Applying spatial reasoning to topographical data with a grounded geographical ontology

  • Authors:
  • David Mallenby;Brandon Bennett

  • Affiliations:
  • School of Computing, University of Leeds, Leeds, UK;School of Computing, University of Leeds, Leeds, UK

  • Venue:
  • GeoS'07 Proceedings of the 2nd international conference on GeoSpatial semantics
  • Year:
  • 2007

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Abstract

Grounding an ontology upon geographical data has been proposed as a method of handling the vagueness in the domain more effectively. In order to do this, we require methods of reasoning about the spatial relations between the regions within the data. This stage can be computationally expensive, as we require information on the location of points in relation to each other. This paper illustrates how using knowledge about regions allows us to reduce the computation required in an efficient and easy to understand manner. Further, we show how this system can be implemented in co-ordination with segmented data to reason about features within the data.