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You are visiting the ESIP Community Ontology Repository.

Access the COR   Project Home Page

To use or explore the repository, click on the left button above.

Hosted by ESIP, the COR consists of a deployment of the MMI Ontology Registry and Repository (ORR) software. ORR documentation can be found at https://mmisw.org/orrdoc/.

The COR is available for any member of ESIP or the public to test the creation and management of Earth science ontologies and vocabularies.



The ESIP Community Ontology Repository is operated by ESIP Staff and members of the Semantic Technologies Committee.

Funding for the latest modifications to the ORR software has been provided by the NSF
via the Cross-Domain Observational Metadata for EnviroSensing project (X-DOMES).


Questions? Contact: staff@esipfed.org