Keyphrases
- access control
- fine grained
- data security
- dynamic access control
- security policies
- distributed systems
- directory service
- security model
- access control policies
- security requirements
- identity management
- distributed environment
- rights management
- security mechanisms
- security architecture
- access control systems
- multiple types
- role based access control
- computer networks
- digital rights management
- rbac model
- peer to peer
- usage control
- role based access control model
- multi agent