DialDoc 2022 Shared Task: Open-Book Document-grounded Dialogue Modeling Song Feng author Siva Patel author Hui Wan author 2022-05 text Proceedings of the Second DialDoc Workshop on Document-grounded Dialogue and Conversational Question Answering Song Feng editor Hui Wan editor Caixia Yuan editor Han Yu editor Association for Computational Linguistics Dublin, Ireland conference publication feng-etal-2022-dialdoc 10.18653/v1/2022.dialdoc-1.18 https://aclanthology.org/2022.dialdoc-1.18/ 2022-05 155 160