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文本分类综述
1.
文本分类综述 王
斌 中国科学院计算技术研究所 2002 年 12 月
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文本分类的定义和应用
4.
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文本分类的方法
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文本分类的过程 文本表示 训练过程
分类过程 训练文本 统计 统计量 特征表示 学习 分类器 新文本 문서 特征表示 类别
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特征选择方法的性能比较 (1)
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特征选择方法的性能比较 (2)
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特征选择方法的性能比较 (3) YangYi-ming
20.
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23.
Naïve Bayes 参数计算
Bayes 公式
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The Widrow-Hoff Classifier
Online Learning 类 c 向量的第 j 个分量 x i 的第 j 个分量 Learning Rate Target Value ( 0 or 1)
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Neural Network .
. . . . c 1 c 2 c n …… Input Layer Hidden Layer Output Layer Backpropagation
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支持向量机 Support Vector
Machine Support Vector Optimal Separating Hyperplane
30.
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文本分类的评估指标
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参考文献
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谢谢! [email_address] http://mtgroup.ict.ac.cn/~wangbin
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