Keyphrases
- access control
- security mechanisms
- identity management
- security requirements
- trust relationships
- fine grained
- data security
- security policies
- dynamic access control
- access control policies
- role based access control
- access control models
- role based access control model
- security model
- security architecture
- security analysis
- rights management
- rbac model
- role assignment
- access control systems
- digital rights management
- access control mechanism
- privacy preserving