A Generative User Simulator with GPT-based Architecture and Goal State Tracking for Reinforced Multi-Domain Dialog Systems Hong Liu author Yucheng Cai author Zhijian Ou author Yi Huang author Junlan Feng author 2022-12 text Proceedings of the Towards Semi-Supervised and Reinforced Task-Oriented Dialog Systems (SereTOD) Zhijian Ou editor Junlan Feng editor Juanzi Li editor Association for Computational Linguistics Abu Dhabi, Beijing (Hybrid) conference publication liu-etal-2022-generative 10.18653/v1/2022.seretod-1.10 https://aclanthology.org/2022.seretod-1.10/ 2022-12 85 97