@INPROCEEDINGS { Rsds3826,
author = {Ras, Zbigniew W. and Chilumula, Neeta R.}, 
title = {Answering Queries by Cooperative Knowledge-Based System}, 
booktitle = {Soft Computing}, 
conference = {International Workshop on Rough Sets and Soft Computing}, 
pages = {263--266}, 
publisher = {The Society for Computer Simulation}, 
address = {San Diego, U.S.A.}, 
month = {November}, 
year = 1994, 
editor = {Lin, Tsau Young and Wildberger, A.M.}, 
isbn = {1-56555-077-3}, 
keywords = {query-answering systems, distributed systems, rough sets, knowledge discovery, }, 
}