appears_in:
- agro
- ms
- rbo
- scdo
banana: UO
contact:
  email: g.gkoutos@gmail.com
  github: gkoutos
  name: George Gkoutos
  orcid: 0000-0002-2061-091X
depends_on: []
deprecated: false
description: Ontology of standardized units
download_json: http://purl.obolibrary.org/obo/uo.json
download_obo: http://purl.obolibrary.org/obo/uo.obo
download_owl: http://purl.obolibrary.org/obo/uo.owl
example: 0000080
example_extras: []
homepage: https://github.com/bio-ontology-research-group/unit-ontology
keywords:
- dataplant
- earth sciences
- ess
- life science
- life sciences, biology
- mathematics
- measurement
- nfdi4chem
- nfdi4ing
- obo
- ontology
- physics
- unit
- units
license: CC-BY-3.0
mappings:
  aberowl: UO
  agroportal: UO
  biocontext: UO
  bioportal: UO
  fairsharing: FAIRsharing.mjnypw
  miriam: uo
  n2t: uo
  obofoundry: uo
  ols: uo
  ontobee: UO
  prefixcommons: uo
  tib: uo
  wikidata.entity: Q81661826
name: Units of measurement ontology
namespace_in_lui: true
owners:
- name: European Bioinformatics Institute
  ror: 02catss52
pattern: ^\d{7}$
preferred_prefix: UO
prefix: uo
providers:
- code: bio2rdf
  description: Bio2RDF is an open-source project that uses Semantic Web technologies
    to build and provide the largest network of Linked Data for the Life Sciences.
    Bio2RDF defines a set of simple conventions to create RDF(S) compatible Linked
    Data from a diverse set of heterogeneously formatted sources obtained from multiple
    data providers.
  homepage: https://bio2rdf.org
  name: Bio2RDF
  uri_format: http://bio2rdf.org/uo:$1
publications:
- doi: 10.1093/database/bas033
  pmc: PMC3468815
  pubmed: '23060432'
  title: 'The Units Ontology: a tool for integrating units of measurement in science'
  year: 2012
rdf_uri_format: http://purl.obolibrary.org/obo/UO_$1
repository: https://github.com/bio-ontology-research-group/unit-ontology
synonyms: []
uri_format: http://purl.obolibrary.org/obo/UO_$1
version: '2026-01-16'
