Integrating User History into Heterogeneous Graph for Dialogue Act Recognition Dong Wang author Ziran Li author Haitao Zheng author Ying Shen author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication wang-etal-2020-integrating 10.18653/v1/2020.coling-main.372 https://aclanthology.org/2020.coling-main.372/ 2020-12 4211 4221