Coupling Tableau Algorithms for Expressive Description Logics with Completion-Based Saturation Procedures

  • Andreas Steigmiller
  • Birte Glimm
  • Thorsten Liebig
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8562)

Abstract

Nowadays, saturation-based reasoners for the OWL EL profile are able to handle large ontologies such as SNOMED very efficiently. However, saturation-based reasoning procedures become incomplete if the ontology is extended with axioms that use features of more expressive Description Logics, e.g., disjunctions. Tableau-based procedures, on the other hand, are not limited to a specific OWL profile, but even highly optimised reasoners might not be efficient enough to handle large ontologies such as SNOMED. In this paper, we present an approach for tightly coupling tableau- and saturation-based procedures that we implement in the OWL DL reasoner Konclude. Our detailed evaluation shows that this combination significantly improves the reasoning performance on a wide range of ontologies.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Andreas Steigmiller
    • 1
  • Birte Glimm
    • 1
  • Thorsten Liebig
    • 2
  1. 1.University of UlmUlmGermany
  2. 2.derivo GmbHUlmGermany

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