Headed-Span-Based Projective Dependency Parsing Songlin Yang author Kewei Tu 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 yang-tu-2022-headed 10.18653/v1/2022.acl-long.155 https://aclanthology.org/2022.acl-long.155/ 2022-05 2188 2200