Keyphrases
- access control
- identity management
- access control mechanism
- fine grained
- dynamic access control
- security policies
- data security
- location information
- trust relationships
- ubiquitous computing environments
- directory service
- web services
- ubiquitous computing
- security architecture
- access control policies
- service providers
- role based access control
- rbac model
- access control models
- management system
- security model
- context aware
- cloud computing
- service platform
- service oriented
- security mechanisms
- role assignment
- database security
- role based access control model
- data centric
- security requirements
- user centric
- service oriented architecture
- domain specific