摘要
通过介绍文本分类的过程及其关键技术,讨论了文本表示、分类算法、分类器性能评价原理和方法;最后,指出了当前文本分类过程中存在的问题,并对今后的发展进行了展望.
This research firstly introduces key techniques to every step of categorization process. The theory and method of text feature representation, the algorithm of text Classification and model evaluation are discussed. Lastly, it presents some existing problems and future development in text categorization field.
出处
《合肥学院学报(自然科学版)》
2007年第3期61-64,共4页
Journal of Hefei University :Natural Sciences
关键词
文本分类
文本表示
特征选择
性能评价
text categorization
text representation
feature extraction
performance evaluation