Neil Ireson Fabio Ciravegna Mary Elaine Califf Dayne Freitag Nicholas Kushmerick Alberto Lavelli Evaluating machine learning for information extraction. 345-352 2005 conf/icml/2005 ICML http://doi.acm.org/10.1145/1102351.1102395 db/conf/icml/icml2005.html#IresonCCFKL05