Description: Dissertation for the Master Degree in Engineering urgently needed to deal with, efficient Web classification method is to extract the required letter from the online Sea Scout information, the interest rate on the key technology, feature selection is an important foundation for text classification mining, the tomb of generalized information theory as the theoretical basis, the tomb of selection methods at the secondary entropy of mutual trust Chi characteristics of each feature, independent assessment, then the feature set to analyze the relationship between the characteristics and categories, from high-dimensional feature space selected remove the lining of the characteristics of effective text classification, reducing the dimension of the text feature space, improve the nature of the text classification
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