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Chinese Journal of Management Science ›› 2026, Vol. 34 ›› Issue (2): 195-206.doi: 10.16381/j.cnki.issn1003-207x.2023.0990

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An Emergency Decision-Making Method Based on Multi-granularity Probabilistic Linguistic Terms and Double Reference Points

Zengqiang Wang1(), Yun Pu2   

  1. 1.School of Management,Xihua University,Chengdu 610039,China
    2.School of Transportation and Logistics,Southwest Jiaotong University,Chengdu 610031,China
  • Received:2023-06-13 Revised:2023-11-07 Online:2026-02-25 Published:2026-02-04
  • Contact: Zengqiang Wang E-mail:wzqlinger@126.com

Abstract:

In order to promote the comprehensive development of economy, over-exploitation of various resources have increased, resulting in various emergencies such as natural disasters and accidents. It is of great significance to study how to improve the effectiveness of decision-making under the imperfect and complex scenarios. The main problems are uncertainties and risk issues in the procedures, which are difficult to be effectively addressed. For reflecting the uncertainty of decision information and limited rationality of decision-makers in an effective way, a new emergency response decision-making based on multi-granularity probabilistic linguistic and double reference points is presented. Firstly, multi-granularity probabilistic linguistic variables are used to express the decision-makers’ evaluation of each key risk factor, and the weights of key risk factors are determined based on an improved method to address multi-granularity probabilistic linguistic information. Secondly, the cumulative prospect theory, which can embody the characteristic of loss-aversion of decision-makers, is applied to the multi-granularity probabilistic linguistic environment, then, the perceived values of each feasible alternative’s estimated effect are calculated by the certain double reference points. Thirdly, the earn perceived weight and loss perceived weight of each feasible alternative’s estimated probability is determined, on this basis, the ultimate perceived value of each alternative is obtained by combining the weights of key risk factors, and the best alternatives can be determined. Finally, the response to forest fire illustrates the effectiveness of the proposed method, and verifies the superiority by comparative analysis. The proposed integrated model based on multi-granularity probabilistic linguistic and double reference points not only represent the imprecise and vague information more effectively, but also consider the decision makers’ bounded rationality under risk comprehensively, and then provide some clues for the effective processing of information theories in emergency decision-making process.

Key words: emergency events, emergency decision-making, multi-granularity probabilisticlinguistic, cumulative prospect theory, double reference points

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