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A dynamic trust evaluation algorithm based on subjective logic in pervasive computing environment

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3 Author(s)
Yan Yang ; Comput. Applic., East China Normal Univ., Shanghai ; Liang He ; Xueming Cai

Services provided by mobile devices in the pervasive computing environment handle increasingly critical data and computation. But there is no dynamic and systematic way to evaluate which of the services can be entrusted. This paper proposes a dynamic trust evaluation algorithm to solve the service trust problem. The contribution of this paper is that a systematic and computational evaluation mechanism in such a service-oriented open environment is presented. Firstly, the optimized Subjective Logic is defined which is the basis of this paper. Then, how to update trust value dynamically including individual and composite services on a continuous basis is discussed. Finally, the algorithm is validated by simulation experiments.

Published in:

Control, Automation, Robotics and Vision, 2008. ICARCV 2008. 10th International Conference on

Date of Conference:

17-20 Dec. 2008