Two-Step Question Retrieval for Open-Domain QA Yeon Seonwoo author Juhee Son author Jiho Jin author Sang-Woo Lee author Ji-Hoon Kim author Jung-Woo Ha author Alice Oh author 2022-05 text Findings of the Association for Computational Linguistics: ACL 2022 Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication seonwoo-etal-2022-two 10.18653/v1/2022.findings-acl.117 https://aclanthology.org/2022.findings-acl.117/ 2022-05 1487 1492