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Composing Schema Mappings: Second-Order Dependencies to the Rescue

... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...

Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment

Relational languages for metadata integration

... 0 Citations range:  n/a Attachment Size ... 676.21 KB In this article, we develop a relational algebra for metadata integration, Federated Interoperable ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

On the computation of relational view complements

... range:  n/a Attachment Size ... 311.36 KB Views as a means to describe parts of a given data collection play an important role in many database applications. ...

Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment