Claudia Diamantini Domenico Potena Maurizio Panti Semantic Annotation of Classification Data for KDD Support Services. 313-315 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3226&spage=313 2004 conf/icsnw/2004 ICSNW db/conf/icsnw/icsnw2004.html#DiamantiniPP04