: clinicaltrials_resource:00028aee881f73beaa52e1825d0d27fdhttp://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 |