Is this the end of the gold standard? A straightforward reference-less grammatical error correction metric Md Asadul Islam author Enrico Magnani 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 islam-magnani-2021-end 10.18653/v1/2021.emnlp-main.239 https://aclanthology.org/2021.emnlp-main.239/ 2021-11 3009 3015