摘要
介绍了三种高维属性空间的约简方法：粗糙集，主成份分析，奇异值分解，并通过文本分类的实验对比了三种方法的降维能力。
This paper introduces three reduction methods used for a high-dimension attributes, which are Rough Set ,PCA and SVD, At the same time the paper contrasts the reduction ability of three methods in Web Pages Classification experimentation.
作者
张东娜
刘博
ZHANG Dong-na,LIU Bo（1.Dept.of Computer Science and Technology, Zhuhai College of Jilin University, Zhuhai 519004, China;2.TEC Avei Electric Co., Ltd. Zhuhai 519040, China）
出处
《电脑知识与技术》
2008年第2期613-614,共2页
Computer Knowledge and Technology
