Text classification feature selection in text categorization is the first important problem to be solved. 摘要文本分类特征选择是文本自动分类中首先要解决的重要问题。
Web page classification was one of the hot study problems in the domain of Internet Search currently.Now there were the classifiers based on text and the hyperlinks. 摘要网页自动分类是当前互联网搜索领域一个热点研究课题，目前主要有基于网页文本内容的分类和基于网页间超链接结构的分类。
