Computer Science ›› 2016, Vol. 43 ›› Issue (12): 58-62.doi: 10.11896/j.issn.1002-137X.2016.12.010

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Evidence Combination Rule Based on Vector Conflict Representation Method

LI Jun-wei and LIU Xian-xing   

  • Online:2018-12-01 Published:2018-12-01

Abstract: In order to solve the counter-intuitive behaviors gotten by Dempster combination rule when combining high conflict evidence ,a new improved Dempster combination rule based on vector conflict representation(VCRD) method was proposed.Firstly,the deficiencies of conflicting belief and Jousselme distance are analyzed by the way of examples.Then,the conflicting degree between the evidence is measured by using similarities and differences of evidence vector,and the evidence can be amended according to the weight computed by utilizing the conflicting degree between them.Finally,the modified functions are combined by Dempster combination rule.The theoretical analysis and experimental results show that compared with Dempster combination rule and other improved methods by the results of numerical examples,VCRD combination rule exhibits the ability in combining highly conflicting evidences rationally and reducing the decision risk.

Key words: Evidential conflict,Combination rule,Conflict representation,Conflicting belief,Weight coefficient

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