Exploiting Hierarchically Structured Categories in Fine-grained Chinese Named Entity Recognition Jiuding Yang author Jinwen Luo author Weidong Guo author Di Niu author Yu Xu author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication yang-etal-2023-exploiting 10.18653/v1/2023.findings-acl.211 https://aclanthology.org/2023.findings-acl.211/ 2023-07 3407 3421