MultiDoc2Dial: Modeling Dialogues Grounded in Multiple Documents Song Feng author Siva Sankalp Patel author Hui Wan author Sachindra Joshi 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 feng-etal-2021-multidoc2dial 10.18653/v1/2021.emnlp-main.498 https://aclanthology.org/2021.emnlp-main.498/ 2021-11 6162 6176