}
resultIntervals.add(this.intervals.last());
resultIntervals.add(other.intervals.last());
ModifiableDBIDs resultIDs = DBIDUtil.newHashSet(this.ids);
resultIDs.retainAll(other.ids);
if(resultIDs.size() / all >= tau) {
return new CLIQUEUnit<V>(resultIntervals, resultIDs);
}