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Performing text categorization on manifold  

作  者:Wen, Guihua[1];Chen, Gan[2];Jiang, Lijun[3]

作者单位:[1]S China Univ Technol, Sch Engn & Comp Sci, Guangzhou, Peoples R China;[2]Guangdong Unitoll Collect INC, Guangzhou, Guangdong, Peoples R China;[3]South China Univ Technol, Sch Comp Sci & Engn, Guangzhou, Guangdong, Peoples R China

会议名称:2006 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS, VOLS 1-6, PROCEEDINGS

摘  要:Text categorization has become the key technology in organizing and processing the large amount of text information. It normally involves an extremely high dimensional space, which makes most existing approaches generate highly biased estimates so as to reduce the classification accuracy. These approaches do not consider that the text documents may be intrinsically located on the low-dimensional manifold. This paper presents an approach that performs text categorization on texts manifold with respect to the intrinsic global manifold structure, such as by geodesic distance to measure the distance between two texts. This approach has been applied to improve the KNN for text categorization. This is empirically validated by the conducted experiments.

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