Temporal Description Logic for Ontology-Based Data Access (Extended Version)
Alessandro Artale, Roman Kontchakov, Frank Wolter, Michael, Zakharyaschev
TL;DR
This paper introduces TQL, a temporal description logic extending OWL 2 QL, enabling temporal conceptual modeling and maintaining query rewritability for temporal data in ontology-based data access.
Contribution
The paper presents TQL, a novel temporal description logic that supports temporal modeling and preserves first-order rewritability, advancing ontology-based data access over temporal data.
Findings
TQL supports temporal conceptual modeling.
TQL ensures first-order rewritability of conjunctive queries.
TQL extends OWL 2 QL with temporal features.
Abstract
Our aim is to investigate ontology-based data access over temporal data with validity time and ontologies capable of temporal conceptual modelling. To this end, we design a temporal description logic, TQL, that extends the standard ontology language OWL 2 QL, provides basic means for temporal conceptual modelling and ensures first-order rewritability of conjunctive queries for suitably defined data instances with validity time.
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Taxonomy
TopicsSemantic Web and Ontologies · Advanced Database Systems and Queries · Data Management and Algorithms