: ~tzouvaras/http://www.image.ntua.gr/ Create a prefix for http://www.image.ntua.gr/ Hit Enter to save Double click to create a prefix | foaf:Person | : defaulthttps://triplydb.com/europeana/edm/graphs/ Create a prefix for https://triplydb.com/europeana/edm/graphs/ Hit Enter to save Double click to create a prefix |