@InProceedings{huang-thint-qin:2008:EMNLP,
  author    = {Huang, Zhiheng  and  Thint, Marcus  and  Qin, Zengchang},
  title     = {Question Classification using Head Words and their Hypernyms},
  booktitle = {Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2008},
  address   = {Honolulu, Hawaii},
  publisher = {Association for Computational Linguistics},
  pages     = {927--936},
  url       = {http://www.aclweb.org/anthology/D08-1097}
}