectivity estimation for spatio-temporal queries to moving objects. authors: yong-jin choi , chin-wan chung. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: fast algorithms for projected clustering. authors: joel l. wolf , cecilia magdalena procopiuc , jong soo park , charu c. aggarwal , philip s. yu. venue: sigmod conference. year: 1999", "productB": "title: sqlem : fast clustering in sql using the em algorithm. authors: carlos ordonez , paul cereghini. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: an execution model for limited ambiguity rules and its application to derived data update. authors: i-min a. chen , dennis mcleod , richard hull. venue: acm trans . database syst .. year: 1995", "productB": "title: an execution model for limited ambiguity rules and its application to derived data update. authors: i.-min a. chen , richard hull , dennis mcleod. venue: acm transactions on database systems ( tods ). year: 1995", "same": true} +{"productA": "title: metadata for multimedia documents. authors: thomas c. rakow , klemens b\u00f6hm. venue: sigmod record. year: 1994", "productB": "title: metadata for mixed-media access. authors: francine chen , marti hearst , julian kupiec , jan pedersen , lynn wilcox. venue: acm sigmod record. year: 1994", "same": false} +{"productA": "title: implementing deductive databases by mixed integer programming. authors: anil nerode , colin bell , raymond t. ng , v. s. subrahmanian. venue: acm trans . database syst .. year: 1996", "productB": "title: implementing database operations using simd instructions. authors: jingren zhou , kenneth a. ross. venue: international conference on management of data. year: 2002", "same": false} +{"productA": "title: versions and workspaces in microsoft repository. authors: shankar pal , thomas bergstraesser , philip a. bernstein , david shutt. venue: sigmod conference. year: 1999", "productB": "title: the microsoft repository. authors: philip a. bernstein , brian harry , paul sanders , david shutt , jason zander. venue: very large data bases. year: 1997", "same": false} +{"productA": "title: the lotus notes storage system. authors: kenneth moore. venue: sigmod conference. year: 1995", "productB": "title: the naos system. authors: c. collet , t. coupaye. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: provision of market services for eco compliant electronic market places. authors: sena nural arpinar , asuman dogac. venue: sigmod record. year: 2000", "productB": "title: design and implementation of rmp : a virtual electronic market place. authors: susanne boll , wolfgang klas , bernard battaglin. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: the gmap : a versatile tool for physical data independence. authors: marvin h. solomon , yannis e. ioannidis , odysseas g. tsatalos. venue: vldb. year: 1994", "productB": "title: the gmap : a versatile tool for physical data independence. authors: odysseas g. tsatalos , marvin h. solomon , yannis e. ioannidis. venue: the vldb journal -- the international journal on very large data bases. year: 1996", "same": false} +{"productA": "title: parallel evaluation of multi-join queries. authors: jan flokstra , annita n. wilschut , peter m. g. apers. venue: sigmod conference. year: 1995", "productB": "title: on applying hash filters to improving the execution of multi-join queries. authors: ming-syan chen , hui-i hsiao , philip s. yu. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: parameterized complexity for the database theorist. authors: martin grohe. venue: sigmod record. year: 2002", "productB": "title: parameterized complexity for the database theorist. authors: martin grohe. venue: acm sigmod record. year: 2002", "same": true} +{"productA": "title: developing an indexing scheme for xml document collection using the oracle8i extensibility framework. authors: ying hu , timothy chorma , nipun agarwal , seema sundara , jagannathan srinivasan. venue: vldb. year: 2001", "productB": "title: developing an indexing scheme for xml document collection using the oracle8i extensibility framework. authors: seema sundara , ying hu , timothy chorma , nipun agarwal , jagannathan srinivasan. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: special issue on data mining for intrusion detection and threat analysis - guest editor 's introduction. authors: daniel barbar\u00e1. venue: sigmod record. year: 2001", "productB": "title: special section on data mining for intrusion detection and threat analysis. authors: daniel barbar á. venue: acm sigmod record. year: 2001", "same": false} +{"productA": "title: graphical interaction with heterogeneous databases. authors: tiziana catarci , john cardiff , giuseppe santucci. venue: vldb j.. year: 1997", "productB": "title: integration of heterogeneous databases without common domains using queries based on textual similarity. authors: william w. cohen. venue: international conference on management of data. year: 1998", "same": false} +{"productA": "title: historical queries along multiple lines of time evolution. authors: vassilis j. tsotras , gad m. landau , jeanette p. schmidt. venue: vldb j.. year: 1995", "productB": "title: historical queries along multiple lines of time evolution. authors: gad m. landau , jeanette p. schmidt , vassilis j. tsotras. venue: the vldb journal -- the international journal on very large data bases. year: 1995", "same": true} +{"productA": "title: the lowell report. authors: hans-j\u00f6rg schek , michael stonebraker , jim gray , jeffrey d. ullman. venue: sigmod conference. year: 2003", "productB": "title: the lowell report. authors: jim gray , hans schek , michael stonebraker , jeff ullman. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: tpc-d : the challenges , issues and results. authors: ramesh bhashyam. venue: vldb. year: 1996", "productB": "title: tpc-d : the challenges , issues and results. authors: ramesh bhashyam. venue: very large data bases. year: 1996", "same": true} +{"productA": "title: the software information base : a server for reuse. authors: panos constantopoulos , yannis vassiliou , matthias jarke , john mylopoulos. venue: vldb j.. year: 1995", "productB": "title: mapinfo spatialware : a spatial information server for rdbms. authors: chebel mina. venue: very large data bases. year: 1998", "same": false} +{"productA": "title: publish/subscribe on the web at extreme speed. authors: dennis shasha , radu preotiuc-pietro , jo\u00e3o pereira , kenneth a. ross , fran\u00e7ois llirbat , fran\u00e7oise fabret. venue: vldb. year: 2000", "productB": "title: publish/subscribe on the web at extreme speed. authors: jo ã o pereira , fran ç oise fabret , fran ç ois llirbat , radu preotiuc-pietro , kenneth a. ross , dennis shasha. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: the jungle database search engine. authors: linas bukauskas , curtis e. dyreson , michael h. b\u00f6hlen. venue: sigmod conference. year: 1999", "productB": "title: the jungle database search engine. authors: michael b ö hlen , linas bukauskas , curtis dyreson. venue: international conference on management of data. year: 1999", "same": true} +{"productA": "title: novel approaches in query processing for moving object trajectories. authors: yannis theodoridis , dieter pfoser , christian s. jensen. venue: vldb. year: 2000", "productB": "title: novel approaches in query processing for moving object trajectories. authors: dieter pfoser , christian s. jensen , yannis theodoridis. venue: very large data bases. year: 2000", "same": true} +{"productA": "title: garlic : a new flavor of federated query processing for db2. authors: peter m. schwarz , laura m. haas , vanja josifovski , eileen tien lin. venue: sigmod conference. year: 2002", "productB": "title: garlic : a new flavor of federated query processing for db2. authors: vanja josifovski , peter schwarz , laura haas , eileen lin. venue: international conference on management of data. year: 2002", "same": true} +{"productA": "title: open gis and on-line environmental libraries. authors: kenn gardels. venue: sigmod record. year: 1997", "productB": "title: open gis and on-line environmental libraries. authors: kenn gardels. venue: acm sigmod record. year: 1997", "same": true} +{"productA": "title: w3qs : a query system for the world-wide web. authors: david konopnicki , oded shmueli. venue: vldb. year: 1995", "productB": "title: database techniques for the world-wide web : a survey. authors: daniela florescu , alon levy , alberto mendelzon. venue: acm sigmod record. year: 1998", "same": false} +{"productA": "title: selectivity estimation without the attribute value independence assumption. authors: viswanath poosala , yannis e. ioannidis. venue: vldb. year: 1997", "productB": "title: selectivity estimation without the attribute value independence assumption. authors: viswanath poosala , yannis e. ioannidis. venue: very large data bases. year: 1997", "same": true} +{"productA": "title: cache-and-query for wide area sensor databases. authors: phillip b. gibbons , srinivasan seshan , suman kumar nath , amol deshpande. venue: sigmod conference. year: 2003", "productB": "title: cache-and-query for wide area sensor databases. authors: amol deshpande , suman nath , phillip b. gibbons , srinivasan seshan. venue: international conference on management of data. year: 2003", "same": true} +{"productA": "title: efficient concurrency control for broadcast environments. authors: arvind nithrakashyap , rajendran m. sivasankaran , jayavel shanmugasundaram , krithi ramamritham. venue: sigmod conference. year: 1999", "productB": "title: efficient optimistic concurrency control using loosely synchronized clocks. authors: atul adya , robert gruber , barbara liskov , umesh maheshwari. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: directv and oracle rdb : the challenges of vldb transaction processing. authors: william l. gettys. venue: sigmod conference. year: 1995", "productB": "title: the impact of object technology on commercial transaction processing. authors: edward e. cobb. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: concurrency in the data warehouse. authors: richard taylor. venue: vldb. year: 2000", "productB": "title: the oracle warehouse. authors: gary hallmark. venue: very large data bases. year: 1995", "same": false} +{"productA": "title: the infosleuth project. authors: marek rusinkiewicz , tomasz ksiezyk , richard s. brice , ray shea , vipul kashyap , andrzej cichocki , mosfeq rashid , c. unnikrishnan , abdelsalam helal , amy unruh , marian h. nodine , jerry fowler , darrell woelk , gale martin , roberto j. bayardo jr. , william bohrer. venue: sigmod conference. year: 1997", "productB": "title: the infosleuth project. authors: r. j. bayardo , jr. , w. bohrer , r. brice , a. cichocki , j. fowler , a. halal , v. kashyap , t. ksiezyk , g. martin , m. nodine , m. rashid , m. rusinkiewicz , r. shea , c. unnikrishnan , a. unruh , d. woelk. venue: international conference on management of data. year: 1997", "same": true} +{"productA": "title: join synopses for approximate query answering. authors: swarup acharya , viswanath poosala , phillip b. gibbons , sridhar ramaswamy. venue: sigmod conference. year: 1999", "productB": "title: congressional samples for approximate answering of group-by queries. authors: swarup acharya , phillip b. gibbons , viswanath poosala. venue: international conference on management of data. year: 2000", "same": false} +{"productA": "title: a formal perspective on the view selection problem. authors: rada chirkova , dan suciu , alon y. halevy. venue: vldb j.. year: 2002", "productB": "title: a formal perspective on the view selection problem. authors: rada chirkova , alon y. halevy , dan suciu. venue: very large data bases. year: 2001", "same": false} +{"productA": "title: high-concurrency locking in r-trees. authors: douglas banks , marcel kornacker. venue: vldb. year: 1995", "productB": "title: concurrency and recovery for index trees. authors: david lomet , betty salzberg. venue: the vldb journal -- the international journal on very large data bases. year: 1997", "same": false} +{"productA": "title: dynamat : a dynamic view management system for data warehouses. authors: nick roussopoulos , yannis kotidis. venue: sigmod conference. year: 1999", "productB": "title: monotonic complements for independent data warehouses. authors: d. laurent , j. lechtenb ö rger , n. spyratos , g. vossen. venue: the vldb journal -- the international journal on very large data bases. year: 2001", "same": false} +{"productA": "title: analyzing energy behavior of spatial access methods for memory-resident data. authors: anand sivasubramaniam , sudhanva gurumurthi , narayanan vijaykrishnan , ning an , mary jane irwin , mahmut t. kandemir. venue: vldb. year: 2001", "productB": "title: analyzing energy behavior of spatial access methods for memory-resident data. authors: ning an , anand sivasubramaniam , narayanan vijaykrishnan , mahmut t. kandemir , mary jane irwin , sudhanva gurumurthi. venue: very large data bases. year: 2001", "same": true} +{"productA": "title: delivering presentations from multimedia servers. authors: nevzat hurkan balkir , gultekin \u00f6zsoyoglu. venue: vldb j.. year: 1998", "productB": "title: fault tolerant design of multimedia servers. authors: steven berson , leana golubchik , richard r. muntz. venue: international conference on management of data. year: 1995", "same": false} +{"productA": "title: microsoft universal data access platform. authors: michael pizzo , jos\u00e9 a. blakeley. venue: sigmod conference. year: 1998", "productB": "title: microsoft universal data access platform. authors: jos é a. blakeley , michael j. pizzo. venue: international conference on management of data. year: 1998", "same": true} +{"productA": "title: sequoia 2000 metadata schema for satellite images. authors: michael stonebraker , jean t. anderson. venue: sigmod record. year: 1994", "productB": "title: sequoia 2000 metadata schema for satellite images. authors: jean t. anderson , michael stonebraker. venue: acm sigmod record. year: 1994", "same": true} +{"productA": "title: design issues and challenges for rdf - and schema-based peer-to-peer systems. authors: wolf siberski , wolfgang nejdl , michael sintek. venue: sigmod record. year: 2003", "productB": "title: design issues and challenges for rdf - and schema-based peer-to-peer systems. authors: wolfgang nejdl , wolf siberski , michael sintek. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: luis gravano , hector garcia-molina. venue: vldb. year: 1995", "productB": "title: generalizing gloss to vector-space databases and broker hierarchies. authors: luis gravano , hector garcia-molina. venue: very large data bases. year: 1995", "same": true} +{"productA": "title: managing video data in a mobile environment. authors: rafael alonso , yuh-lin chang , v. s. mani , liviu iftode. venue: sigmod record. year: 1995", "productB": "title: managing video data in a mobile environment. authors: rafael alonso , yuh-lin chang , liviu iftode , v. s. mani. venue: acm sigmod record. year: 1995", "same": true} +{"productA": "title: time management for new faculty. authors: anastassia ailamaki , johannes gehrke. venue: sigmod record. year: 2003", "productB": "title: time management for new faculty. authors: anastassia ailamaki , johannes gehrke. venue: acm sigmod record. year: 2003", "same": true} +{"productA": "title: chronological scheduling of transactions with temporal dependencies. authors: marek rusinkiewicz , dimitrios georgakopoulos , witold litwin. venue: vldb j.. year: 1994", "productB": "title: chronological scheduling of transactions with temporal dependencies. authors: dimitrios georgakopoulos , marek rusinkiewicz , witold litwin. venue: the vldb journal -- the international journal on very large data bases. year: 1994", "same": true} +{"productA": "title: eiha ?!? : deploying web and wap services using xml technology. authors: jean-christophe r. pazzaglia , chiara biancheri , gavino paddeu. venue: sigmod record. year: 2001", "productB": "title: eiha ?!? : deploying web and wap services using xml technology. authors: chiara biancheri , jean-christophe pazzaglia , gavino paddeu. venue: acm sigmod record. year: 2001", "same": true} +{"productA": "title: discovery of influence sets in frequently updated databases. authors: ioana stanoi , amr el abbadi , divyakant agrawal , mirek riedewald. venue: vldb. year: 2001", "productB": "title: discovery of influence sets in frequently updated databases. authors: ioana stanoi , mirek riedewald , divyakant agrawal , amr el abbadi. venue: very large data bases. year: 2001", "same": true}