RepositoryConnection rc = repository.getConnection();
try {
rc.begin();
rc.remove((Resource) null, null, null, TwitLogic.CORE_GRAPH);
rc.clearNamespaces();
String baseURI = "http://example.org/baseURI/";
rc.add(TwitLogic.class.getResourceAsStream("namespaces.ttl"),
baseURI, RDFFormat.TURTLE, TwitLogic.CORE_GRAPH);
rc.add(TwitLogic.class.getResourceAsStream("twitlogic-void.ttl"),