: GM_Surfacehttp://def.isotc211.org/iso19107/2003/GeometricPrimitive# Create a prefix for http://def.isotc211.org/iso19107/2003/GeometricPrimitive# Hit Enter to save Double click to create a prefix | skos:definition | GM_Surface (Figure 12) a subcl ...... on is required for GM_Surface. | graph:default |