}
private void check(int [][] expectedDocumentIndices)
{
buildLingoModel();
final TfTermWeighting termWeighting = new TfTermWeighting();
clusterBuilder.buildLabels(lingoContext, termWeighting);
clusterBuilder.assignDocuments(lingoContext);
clusterBuilder.merge(lingoContext);
for (int i = 0; i < expectedDocumentIndices.length; i++)