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�������պ����ѧѧ�� 2003, Vol. 29 Issue (3) :255-259    DOI:
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Partition��Block Method of Feature Selection from Information System
Li Guohe, Zhao Qinping*
Department of Computer Science and Engineering, Beijing University of Aeronautics and Astronautics

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ժҪ ���ò���������С�����,������������,�����һ������ѡȡ�ķ���IBFS.�÷�������ָ����ʾ��ֽ���ϢϵͳΪ��ʾ��(IB),�ٸ��ݸ�����ʾ�����������Ϣϵͳ��һ����������ѡȡ.����������ȷ����,���Ҿ��п��ٺ���Ч���ص�.
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Abstract�� After utilizing the technique of the combination of And/Or Tree with Different Matrix(DM) and Minimum Different List(MDL), this paper presents a method called IBFS to compute a better feature selection from larger Information System(IS).IBFS mainly partitions larger IS into small ones(called identification block, IB) by the identification feature or features, and then computes the feature selections from IBs, finally forming a feature selection for IS. It has the advantage of high efficiency and determinacy.
Keywords�� information systems   feature selection   heuristic approach     
Received 2001-10-16;
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�����, ����ƽ.��Ϣϵͳ��һ�ַֿ�����ѡȡ����[J]  �������պ����ѧѧ��, 2003,V29(3): 255-259
Li Guohe, Zhao Qinping.Partition��Block Method of Feature Selection from Information System[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(3): 255-259
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2003/V29/I3/255
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