Beyond Well-Designed SPARQL

SPARQL is the standard query language for RDF data. The distinctive feature of SPARQL is the OPTIONAL operator, which allows for partial answers when complete answers are not available due to lack of information. However, optional matching is computationally expensive—query answering is PSPACE-compl...

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Détails bibliographiques
Auteurs principaux: Kostylev, E, Kaminski, M
Format: Conference item
Publié: Dagstuhl Publishing 2015