Ground Truth for Grammatical Error Correction Metrics Courtney Napoles author Keisuke Sakaguchi author Matt Post author Joel Tetreault author 2015-07 text Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Chengqing Zong editor Michael Strube editor Association for Computational Linguistics Beijing, China conference publication napoles-etal-2015-ground 10.3115/v1/P15-2097 https://aclanthology.org/P15-2097/ 2015-07 588 593