Feedback Cleaning of Machine Translation Rules Using Automatic Evaluation Kenji Imamura author Eiichiro Sumita author Yuji Matsumoto author 2003-07 text Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Sapporo, Japan conference publication imamura-etal-2003-feedback 10.3115/1075096.1075153 https://aclanthology.org/P03-1057/ 2003-07 447 454