如何发现Web上根据“主题”聚集在一起的多个社区。使我们能快速地从互联网上提取知识,是Web挖掘的一个研究方向。详细介绍了基于链接结构的四种社区发现的算法,同时也指出了这些算法的缺陷和改进方向。
How to discover the "topic" community is the research direction of Web-mining. Introduce four algorithms based on web "link" structure to discover the community,and point out their drawbacks. This is the point which should be research further.