Textbook Question Answering with Multi-modal Context Graph Understanding and Self-supervised Open-set Comprehension Daesik Kim author Seonhoon Kim author Nojun Kwak author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication kim-etal-2019-textbook 10.18653/v1/P19-1347 https://aclanthology.org/P19-1347/ 2019-07 3568 3584