: 0ad7db13-19b3-4ab6-901c-173e52f31609http://gch.utwente.nl/data/course/ Create a prefix for http://gch.utwente.nl/data/course/ Hit Enter to save Double click to create a prefix | gch:arcgis-cityengine | : mgeo_programme_and_courceshttps://data.pldn.nl/GeoCourseHub/GCH/graphs/ Create a prefix for https://data.pldn.nl/GeoCourseHub/GCH/graphs/ Hit Enter to save Double click to create a prefix |