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International workshop "Logical Models of Reasoning and Computation"
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On ontology-based data access Michael Zakharyaschev University of London |
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Abstract: In my talk, I am going to discuss recent results on the computational complexity of answering conjunctive queries to databases via ontologies. Such queries are known to be first-order rewritable over ontologies formulated in the OWL 2 QL profile of the Web Ontology Language OWL 2 and various dialects of Datalog Language: English |
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