《山东大学学报(理学版)》 ›› 2019, Vol. 54 ›› Issue (1): 53-59.doi: 10.6040/j.issn.1671-9352.3.2018.007
Ze-nan WU1(),Li-qin TIAN1,2,*(),Zhi-gang WANG1
摘要:
采纳社会对信任的特性和计算机对评估的要求,提出了一种新的用户行为信任评估方法。该方法对滑动窗口进行改进,通过对滑动窗口的初始化设置、窗口的大小设置、窗口滑动的条件设置以及窗口内容的更新,从而对用户行为证据进行合理的计算,提高用户行为评估的可扩展性;同时结合推荐信任机制,进一步提高用户行为评估的可信性;最后,将得出的用户行为信任值与系统预设的信任评估标准做比较,得出用户信任等级。实验数据分析表明,该评估方法具有粒度更细、评估对象是用户而非服务提供者、评估结果更符合实际情况等特性。
中图分类号:
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