Identifying science concepts and student misconceptions in an interactive essay writing tutor Steven Bethard author Ifeyinwa Okoye author Md. Arafat Sultan author Haojie Hang author James H Martin author Tamara Sumner author 2012-06 text Proceedings of the Seventh Workshop on Building Educational Applications Using NLP Joel Tetreault editor Jill Burstein editor Claudia Leacock editor Association for Computational Linguistics Montréal, Canada conference publication bethard-etal-2012-identifying https://aclanthology.org/W12-2002/ 2012-06 12 21