Cross-media Structured Common Space for Multimedia Event Extraction Manling Li author Alireza Zareian author Qi Zeng author Spencer Whitehead author Di Lu author Heng Ji author Shih-Fu Chang author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication li-etal-2020-cross 10.18653/v1/2020.acl-main.230 https://aclanthology.org/2020.acl-main.230/ 2020-07 2557 2568