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Table 3 Average matching difference between connected and not-connected users

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