3Lewisd D,Ringueite M.A comparison of two learning algorithms for text categorization[C]//Proceedings of SDAIR-94,3rd Annual Symposium on Document Analysis and Information Retrieval,1994: 81-93.
4TomMMitchell.机器学习[M].北京：机械工业出版社,2003..
5CHANG CC, LIN CJ. LIBSVM - A Library for Support Vector Machines [ EB/OL]. http:∥www. csie. ntu. edu. tw/～cjlin/libsvm,2005 -02 -02.
6YANG YM. An Evaluation of Statistical Approaches to Text Categorization[J]. Journal of Information Retrieval, 1999, 1 (1/2) .
7LEWIS DD. Feature selection and feature extraction for text categorization[A] . Proceedings of Speech and Natural Language Workshop[C] . San Francsico: Morgan Kaufmann, February, 1992. 212- 217.
8Lam Lai Yin,Dominic Savio.learned text categorization by backpropagation neural network[D].A Thesis for the Degree of Master of Philosophy. 1996-08
9David Dolan Lewis. Representation and Learning in Information Retrieval[D].PhD thesis. Graduate School of the University of Maassachusetts, 1992
10Yiming Yang,Jan O Pedersen. A Comparative Study on Feature Selection in Text Categorization[C].In:Proceedings of ICML-97,14th International Conference on Machine Learning,1998
