The combined approach to ontology-based data access

Authors:
R. Kontchakov;C. Lutz;D. Toman;F. Wolter;M. Zakharyaschev
Affiliations:
Department of CS and Information Systems, Birkbeck College London, UK;Fachbereich Mathematik und Informatik, Universität Bremen, Germany;D.R. Cheriton School of CS, University of Waterloo, Canada;Department of Computer Science, University of Liverpool, UK;Department of CS and Information Systems, Birkbeck College London, UK
Venue:
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Three
Year:
2011

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Abstract

The use of ontologies for accessing data is one of the most exciting new applications of description logics in databases and other information systems. A realistic way of realising sufficiently scalable ontology-based data access in practice is by reduction to querying relational databases. In this paper, we describe the combined approach, which incorporates the information given by the ontology into the data and employs query rewriting to eliminate spurious answers. We illustrate this approach for ontologies given in the DL-Lite family of description logics and briefly discuss the results obtained for the EL family.