Computer Science ›› 2018, Vol. 45 ›› Issue (1): 47-54.doi: 10.11896/j.issn.1002-137X.2018.01.007

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Multi-attribute Group Decision Making Method for Interval-valued Intuitionistic Uncertain Language with Completely Unknown Experts’ Weights

PANG Ji-fang and SONG Peng   

  • Online:2018-01-15 Published:2018-11-13

Abstract: For the multi-attribute group decision making problems with completely unknown experts’ weights in which the attribute values take the form of interval-valued intuitionistic uncertain linguistic variables,this paper investigated a group decision analysis method based on hybrid weight information and decision maker’s risk attitude.On the basis of defining the difference degree between two interval-valued intuitionistic uncertain linguistic variables,two kinds of experts’ weights were calculated by using the closeness degree in evaluation and consistency degree in ranking respectively.Then based on the equilibrium degree,the objective comprehensive weights of experts were obtained.By fusing the objective comprehensive weights of experts and the weights of individual comprehensive evaluation values based on si-milarity,a hybrid weighted aggregation method was proposed to obtain the group comprehensive evaluation values.Furthermore,by defining the expected value and accuracy function with risk attitude factor,the comparison and ranking of the alternatives were completed.Finally,an illustrative example was given to prove the effectiveness and rationality of the above method.

Key words: Interval-valued intuitionistic uncertain linguistic variables,Multi-attribute group decision making,Experts’ weights,Equilibrium degree,Hybrid weight information,Risk attitude

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