另一方面,为了满足分类检索的需要,本文挖掘出中频特征词在结果文档集中的作用,设计出一种简单高效的实时文档聚类和相应的概念描述算法。

• On the other hand, for the need of subject classification search, this paper digs out the essentiality of middle frequency keywords among result document sets, and designed a simple and high efficiency real-time clustering algorithm and its related concept description algorithm.