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... representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the identification of ... certain of its correctness. However, this is impossible in general, thus a human expert always has to validate or modify it. In this ...
Publication - cat - 04/16/2013 - 12:49 - 0 comments - 0 attachments
... merging, also called view integration, is a key problem in conceptual modeling. Large models are often constructed and accessed by ... sources and to the merge assumptions related to them. In this paper, we present a framework for merging incomplete and inconsistent ...
Publication - cat - 04/16/2013 - 07:05 - 0 comments - 0 attachments
... require that mappings be executable, expressed in SQL, XSLT, or other data transformation languages. In this paper, we develop a semantics for model-management operators that ...
Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment
... data integration, and other data management tasks. In many applications, mappings are given by embedded dependencies. In this paper, we study the issues involved in composing such mappings. Our ...
Publication - cat - 04/16/2013 - 03:16 - 0 comments - 1 attachment