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Proc Annu Symp Comput Appl Med Care. 1994 : 235–239.
PMCID: PMC2247735

Lexical methods for managing variation in biomedical terminologies.


Access to biomedical terminologies is hampered by the high degree of variability inherent in natural language terms and in the terminologies themselves. The lexicon, lexical programs, databases, and indexes included with the 1994 release of the UMLS Knowledge Sources are designed to help users manage this variability. We describe these resources and illustrate their flexibility and usefulness in providing enhanced access to data in the UMLS Metathesaurus.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Lindberg DA, Humphreys BL, McCray AT. The Unified Medical Language System. Methods Inf Med. 1993 Aug;32(4):281–291. [PubMed]
  • Vries JK, Marshalek B, D'Abarno JC, Yount RJ, Dunner LL. An automated indexing system utilizing semantic net expansion. Comput Biomed Res. 1992 Apr;25(2):153–167. [PubMed]

Articles from Proceedings of the Annual Symposium on Computer Application in Medical Care are provided here courtesy of American Medical Informatics Association


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