: attributehttp://purl.org/linked-data/cube# Create a prefix for http://purl.org/linked-data/cube# Hit Enter to save Double click to create a prefix | : contactOrganizationhttp://purl.org/linked-data/sdmx/2009/attribute# Create a prefix for http://purl.org/linked-data/sdmx/2009/attribute# Hit Enter to save Double click to create a prefix | : vocabhttps://data.labs.kadaster.nl/rivm/covid-19/graphs/ Create a prefix for https://data.labs.kadaster.nl/rivm/covid-19/graphs/ Hit Enter to save Double click to create a prefix |