:
http://def.isotc211.org/iso19107/2003/CoordinateGeometry#
Create a prefix for http://def.isotc211.org/iso19107/2003/CoordinateGeometry#
Hit Enter to save
Double click to create a prefix
GM_Arc
http://def.isotc211.org/iso19107/2003/CoordinateGeometry#GM_Arc
skos:definition
http://www.w3.org/2004/02/skos/core#definition
A GM_Arc is defined by 3 point ...... y for the mathematics to work.
graph:default
https://triplydb.com/iso/19107/graphs/default