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  • Alexander C. Yu
  • Computer Science, Medicine
  • J. Biomed. Informatics
  • 2006 (First Publication: 1 June 2006)
  • Research on ontologies is becoming widespread in the biomedical informatics community. At the same time, it has become apparent that the challenges of properly constructing and maintaining ontologiesExpand
  • John C. Hwang, Alexander C. Yu, Daniel S. Casper, Justin Starren, James J. Cimino, Michael F. Chiang
  • Medicine
  • Ophthalmology
  • 2006 (First Publication: 1 April 2006)
  • OBJECTIVE To assess intercoder agreement for ophthalmology concepts by 3 physician coders using 5 controlled terminologies (International Classification of Diseases 9, Clinical Modification [ICD9CM];Expand