Sequence-to-Nuggets: Nested Entity Mention Detection via Anchor-Region Networks Hongyu Lin author Yaojie Lu author Xianpei Han author Le Sun author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication lin-etal-2019-sequence 10.18653/v1/P19-1511 https://aclanthology.org/P19-1511/ 2019-07 5182 5192