Li, Gen, Nan Duan, Yuejian Fang, Ming Gong, and Daxin Jiang. 2020. “Unicoder-VL: A Universal Encoder for Vision and Language by Cross-Modal Pre-Training”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (07):11336-44. https://doi.org/10.1609/aaai.v34i07.6795.