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Reputation-based trust management is an effective method to improve network security in P2P networks. In this paper, we present a trust evaluation model based on parameter-estimation algorithms to enhance the accuracy of trust evaluation in unstructured P2P networks. Trust evaluation includes direct and second-hand trust information. It estimates and updates the trust value and uncertainty of each...
The P2P system is an anonymous and dynamic system, which offers enormous opportunities, and also presents potential threats and risks. In order to restrain malicious behaviors in P2P system, previous studies try to establish efficient trust models on P2P system. However, most of the trust models use a single trust metric, which can not reflect the practical trust values of the peers effectively. In...
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