Unsupervised Pretraining for Sequence to Sequence Learning Prajit Ramachandran author Peter Liu author Quoc Le author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication ramachandran-etal-2017-unsupervised 10.18653/v1/D17-1039 https://aclanthology.org/D17-1039/ 2017-09 383 391