Improving Zero-shot Cross-lingual Dialogue State Tracking via Contrastive Learning Xiang Yu author Zhang Ting author Di Hui author Huang Hui author Li Chunyou author Ouchi Kazushige author Chen Yufeng author Xu Jinan author 2023-08 text eng Proceedings of the 22nd Chinese National Conference on Computational Linguistics Maosong Sun editor Bing Qin editor Xipeng Qiu editor Jing Jiang editor Xianpei Han editor Chinese Information Processing Society of China Harbin, China conference publication yu-etal-2023-improving https://aclanthology.org/2023.ccl-1.54/ 2023-08 624 625