| P2P网络中基于权重的动态信任模型* |
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| 引用本文： | 王涛春,罗永龙,左开中,接标.P2P网络中基于权重的动态信任模型*[J].计算机应用研究,2011,28(1):300-303. |
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| 作者姓名： | 王涛春 罗永龙 左开中 接标 |
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| 作者单位： | 安徽师范大学,数学计算机科学学院,安徽,芜湖,241003 |
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| 基金项目： | 国家自然科学基金资助项目（60703071）；安徽省自然科学基金资助项目（070412043）；安徽师范大学青年科学基金资助项目（2007xqn58） |
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| 摘 要： | 针对现有模型存在的不足，借鉴人类对信任的评判习惯并参考交易涉及的主要因素，提出了P2P环境下一种基于权重的信任评价模型，在进行节点信任值评定时，着重考虑了交易权重对信任值变化的影响，并给出了信任值计算的方法和仿真实验。实验结果表明该信任评价模型能够准确地反映节点当前的信任度，特别对策略性欺骗和不诚实推荐具有很好的抑制作用。
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| 关 键 词： | 对等网络 信任模型 权重 恶意行为 |
Dynamic trust model based on trade weight for P2P network |
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| WANG Tao-chun,LUO Yong-long,ZUO Kai-zhong,JIE Biao.Dynamic trust model based on trade weight for P2P network[J].Application Research of Computers,2011,28(1):300-303. |
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| Authors: | WANG Tao-chun LUO Yong-long ZUO Kai-zhong JIE Biao |
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| Affiliation: | (College of Mathematics & Computer Science, Anhui Normal University, Wuhu Anhui 241003, China) |
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| Abstract: | Directing at the shortcomings of the existing model and drawing on the human habit of trust assessment and the main factors involved in transactions, this paper proposed a dynamic trust model based on trade weight for P2P network. While assessing the node trust value, the model put emphasis on the effect of trade weight on trust value, and specifically provided the method for trust value computing and the simulation. Results of the simulation show that the trust model can accurately reflect the current node trust value, and effectively resist the strategic deception and dishonest feedback. |
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| Keywords: | peer-to-peer trust model trade weight malicious behavior |
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