: clinicaltrials_resource:0001f998256386fe1435a203f939a63ehttp://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix | : clinicaltrials_vocabulary:Eventhttp://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix |