Penalized Expectation Propagation for Graphical Models over Strings Ryan Cotterell author Jason Eisner author 2015-may–jun text Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Rada Mihalcea editor Joyce Chai editor Anoop Sarkar editor Association for Computational Linguistics Denver, Colorado conference publication cotterell-eisner-2015-penalized 10.3115/v1/N15-1094 https://aclanthology.org/N15-1094/ 2015-may–jun 932 942