@InProceedings{hermet-alain:2009:NLP-Education, author = {Hermet, Matthieu and Alain, D\'{e}silets}, title = {Using First and Second Language Models to Correct Preposition Errors in Second Language Authoring}, booktitle = {Proceedings of the Fourth Workshop on Innovative Use of NLP for Building Educational Applications}, month = {June}, year = {2009}, address = {Boulder, Colorado}, publisher = {Association for Computational Linguistics}, pages = {64--72}, url = {http://www.aclweb.org/anthology/W09-2110} }