Abstract
Hesitant fuzzy linguistic preference relations (HFLPRs) can be used to describe hesitant judgments of decision makers (DMs). To further research the utilization of HFLPRs, this paper develops a new group decision making (GDM) method with HFLPRs. First, a consensus checking method is proposed to measure the consensus level of individual HFLPRs. Then, a definition of acceptable consensus is introduced. Furthermore, to help experts whose consensus levels are below a predefined threshold to revise their preferences, a consensus reaching procedure is developed, where the acceptable multiplicative consistency of the revised individual HFLPRs is guaranteed. After that, a step-by-step algorithm is developed to help us solve GDM problems with HFLPRs. An application example is implemented to indicate the utilization of our method and to compare with previous research.
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