Bruno Caprile Cesare Furlanello Stefano Merler Highlighting Hard Patterns via AdaBoost Weights Evolution. 72-80 2002 conf/mcs/2002 Multiple Classifier Systems http://link.springer.de/link/service/series/0558/bibs/2364/23640072.htm db/conf/mcs/mcs2002.html#CaprileFM02