Research Article
A Cloud Service Trust Evaluation Model Based on Combining Weights and Gray Correlation Analysis
Algorithm 1
The pseudocode of trust evaluation process.
| Input: Requester , Provider CS | | Output: CST (,CS,Time). | | D=Find(,CS,Time); | | Public Void CSTrust_Eval( ) | | D=Find(,CS,Time); | | C=Count(CSr,CSp,Time); // History interaction records are inquired by cloud trust | | management center | | If C≥1; | | Calculate;/ | | Calculate | | Calculate ; | | else | | DT= // is a trust value that is published by cloud service | | Then | | Calculate | | | | Then | | Calculate the comprehensive trust in | | //=0.7, =0.15, =0.15 | | If Send service request to CS, then user feedback trust | | else | | Return request failed |
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