How Transformer Revitalizes Character-based Neural Machine Translation: An Investigation on Japanese-Vietnamese Translation Systems Thi-Vinh Ngo author Thanh-Le Ha author Phuong-Thai Nguyen author Le-Minh Nguyen author 2019-nov 2-3 text Proceedings of the 16th International Conference on Spoken Language Translation Jan Niehues editor Rolando Cattoni editor Sebastian Stüker editor Matteo Negri editor Marco Turchi editor Thanh-Le Ha editor Elizabeth Salesky editor Ramon Sanabria editor Loic Barrault editor Lucia Specia editor Marcello Federico editor Association for Computational Linguistics Hong Kong conference publication ngo-etal-2019-transformer https://aclanthology.org/2019.iwslt-1.15/ 2019-nov 2-3