AMBERT: A Pre-trained Language Model with Multi-Grained Tokenization Xinsong Zhang author Pengshuai Li author Hang Li author 2021-08 text Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication zhang-etal-2021-ambert 10.18653/v1/2021.findings-acl.37 https://aclanthology.org/2021.findings-acl.37/ 2021-08 421 435