@inproceedings{Suzuki:2003:MLSUM,
  author = {Suzuki, Jun  and  Taira, Hirotoshi  and  Sasaki, Yutaka  and  Maeda, Eisaku},
  title  = {Question Classification using {HDAG} Kernel},
  booktitle = {Proceedings of the ACL 2003 Workshop on Multilingual Summarization and Question Answering},
  editor = {Abraham Ittycheriah, Tsuneaki Kato, Chin-Yew Lin and Yutaka Sasaki},
  url    = {http://www.aclweb.org/anthology/W03-1208.pdf},
  year   = 2003,
  pages  = {61--68}
}