Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named Entity Recognition Zheng Yuan author Chuanqi Tan author Songfang Huang author Fei Huang author 2022-05 text Findings of the Association for Computational Linguistics: ACL 2022 Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication yuan-etal-2022-fusing 10.18653/v1/2022.findings-acl.250 https://aclanthology.org/2022.findings-acl.250/ 2022-05 3174 3186