Hierarchical Curriculum Learning for AMR Parsing Peiyi Wang author Liang Chen author Tianyu Liu author Damai Dai author Yunbo Cao author Baobao Chang author Zhifang Sui author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication wang-etal-2022-hierarchical 10.18653/v1/2022.acl-short.37 https://aclanthology.org/2022.acl-short.37/ 2022-05 333 339