Emprical study of a two-step approach to estimate translation quality Jesús González-Rubio author J Ramón Navarro-Cerdán author Francisco Casacuberta author 2013-dec 5-6 text Proceedings of the 10th International Workshop on Spoken Language Translation: Papers Joy Ying Zhang editor Heidelberg, Germany conference publication gonzalez-rubio-etal-2013-emprical https://aclanthology.org/2013.iwslt-papers.5/ 2013-dec 5-6