Different methods, different wilds: Evaluating alternative mappings of wildness using fuzzy MCE and Dempster-Shafer MCE

Robert McMorran, Alexis Comber, Steve Carver, Steffen Fritz, Justin Washtell

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Abstract

Different multi-criteria evaluation (MCE) approaches are applied to a fuzzy wildness mapping problem in Scotland. The result of fuzzy weighted linear combination and fuzzy order weighted averaging approaches are compared with the application of a Dempster-Shafer MCE. We discuss the implications of different approaches in light of decision making associated with suitability in a context where (i) suit- ability (wildness) may not be very well defined, (ii) the decision makers may not fully understand the informatics aspects associated with applying weights, but (iii) require decisions to be accountable and transparent. In such situations we suggest that the outputs of Dempster-Shafer MCE may be more appro- priate than a fully fuzzy model of suitability.
Original languageEnglish
Article number0198-9715/$
Pages (from-to)142-152
Number of pages10
JournalComputers Environment and Urban Systems
Volume34
DOIs
Publication statusPublished - 24 Oct 2009

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Keywords

  • Uncertainty Wildness Fuzzy Dempster-Shafer Multi-criteria evaluation

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