is a Ontology.
It is part of the OBO Foundry collection.
The OBO Interoperability Ontology (OIO) was a set of annotation properties and ontology metadata standards developed to promote interoperability between OBO Foundry ontologies. Its terms and properties have been superseded by OMO (Ontology Metadata Ontology) and are now considered deprecated. OIO provided foundational metadata terms that were widely used in early OBO ontologies for describing ontology versioning, imports, and other metadata.
biological systems, upper
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infores:oio
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The OBO Interoperability Ontology (OIO) was a set of annotation properties and ontology metadata standards developed to promote interoperability between OBO Foundry ontologies.
Important: This ontology is now deprecated. Its terms and properties have been superseded by OMO (Ontology Metadata Ontology), which provides a more comprehensive and modern approach to ontology metadata.
OIO provided foundational metadata terms that were widely used in early OBO ontologies for describing:
These capabilities are now provided by the Ontology Metadata Ontology (OMO), which should be used for new ontology development.
The deprecated OIO ontology is still available in OWL and OBO formats for legacy purposes, but users should migrate to OMO for current projects.
This resource has the Information Resource identifier: infores:oio
This ontology was part of the OBO Foundry collection of interoperable ontologies.
Created: November 05, 2025 | Last modified: November 05, 2025