Combining Fuzzy Sets and Databases in Multiple Criteria Spatial Decision Making

  • Ashley Morris
  • Piotr Jankowski
Part of the Advances in Soft Computing book series (AINSC, volume 7)


Spatial decision making is a fundamental function of contemporary Geographic Information Systems (GIS). One of the most fertile GIS development areas is integrating multiple criteria decision models (MCDM) into GIS querying mechanisms. The classic approach for this integration has been to use Boolean techniques of MCDM with crisp representations of spatial objects (features) to produce static maps as query answers. By implementing: 1) fuzzy set membership as a method for representing the performance of decision alternatives on evaluation criteria, 2) fuzzy methods for both criteria weighting and capturing geographic preferences, and 3) fuzzy object oriented spatial databases for feature storage, it is possible to visually represent query results more precisely. This will allow decision makers to be more informed, and thus, more correct. We conclude the paper with future research directions and implementation prototype strategies.


Geographic Information System Spatial Decision Fuzzy Object Spatial Decision Support System Fuzzy Term 
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 2001

Authors and Affiliations

  • Ashley Morris
    • 1
  • Piotr Jankowski
    • 2
  1. 1.Department of Computer ScienceUniversity of IdahoMoscow IdahoUSA
  2. 2.Department of GeographyUniversity of IdahoMoscow IdahoUSA

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