Good Visual Guidance Make A Better Extractor: Hierarchical Visual Prefix for Multimodal Entity and Relation Extraction Xiang Chen author Ningyu Zhang author Lei Li author Yunzhi Yao author Shumin Deng author Chuanqi Tan author Fei Huang author Luo Si author Huajun Chen author 2022-07 text Findings of the Association for Computational Linguistics: NAACL 2022 Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication chen-etal-2022-good 10.18653/v1/2022.findings-naacl.121 https://aclanthology.org/2022.findings-naacl.121/ 2022-07 1607 1618