Titlebook: Semantic Web, Ontologies and Databases; VLDB Workshop, SWDB- Vassilis Christophides,Martine Collard,Claudio Gut Conference proceedings 2008

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Georg Lausenerve study and recognition in the world­ wide philosophical community. Of course, Italy has long been related to that world community in scien­ titlc matters.978-90-277-1073-4978-94-009-8937-5Series ISSN 0068-0346 Series E-ISSN 2214-7942

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An Extension of SPARQL for RDFS,nd there is not yet consensus in the Semantic Web community on how to define a query language for RDFS. In this paper, we introduce a language for querying RDFS data. This language is obtained by extending SPARQL with . that allow to . through an RDF graph with RDFS vocabulary. This language is expr

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An Effective SPARQL Support over Relational Databases,eries include restrictions on values (i.e filter expressions), whereas such a scenario is very common in real life applications. Challenges to solve this problem come from two aspects, (1) databases aspect. In order to fully utilize the well-developed SQL optimization engine, the generated SQL query

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Implementing the COntext INterchange (COIN) Approach through Use of Semantic Web Tools,ontext mediation. The existing implementation of COIN uses its own notation and syntax for representing ontologies. More recently, the OWL Web Ontology Language is becoming established as the W3C recommended ontology language. A bridge is needed between these two areas and an explanation on how each