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The Spearman ranking coefficient 
of each centralities
.
| Datasets |  |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|
| DBLP | 0.62 | 0.60 | 0.61 | 0.59 | 0.48 | -0.29 |
| Amazon | 0.28 | 0.27 | 0.17 | 0.15 | 0.23 | 0.007 |
| Youtube | 0.26 | 0.24 | 0.23 | 0.21 | 0.20 | 0.22 |
Subscript of 
stands for different centralities. D: Degree. Other subscripts are the same as defined in Table 4.
