: IM_ObjectReference.uri_refhttp://def.isotc211.org/iso19118/2005/InstanceModel# Create a prefix for http://def.isotc211.org/iso19118/2005/InstanceModel# Hit Enter to save Double click to create a prefix | rdfs:isDefinedBy | http://standards.iso.org/iso/19118/ed-1/en/ | graph:default |