| 一种改进的DyTrust信任模型 |
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| 引用本文： | 王少杰,陈红松,郑雪峰,初俐君,于真,王熊彬.一种改进的DyTrust信任模型[J].北京科技大学学报,2008,30(6). |
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| 作者姓名： | 王少杰 陈红松 郑雪峰 初俐君 于真 王熊彬 |
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| 作者单位： | 北京科技大学信息工程学院,北京,100083 |
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| 摘 要： | 为了提高DyTrust模型信任评价的准确度,解决信任模型的粒度比较粗糙以及节点的个体经验对信任评价带来影响的问题,在DyTrust模型的基础上,通过对节点所提供的服务进行细化和引入经验因子的方法,提出了一种改进的信任评价算法.与DyTrust模型的比较和分析表明,改进后的模型精化了信任算法的粒度,提高了信任评价的准确度,体现了节点的个性化特性,在反馈可信度的算法方面有较大的改善,同时该反馈可信度算法具有较好的可扩展性.
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| 关 键 词： | 对等网络 信任模型 个体经验 反馈可信度 |
An improved DyTrust trust model |
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| WANG Shaojie,CHEN Hongsong,ZHENG Xuefeng,CHU Lijun,YU Zhen,WANG Xiongbin.An improved DyTrust trust model[J].Journal of University of Science and Technology Beijing,2008,30(6). |
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| Authors: | WANG Shaojie CHEN Hongsong ZHENG Xuefeng CHU Lijun YU Zhen WANG Xiongbin |
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| Abstract: | To improve the trust evaluation accuracy of the DyTrust model,solve the problem of rough granularity of the trust model,and deal with the trust evaluation problems caused by individual experience,based on the DyTrust model,an improved algorithm of trust evaluation was presented after using an experiential factor and the particular services of nodes.Compared with the DyTrust model,the improved model has the advantages of crisp granularity,high accuracy,reflecting the personalization of nodes,enhancing the feedback trust value,and high scalability. |
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| Keywords: | peer-to-peer network trust model individual experience feedback trust value |
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