Smoothing and Shrinking the Sparse Seq2Seq Search Space Ben Peters author André F T Martins author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication peters-martins-2021-smoothing 10.18653/v1/2021.naacl-main.210 https://aclanthology.org/2021.naacl-main.210/ 2021-06 2642 2654