UMLS Semantic Network

Other names: Semantic Types Ontology, STY

The US National Library of Medicine has developed the Unified Medical Language System (UMLS), whose goal it is to provide integrated access to a large number of biomedical resources by unifying the vocabularies that are used to access those resources. The UMLS Metathesaurus interrelates more than 150 controlled vocabularies in the biomedical domain. The UMLS coverage is quite extensive, including not only many concepts in clinical medicine, but also a large number of concepts applicable to the broad domain of the life sciences. In order to provide an overarching conceptual framework for all UMLS concepts, the UMLS Semantic Network, an upper-level ontology, has been developed. The Semantic Network provides a consistent categorization of all concepts represented in the UMLS Metathesaurus. The links between the semantic types provide the structure for the network and represent important relationships in the biomedical domain. 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.

Webpage:
https://semanticnetwork.nlm.nih.gov/

Licence:
Name: Creative Commons Attribution-NonCommercial-NoDerivs 2.5 Switzerland (CC BY-NC-ND 2.5 CH)
URL: https://creativecommons.org/licenses/by-nc-nd/2.5/ch/

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