: virtualhttp://www.w3.org/ns/csvw# Create a prefix for http://www.w3.org/ns/csvw# Hit Enter to save Double click to create a prefix | : 2019-07-11T08:38https://iisg.amsterdam/hiscam_u1/provenance/69206086/ Create a prefix for https://iisg.amsterdam/hiscam_u1/provenance/69206086/ Hit Enter to save Double click to create a prefix |