Keyphrases
- access control
- domain specific
- dynamic access control
- fine grained
- security policies
- data security
- domain ontology
- security mechanisms
- role based access control
- access control models
- role based access control model
- role assignment
- access control mechanism
- directory service
- security architecture
- semantic web
- unauthorized access
- rbac model
- database
- access control systems
- data protection
- database security
- access control policies