Scalable and Accurate Dialogue State Tracking via Hierarchical Sequence Generation Liliang Ren author Jianmo Ni author Julian McAuley author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication ren-etal-2019-scalable 10.18653/v1/D19-1196 https://aclanthology.org/D19-1196/ 2019-11 1876 1885