Forgetting in Managing Rules and Ontologies

  • Authors:
  • Thomas Eiter;Giovambattista Ianni;Roman Schindlauer;Hans Tompits;Kewen Wang

  • Affiliations:
  • Technische Universitat Wien, Austria;Technische Universitat Wien, Austria;Technische Universitat Wien, Austria;Technische Universitat Wien, Austria;Griffith University, Australia

  • Venue:
  • WI '06 Proceedings of the 2006 IEEE/WIC/ACM International Conference on Web Intelligence
  • Year:
  • 2006

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Abstract

The language of HEX-programs under the answer-set semantics is designed for interoperating with heterogeneous sources via external atoms and for meta-reasoning via higher-order literals in the context of the Semantic Web. As an important technique in managing knowledge bases, the notion of forgetting has received increasing interest in the knowledge-representation area. In this paper, we introduce a semantics-based theory of forgetting for HEX-programs and, in turn, for a class of OWL/RDF(S) ontologies which allows to fully employ semantic information in managing ontologies like editing, merging, aligning, and redundancy removal.