this the ppt of text categorization by back propagation-this is the ppt of text categorization by back propagation

文本分类中特征提取的代码。采用信息增益法，对文本的空间向量模型能达到有效降维。文件的输入形式必须是词号-词频形式。- Text Categorization feature extraction code. Using information gain method, the vector space model of the text to achieve effective dimensionality reduction. Enter the file must be in the f

基于新的关键词提取方法的快速文本分类系统 理论研究-Text Categorization

weka平台的文本分类测试，源代码为java-Text categorization test weka platform, the source code for the java