super.prepareInputDataWithSourcesOfNamedGraphs(defaultGraphs, namedGraphs);
this.dataset = new Dataset(defaultGraphs, namedGraphs,
getMaterializeOntology(), this.type, this.opt, new Dataset.IndicesFactory() {
@Override
public Indices createIndices(final URILiteral uriLiteral) {
return new SevenMemoryIndices(uriLiteral);
}
@Override
public lupos.engine.operators.index.Root createRoot() {
MemoryIndexRoot ic=new MemoryIndexRoot();