Understanding Neural Machine Translation by Simplification: The Case of Encoder-free Models Gongbo Tang author Rico Sennrich author Joakim Nivre author 2019-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication tang-etal-2019-understanding 10.26615/978-954-452-056-4_136 https://aclanthology.org/R19-1136/ 2019-09 1186 1193