@inproceedings{Chieu:2003:ACL,
  author = {Chieu, Hai Leong  and  Ng, Hwee Tou  and  Lee, Yoong Keok},
  title  = {Closing the Gap: Learning-Based Information Extraction Rivaling Knowledge-Engineering   Methods},
  booktitle = {Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics},
  editor = {Erhard Hinrichs and Dan Roth},
  url    = {http://www.aclweb.org/anthology/P03-1028.pdf},
  year   = 2003,
  pages  = {216--223}
}