Computing Spatial Similarity by Games

  • Authors:
  • Marco Aiello

  • Affiliations:
  • -

  • Venue:
  • AI*IA 01 Proceedings of the 7th Congress of the Italian Association for Artificial Intelligence on Advances in Artificial Intelligence
  • Year:
  • 2001

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Abstract

The multi-modal logic S4u, known in the field of qualitative spatial reasoning to be a decidable formalism for expressing topological and mereological properties, can also be exploited to define a distance measure among patterns. Here, we recall the notion of topological distance defined in terms of games over S4u models, and show how it is effectively computed for a specific class of models: the class of polygons of the real plane, a class of topological models widely used in computer science and AI applications. Finally, we briefly overview an implemented system based on the presented framework. This paper is the practical counterpart of, and continuation to [1].