Event Extraction as Machine Reading Comprehension Jian Liu author Yubo Chen author Kang Liu author Wei Bi author Xiaojiang Liu author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication liu-etal-2020-event 10.18653/v1/2020.emnlp-main.128 https://aclanthology.org/2020.emnlp-main.128/ 2020-11 1641 1651