Classifier Stacking for Native Language Identification Wen Li author Liang Zou author 2017-09 text Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications Joel Tetreault editor Jill Burstein editor Claudia Leacock editor Helen Yannakoudakis editor Association for Computational Linguistics Copenhagen, Denmark conference publication li-zou-2017-classifier 10.18653/v1/W17-5044 https://aclanthology.org/W17-5044/ 2017-09 390 397