First- and Second-Order Expectation Semirings with Applications to Minimum-Risk Training on Translation Forests

First- and Second-Order Expectation Semirings with Applications to Minimum-Risk Training on Translation Forests Zhifei Li author Jason Eisner author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication li-eisner-2009-first https://aclanthology.org/D09-1005/ 2009-08 40 51