Title: The Research of Subjective Trust Model Based on Fuzzy Theory in Open Networks
Abstract: Information security is essential in open networks,and trust management model is fundamental for information security.In this paper,the description of trust is given newly with fuzzy set theory in open network environment.The conceptions of linguistic variable and fuzz logic are introduced into subjective trust management for the fuzzy nature of subjective trust,and the inference to the trust transmission has been carried.A formal trust metric is given,the reasoning mechanisms of trust vectors are given,and a subjective trust management model is provided.According to the dynamic character of trust,a new model of trust renewal is provided,which is based on the degree of approximation In fuzzy theory,and which do more better in preventing the malicious recommendation.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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Cited By Count: 3
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