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Organization Domain Trust Evaluation Model in Federa Environment Based on Subjective Logic

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3 Author(s)
Zhengyu Hu ; Key Lab. of Beijing Network Technol., Beihang Univ., Beijing, China ; Lianzhong Liu ; Chen Wang

Organizations often make up dynamic federations to accomplish common tasks. These kind of federations brought new challenges for security. Trust management systems are emerging as important decision support tools. But current trust models are basically built for individually trust management, which is insufficient and ineffective if the number of users in the federations is great. To solve this problem, an organization trust management model is brought forward in this paper. By introducing and extending subjective logic, Organization Domain Trust Model for Federation (ODTMF) is established for evaluating organization domains' trust value. To achieve this purpose, a novel fusion operation is imported into traditional subjective logic for trust integration. Then we give an integrated framework for organization domain trust evaluation based on the novel subjective. Results of the experiment illustrate that ODTMF could reflects trust evaluation of domains, and makes the trust value more close to human's intuition.

Published in:

Information Technology, Computer Engineering and Management Sciences (ICM), 2011 International Conference on  (Volume:1 )

Date of Conference:

24-25 Sept. 2011