JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2013, Vol. 43 ›› Issue (1): 48-53.

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Conflict evidence in trust model based on evidence theory

ZHANG Xin-yi, ZHAI Yu-qing*   

  1. School of Compute Science Engineering, Southeast University, Nanjing 211189, China
  • Received:2012-11-25 Online:2013-02-20 Published:2012-11-25

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Abstract:

The trust model based on evidence theory was a widely used trust model, and the evidence theory was an uncertainty reasoning method with solid theoretical foundation. In order to slove the problem of the evidence collection and the unreasonable results made by conflict evidence combination, the method of the evidence collection was modified to enhance the quality of evidences,  and the conflict evidences were redistributed based on distance, similarity, support and credibility of evidences during the process of evidence combination. Experimental results showed that the improved combination mechanism of evidences could enhance the reasonality of the evidence combination and could make the results of trust computing more credible.

Key words: combination of conflict evidence, evidence theory, evidence credibility, trust model, evidence collection

CLC Number: 

  • TP311
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