【摘要】 主要介绍了文本分类问题,讨论了文本分类所涉及的关键技术,包括中文分词,文本表示,特征选取方法,以及Rocchio、朴素贝叶斯、K近邻、决策树、神经网络和支持向量机等文本分类算法的原理和方法.最后,给出了基于文本分类技术的中文垃圾短信过滤方法的实验和结果.更多还原

【Abstract】 Introduces the problem of text categorization, and its important techniques, including Chinese word segmen- tation, text representation, feature selection and extraction, and algorithms of text categorization such as Rocchio, Naive Bayes, KNN, tree decision, neural network, SVM and so on. Finally, experiment and result of filtering Chinese junk short message is given.更多还原