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UMLS

H123

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General

  • Ontologically Committed

    Ontological

  • Commitment Level

    Low

  • Subject

    Natural Language

  • Categorical

    Yes

Vertical

  • Parent-arity Type Instance

    Unconstrained

  • Boundedness Type Instance - Downward

    Bounded

  • Boundedness Type Instance - Fixed Finite Levels

    Fixed

  • Boundedness Type Instance - Number of Fixed Levels

    2

  • Stratification Type Instance

    Stratified

  • Formal Generation - Whole Part - Fusion

    No

  • Formal Generation - Whole Part - Complement

    No

  • Formal Generation - Type Instance - Fusion

    No

  • Formal Generation - Super Sub Type - Fusion

    No

  • Formal Generation - Super Sub Type - Complement

    No

  • Relation Class-ness Type Instance

    Second-class

  • Relation Class-ness Super Sub Type

    Second-class

Horizontal

  • Endurants

    Separating

Universal

  • Time

    Eternalist

  • Indexicals: Here And Now

    Not-supported

F.36 UMLS – Unified Medical Language System 

F.36.1 Overview 

The Unified Medical Language System (UMLS) is a compendium of many controlled vocabularies in the biomedical sciences (created 1986). It provides a mapping structure among these vocabularies and thus allows one to translate among the various terminology systems; it may also be viewed as a comprehensive thesaurus and ontology of biomedical concepts. UMLS further provides facilities for natural language processing. It is intended to be used mainly by developers of systems in medical informatics. 

From  https://en.wikipedia.org/wiki/Unified_Medical_Language_System  

See also: https://www.nlm.nih.gov/research/umls/index.html

F.36.2 Top-level 

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F.36.3 Key characteristics 

A natural language ontology. 

F36.4 Relevant extracts 

Semantic Network 

The Semantic Network consists of (1) a set of broad subject categories, or Semantic Types, that provide a consistent categorization of all concepts represented in the UMLS Metathesaurus, and (2) a set of useful and important relationships, or Semantic Relations, that exist between Semantic Types. This section of the documentation provides an overview of the Semantic Network, and describes the files of the Semantic Network. Sample records illustrate structure and content of these files. 

 

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Return to Appendix : Candidate source top-level ontologies – longlist

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Continue to Appendix G: Prior ontological commitment literature

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