: TimeSpanhttp://www.europeana.eu/schemas/edm/ Create a prefix for http://www.europeana.eu/schemas/edm/ Hit Enter to save Double click to create a prefix | owl:Class http://www.w3.org/2002/07/owl#Class | : def/http://archief.nl/ Create a prefix for http://archief.nl/ Hit Enter to save Double click to create a prefix |