@prefix rdf: . @prefix ns1: . @prefix schema: . ns1:request-trial rdf:type schema:CreativeWork . @prefix owl: . @prefix ns4: . ns1:request-trial owl:sameAs ns4:this . @prefix ns5: . ns1:request-trial schema:mainEntity ns5:request-trial . @prefix void: . ns1:request-trial void:sparqlEndpoint ; schema:url ns1:request-trial .