Weakly-Supervised Visual-Retriever-Reader for Knowledge-based Question Answering Man Luo author Yankai Zeng author Pratyay Banerjee author Chitta Baral author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing 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 luo-etal-2021-weakly 10.18653/v1/2021.emnlp-main.517 https://aclanthology.org/2021.emnlp-main.517/ 2021-11 6417 6431