Feature selection is a valid method to reduce the dimension of text vector in automatic text categorization system.

在自动文本分类系统中，特征选择是有效降低文本向量维数的一种方法。

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This paper presents some research on automatic Chinese text categorization system (CATCS).

本文就中文自动文本分类系统进行了一些研究。

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In order to improve the performance of chemistry-focused search engines, an automatic text categorization algorithm is proposed based on the distance-weighted k-nearest neighbor algorithm.

为了提高化学主题搜索引擎的查询效果，采用距离加权七一近邻分类算法来进行自动分类。

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