@ARTICLE { Rsds136,
author = {Zhang, Mei and Xu, Li Da and Zhang, Wen-Xiu and Li, Huai-Zu}, 
title = {A rough set approach to knowledge reduction based on inclusion degree and evidence reasoning theory}, 
journal = {Expert Systems}, 
number = 	{(no. 5)}, 
volume = 20, 
pages = {298-304}, 
publisher = {Kluwer Academic Publishers}, 
address = {Dordrecht, The Netherlands}, 
year = 2003, 
abstract = {The theory of rough sets is an extension of set theory for studying intelligent systems characterized by insufficient and incomplete information. We discuss the basic concept and properties of knowledge reduction based on inclusion degree and evidence reasoning theory, and propose a knowledge discovery approach based on inclusion degree and evidence reasoning theory.}, 
keywords = {intelligent systems, rough sets, database and knowledge base systems, data mining, }, 
}