@InProceedings{hui-liu-ouyang:2011:IJCNLP-2011,
  author    = {Hui, Zijing  and  Liu, Juan  and  Ouyang, Lumei},
  title     = {Question classification based on an extended class sequential rule model},
  booktitle = {Proceedings of 5th International Joint Conference on Natural Language Processing},
  month     = {November},
  year      = {2011},
  address   = {Chiang Mai, Thailand},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {938--946},
  url       = {http://www.aclweb.org/anthology/I11-1105}
}