@inproceedings{cao-etal-2021-uncertain, title = "Uncertain Local-to-Global Networks for Document-Level Event Factuality Identification", author = "Cao, Pengfei and Chen, Yubo and Yang, Yuqing and Liu, Kang and Zhao, Jun", editor = "Moens, Marie-Francine and Huang, Xuanjing and Specia, Lucia and Yih, Scott Wen-tau", booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing", month = nov, year = "2021", address = "Online and Punta Cana, Dominican Republic", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2021.emnlp-main.207/", doi = "10.18653/v1/2021.emnlp-main.207", pages = "2636--2645" }