Titolo: Incorporating Relational Data into the Semantic Web- Fronal.OWLom Databases to RDF using Relational.OWL
Editore: VDM Verlag Dr. Mueller E.K.
Data di pubblicazione: 2007
Lingua: Inglese
ISBN 10: 3836451670
ISBN 13: 9783836451673
Rilegatura: Brossura
Condizione: New

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Riassunto

Relational.OWL is a technique to automatically convert a relational database into a Semantic Web representation, enabling Semantic Web applications to access data actually stored in relational databases using their own built-in functionality. Since this representation does not result in objects containing real semantics, we additionally show how to create mappings from the rela�tional model to a target ontology using an arbitrary closed RDF query language. Using current Semantic Web techniques, a formerly relational data item, once converted to its Semantic Web representation, can neither be identified unambiguously, nor be backtracked to its original storage location in the relational database. We hence introduce a novel URI scheme for identifying not only databases, but also their schema and data components like tables or columns, giving us the possibility to specify the exact and identifying storage location of any data item in its original data source.

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