1. Information retrieval: a health care perspective;Hersh,1996
2. Exploiting a large thesaurus for information retrieval;Aronson;Proc RIAO '94 Conf,1994
3. Ambiguity resolution while mapping free text to the UMLS Metathesaurus;Rindflesch;Proc AMIA Symp,1994
4. Evaluation of negation phrases in narrative clinical reports;Chapman;Proc AMIA Symp,2001
5. Automatic detection of acute bacterial pneumonia from chest X-ray reports;Fiszman;J Am Med Inform Assoc,2000