https://github.com/oborel/obo-relations

RO is an ontology of relations for use with biological ontologies
https://github.com/oborel/obo-relations

bfo knowledge-graph obo-relations obofoundry ontologies owl relations

Last synced: 5 months ago
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RO is an ontology of relations for use with biological ontologies

• Host: GitHub
• URL: https://github.com/oborel/obo-relations
• Owner: oborel
• License: other
• Created: 2015-07-03T21:47:23.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2026-01-26T23:00:45.000Z (5 months ago)
• Last Synced: 2026-01-27T09:44:25.223Z (5 months ago)
• Topics: bfo, knowledge-graph, obo-relations, obofoundry, ontologies, owl, relations
• Language: Jupyter Notebook
• Homepage: http://oborel.github.io/obo-relations/
• Size: 12.3 MB
• Stars: 108
• Watchers: 28
• Forks: 52
• Open Issues: 66
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGES.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE.txt
  • Code of conduct: CODE_OF_CONDUCT.md
  • Codeowners: .github/CODEOWNERS
  • Governance: GOVERNANCE.md

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This is the project page for RO, the OBO Relations Ontology

# Summary

RO is a collection of relations intended primarily for standardization across ontologies in the [OBO Foundry](http://obofoundry.org) and wider OBO library. It incorporates [ROCore](https://github.com/oborel/obo-relations/wiki/ROCore) upper-level relations such as [part of](http://purl.obolibrary.org/obo/BFO_0000050) as well as biology-specific relationship types such as [develops from](http://purl.obolibrary.org/obo/RO_0002202).

## Documentation

 * [RO Guide](https://oborel.github.io/obo-relations/)

 * [Main RO site](https://oborel.github.io/)

## Download

This is the main PURL for the ontology:

 * http://purl.obolibrary.org/obo/ro.owl

For all download products, see the [RO OBO page](http://obofoundry.org/ontology/ro.html)

## Browse

Currently the optimal way to browse RO is to use Protege and inspect ro.owl

See the [list of relations on OntoBee](http://www.ontobee.org/browser/term.php?o=RO&iri=http://www.w3.org/2002/07/owl%23ObjectProperty&graph=http://purl.obolibrary.org/obo/merged/RO) -- note that sometimes OntoBee fails to display the full hierarchy

## How to cite

Please cite RO by its GitHub URL [https://github.com/oborel/obo-relations](https://github.com/oborel/obo-relations) or its Zenodo DOI, [DOI: 10.5281/zenodo.32899](https://zenodo.org/record/3955125#.X3vzkZOpFyo) .

## Mailing list

 * http://groups.google.com/group/obo-relations

## Requesting new relations

Use [the GitHub issue tracker](https://github.com/oborel/obo-relations/issues) and/or the obo-relations mailing list.

# How to contribute to RO and join the RO working group

Please see our page on [Contributing to RO](https://github.com/oborel/obo-relations/blob/master/CONTRIBUTING.md).