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Chinese Journal of Management Science ›› 2017, Vol. 25 ›› Issue (1): 129-138.doi: 10.16381/j.cnki.issn1003-207x.2017.01.014

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Hierarchical Scenario Model of Unconventional Emergency Based on Granular Computing

CHEN Xue-long, LU Dan, DAI Peng   

  1. Faculty of Management and Economics, Dalian University of Technology, Dalian 116024, China
  • Received:2015-08-28 Revised:2016-06-02 Online:2017-01-20 Published:2017-03-22

Abstract: To cover the shortages of existent scenario representation models and scenario construction methods for unconventional emergency in being used to support multi-level emergency management personnel, the formal representation of scenario elements is discussed firstly. Then, the hierarchical scenario model of unconventional emergency based on granular computing is proposed. Afterwards, the scenario generalization algorithm is put forward to realize the scenario generalization processes from low-level scenarios to up-level scenarios. In the end, an example is analyzed to illustrate the application process and to prove the scientificalness and the feasibility of the proposed model. The results show that the hierarchical scenario model of unconventional emergency based on granular computing can generate scenario structures of different granularities which can be used to support multi-level emergency management personnel on the basis of complex and uncertain scenario information.

Key words: unconventional emergency, scenario, hierarchical scenario model, scenario generalization, granular computing

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