UniCOQE: Unified Comparative Opinion Quintuple Extraction As A Set Zinong Yang author Feng Xu author Jianfei Yu author Rui Xia 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-unicoqe 10.18653/v1/2023.findings-acl.775 https://aclanthology.org/2023.findings-acl.775/ 2023-07 12229 12240