: b46dee3e-9dc3-4c7e-94a0-1f438d81319dhttps://data.tue.nl/building-topology/ Create a prefix for https://data.tue.nl/building-topology/ Hit Enter to save Double click to create a prefix | : reservationhttps://data.tue.nl/otl/ Create a prefix for https://data.tue.nl/otl/ Hit Enter to save Double click to create a prefix | graph:Reservations |