: c02ef917-7b1e-494f-934b-cff0ae5ff9a4http://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 |