Taking the Correction Difficulty into Account in Grammatical Error Correction Evaluation Takumi Gotou author Ryo Nagata author Masato Mita author Kazuaki Hanawa author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication gotou-etal-2020-taking 10.18653/v1/2020.coling-main.188 https://aclanthology.org/2020.coling-main.188/ 2020-12 2085 2095