@InProceedings{chieu-ng-lee:2003:ACL,
  author    = {Hai Leong Chieu  and  Hwee Tou Ng  and  Yoong Keok Lee},
  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},
  month     = {July},
  year      = {2003},
  address   = {Sapporo, Japan},
  publisher = {Association for Computational Linguistics},
  pages     = {216--223},
  url       = {http://www.aclweb.org/anthology/P03-1028},
  doi       = {10.3115/1075096.1075124}
}