Keyphrases
- access control
- security mechanisms
- fine grained
- dynamic access control
- role based access control
- data security
- security policies
- identity management
- access control policies
- security requirements
- access control systems
- database security
- security model
- security architecture
- rbac model
- access control models
- data model
- trust relationships
- access control mechanism
- role based access control model
- authentication and access control