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Pattern discovering of Web user access pattern based on maximal frequent path method

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  • Received:2006-09-04 Revised:1900-01-01 Online:2007-03-01 Published:2007-03-01
  • Contact: Cheng Lv

基于MFP方法的Web用户访问模式的模式发现

吕橙 魏楚元 张翰韬   

  1. 北京建筑工程学院 北京建筑工程学院 北京建筑工程学院
  • 通讯作者: 吕橙

Abstract: As far as the issue on Web user access pattern is concerned, adopting Maximal Frequent Path (MFP) can mine more universal patterns. A new user access pattern tree named WUAP-tree was devised. Furthermore, a new algorithm named WUAP-mine was proposed for mining user access patterns, which was based on E-OEM model for page topological structure and users' browse path. The algorithm utilized WUAP-tree that could neither generate candidate sets nor use recursive ways. It could mine frequent Web users access patterns by scanning transaction database and output-depth-first traversing WUAPtree only once. The algorithm is very easy to query Web user access patterns from WUAPtree directly. At last, theoretical analysis and experimental results prove its effectiveness and efficiency.

Key words: Web user access pattern, Maximal Frequent Path (MFP) method, click-stream

摘要: 针对Web用户访问模式问题,采用最大频繁访问路径(MFP)方法可以挖掘出更有普遍意义的模式。给出一种新的用户访问模式树WUAPtree结构,并采用EOEM模型,综合考虑了页面拓扑结构及用户浏览路径等多个数据源,进一步提出了一种Web访问模式挖掘算法WUAPmine。该算法不用产生候选集和递归,只对事务数据库进行一次扫描,对WUAPtree结构进行深度优先遍历一次,就可从WUAPtree结构上直接查询出Web用户频繁访问模式。最后,从理论和实践上推导和验证了它的有效性和高效性。

关键词: 用户访问模式, 最大频繁访问路径方法, 点击流