DG2: Data Augmentation Through Document Grounded Dialogue Generation Qingyang Wu author Song Feng author Derek Chen author Sachindra Joshi author Luis Lastras author Zhou Yu author 2022-09 text Proceedings of the 23rd Annual Meeting of the Special Interest Group on Discourse and Dialogue Oliver Lemon editor Dilek Hakkani-Tur editor Junyi Jessy Li editor Arash Ashrafzadeh editor Daniel Hernández Garcia editor Malihe Alikhani editor David Vandyke editor Ondřej Dušek editor Association for Computational Linguistics Edinburgh, UK conference publication wu-etal-2022-dg2 10.18653/v1/2022.sigdial-1.21 https://aclanthology.org/2022.sigdial-1.21/ 2022-09 204 216