@inproceedings{deschacht-moens-2006-efficient,
    title = "Efficient Hierarchical Entity Classifier Using Conditional Random Fields",
    author = "Deschacht, Koen  and
      Moens, Marie-Francine",
    editor = "Buitelaar, Paul  and
      Cimiano, Philipp  and
      Loos, Berenike",
    booktitle = "Proceedings of the 2nd Workshop on Ontology Learning and Population: Bridging the Gap between Text and Knowledge",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W06-0505/",
    pages = "33--40"
}