: _relation_id_https://iisg.amsterdam/hisco/code/relation/ Create a prefix for https://iisg.amsterdam/hisco/code/relation/ Hit Enter to save Double click to create a prefix | https://iisg.amsterdam/hisco/code/relation/{relation_id} | : 2020-06-07T08:19https://iisg.amsterdam/relation/provenance/2146cd41/ Create a prefix for https://iisg.amsterdam/relation/provenance/2146cd41/ Hit Enter to save Double click to create a prefix |