Keyphrases
- access control
- fine grained
- dynamic access control
- data security
- security policies
- policy enforcement
- web services
- identity management
- security requirements
- information management
- security mechanisms
- access control policies
- access control models
- role based access control
- access control mechanism
- database security
- role assignment
- security management
- security model
- digital rights management
- information systems
- rbac model
- database
- distributed databases