JFLEG: A Fluency Corpus and Benchmark for Grammatical Error Correction Courtney Napoles author Keisuke Sakaguchi author Joel Tetreault author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Mirella Lapata editor Phil Blunsom editor Alexander Koller editor Association for Computational Linguistics Valencia, Spain conference publication napoles-etal-2017-jfleg https://aclanthology.org/E17-2037/ 2017-04 229 234