On the Importance of Diversity in Question Generation for QA Md Arafat Sultan author Shubham Chandel author Ramón Fernandez Astudillo author Vittorio Castelli author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication sultan-etal-2020-importance 10.18653/v1/2020.acl-main.500 https://aclanthology.org/2020.acl-main.500/ 2020-07 5651 5656