Feature Selection of Information System Based on Specified Features
基于标识特征的信息系统特征选取

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 each information subsystem is obtained in turn, and then gradually integrated into a feature subset of information system. The approach of feature selection for information system has the advantage of efficiency and feature selection is often close to minimu...