Keyphrases
- access control
- fine grained
- data security
- dynamic access control
- security policies
- access control models
- access control policies
- database security
- role based access control
- security architecture
- security mechanisms
- rbac model
- unauthorized access
- access control mechanism
- identity management
- security model
- workflow systems
- access control systems
- usage control
- role based access control model
- distributed environment
- information systems