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A Trusted 3.0 Network Security Risk Assessment and Decision Support System Based on Discrete Rough Sets

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17 mar 2025

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Figure 1.

Overall system structure
Overall system structure

Figure 2.

Network security evaluation model
Network security evaluation model

Figure 3.

The prediction accuracy of several discrete algorithms is compared
The prediction accuracy of several discrete algorithms is compared

Data set information description

Data set Number of continuous properties Class number Instance number
Iris 6 3 132
Breast 11 3 631
Wine 9 4 241
Sonar 68 5 213

The simplest decision information table

Rule Condition Decision D
a b c d e f g h i
1 1 2 3 - 2 - 3 1 - 1
2 1 - 2 - - 3 - - 1 1
3 - 3 2 - - 1 - 2 3 3
4 - - - 2 3 - - 1 3 2
5 3 - 2 - 1 - - 2 1 2
6 3 - 1 - - 2 2 - 2 3
7 - 3 - - - 1 - 3 2 3
8 2 - 1 - - 2 3 1 2 2
9 1 - - 3 - - - 3 - 1
10 3 2 - 1 - 2 3 3 - 3

Rough set evaluation results

Sample number Actual output Expected output Relative error/% Threat level
91 0.887 0.865 2.54 Height
92 0.843 0.828 1.81 Medium
93 0.869 0.859 1.16 Height
94 0.826 0.817 1.1 Height
95 0.524 0.531 1.32 Low
96 0.324 0.325 0.31 Height
97 0.334 0.339 1.47 Height
98 0.861 0.875 1.6 Medium
99 0.212 0.207 2.42 Low
100 0.403 0.409 1.47 Low

BP neural network evaluation results

Sample number Actual output Expected output Relative error/% Threat level
91 0.875 0.865 1.16 Height
92 0.837 0.828 1.09 Medium
93 0.885 0.859 3.03 Height
94 0.862 0.817 5.51 Height
95 0.551 0.531 3.77 Low
96 0.375 0.325 15.38 Height
97 0.343 0.339 1.18 Height
98 0.837 0.875 4.34 Medium
99 0.201 0.207 2.9 Low
100 0.365 0.409 10.76 Low
Język:
Angielski
Częstotliwość wydawania:
1 razy w roku
Dziedziny czasopisma:
Nauki biologiczne, Nauki biologiczne, inne, Matematyka, Matematyka stosowana, Matematyka ogólna, Fizyka, Fizyka, inne