Applications Of Hierarchical Keyword Extraction And Automated Text Classification In Bulletin Board System

Bulletin Board System (BBS) is a kind of web virtual space where people can discuss anything freely. Especially in China, people always have great excitement for participating in the activities in BBS. According to the statistics published by China Internet Network Information Center in 2004, the scale of virtual community like BBS in China has expanded to 27.6% of the whole Chinese Web. BBS also attract many users around the whole word. For example, Google's online newsgroup, http://groups.google.com, millions users are active daily on the group to ask and answer questions or discuss with others. The whole BBS is divided to several boards, and each board has its own main topic. For instance, "comp.lang.java" and "alt.movie", etc. Nowadays, more and more people have great interests to such virtual communication activity. The number of users and...