From: Improved user similarity computation for finding friends in your location
Similarity computation method | Difference | ||
---|---|---|---|
w1 = 0.25 (%) | w1 = 0.5 (%) | w1 = 0.75 (%) | |
EgoSimilar | 5.03 | 4.98 | 4.92 |
Pearson | 3.45 | 3.72 | 4.01 |
Cosine | 3.69 | 2.98 | 2.28 |
Jaccard index | 1.96 | 2.19 | 2.36 |
π coefficient | 1.69 | 1.93 | 2.03 |
κ coefficient | 1.97 | 2.24 | 2.45 |