Saso Dzeroski Ljupco Todorovski Peter Ljubic Inductive Databases of Polynomial Equations. 159-168 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3181&spage=159 2004 conf/dawak/2004 DaWaK db/conf/dawak/dawak2004.html#DzeroskiTL04