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2 research outputs found
略论我国技术引进的问题与对策
Author
徐蔚然
Publication venue
Publication date
01/01/1995
Field of study
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Xiamen University Institutional Repository
中文文本分类中的特征选择算法研究
Author
徐蔚然
胡佳妮
邓伟洪
郭军
Publication venue
《光通信研究》编辑部
Publication date
01/01/2005
Field of study
No full text
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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