期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 203, 期 2, 页码 455-463出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejor.2009.08.013
关键词
Decision analysis; Linguistic representation model; OWA operator; Deviation measure; Consensus
资金
- NSF of China [70801048, 70525004, 60736027, 70901027]
- Research Grants Council of the Hong Kong Special Administrative Region, China [CUHK4726/05H]
When using linguistic approaches to solve decision problems, we need linguistic representation models. The symbolic model, the 2-tuple fuzzy linguistic representation model and the continuous linguistic model are three existing linguistic representation models based on position indexes. Together with these three linguistic models. the corresponding ordered weighted averaging operators, such as the linguistic ordered weighted averaging operator, the 2-tuple ordered weighted averaging operator and the extended ordered weighted averaging operator, have been developed, respectively. In this paper, we analyze the internal relationship among these operators, and propose a consensus operator under the continuous linguistic model (or the 2-tuple fuzzy linguistic representation model). The proposed consensus operator is based on the use of the ordered weighted averaging operator and the deviation measures. Some desired properties of the consensus operator are also presented. In particular, the consensus operator provides an alternative consensus model for group decision making. This consensus model preserves the original preference information given by the decision makers as much as possible, and supports consensus process automatically, without moderator. (C) 2009 Elsevier B.V. All rights reserved.
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