Improving Zero-shot Cross-lingual Dialogue State Tracking via Contrastive Learning Yu Xiang author Ting Zhang author Hui Di author Hui Huang author Chunyou Li author Kazushige Ouchi author Yufeng Chen author Jinan Xu 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