@inproceedings{wang-patrick-2009-cascading,
    title = "Cascading Classifiers for Named Entity Recognition in Clinical Notes",
    author = "Wang, Yefeng  and
      Patrick, Jon",
    editor = "Savova, Guergana  and
      Karkaletsis, Vangelis  and
      Angelova, Galia",
    booktitle = "Proceedings of the Workshop on Biomedical Information Extraction",
    month = sep,
    year = "2009",
    address = "Borovets, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W09-4507/",
    pages = "42--49"
}