Francesco Bonchi Fosca Giannotti Alessio Mazzanti Dino Pedreschi ExAnte: Anticipated Data Reduction in Constrained Pattern Mining. 59-70 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2838&spage=59 2003 conf/pkdd/2003 PKDD db/conf/pkdd/pkdd2003.html#BonchiGMP03a