These are the RDA (Resource Description and Access) RDF vocabularies maintained by the RDA Steering Committee at the Open Metadata Registry.
Further information about this project can be found in the RDA Registry and the project wiki - just a stub at the moment.
If you have an issue, please visit the project issues and post it there.
You may also download a complete ZIP or TARBALL of the entire repository at any time.
Have fun!
Jon Phipps
Diane Hillmann
Gordon Dunsire