Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

KS test results of total publication between simulated networks and actual network
| Type of simulated network model | D | P | H0 |
|---|---|---|---|
| IKM model | 0.016 | 0.142 | acceptance |
| BA model | 0.348 | 2.972×10-309 | rejection |
| DMS model | 0.021 | 0.013 | rejection |