NTT-NAIST SMT systems for IWSLT 2013 Katsuhito Sudoh author Graham Neubig author Kevin Duh author Hajime Tsukada author 2013-dec 5-6 text Proceedings of the 10th International Workshop on Spoken Language Translation: Evaluation Campaign Joy Ying Zhang editor Heidelberg, Germany conference publication sudoh-etal-2013-ntt https://aclanthology.org/2013.iwslt-evaluation.12/ 2013-dec 5-6