NUS at the HOO 2012 Shared Task Daniel Dahlmeier author Hwee Tou Ng author Eric Jun Feng Ng 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 dahlmeier-etal-2012-nus https://aclanthology.org/W12-2025/ 2012-06 216 224