Keyphrases
- access control
- high level
- fine grained
- dynamic access control
- data security
- security policies
- role based access control
- access control models
- role based access control model
- access control policies
- identity management
- database security
- role assignment
- data protection
- security model
- security mechanisms
- rbac model
- access control systems
- unauthorized access
- digital rights management
- usage control
- database applications
- discretionary access control