基于用户历史及兴趣度的HC-HITS算法研究
Journal of University of South China(Science and Technology)(2013)
Abstract
HITS是Web结构挖掘代表算法之一.HITS算法仅考虑页面之间的链接关系,容易出现主题偏移现象.文中分析了用户历史行为与兴趣之间的关系,从四个方面近似计算用户兴趣度.提出了基于用户兴趣度的改进HITS算法(HC-HITS),对比实验结果表明HC-HITS算法减少了主题漂移现象,取得较好的效果.
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Key words
subject,user interest,HITS arithmetic,Web mining
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