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- W2349939072 abstract "Text classification field,TF-IDF feature weighting is used widely in the classification algorithm.This paper describes the TF-IDF feature weight algorithm for text features that characterize the text features of words,usually by a method to give the appropriate weight,that they distinguish between the importance of text type.However,the algorithm training set of documents will be viewed as a whole to consider the characteristics of items can not be said that the association between the characteristics and categories.Against the disadvantages of the introduction of the x2 statistics this function to calculate the weight,making it better reflect the characteristics of key importance.The results show that TF-IDF based weight algorithm is feasible,but also better to improve the classification performance." @default.
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- W2349939072 title "Text classification based on the improved algorithm of the weight terms" @default.
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