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A small set of formal topological relationships suitable for end-user interaction

  • Eliseo Clementini
  • Paolino Di Felice
  • Peter van Oosterom
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 692)

Abstract

Topological relationships between spatial objects represent important knowledge that users of geographic information systems expect to retrieve from a spatial database. A difficult task is to assign precise semantics to user queries involving concepts such as “crosses”, “is inside”, “is adjacent”. In this paper, we present two methods for describing topological relationships. The first method is an extension of the geometric point-set approach by taking the dimension of the intersections into account. This results in a very large number of different topological relationships for point, line, and area features. In the second method, which aims to be more suitable for humans, we propose to group all possible cases into a few meaningful topological relationships and we discuss their exclusiveness and completeness with respect to the point-set approach.

Keywords

Query Language Geographic Information System Area Feature Topological Relationship Spatial Query 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Eliseo Clementini
    • 1
  • Paolino Di Felice
    • 1
  • Peter van Oosterom
    • 2
  1. 1.Dipartimento di Ingegneria ElettricaUniversità di L'AquilaPoggio di RoioItaly
  2. 2.TNO Physics and Electronics LaboratoryJG The HagueThe Netherlands

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