Table 11.

Scalability comparison of each method.

Method	Content that needs to be recalculated
Information entropy	①The entropy values of new indicators ②The entropy values of different classes ③The service uncertainty
AHP	①The weight judgment matrix of each indicator ②The weight judgment matrix of each class ③The consistency of the assessment results
Risk matrix	①The occurrence frequency level and loss severity level of new indicators ②The occurrence frequency level and loss severity level of each class
D-S evidence theory	①The occurrence frequency level and loss severity level of new indicators ②Refuse the assessment results of multiple experts
The method of this paper	①The occurrence frequency level and loss severity level of new indicators ②The membership of the new indicators ③The fuzzy entropy and trusted state matrix