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06/09/2023
Query Rewriting with Disjunctive Existential Rules and Mappings
We consider the issue of answering unions of conjunctive queries (UCQs) ...
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06/15/2020
Oblivious and Semi-Oblivious Boundedness for Existential Rules
We study the notion of boundedness in the context of positive existentia...
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04/21/2020
Characterizing Boundedness in Chase Variants
Existential rules are a positive fragment of first-order logic that gene...
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10/22/2018
On the k-Boundedness for Existential Rules
The chase is a fundamental tool for existential rules. Several chase var...
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10/04/2018