Modeling subjective evaluation for fuzzy group multicriteria decision making
This paper presents a new fuzzy multicriteria decision making (MCDM) approach for evaluating decision alternatives involving subjective judgements made by a group of decision makers. A pairwise comparison process is used to help individual decision makers make comparative judgements, and a linguistic rating method is used for making absolute judgements. A hierarchical weighting method is developed to assess the weights of a large number of evaluation criteria by pairwise comparisons. To reflect the inherent imprecision of subjective judgements, individual assessments are aggregated as a group assessment using triangular fuzzy numbers. To obtain a cardinal preference value for each decision alternative, a new fuzzy MCDM algorithm is developed by extending the concept of the degree of optimality to incorporate criteria weights in the distance measurement. An empirical study of aircraft selection is presented to illustrate the effectiveness of the approach.
Year of publication: |
2009
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Authors: | Yeh, Chung-Hsing ; Chang, Yu-Hern |
Published in: |
European Journal of Operational Research. - Elsevier, ISSN 0377-2217. - Vol. 194.2009, 2, p. 464-473
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Publisher: |
Elsevier |
Keywords: | Fuzzy multicriteria decision making Group decisions Comparative judgement Absolute judgement TOPSIS |
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