Diversity Enhanced Narrative Question Generation for Storybooks Hokeun Yoon author JinYeong Bak 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 yoon-bak-2023-diversity 10.18653/v1/2023.emnlp-main.31 https://aclanthology.org/2023.emnlp-main.31/ 2023-12 465 482