: PS_LinkToReferenceSystem.accuracyOfReferencehttp://def.isotc211.org/iso19116/2004/PositioningServiceModel# Create a prefix for http://def.isotc211.org/iso19116/2004/PositioningServiceModel# Hit Enter to save Double click to create a prefix | : DQ_DataQualityhttp://def.isotc211.org/iso19115/2006/DataQualityInformation# Create a prefix for http://def.isotc211.org/iso19115/2006/DataQualityInformation# Hit Enter to save Double click to create a prefix | graph:default |