RCC8 is polynomial on networks of bounded treewidth

  • Authors:
  • Manuel Bodirsky;Stefan Wölfl

  • Affiliations:
  • Laboratoire d'Informatique, LIX, CNRS, UMR, École Polytechnique, France;Department of Computer Science, University of Freiburg, Germany

  • Venue:
  • IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Two
  • Year:
  • 2011

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Abstract

We construct an homogeneous (and ω-categorical) representation of the relation algebra RCC8, which is one of the fundamental formalisms for spatial reasoning. As a consequence we obtain that the network consistency problem for RCC8 can be solved in polynomial time for networks of bounded treewidth.