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Multi-criteria linguistic interval group decision-making approach

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2 Author(s)
Jianqiang, Wang ; School of Business, Central South Univ., Changsha 410083, P. R. China ; Xiaohong, Chen

For group decision-making problems with linguistic assessment information, a new method based on two-tuple and WC-OWA operator is proposed, in which the criteria's weights and the decision-makers' preference information might take the form of linguistic grade, or might be between two continuous linguistic grades, or might be linguistic interval, or might be default. In this method, all linguistic values are transformed into two-tuple, and an aggregative decision-making matrix is obtained by using interval operation. The group aggregative values of each criterion on alternatives are computed by using a WC-OWA operator, the aggregative values on alternatives are worked out, and transformed into two-tuple. And the rank of the alternatives is obtained by using the order property of two-tuple. An example shows the feasibility and effectiveness of the proposed method.

Published in:

Systems Engineering and Electronics, Journal of  (Volume:19 ,  Issue: 5 )

Date of Publication:

Oct. 2008

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