JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (6): 13-18.

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Method for software trustworthiness evaluation based on similarity

ZHONG Xiao-min   

  1. School of Computer Engineering, Huaihai Institute of Technology, Lianyungang 222005, China
  • Received:2012-04-20 Online:2012-12-20 Published:2012-04-20

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Abstract:

In order to improve the accuracy of software trustworthiness evaluation, a creditability evaluation model based on similarity calculation between associated trusted attribute was demonstrated. The semantic similarity of corresponding qualitative trusted attribute values in the two different semantic tables were calculated by Jaccard coefficient. In the quantitative trusted attribute’s similarity, Similar threshold values were set according to the standard value on the respective time points to avoid singular values, when trusted attribute values were dynamic. Finally, the main cause of the similarity between the credible evidence model and credible expectations model and its dynamics were analyzed. The method was implemented to evaluate the software, and the results showed the effectiveness and stability of the method for the software trustworthiness evaluation.

Key words: software trustworthiness evaluation, trust evidence, trust expected model, similarity, Jaccard coefficient

CLC Number: 

  • TP311
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