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Group Decision and Negotiation

, Volume 22, Issue 2, pp 259–279 | Cite as

Some Hesitant Fuzzy Aggregation Operators with Their Application in Group Decision Making

  • Meimei Xia
  • Zeshui Xu
  • Na Chen
Article

Abstract

Hesitancy is the most common problem in decision making, for which hesitant fuzzy set can be considered as a suitable means allowing several possible degrees for an element to a set. In this paper, we study the aggregation of the hesitancy fuzzy information. Several series of aggregation operators are proposed and the connections of them are discussed. To reflect the correlation of the aggregation arguments, two methods are proposed to determine the aggregation weight vectors. Based on the support degrees among aggregation arguments, the weight vector of decision makers are obtained more objectively. To deal with the correlation of criteria, we apply the Choquet integral to get the weights of criteria. A method is also proposed for group decision making under hesitant fuzzy environment.

Keywords

Group decision making Hesitant fuzzy set Aggregation operator Weight vector 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.School of Economics and ManagementSoutheast UniversityNanjingChina

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