Extracting Ontologies from Relational Databases

The use of a conceptual model or ontology over data sources has been shown to be necessary to overcome many important database problems (for a survey see). Since ontologies provide a conceptual view of the application domain, the recent trend to employ such ontologies for navigational (and reasoning) purposes when accessing the data gives additional motivation for the problem of extracting the ontology from database schema. When such ontology exists, modelling the relation between the data sources and ontology is a crucial aspect in order to capture the semantics of the data.

Provided by: Free University of Bolzano Topic: Data Management Date Added: May 2007 Format: PDF

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