Improving Native Language Identification by Using Spelling Errors Lingzhen Chen author Carlo Strapparava author Vivi Nastase author 2017-07 text Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Regina Barzilay editor Min-Yen Kan editor Association for Computational Linguistics Vancouver, Canada conference publication chen-etal-2017-improving 10.18653/v1/P17-2086 https://aclanthology.org/P17-2086/ 2017-07 542 546