Arnaud Giacometti Dominique Laurent Cheikh Talibouya Diop Condensed Representations for Sets of Mining Queries. 250-269 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2682&spage=250 2004 conf/cinq/2004 Database Support for Data Mining Applications db/conf/cinq/cinq2004.html#GiacomettiLD04