Table 5 Average friends’ placement for the best version of all methods
From: Improved user similarity computation for finding friends in your location
Similarity computation method | Placement | ||
|---|---|---|---|
w1 = 0.25 | w1 = 0.5 | w1 = 0.75 | |
EgoSimilar+ | 82.41 | 92.36 | 100.80 |
Pearson | 99.85 | 102.44 | 108.71 |
Cosine | 110.56 | 110.91 | 111.32 |
Jaccard index | 93.26 | 99.23 | 109.02 |
π coefficient | 92.43 | 99.59 | 107.38 |
κ coefficient | 90.05 | 98.40 | 105.57 |