Web-enabled spatial decision analysis using Ordered Weighted Averaging (OWA)

Claus Rinner and Jacek Malczewski
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Claus Rinner: Institute for Geoinformatics (IfGI), University of Münster, Robert-Koch-Str. 26-28, 48149 Münster, Germany (e-mail: rinner@ifgi.uni-muenster.de)
Jacek Malczewski: Department of Geography, University of Western Ontario, London, Ontario N6A 5C2, Canada (e-mail: jmalczew@uwo.ca)

Journal of Geographical Systems, 2002, vol. 4, issue 4, 385-403

Abstract: Abstract. This paper presents a spatial decision support tool that implements the Ordered Weighted Averaging (OWA) method. OWA is a family of multicriteria evaluation operators characterised by two sets of weights: criterion importance weights and order weights. We propose a highly interactive way of choosing, modifying, and fine-tuning the decision strategy defined by the order weights. This exploratory approach to OWA is supported by a graphical representation of the operator's behaviour in terms of decision risk and tradeoff/dispersion between criteria. Our prototype implementation is based on the CommonGIS software, and thus, Web-enabled and working with vector data. We successfully demonstrate online, exploratory support of spatial decision strategies using a data set of skiing resorts in Wallis, Switzerland.

Keywords: Key words: Web-enabled spatial decision analysis; multicriteria evaluation; Ordered Weighted Averaging (OWA); Geographic Information Systems (search for similar items in EconPapers)
Date: 2002
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:kap:jgeosy:v:4:y:2002:i:4:d:10.1007_s101090300095

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DOI: 10.1007/s101090300095

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