Research on Feature Preextraction Method in Text Classification

The featurer extraction isn important task in a text classification,the characteristics of items will take a direct impact on the quality of classification results.This paper show a feature preextration method based on part of speech when author have studied common feture preextration methods and the new method iscarried to experiment combined with IG feature extraction method.The classification experiment results show that the feature peextration method based on part of speech can reduce the feature dimension and training time on the condition of guarantee accuracy of classification.