if (subj instanceof BlankNode) {
match = true;
URI newSubj = nodeMap.get(subj);
if (newSubj == null) {
newSubj = URIGenerator.createNewRandomUniqueURI();
nodeMap.put(subj.asBlankNode(), newSubj);
}
subj = newSubj;
}
if (obj instanceof BlankNode) {
match = true;