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- W2316014245 abstract "PDF HTML阅读 XML下载 导出引用 引用提醒 一种正态分布下的动态推荐信任模型 DOI: 10.3724/SP.J.1001.2012.04204 作者: 作者单位: 作者简介: 通讯作者: 中图分类号: 基金项目: 国家自然科学基金(60975033, 60575035, 60275022, 69985004); 安徽高校省级自然科学研究重点项目(KJ2010A272) Normal Distribution Based Dynamical Recommendation Trust Model Author: Affiliation: Fund Project: 摘要 | 图/表 | 访问统计 | 参考文献 | 相似文献 | 引证文献 | 资源附件 | 文章评论 摘要:建立基于连续过程的推荐信任模型,描述间接信任这种最复杂的信任关系,在保障开放环境的安全和开放系统的可靠运行方面有着重要意义.通过量化间接信任影响因素,运用分级剪枝方法过滤推荐信息,将结果作为正态过程的采样样本,计算获取后验分布期望的Bayesian 估计值.在此基础上,详细阐述信任动态演化的过程,深入探讨信任度和可信度之间的关系,给出了命题及其数学证明.实验数据表明,模型提高了抵御恶意攻击的能力,得出了更加有效和精确的结果,与相关命题的数学推导相一致. Abstract:On the basis of a continuous process, the recommendation trust model is built for depicting indirect trust, the most complicated trust relationship. The model is also significant for the security and reliability of an open environment and open systems. After the factors influencing indirect trust are quantified, the filtrated recommendations are regarded as samples from the normal process, and the Bayesian estimation value of posteriori distribution expectation is obtained from calculation. Next, after an elaborate discussion of the trust evolution and the relationship between trust value and trustworthiness along with some propositions and proofs are proposed. Experimental data show that with the capacity of resisting malicious attacks improved, the model gives a more effective and precise result, which is also consistent with mathematical deduction. 参考文献 相似文献 引证文献" @default.
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- W2316014245 title "Normal Distribution Based Dynamical Recommendation Trust Model" @default.
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