Temporal Description Logic for Ontology-Based Data Access

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 firstorder rewritability of conjunctive queries for suitably defined data instances with validity time.

Authors

• Alessandro Artale
• Roman Kontchakov
• Frank Wolter
• Michael Zakharyaschev

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