Search: in, Theory, Journal, 10 - 49

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Structural characterizations of schema-mapping languages

... this challenge that have received considerable attention in recent years are data exchange and data integration. The study of data ... database schemas. Schema mappings are typically expressed in declarative languages based on logical formalisms and are chosen with two ...

Publication - cat - 04/17/2013 - 11:16 - 0 comments - 1 attachment

A formal model for temporal schema versioning in object-oriented databases

... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic ...

Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments

Rank Aggregation for Automatic Schema Matching

... tools for automating it have been proposed and evaluated in the database community. Research in this area reveals that there is no single schema matcher that is guaranteed ...

Publication - avigal - 04/17/2013 - 02:05 - 0 comments - 1 attachment

Semantics of Database Transformations

... 323.43 KB Database transformations arise in many different settings including database integration, evolution of ... paper surveys approaches that have been taken to problems in these settings, assesses their strengths and weaknessesd develops ...

Publication - erhard - 04/16/2013 - 11:38 - 0 comments - 1 attachment