Getting more RDF support from relational databases | Zendy

François Goasdoué | Zendy; Ioana Manolescu | Zendy; Alexandra Roatiş | Zendy

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Getting more RDF support from relational databases

Author(s) -

François Goasdoué,

Ioana Manolescu,

Alexandra Roatiş

Publication year - 2012

Publication title -

hal (le centre pour la communication scientifique directe)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1145/2187980.2188104

Subject(s) - sparql , rdf , computer science , relational database , rdf query language , information retrieval , rdf schema , fragment (logic) , database , graph , theoretical computer science , semantic web , search engine , programming language , web search query , web query classification

We introduce the database fragment of RDF, which extends the popular Description Logic fragment, in particular with support for incomplete information. We then provide novel sound and complete saturation- and reformulation-based techniques for answering the Basic Graph Pattern queries of SPARQL in this fragment. Notably, we extend the state of the art on pushing RDF query processing within robust / efficient relational database management systems. Finally, we experimentally compare our query answering techniques using well-established datasets.

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