Reformulating ontological queries using materialised rewritings
Query rewriting is a prominent reasoning technique in ontologybased data access (OBDA) applications. Roughly speaking, a rewriting of a query Q w.r.t. an ontology is another query Q^1 that can be directly evaluated over the data without further reference to the input ontology. In this paper, we obse...
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Association of Computing Machinery
2016
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