: PF_ConditionalFeaturePortrayalFunctionhttp://def.isotc211.org/iso19117/2012/ConditionalFunctionExtension# Create a prefix for http://def.isotc211.org/iso19117/2012/ConditionalFunctionExtension# Hit Enter to save Double click to create a prefix | rdfs:isDefinedBy | http://standards.iso.org/iso/19117/ed-2/en/ |