Table 9.
Experiments over the first quantile (based on KDE estimations of 25%). Best performing methods are indicated in boldface.
MovieLens | Goodreads | Yahoo! Music | Netflix | ||
---|---|---|---|---|---|
MPR | Cosine | 0.5024 | 0.4995 | 0.5 | 0.5028 |
Jaccard | 0.5024 | 0.4995 | 0.5 | 0.5028 | |
ECP | 0.4974 | 0.5004 | 0.4999 | 0.4968 | |
EIR | 0.3279 | 0.482 | 0.2437 | 0.3395 | |
FC Jaccard | 0.2665 | 0.3162 | 0.2456 | 0.4193 | |
FD Jaccard | 0.2382 | 0.2389 | 0.0564 | 0.307 | |
FC + FD JC | 0.3652 | 0.2751 | 0.1319 | 0.3792 | |
Recall@20 | Cosine | 0.0988 | 0.0966 | 0.0801 | 0.1254 |
Jaccard | 0.0988 | 0.0966 | 0.0801 | 0.1254 | |
ECP | 0.0893 | 0.0956 | 0.0801 | 0.0954 | |
EIR | 0.1212 | 0.0996 | 0.1324 | 0.1033 | |
FC Jaccard | 0.1834 | 0.1084 | 0.1358 | 0.1845 | |
FD Jaccard | 0.1866 | 0.0917 | 0.2334 | 0.1636 | |
FC + FD JC | 0.118 | 0.136 | 0.101 | 0.3034 | |
DCG@20 | Cosine | 0.0518 | 0.0505 | 0.044 | 0.0739 |
Jaccard | 0.0518 | 0.0505 | 0.044 | 0.0733 | |
ECP | 0.0528 | 0.0505 | 0.044 | 0.0772 | |
EIR | 0.0405 | 0.0635 | 0.05 | 0.1198 | |
FC Jaccard | 0.1045 | 0.0517 | 0.0663 | 0.106 | |
FD Jaccard | 0.1085 | 0.0462 | 0.1112 | 0.0971 | |
FC + FD JC | 0.071 | 0.0757 | 0.0559 | 0.1734 |