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cs.DB2024
Monotone Rewritability and the Analysis of Queries, Views, and Rules
Michael Benedikt, Stanislav Kikot, Johannes Marti +1
We study the interaction of views, queries, and background knowledge in the form of existential rules. The motivating questions concern monotonic determinacy of a query using views…
cs.DB2020★ 10 cited
Query Expressibility and Verification in Ontology-Based Data Access
Carsten Lutz, Johannes Marti, Leif Sabellek
In ontology-based data access, multiple data sources are integrated using an ontology and mappings. In practice, this is often achieved by a bootstrapping process, that is, the ont…