Ontology-mediated queries: Combined complexity and succinctness of rewritings via circuit complexity

We give solutions to two fundamental computational problems in ontology-based data access with the W3C standard ontology language OWL 2 QL: the succinctness problem for first-order rewritings of ontology-mediated queries (OMQs) and the complexity problem for OMQ answering. We classify OMQs according...

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Príomhchruthaitheoirí: Bienvenu, M, Kikot, S, Kontchakov, R, Podolskii, VV, Zakharyaschev, M
Formáid: Journal article
Foilsithe / Cruthaithe: Association for Computing Machinery 2018