Rough sets and its application in evaluating security problems of E-government affairs

The security of a e-government affairs is very important for the e-government affairs. The uncertainty plays very important role in making the e-government affairs run normally. Using rough set (RS), the uncertain information is mined and much more information about the e-government affairs is understood in detail. Therefore, it is a good tool to treat the uncertain information. In the process of evaluating the security e-government affairs parameters, the upper and lower approximations are used and the safe parameters are judged. RS is applied to acquire more detailed e-government affairs information while compared with the traditional K-W method,. The example shows that the classification is judged with different parameters. The larger the value of H_Ai is, the greater the classification ability of A_i will be.