Syntax-guided Contrastive Learning for Pre-trained Language Model Shuai Zhang author Wang Lijie author Xinyan Xiao author Hua Wu author 2022-05 text Findings of the Association for Computational Linguistics: ACL 2022 Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication zhang-etal-2022-syntax 10.18653/v1/2022.findings-acl.191 https://aclanthology.org/2022.findings-acl.191/ 2022-05 2430 2440