The UI System in the HOO 2012 Shared Task on Error Correction Alla Rozovskaya author Mark Sammons author Dan Roth 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 rozovskaya-etal-2012-ui https://aclanthology.org/W12-2032/ 2012-06 272 280