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中文文本分类中的特征选择算法研究
Authors
徐蔚然
胡佳妮
邓伟洪
郭军
Publication date
1 January 2005
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
比较了文档频率、信息增益、互信息、X2统计量、期望交叉熵、文本证据权以及几率比等7种常用于文本分类的特征选择算法。实验采用国家"八六三计划"中文文本语料库和Rocchio分类器对以上的特征选择算法分别进行评估,测评结果表明,几率比法的性能优于其它特征选择算法
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Last time updated on 26/01/2023