: datatypehttp://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 | xsd:anyURI | : 2022-01-27T08:57https://data.universiteitsbibl ...... penrefine/provenance/7c01252e/ Create a prefix for https://data.universiteitsbibliotheekutrecht/someren/someren-csv-jan2022-clean-openrefine/provenance/7c01252e/ Hit Enter to save Double click to create a prefix |