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Laconic Schema Mappings: Computing the Core with SQL Queries

... 234.28 KB A schema mapping is a declarative specification of the relationship between instances of a source schema and a target schema. The data exchange (or data translation) ...

Publication - hartung - 04/17/2013 - 12:16 - 0 comments - 1 attachment

Maintenance of views

... Shmueli, O; Itai, A Author:  ... O Itai, A Year:  ...

Publication - cat - 04/17/2013 - 08:05 - 0 comments - 1 attachment

Core Schema Mappings

... about data exchange. These study how to generate a solution -- i.e., a target instance -- given a set of mappings usually specified as tuple generating dependencies. However, ...

Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Change detection in hierarchically structured information

... Sudarshan, C. S.; Rajaraman, A.; Garcia-Molina, H.; Widom, J. ... Rajaraman, A Garcia-Molina, H ...

Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment

Meaningful change detection in structured data

... These operations allows us to describe changes in a semantically more meaningful way. Since this change detection problem is NP-hard, in this paper we present a heuristic change detection algorithm that yields close to “minimal” ... is based on transforming the change detection problem to a problem of computing a minimum-cost edge cover of a bipartite graph. We study ...

Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment

On lossless tranformation of databases schemes not necessarily satisfying universal instance assumption

... range:  n/a Attachment Size ... 748.81 KB Given a multirelational database scheme and a relational mapping f transforming it, an important question is whether the ...

Publication - huliganka - 04/17/2013 - 00:27 - 0 comments - 1 attachment

Compiling mappings to bridge applications and databases

... Melnik, S.; Adya, A.; Bernstein, P.A. Author:  ...

Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 1 attachment

On complementary and independent mappings on databases

... Keller, A.M.; Ullman, J.D. Author:  Keller, A Ullman, J ...

Publication - huliganka - 04/16/2013 - 05:49 - 0 comments - 1 attachment

Learning to Match the Schemas of Data Sources: A Multistrategy Approach

... Doan, A.; Domingos, P.; Halevy, A. Author:  ...

Publication - huliganka - 04/16/2013 - 05:27 - 0 comments - 0 attachments