The qualitative trajectory calculus on networks

  • Authors:

  • Peter Bogaert;Nico Van De Weghe;Anthony G. Cohn;Frank Witlox;Philippe De Maeyer

  • Affiliations:

  • Ghent University, Department of Geography, Gent, Belgium;Ghent University, Department of Geography, Gent, Belgium;University of Leeds, School of Computing, Leeds, United Kingdom;Ghent University, Department of Geography, Gent, Belgium;Ghent University, Department of Geography, Gent, Belgium

  • Venue:
  • SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
  • Year:
  • 2006

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Abstract

Moving objects are commonly handled using quantitative methods and information. However, in many cases, qualitative information can be more efficient and more meaningful than quantitative information. A lot of research has been done in generating, indexing, modelling and querying network-based moving objects, but little work has been done in building a calculus of relations between these objects in a qualitative way. In this paper, we introduce a formal definition of how to represent and reason about the relative trajectories of pairs of objects moving along a network.