Hierarchical Trivia Fact Extraction from Wikipedia Articles Jingun Kwon author Hidetaka Kamigaito author Young-In Song author Manabu Okumura author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication kwon-etal-2020-hierarchical 10.18653/v1/2020.coling-main.424 https://aclanthology.org/2020.coling-main.424/ 2020-12 4825 4834