Ulrich Knoll Gholamreza Nakhaeizadeh Birgit Tausend Cost-Sensitive Pruning of Decision Trees. 383-386 1994 conf/ecml/1994 ECML db/conf/ecml/ecml94.html#KnollNT94 http://dx.doi.org/10.1007/3-540-57868-4_79