Getting Better Dialogue Context for Knowledge Identification by Leveraging Document-level Topic Shift Nhat Tran author Diane Litman 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 tran-litman-2022-getting 10.18653/v1/2022.sigdial-1.36 https://aclanthology.org/2022.sigdial-1.36/ 2022-09 368 375