Ontologies
RO
Relation Ontology (RO)
OWL
View license
Last submission date January 27, 2026
Summary
Classes
Properties
Instances
Notes
Mappings
Widgets
Sparql

General information

The OBO Relations Ontology (RO) is a collection of OWL relations (ObjectProperties) intended for use across a wide variety of biological ontologies. See more...
Last modified on January 27, 2026. For additional information, contact Chris Mungall (cjmungall@lbl.gov).

Categories and subjects

Bio
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Metrics

Submissions

Identifiers

URI

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

Version IRI

http://purl.obolibrary.org/obo/ro/releases/2025-12-17/ro.owl
http://purl.obolibrary.org/obo/ro/releases/2025-12-17/ro.owl

BiodivPortal URI

https://biodivportal.gfbio.org/ontologies/RO
https://biodivportal.gfbio.org/ontologies/RO

Dates

Creation date

January 27, 2026

Submission date

January 27, 2026

Modification date

March 5, 2025

Persons and organizations

Contact

Chris Mungall

Other links

Projects and usage information

Projects using RO

No projects using RO

Methodology and provenance

The fields Knowledge representation paradigm, Engineering methodology, Created with, Accrual method, Accrual periodicity... are empty

Community

Repository

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

Mailing list

https://groups.google.com/forum/#!forum/obo-relations
https://groups.google.com/forum/#!forum/obo-relations

Groups

OBO Foundry

Content

The fields are empty

Visits

We are still collecting data for RO

Views of RO

No views available for RO.