Integrating Ontology Languages and Answer Set Programming

  • Authors:
  • S. Heymans;D. Vermeir

  • Affiliations:
  • -;-

  • Venue:
  • DEXA '03 Proceedings of the 14th International Workshop on Database and Expert Systems Applications
  • Year:
  • 2003

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Abstract

We integrate ontology languages and logic programming(LP) by extending disjunctive logic programs (DLPs) andtheir semantics in order to support inverses and an infiniteuniverse, without introducing function symbols. We showthat this extension is still decidable, and can be used tosimulate, on the one hand, answer set programming witha finite universe, and on the other hand, several expressivedescription logics (DLs), which can be seen as ontology languages.The integration leads to a "best of both worlds":from the LP side it inherits a flexible and intuitive representationof knowledge, whereas the DLs side provides thepossibility to represent infinite knowledge.