Structured Mean-Field Variational Inference for Higher-Order Span-Based Semantic Role Labeling Wei Liu author Songlin Yang author Kewei Tu 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 liu-etal-2023-structured 10.18653/v1/2023.findings-acl.58 https://aclanthology.org/2023.findings-acl.58/ 2023-07 918 931