Factual Consistency Evaluation for Text Summarization via Counterfactual Estimation Yuexiang Xie author Fei Sun author Yang Deng author Yaliang Li author Bolin Ding author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication xie-etal-2021-factual-consistency 10.18653/v1/2021.findings-emnlp.10 https://aclanthology.org/2021.findings-emnlp.10/ 2021-11 100 110