2023
IJCAI
IJCAI 2023
Finite Entailment of UCRPQs over ALC Ontologies (Extended Abstract)
Abstract
We investigate the problem of finite entailment of ontology-mediated queries. We consider the expressive query language, unions of conjunctive regular path queries (UCRPQs), extending the well-known class of unions of conjunctive queries, with regular expressions over roles. We look at ontologies formulated using the description logic ALC, and show a tight 2ExpTime upper bound for finite entailment of UCRPQs.
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