计算机科学 ›› 2016, Vol. 43 ›› Issue (3): 275-278.doi: 10.11896/j.issn.1002-137X.2016.03.051
王冲,纪仙慧
WANG Chong and JI Xian-hui
摘要： 针对传统的PageRank算法存在主题漂移、忽略用户兴趣等不足,提出一种基于用户兴趣与主题相关的Page-Rank改进算法——ITPR。为了更好地提高用户搜索质量,利用网页浏览时间与页面篇幅共同构建用户兴趣度因子,用线性拟合月点击量的方法预测用户兴趣度的升降,同时结合网页内容引入主题相关度因子,共同对网页PR值进行适当的修正,使其分配更为合理。仿真实验结果表明,在相同的实验环境下,改进的PageRank算法提升了网页排序质量、查准率以及用户搜索满意度。
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