Research and Implementation of Text Categorization System Based on VSM

Abstract

In recent years , information processing turns more and more important for us to get useful information . Text categorization, the automated assigning of natural language texts to predefined categories based on their contents, is a task of increasing importance. This paper gives a research to several key techniques about text categorization , including vector space model , feature extraction , machine learning . It also describes a text categorization model based on VSM, and gives the evaluations and results .