The Unified Medical Language System (UMLS): integrating biomedical terminology
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Open Access
- 1 January 2004
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 32 (90001) , 267D-270
- https://doi.org/10.1093/nar/gkh061
Abstract
The Unified Medical Language System (http://umlsks.nlm.nih.gov) is a repository of biomedical vocabularies developed by the US National Library of Medicine. The UMLS integrates over 2 million names for some 900,000 concepts from more than 60 families of biomedical vocabularies, as well as 12 million relations among these concepts. Vocabularies integrated in the UMLS Metathesaurus include the NCBI taxonomy, Gene Ontology, the Medical Subject Headings (MeSH), OMIM and the Digital Anatomist Symbolic Knowledge Base. UMLS concepts are not only inter-related, but may also be linked to external resources such as GenBank. In addition to data, the UMLS includes tools for customizing the Metathesaurus (MetamorphoSys), for generating lexical variants of concept names (lvg) and for extracting UMLS concepts from text (MetaMap). The UMLS knowledge sources are updated quarterly. All vocabularies are available at no fee for research purposes within an institution, but UMLS users are required to sign a license agreement. The UMLS knowledge sources are distributed on CD-ROM and by FTP.Keywords
This publication has 9 references indexed in Scilit:
- Neurofibromatosis 2.Published by Rockefeller University Press ,2003
- MGD: the Mouse Genome DatabaseNucleic Acids Research, 2003
- GenBankNucleic Acids Research, 2002
- PubMed: bridging the information gap.2001
- Effective mapping of biomedical text to the UMLS Metathesaurus: the MetaMap program.2001
- RefSeq and LocusLink: NCBI gene-centered resourcesNucleic Acids Research, 2001
- Gene Ontology: tool for the unification of biologyNature Genetics, 2000
- TAMBIS: Transparent Access to Multiple Bioinformatics Information SourcesBioinformatics, 2000
- The Representation of Meaning in the UMLSMethods of Information in Medicine, 1995