Table 8.
Experiments with combination of collaborative filtering for the first quantile (based on KDE estimation of 25%) of the MovieLens data. Best performing methods are indicated in boldface.
| MPR | Recall@20 | DCG@20 | |
|---|---|---|---|
| Cosine | 0.4978 | 0.0988 | 0.0553 |
| Jaccard | 0.4978 | 0.0988 | 0.0547 |
| ECP | 0.4976 | 0.0940 | 0.0601 |
| EIR | 0.3203 | 0.1291 | 0.0344 |
| FC Cosine | 0.3583 | 0.1020 | 0.0505 |
| FD Cosine | 0.2849 | 0.1578 | 0.0860 |
| FC Jaccard | 0.3354 | 0.1770 | 0.1031 |
| FD Jaccard | 0.2415 | 0.1866 | 0.1010 |
| FC ECP | 0.2504 | 0.0940 | 0.0444 |
| FD ECP | 0.4212 | 0.1626 | 0.0856 |
| FC EIR | 0.4125 | 0.0861 | 0.0434 |
| FD EIR | 0.4529 | 0.1068 | 0.0560 |