Quantitative evaluation of machine translation systems: sentence level Palmira Marrafa author António Ribeiro author 2001-sep 18-22 text Workshop on MT Evaluation Eduard Hovy editor Margaret King editor Sandra Manzi editor Florence Reeder editor Santiago de Compostela, Spain conference publication marrafa-ribeiro-2001-quantitative https://aclanthology.org/2001.mtsummit-eval.2/ 2001-sep 18-22