COUGH: A Challenge Dataset and Models for COVID-19 FAQ Retrieval Xinliang Frederick Zhang author Heming Sun author Xiang Yue author Simon Lin author Huan Sun author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication zhang-etal-2021-cough 10.18653/v1/2021.emnlp-main.305 https://aclanthology.org/2021.emnlp-main.305/ 2021-11 3759 3769