Keyphrases
- access control
- fine grained
- security policies
- ubiquitous computing environments
- dynamic access control
- data security
- access control policies
- security model
- identity management
- security mechanisms
- ubiquitous computing
- context aware
- security requirements
- access control models
- role based access control
- security architecture
- role based access control model
- database security
- access control systems
- role assignment
- context awareness
- access control mechanism
- digital rights management