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