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			The upper approximation reduction of decision system based on specific decision classes
Jing Sihui,Qin Keyun*
Journal of Nanjing University(Natural Sciences) ›› 2018, Vol. 54 ›› Issue (4) : 804.
 PDF(735837 KB)
						
							PDF(735837 KB) 
						
						
					 PDF(735837 KB)
						
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					The upper approximation reduction of decision system based on specific decision classes
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