A method for multiple attribute group decision making based on the ET-WG and ET-OWG operators with 2-tuple linguistic information

Authors:
Gui-Wu Wei
Affiliations:
Department of Economics and Management, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, PR China
Venue:
Expert Systems with Applications: An International Journal
Year:
2010

Citing 14
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Abstract

With respect to multiple attribute group decision-making problems with linguistic information of attribute values and weight values, a group decision analysis is proposed. Some new aggregation operators are proposed: the extended 2-tuple weighted geometric (ET-WG) and the extended 2-tuple ordered weighted geometric (ET-OWG) operator and properties of the operators are analyzed. Then, A method based on the ET-WG and ET-OWG operators for multiple attribute group decision-making is presented. In the approach, alternative appraisal values are calculated by the aggregation of 2-tuple linguistic information. Thus, the ranking of alternative or selection of the most desirable alternative(s) is obtained by the comparison of 2-tuple linguistic information. Finally, a numerical example is used to illustrate the applicability and effectiveness of the proposed method.