@Override
public List<SimilarUser> getUserNeighborhood(final long userID) {
final DataModel dataModel = getDataModel();
final UserSimilarity userSimilarityImpl = getUserSimilarity();
final TopItems.Estimator<Long> estimator =
new Estimator(userSimilarityImpl, userID, minSimilarity);
final LongPrimitiveIterator userIDs =
SamplingLongPrimitiveIterator.maybeWrapIterator(dataModel.getUserIDs(), getSamplingRate());
return TopItems.getTopUsers(n, userIDs, null, estimator);
}
