Uncertain Local-to-Global Networks for Document-Level Event Factuality Identification Pengfei Cao author Yubo Chen author Yuqing Yang author Kang Liu author Jun Zhao author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication cao-etal-2021-uncertain 10.18653/v1/2021.emnlp-main.207 https://aclanthology.org/2021.emnlp-main.207/ 2021-11 2636 2645