Wireless Communications and Mobile Computing

Research Article

Cloud Platform Credibility Assessment System Based on D-S Theory and Blockchain Technology

Table 10

Cost comparison and comprehensive comparison.
CostComprehensiveness
This paper methodThe cost required includes the following:
(1) Assessment weight of each credibility category given by users
(2) Confidence interval of each credibility category given by users
(3) D-S fusion method is required in the assessment process, and its average time complexity is
(4) In addition, this method also needs to build a blockchain system		The output assessment results include the following:
(1) The change of
(2) Cloud platform credibility level and its trust degree
(3) The change of
Method based on AHPThe cost required includes the following:
(1) Weight judgment matrix of credibility categories
(2) Asymptotic normalization coefficient (ANC) is required in the assessment process, and its average time complexity is 		The output assessment results include the following:
(1) Assessment weight of each credibility category calculated by ANC
Method based on entropyThe required input data include the following:
(1) Risk frequency of each credible category
(2) Risk loss severity of each credible category
(3) Entropy weight method is required in the assessment process, and its average time complexity is 		The output assessment results include the following:
(1) Entropy weight of each credibility categories, namely, the assessment weight
(2) The uncertainty degree of cloud platform risk, namely, cloud platform credibility level
Method based on D-S theoryThe required input data include the following:
(1) The confidence interval and trust degree of each credibility category
(2) D-S fusion method is required in the assessment process, and its average time complexity is 		The output assessment results include the following:
(1) Cloud platform credibility level and its trust degree
Method based on fuzzy theoryThe required input data include the following:
(1) The confidence interval and trust degree of each credibility category
(2) Directly assess the cloud platform credibility level and its trust degree according to Fuzzy Sets. The average time complexity is 		The output assessment results include the following:
(1) Cloud platform credibility level and its trust degree