URN Handling and Resolution
General Information
CESSDA uses URNs, as required by the DDI standards. The URN agency and sub-agencies are registered at the DDI Agency Registry.
CESSDA does not provide URN resolution and there is currently no central resolver.
We have several sub-agencies for the various services
int.cessda.cv
- CESSDA owned vocabularies, not the serviceint.cessda.elsst
- ELSST Thesaurusint.cessda.eqb
- EQB
CVS
- Content hosted using CVS is canonically exposed with a URN
ELSST
ELSST’s canonical URLs are resolved to the Skosmos instance using redirects. Every concept has a unique identifier which is mapped using the URI template.
- URN form:
urn:ddi:int.cessda.elsst:{uuid}:{version}
- URI form:
https://elsst.cessda.eu/id/{uuid}
We do not have a way to resolve versions at the moment.
The form to use in the SKOS representation is still under discussion.