... Meet-ing of the Association for Computational Linguis-tics, pages 848–855. Association for ComputationalLinguistics.Andrew Kehler, Douglas Appelt, Lara Taylor, andAleksandr Simma. 200 4a. Competitive ... First, virtually all ofits parameters are learned via the expectation-maximization algorithm (EM). While EM hasworked quite well for a few tasks, notably ma-chine translations (starting with ... European Chapter of the ACL, pages 148–156,Athens, Greece, 30 March – 3 April 2009.c2009 Association for Computational LinguisticsEM Works for Pronoun Anaphora Resolution Eugene Charniak and...