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View all- Benedikt MKikot SOstropolski-Nalewaja PRomero M(2023)On Monotonic Determinacy and Rewritability for Recursive Queries and ViewsACM Transactions on Computational Logic10.1145/357283624:2(1-62)Online publication date: 17-Mar-2023
We provide a wide-ranging study of the scenario where a subset of the relations in the schema are visible --- that is, their complete contents are known --- while the remaining relations are invisible. We also have integrity constraints (invariants ...
SPARQL 1.1 supports the use of ontologies to enrich query results with logical entailments, and OWL 2 provides a dedicated fragment OWL QL for this purpose. Typical implementations use the OWL QL schema to rewrite a conjunctive query into an ...
Levesque’s proper knowledge bases (proper KBs) correspond to infinite sets of ground positive and negative facts, with the notable property that for FOL formulas in a certain normal form, which includes conjunctive queries and positive queries ...
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