@InProceedings{barclay-EtAl:1996:TIPSTER96,
  author    = {Chris Barclay  and  Sean Boisen  and  Clinton Hyde  and  Ralph Weischedel},
  title     = {THE HOOKAH INFORMATION EXTRACTION SYSTEM},
  booktitle = {Proceedings of the TIPSTER Text Program: Phase II},
  month     = {May},
  year      = {1996},
  address   = {Vienna, Virginia, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {79--82},
  url       = {http://www.aclweb.org/anthology/X96-1019},
  doi       = {10.3115/1119018.1119040}
}