XMDR Content Survey - UMLS Metathesaurus

II. Core Content Characterization

Title*

Unified Medical Language System Metathesaurus

Acronym

UMLS

Web page(s)

http://www.nlm.nih.gov/research/umls/

Identifier

URI:ISO:2.16.840.1.113883.6.86

Contact Information

US National Library of Medicine

8600 Rockville Pike
Bethesda
MD 20894

Inclusion Rationale*

The Metathesaurus is a very large, multi-purpose, and multi-lingual vocabulary database that contains information about biomedical and health related concepts, their various names, and the relationships among them.

Subject*

Kind of Metadata*

  • data element characterization
  • Term Lists
  • Classification and Categorization
  • Relationship Groups

    • Size statistics(estimated)*

    Over 1,000,000 Concepts

    Over 130 controlled vocabularies

    Roughly 20 GB

    Initial Submitter*

    Harold Solbrig solbrig@mayo.edu

    Date of Initial Survey*

    2005-03-10

    III. Supplementary Content Characterization

    The following attributes of the content characterization will be completed by XMDR staff. These attributes will be collected for those content collections which are considered to be high priority for inclusion in the prototype.

    Attributes marked with an asterisk (*) are considered mandatory.

    Date*

    2005-01

    Creator

    National Library of Medicine

    Publisher*

    National Library of Medicine

    Description*

    Home Page

    Language(s)*

    Basque

    Czech

    Danish

    Dutch

    English

    Finnish

    French

    German

    Hungarian

    Italian

    Japanese

    Norwegian

    Portugese

    Russian

    Spanish

    Swedish

    Graph-theoretic Classification*

    Indicate type of metadata according to the following graph-theoretic classification scheme:

    Format / Schemas(s)*

    UMLS RRF

    Media / Download*

    Is the metadata resource available for download? YES

    Constraint Specifications

    ?

    Protocol(s)

    ?

    Licensing Issues*

    Some portions of the UMLS metathesaurus are restricted, but the vast majority of the content is unrestricted

    Export restrictions

    Some portions of the UMLS (e.g. SNOMED-CT) are only available for use within the United States

    Subsets

    There are a variety of subsetting mechanisms available. Of particular interest is that any of the 134+ component terminologies can be extracted and used independently

    Versions, Updates

    2005AA Versions are currently released roughly quarterly.

    Documentation

    See: Home Page

    Character Set Encoding*

    UTF-8

    Measurement units

    NA

    Dataset / Standards Dependencies

    The UMLS creates very little of its own content - rather it incorporates and links 135+ outside terminologies.

    Related Datasets

    The NCI Metathesaurus is an augmented image of the UMLS Metathesaurus

    Software tools

    See the NCI web page

    Audience(s)

    MD's RN's and other Clinical Experts

    Citation

    Surveyor*

    Harold Solbrig

    Date of Survey*

    2005-03-11

    IV. Content Characterization by XMDR Staff

    The following data elements are to be supplied by XMDR project staff/collaborators.

    Attributes marked with an asterisk (*) are considered mandatory.

    XMDR Participant Expertise

    Names of persons (if any) on XMDR project (and contact info) who are familiar with this data set. XMDR participant organizations who have copies of this metadata resource.

    XMDR Evaluator*

    Names of persons on XMDR project (and contact info) who evaluated this metadata resource for inclusion (e.g., if the content survey was completed by someone at the content repository).

    Inclusion Priority*

    Priority suggested for acquisition and ingestion of this metadata resource.

    Maintained by Frank Olken at Lawrence Berkeley National Laboratory. olken@lbl.gov Last updated: 2004-08-31, Tuesday

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