@ARTICLE { Rsds3647,
author = {Pawlak, Zdzislaw}, 
title = {Rough set approach to knowledge-based decision support}, 
journal = {European Journal of Operational Research}, 
number = 	{(no. 1)}, 
volume = 99, 
pages = {48-57}, 
publisher = {Elsevier Science Inc.}, 
address = {Amsterdam, The Netherlands}, 
month = {May}, 
year = 1997, 
issn = {0377-2217}, 
abstract = {Rough set theory is a new approach to decision making in the presence of uncertainty and vagueness. Basic concepts of rough set theory will be outlined and its possible application will be briefly discussed. Further research problems will conclude the paper.}, 
keywords = {rough sets, fuzzy sets, decision support, }, 
}