: 2018-11-08T11:26https://iisg.amsterdam/GDP_Capita-historical/provenance/fd2ce578/ Create a prefix for https://iisg.amsterdam/GDP_Capita-historical/provenance/fd2ce578/ Hit Enter to save Double click to create a prefix | : Provenancehttp://www.nanopub.org/nschema# Create a prefix for http://www.nanopub.org/nschema# Hit Enter to save Double click to create a prefix |