Towards Reconciling SPARQL and Certain Answers

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Provided by: RWTH Aachen University
Topic: Data Management
Format: PDF
SPARQL entailment regimes are strongly in influenced by the big body of works on ontology-based query answering, notably in the area of Description Logics (DLs). However, the semantics of query answering under SPARQL entailment regimes is defined in a more naive and much less expressive way than the certain answer semantics usually adopted in database and DL literature. In this paper, the authors introduce an intuitive certain answer semantics also for SPARQL and show the feasibility of this approach.
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