@InProceedings{greenwood-stevenson:2007:ACL2007_DLP,
  author    = {Greenwood, Mark  and  Stevenson, Mark},
  title     = {A Task-based Comparison of Information Extraction Pattern Models},
  booktitle = {ACL 2007 Workshop on Deep Linguistic Processing},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {81--88},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1211}
}