How to Ask Good Questions? Try to Leverage Paraphrases Xin Jia author Wenjie Zhou author Xu Sun author Yunfang Wu 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 jia-etal-2020-ask 10.18653/v1/2020.acl-main.545 https://aclanthology.org/2020.acl-main.545/ 2020-07 6130 6140