historyEvent:032e4d9e-6580-49f0-a8e6-400bb3a7cf4e | : customClassUrihttp://schema.semantic-web.at/ppt/history# Create a prefix for http://schema.semantic-web.at/ppt/history# Hit Enter to save Double click to create a prefix | : Graphhttp://www.bbc.co.uk/ontologies/provenance/ Create a prefix for http://www.bbc.co.uk/ontologies/provenance/ Hit Enter to save Double click to create a prefix |