Ask what’s missing and what’s useful: Improving Clarification Question Generation using Global Knowledge Bodhisattwa Prasad Majumder author Sudha Rao author Michel Galley author Julian McAuley 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 majumder-etal-2021-ask 10.18653/v1/2021.naacl-main.340 https://aclanthology.org/2021.naacl-main.340/ 2021-06 4300 4312