Fedora Commons OAI-PMH Ontology Describes relationships between Fedora Commons Repository objects used to provide an OAI-PMH service. v4/2015/03/26 Links a Fedora object to an OAI set. Adds new OAI Set definitions to a specialized parent object linking to all existing OAI Sets. Links to an oai_dc record emitted for the linked subject. The name of an OAI Set. The SetSpec of an OAI Set. See http://www.openarchives.org/OAI/openarchivesprotocol.html#Set