: b1990012573830205131https://pid.uba.uva.nl/ark:/88238/ Create a prefix for https://pid.uba.uva.nl/ark:/88238/ Hit Enter to save Double click to create a prefix | : hasBeginTimeStamphttp://semanticweb.cs.vu.nl/2009/11/sem/ Create a prefix for http://semanticweb.cs.vu.nl/2009/11/sem/ Hit Enter to save Double click to create a prefix |