Keyphrases
- access control
- identity management
- access control mechanism
- policy enforcement
- fine grained
- trust relationships
- dynamic access control
- data security
- security policies
- security mechanisms
- ubiquitous computing environments
- security architecture
- role based access control
- web services
- security model
- directory service
- service providers
- rbac model
- access control models
- service oriented
- context aware
- access control policies
- role based access control model
- user centric
- cloud computing
- end users