文本自动分类技术是当今信息检索和情报检索的一个重要研究课题，所采用的理论和技术之一是当前国际上研究的热门领域：数据挖掘和知识发现技术。-Automatic text categorization technology is today' s information retrieval and information retrieval as an important research topic, using one of the theory and technology is a ho