Tenant-Centric Attribute Semantic Access Control Policy Model for the Cloud Service Platform

Table 3

The evaluation results of evaluating the policy based on the .

Cases	Evaluation results
Case 1: single policy	Description: given and , if is true, then the evaluation result (i.e., ) of the on is true, namely, applies to . Otherwise, the evaluation result is false, namely, does not applies to ; the mathematical expression is as follows:
Case 2: policy set	Description: given and , if makes is true, then the evaluation result (i.e., ) of on is true, namely in applies to . Otherwise, the evaluation result is false, namely, in does not applies to ; the mathematical expression is as follows: