title: the design and implementation of a sequence database system raghu ramakrishnan , miron livny , praveen seshadri 1996. authors: nan. venue: vldb. year: nan
title: specification and implementation of exceptions in workflow management systems fabio casati , stefano ceri , stefano paraboschi , guiseppe pozzi 1999. authors: nan. venue: acm transactions on database systems ( tods ). year: nan