Research Article
Authorization Recycling in Attribute-Based Access Control
Table 1
Comparison of different approaches.
| | Scheme | Policy expression | Granularity | Authorization recycling | Application scenario |
| | Reference [5] | Flexibility | Fine grained | No | Specific application | | Reference [9] | Flexibility | Fine grained | No | General purpose | | Reference [15] | — | — | Yes | General purpose | | Ours | Flexibility | Fine grained | Yes | General purpose |
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