@InProceedings{deschacht-moens:2006:OLP,
  author    = {Deschacht, Koen  and  Moens, Marie-Francine},
  title     = {Efficient Hierarchical Entity Classifier Using Conditional Random Fields},
  booktitle = {Proceedings of the 2nd Workshop on Ontology Learning and Population: Bridging the Gap between Text and Knowledge},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {33--40},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-0505}
}