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05/04/2022
Ontology-Mediated Querying on Databases of Bounded Cliquewidth
We study the evaluation of ontology-mediated queries (OMQs) on databases...
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07/12/2021
How to Approximate Ontology-Mediated Queries
We introduce and study several notions of approximation for ontology-med...
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11/18/2020
Query Expressibility and Verification in Ontology-Based Data Access
In ontology-based data access, multiple data sources are integrated usin...
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04/29/2019