| Visual art | Science | Humanities | Mixed |
Total link number | 806 | 496 | 336 | 753 |
Link Index | 1.83 | 1.46 | 1.08 | 1.95 |
Forelink Entropy | 31.42 | 32.09 | 29.86 | 36.55 |
Backlink Entropy | 47.03 | 39.81 | 25.98 | 45.06 |