UniChart: A Universal Vision-language Pretrained Model for Chart Comprehension and Reasoning Ahmed Masry author Parsa Kavehzadeh author Xuan Long Do author Enamul Hoque author Shafiq Joty author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication masry-etal-2023-unichart 10.18653/v1/2023.emnlp-main.906 https://aclanthology.org/2023.emnlp-main.906/ 2023-12 14662 14684