@inproceedings{peters-martins-2021-smoothing, title = "Smoothing and Shrinking the Sparse {S}eq2{S}eq Search Space", author = "Peters, Ben and Martins, Andr{\'e} F. T.", editor = "Toutanova, Kristina and Rumshisky, Anna and Zettlemoyer, Luke and Hakkani-Tur, Dilek and Beltagy, Iz and Bethard, Steven and Cotterell, Ryan and Chakraborty, Tanmoy and Zhou, Yichao", booktitle = "Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies", month = jun, year = "2021", address = "Online", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2021.naacl-main.210/", doi = "10.18653/v1/2021.naacl-main.210", pages = "2642--2654" }