Efficient Datalog Rewriting for Query Answering in TGD Ontologies
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DOI: 10.1109/tkde.2021.3111011
Abstract: Tuple-generating dependencies (TGDs) are an expressive constraint language for ontology-mediated query answering and thus query answering is of high complexity. Existing systems based on first-order rewriting methods can lead to queries too large for DBMS… read more here.
Keywords: efficient datalog; datalog rewriting; rewriting query; query answering ... See more keywords