Qualified Dublin Core provides a rich set of elements and schemes which can be represented within the framework of the DESIRE registry.
Only three DC elements are shown.
Schemes are also associated with a registration authority although this is not shown. DCAgent would be associated with the DC registration authority and ISO8601 would be associated with an (externally managed) ISO registration authority.
The registry permits refined elements to be further refined.
The registry permits schemes to be associated with sub elements (that is, elements that refine another element.