GraphNode node = new GraphNode(new BNode(), new UnionMGraph(new SimpleMGraph(),
cgProvider.getContentGraph(),
remoteConceptsDescriptionManager.getRemoteConceptsDescriptionMGraph()));
node.addProperty(RDF.type, PLATFORM.HeadedPage);
node.addProperty(RDF.type, CONCEPTS.GenericResourcePage);
if (uri != null) {
node.addProperty(CONCEPTS.resource, uri);
} else {
throw new WebApplicationException(Response.status(Status.BAD_REQUEST)
.entity("No resource uri defined.").build());