Computer Science ›› 2008, Vol. 35 ›› Issue (4): 157-159.
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LI Guo-He （Dept. of Computer Science and Technology, China University of Petroleum, Beijing 102249）
Online:
Published:
Abstract: Information system is divided into information subsystems by the specified features, and then each subsystem is turned into Condensed Similar Extension-Matrix（CSEM）. By means of the statistical values as heuristic information and CSEM, feature subset of e
Key words: Information system, Information subsystem, Feature selection, Heuristic information, Extension matrix
LI Guo-He （Dept. of Computer Science and Technology, China University of Petroleum, Beijing 102249）. [J].Computer Science, 2008, 35(4): 157-159.
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