Collaboration Details

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Title of Collaborative Activity:

Unified Medical Language System Metathesaurus (UMLS)

Description of Collaborative Activity:

The National Library of Medicine (NLM) Unified Medical Language System (UMLS®) facilitates the development of computer systems that behave as if they understand the meaning of the language of biomedicine and health. To that end, NLM produces and distributes the UMLS Knowledge Sources (databases) and associated software tools (programs) for use by system developers in building or enhancing electronic information systems that create, process, retrieve, integrate, and/or aggregate biomedical and health data and information, as well as in informatics research. By design, the UMLS Knowledge Sources are multi-purpose.

Type of Collaborative Activity:

Resource Development

Year the Collaborative Activity Originated:


NIH Participating Institutes/Centers/Office of the Director:


HHS Agency Collaborators on this Activity: