A Fuzzy Theory Based Trust Model for P2P Electronic Commerce
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To improve the security of P2P e-commerce,according to the characteristics of P2P e-commerce presents a trust model based on fuzzy theory.The trust is divided into direct trust and recommendation trust.Fuzzy set which is used for presenting the direct trust value.fuzzy and general evaluation algorithm about the effect factors of trust subject has been proposed.Use the transaction amount and transaction time to determine the weight of recommended trust.Experiments show that the trust model is estimated based on the credibility evaluation system for probabilistic algorithm,the algorithm error is small,can effectively prevent malicious behavior of nodes,can be applied to P2P e-commerce.