Ranking alternatives using fuzzy numbers |
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Authors: | J.J. Buckley |
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Affiliation: | Mathematics Department, University of Alabama, Birmingham, AL 35294, USA |
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Abstract: | We investigate the problem of employing expert opinion to rank alternatives across a set of criteria. The experts use fuzzy numbers to express their preferences and we employ fuzzy arithmetic to compute an issue's fuzzy ranking. This leads to a partition of the alternatives into sets H1, H2,… where H1 contains the highest ranked issues, H2 has all the second highest ranked alternatives, etc. The total ranking process is shown to possess a number of important properties. An example is presented to illustrate the method. |
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Keywords: | Fuzzy numbers Multiple criteria decision making |
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