Locating a waste treatment facility by using stochastic multicriteria acceptability analysis with ordinal criteria

Locating a waste treatment facility by using stochastic multicriteria acceptability analysis with ordinal criteria

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Article ID: iaor20031771
Country: Netherlands
Volume: 142
Issue: 2
Start Page Number: 345
End Page Number: 356
Publication Date: Oct 2002
Journal: European Journal of Operational Research
Authors: , ,
Keywords: programming: multiple criteria, programming: probabilistic
Abstract:

In this paper we describe a real-life application of an ordinal multicriteria method in the context of choosing a location for a waste treatment facility near Lappeenranta in South-Eastern Finland. The associated environmental impact assessment procedure is briefly described. The application was characterized by two interesting properties: no preference information was available, and only ordinal measurements for the criteria were available. The large amount of data obtained was then analyzed using the SMAA-O method – Stochastic Multicriteria Acceptability Analysis with Ordinal criteria designed for this problem setting. SMAA-O converts ordinal information into cardinal data by simulating all possible mappings between ordinal and cardinal scales that preserve the given rankings. As with the basic SMAA-method, the decision makers' (DMs) unknown or partly known preferences are at the same time simulated by choosing weights randomly from appropriate distributions. The main results of the analysis are acceptability indices for alternatives describing the variety of preferences that could make each alternative the best choice. Based on these and additional considerations, the DMs made the final choice for the location of the plant.

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