The Open Metadata Registry (formerly the NSDL Registry) provides services to developers and consumers of controlled vocabularies and is one of the first production deployments of the RDF-based Semantic Web Community's Simple Knowledge Organization System (SKOS).
| URI | http://bartoc.org/en/node/1728 |
| API | http://metadataregistry.org/endpoint.php |
| Homepage | http://metadataregistry.org/ |
| Type | terminology service |