createSourceWorkflow.add(createDataSource);
createSourceWorkflow.add(deliverToRequestStatus);
drer.execute(createSourceWorkflow, RequestExecutionType.SYNCHRONOUS);
ResourceID dataSourceID = createDataSource.nextResult();
DataSourceResource dataSource = serverProxy
.getDataSourceResource(dataSourceID);
// String SPARQLquery = "PREFIX p: <http://dbpedia.org/property/> " +