Table 1.
Network public opinion risk indexes.
Table 2.
Earthquake network public opinion risk rating standard.
Table 3.
Earthquake network public opinion risk rating standard.
Fig 1.
BP neural network model.
Table 4.
Data of 6 earthquakes occurred in the country.
Table 5.
Comparison earthquake net-mediated public sentiment risk assessment random date with AGA-BP results.
Fig 2.
Training accuracy comparison.
Table 6.
The stable weight values and threshold of the AGA-BP model after training1000 times.
Fig 3.
Evaluation curve of AGA-BP and BP.
Table 7.
Evaluation results of three methods.