: refPeriodhttp://purl.org/linked-data/sdmx/2009/dimension# Create a prefix for http://purl.org/linked-data/sdmx/2009/dimension# Hit Enter to save Double click to create a prefix | xsd:timeInterval | : 2017-10-31T17:55http://iisg.amsterdam/hiscam_de/provenance/9f023f24/ Create a prefix for http://iisg.amsterdam/hiscam_de/provenance/9f023f24/ Hit Enter to save Double click to create a prefix |