CascadeClique c = (CascadeClique) cliques.get(i);
if (firstTime) {
termToCliqueNumber.put(c.getConcept().trim().toLowerCase(), i);
cf.put(c.getConcept().trim().toLowerCase(), c.termCollectionCF());
df.put(c.getConcept().trim().toLowerCase(), c.termCollectionDF());
}
if (score + docMaxScore <= scoreThreshold) {
// Advance postings readers (but don't score).
for (int j = i; j < cliques.size(); j++) {