Event Time Extraction and Propagation via Graph Attention Networks Haoyang Wen author Yanru Qu author Heng Ji author Qiang Ning author Jiawei Han author Avi Sil author Hanghang Tong author Dan Roth author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication wen-etal-2021-event 10.18653/v1/2021.naacl-main.6 https://aclanthology.org/2021.naacl-main.6/ 2021-06 62 73