Gradient-Based Adversarial Factual Consistency Evaluation for Abstractive Summarization Zhiyuan Zeng author Jiaze Chen author Weiran Xu author Lei Li 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 zeng-etal-2021-gradient 10.18653/v1/2021.emnlp-main.337 https://aclanthology.org/2021.emnlp-main.337/ 2021-11 4102 4108