for (int i = 0; i < rawModels.size(); i++) {
                for (int j = i + 1; j < rawModels.size(); j++) {
                    KeyModelEntry model1 = rawModels.get(i);
                    KeyModelEntry model2 = rawModels.get(j);
                    double similarity = similarityAnalyzer.rawModelSimilarity(model1, model2);