Unified Pre-training for Program Understanding and Generation Wasi Ahmad author Saikat Chakraborty author Baishakhi Ray author Kai-Wei Chang 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 ahmad-etal-2021-unified 10.18653/v1/2021.naacl-main.211 https://aclanthology.org/2021.naacl-main.211/ 2021-06 2655 2668