: GM_Shellhttp://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 | A GM_Shell is used to represen ...... M_Shell:{isSimple() .eq. TRUE} | graph:default |