The Ups and Downs of Preposition Error Detection in ESL Writing Joel R Tetreault author Martin Chodorow author 2008-08 text Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008) Donia Scott editor Hans Uszkoreit editor Coling 2008 Organizing Committee Manchester, UK conference publication tetreault-chodorow-2008-ups https://aclanthology.org/C08-1109/ 2008-08 865 872