GL-CLeF: A Global–Local Contrastive Learning Framework for Cross-lingual Spoken Language Understanding Libo Qin author Qiguang Chen author Tianbao Xie author Qixin Li author Jian-Guang Lou author Wanxiang Che author Min-Yen Kan author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication qin-etal-2022-gl 10.18653/v1/2022.acl-long.191 https://aclanthology.org/2022.acl-long.191/ 2022-05 2677 2686