摘要
Web对象的流行度满足Zipf分布。利用Zipf第一定律和Zipf第二定律建立Web对象访问流行度模型。对于访问频率较高的Web对象,利用Zipf第一定律建模;而对于访问频率较低的Web对象,则使用Zipf第二定律进行描述。该模型为分析和模拟Web用户访问行为提供了依据。
Web objects access distribution follows Zipf's law. With the Zipf's laws,how to model the Web objects' popularity was discussed. For frequently visited Web objects,Zipf's first law was used to model; for less frequently visited objects,the Zipf's 2nd law was employed to describe. The model presented in the paper set up a base for further analysis and simulation of Web surfers' behavior.
出处
《计算机应用》
CSCD
北大核心
2004年第11期33-34,37,共3页
journal of Computer Applications
基金
河南省重大科技攻关资助项目 (0 2 2 2 0 2 0 6 0 0 )
