Fuxiao Liu author Yinghan Wang author Tianlu Wang author Vicente Ordonez author 2021-11 text Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication liu-etal-2021-visual 10.18653/v1/2021.emnlp-main.542 https://aclanthology.org/2021.emnlp-main.542/ 2021-11 6761 6771