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Decision support functions embedded in GIS
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Responsible organisation
2001 (English)In: Nordic GIS Conference in Helsinki, 8-10 october 2001, 2001Conference paper, (Refereed)
Abstract [en]

The value of any GIS will be greatly improved if embedded with a proper decision support. In this way it will be possible to have the GIS supporting in complex and tricky, multi criteria decisions regarding for example the best localization of new constructions and activities. The common way of doing this is by help of overlays, one overlay for each criteria or variable of importance for the decision. This procedure, however, has already proven itself to have severe drawbacks as it is restricted to the binary rule of a logical AND operation. In this way an infinitesimal failure in one criterion may rule out an otherwise perfect alternative. With an approach based on Fuzzy Logic and Soft Computing, on the other hand, both trade offs between variables and flexible AND-OR rules may be put to use. The so called OWA-procedure is demonstrated to meet those criteria common in real life situations. However, OWA does not solve all problems and further requirements on a spatial decision support are identified.

Place, publisher, year, edition, pages
2001.
Keyword [en]
Decision support systems, GIS, fuzzy logic
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:miun:diva-4240Local ID: 5006OAI: oai:DiVA.org:miun-4240DiVA: diva2:29272
Available from: 2008-12-16 Created: 2008-12-16Bibliographically approved

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Asproth, VivecaHolmberg, StigHåkansson, Anita
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CiteExportLink to record
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Citation style
  • apa
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Output format
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