Research Article
RTBAC: A Risk-Aware Topic-Based Access Control Model for Text Data with Paragraph-Level Authorization
Table 1
Comparison with different access control models.
| Model | Dynamic | Risk-aware | Data content | Fine-grained authorization |
| ABAC | √ | × | × | Up to file | CBAC [5] | × | × | √ | File | RCBAC [25] | √ | √ | √ | File | RTBAC | √ | √ | √ | Paragraph |
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