: valuehttp://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 | {openingYear} @en | : 2018-11-22T15:06https://iisg.amsterdam/AmsterdamCinemas1907-1928ShortenedOverview/provenance/06c400b3/ Create a prefix for https://iisg.amsterdam/AmsterdamCinemas1907-1928ShortenedOverview/provenance/06c400b3/ Hit Enter to save Double click to create a prefix |