: e5909a11-a5e1-43ef-a6d9-a8657db9300dhttp://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 | : 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 |