Document-Level Event Factuality Identification via Adversarial Neural Network Zhong Qian author Peifeng Li author Qiaoming Zhu author Guodong Zhou author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication qian-etal-2019-document 10.18653/v1/N19-1287 https://aclanthology.org/N19-1287/ 2019-06 2799 2809