Contextual default reasoning

  • Authors:
  • Gerhard Brewka;Floris Roelofsen;Luciano Serafini

  • Affiliations:
  • Universität Leipzig, Leipzig, Germany;University of Amsterdam, ILLC, Amsterdam, Netherlands;ITC-irst, Trento, Italy

  • Venue:
  • IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
  • Year:
  • 2007

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Abstract

In this paper we introduce a multi-context variant of Reiter's default logic. The logic provides a syntactical counterpart of Roelofsen and Serafini's information chain approach (IJCAI-05), yet has several advantages: it is closer to standard ways of representing nonmonotonic inference and a number of results from that area come "for free"; it is closer to implementation, in particular the restriction to logic programming gives us a computationally attractive framework; and it allows us to handle a problem with the information chain approach related to skeptical reasoning.