: PositioningServiceModelhttp://def.isotc211.org/iso19116/2004/ Create a prefix for http://def.isotc211.org/iso19116/2004/ Hit Enter to save Double click to create a prefix | owl:imports | : basehttp://def.isotc211.org/iso19150/-2/2012/ Create a prefix for http://def.isotc211.org/iso19150/-2/2012/ Hit Enter to save Double click to create a prefix | graph:default |