: Den_Haaghttp://archief.nl/NL-HaNA/id/gemeente/ Create a prefix for http://archief.nl/NL-HaNA/id/gemeente/ Hit Enter to save Double click to create a prefix | : Municipalityhttp://rdf.histograph.io/ Create a prefix for http://rdf.histograph.io/ Hit Enter to save Double click to create a prefix | : def/http://archief.nl/ Create a prefix for http://archief.nl/ Hit Enter to save Double click to create a prefix |