With the exponential growth of both the amount and the diversity of the web information, web site mining is highly desirable for automatically discovering and classifying topic-specific web resources from the World Wide Web.

• 随着Web 所拥有的信息量和信息种类的急剧增长；Web 站点挖掘对于自动实现特定主题的 Web 资源发现和分类具有重要的意义.