Table 6 The LPbyCD parameter optimization via internal cross-validation on generic data sets
Data set | CD method/measure | Internal validation | External validation | ||||||
|---|---|---|---|---|---|---|---|---|---|
AUC | \(\sigma\) | AUPR | \(\sigma\) | AUC | \(\sigma\) | AUPR | \(\sigma\) | ||
MovieLens | Spectral part./JC\(_{CC}\) | 0.82 | 0.00 | 0.22 | 0.02 | 0.82 | 0.01 | 0.26 | 0.02 |
Spectral part./JC\(_{NC}\) | 0.88 | 0.00 | 0.30 | 0.01 | 0.89 | 0.00 | 0.37 | 0.01 | |
Louvain/JC\(_{CC}\) | 0.79 | 0.01 | 0.18 | 0.00 | 0.77 | 0.01 | 0.22 | 0.01 | |
Louvain/JC\(_{NC}\) | 0.88 | 0.00 | 0.26 | 0.00 | 0.88 | 0.00 | 0.34 | 0.01 | |
Unicodelang | Spectral part./JC\(_{CC}\) | 0.69 | 0.01 | 0.04 | 0.01 | 0.68 | 0.03 | 0.02 | 0.01 |
Spectral part./JC\(_{NC}\) | 0.78 | 0.01 | 0.14 | 0.01 | 0.78 | 0.01 | 0.17 | 0.05 | |
Louvain/JC\(_{CC}\) | 0.73 | 0.00 | 0.09 | 0.01 | 0.72 | 0.02 | 0.10 | 0.03 | |
Louvain/JC\(_{NC}\) | 0.80 | 0.01 | 0.13 | 0.01 | 0.81 | 0.02 | 0.16 | 0.05 | |