while (trustedSources.size() > previousTrustedSourceSize) {
previousTrustedSourceSize = trustedSources.size();
Model currentModel = ModelFactory.createModelForGraph(store.getGraphOverTime(trustedSources).getGraph(new Date()));
StmtIterator seeAlsoStmt = currentModel.listStatements(null, RDFS.seeAlso, (Resource)null);
while(seeAlsoStmt.hasNext()) {
Statement stmt = seeAlsoStmt.nextStatement();
RDFNode object = stmt.getObject();
try {
Source seeAlsoSource = new SourceImpl(((Resource)object).getURI());
if (trustedSources.contains(seeAlsoSource)) {
continue;