The property :cpcConcordant relates a node in the international patent classification (ipc) scheme to a close match in the cooperative patent classification (cpc) scheme.
The property :ipcConcordant relates a node in the cooperative classification (cpc) scheme to a close match in the international patent classification (ipc) scheme.
The property :symbol is a general purpose property that relates a resource to the symbol for a node in the cooperative patent classification (cpc) scheme.
The property :titleXML relates a node in the cooperative patent classification scheme with an xml representation of its title. The range of this property is a string so that XML does not have to be in a particular normal form.