Topological Relations Between Regions in IR 2 and ZZ 2 *

  title={Topological Relations Between Regions in IR 2 and ZZ 2 *},
  author={Max J. Egenhofer and Jayant Sharma},
Users of geographic databases that integrate spatial data represented in vector and raster models, should not perceive the differences among the data models in which data are represented, nor should they be forced to apply different concepts depending on the model in which spatial data are represented. A crucial aspect of spatial query languages for such integrated systems is the need mechanisms to process queries about spatial relations in a consistent fashion. This paper compares topological… CONTINUE READING


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