Korea University System in the HOO 2012 Shared Task Jieun Lee author Jung-Tae Lee author Hae-Chang Rim 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 lee-etal-2012-korea https://aclanthology.org/W12-2029/ 2012-06 251 256