Multi-Criteria Group Decision Making under Imprecise Preference Judgments - Using Fuzzy Logic with Linguistic Quantifier

The increasing complexity of the socio-economic environments makes it less and less possible for single decision-maker to consider all relevant aspects of problem. Therefore, many organizations employ groups in decision making. In this paper, we present a multiperson decision making method using fuzzy logic with linguistic quantifier when each of group members specifies imprecise judgments possibly both on performance evaluations of alternatives with respect to the multiple criteria and on the criteria. Inexact or vague preferences have appeared in the decision making literatures with a view to relaxing the burdens of preference specifications imposed to the decision-makers and thus taking into account the vagueness of human judgments. Allowing for the types of imprecise judgments in the model, however, makes more difficult a clear selection of alternative(s) that a group wants to make. So, further interactions with the decision-makers may proceed to the extent to compensate for the initial comforts of preference specifications. These interactions may not however guarantee the selection of the best alternative to implement. To circumvent this deadlock situation, we present a procedure for obtaining a satisfying solution by the use of linguistic quantifier guided aggregation which implies fuzzy majority. This is an approach to combine a prescriptive decision method via a mathematical programming and a well-established approximate solution method to aggregate multiple objects.
Publisher
Korea Intelligent Information Systems Society
Issue Date
2006
Keywords

Group Decision Making; Imprecise Preference Judgments; Fuzzy Linguistic Quantifier

Citation

Journal of Inteligent Information System, Vol.12, No.3, 2006. 9, pp.15~32(18)

ISSN
1229-4152
URI
http://hdl.handle.net/10203/5124
Link
http://acms.kisti.re.kr/retrieve/index.jsp?soc=kiiss&lang=kor&pg=Detail
Link
http://www.kiiss.or.kr/
Appears in Collection
KSIM-Journal Papers(저널논문)
Files in This Item
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