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... between database schemas. Schema mappings are prominent in several different areas of database management, including database design, ... and peer-to-peer data management systems. Our main aim in this paper is to present an overview of recent advances in data exchange and ...
Publication - cat - 04/16/2013 - 21:27 - 0 comments - 1 attachment
... for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is ... depending on the kind of schemas and systems involved in the mapping. Clio currently produces XQuery, XSLT, SQL, and SQL/XML queries. ...
Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment
... is the problem of identifying corresponding elements in different schemas. Discovering these correspondences or matches is ... rather poorly due to the lack ofsufficient evidence in the schemas being matched. In this paper we show how a corpus of schemas and mappings can be used to ...
Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment
... Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of ... depending on the schemas, such as schema mappings. In a heterogenous environment, where cooperation among data sources depends ...
Publication - cat - 04/16/2013 - 09:16 - 0 comments - 1 attachment