Are Factuality Checkers Reliable? Adversarial Meta-evaluation of Factuality in Summarization Yiran Chen author Pengfei Liu author Xipeng Qiu 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 chen-etal-2021-factuality-checkers 10.18653/v1/2021.findings-emnlp.179 https://aclanthology.org/2021.findings-emnlp.179/ 2021-11 2082 2095