public void removeLanguageTag() {
langTag = null;
}
@Override
public Set<Triple> serialize() {
<BUG>Set<Triple> stmtSet = new HashSet<Triple>();
stmtSet.addAll(super.serialize());</BUG>
stmtSet.add(getRDF().createTriple(getNode(),
getRDF().createIRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),
getRDF().createIRI(R2RMLVocabulary.TYPE_OBJECT_MAP)));

public void removeLanguageTag() {
langTag = null;
}
@Override
public Set<Triple> serialize() {
Set<Triple> stmtSet = new HashSet<>();
stmtSet.addAll(super.serialize());
stmtSet.add(getRDF().createTriple(getNode(),
getRDF().createIRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),
getRDF().createIRI(R2RMLVocabulary.TYPE_OBJECT_MAP)));
