JointCL: A Joint Contrastive Learning Framework for Zero-Shot Stance Detection Bin Liang author Qinglin Zhu author Xiang Li author Min Yang author Lin Gui author Yulan He author Ruifeng Xu 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 liang-etal-2022-jointcl 10.18653/v1/2022.acl-long.7 https://aclanthology.org/2022.acl-long.7/ 2022-05 81 91