@inproceedings{Niu6,
  author = "Yun Niu and Graeme Hirst and Gregory McArthur and Patricia Rodriguez-Gianolli",
  title = "Answering Clinical Questions with Role Identification",
  booktitle = "Proceedings, Workshop on Natural Language Processing in
          Biomedicine, 41st annual meeting of the Association for
          Computational Linguistics",
  address = "Sapporo, Japan",
  month = "July",
  year = "2003",
  abstract = "We describe our work in progress on natural language analysis in
              medical question-answering in the context of a broader medical
              text-retrieval project.  We analyze the limitations in the medical
              domain of the technologies that have been developed for general
              question-answering systems, and describe an alternative approach whose
              organizing principle is the identification of semantic roles in both
              question and answer texts that correspond to the fields of PICO
              format.",
  download = "http://ftp.cs.toronto.edu/pub/gh/Niu-etal-2003.pdf"
}