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

Table 2

The evaluation results of evaluating the based on the

Cases	Evaluation results
Case 1	Description: given and , if their attribute names are the same and the value of the is within the range defined by the , then the evaluation result of the on the is true; otherwise, the evaluation result is false, and the mathematical expression is as follows:
Case 2	Description: given the set of the attribute value pairs and , if makes true, then the evaluation result (i.e., ) of the on the is true; otherwise, the evaluation result is false, among which , and the mathematical expression is as follows:
Case 3	Description: given and the set of the attribute predicate value pairs , if makes true, then the evaluation result (i.e., ) of the on the is true; otherwise, the evaluation result is false, among which , and the mathematical expression is as follows: