Access the MMI ORR

The MMI Ontology Registry and Repository (ORR) is a web application through which you can create, update, access, and map ontologies and their terms. The MMI ORR User Manual is located here.

If you have any trouble or suggestions about ORR please contact us.



The ORR software is maintained by volunteers on ESIP Federation's Semantic Technologies Committee.

The software was originally funded by NSF's Marine Metadata Interoperability Project, Additional contributions came from EarthCube's X-DOMES projects, ESIP Labs, and Harte Research Institute at Texas A&M University Corpus Christi.