Confidence Estimation for Machine Translation John Blatz author Erin Fitzgerald author George Foster author Simona Gandrabur author Cyril Goutte author Alex Kulesza author Alberto Sanchis author Nicola Ueffing author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication blatz-etal-2004-confidence https://aclanthology.org/C04-1046/ 2004-aug 23–aug 27 315 321