xlink:arcrole is a property of the rddl:resource Class
xlink:type defaults to 'simple' is a property of the rddl:resource Class
RDF Schema for RDDL: 2001-01-29
xlink:href is a property of the rddl:resource Class
xlink:role is a property of the rddl:resource Class
xlink:title is a property of the rddl:resource Class
xml:base is a property of the rddl:resource Class
xml:lang is a property of the rddl:resource Class