: trainshttps://www.examplecompany.eu/data/ Create a prefix for https://www.examplecompany.eu/data/ Hit Enter to save Double click to create a prefix | : ontology.ttlhttps://data-interop.era.europa.eu/era-vocabulary/ Create a prefix for https://data-interop.era.europa.eu/era-vocabulary/ Hit Enter to save Double click to create a prefix | : defaulthttps://triplydb.com/CBouter/Trains/graphs/ Create a prefix for https://triplydb.com/CBouter/Trains/graphs/ Hit Enter to save Double click to create a prefix |