Keyphrases
- web services
- rbac model
- security requirements
- access control
- multi domain
- security flaws
- fine grained
- data security
- web applications
- security issues
- web service composition
- service oriented
- service providers
- composition of web services
- automatic discovery
- service composition
- data intensive
- heterogeneous platforms
- access control models
- conflict resolution
- service selection
- security policies
- authentication scheme
- web services composition
- service platform
- access control mechanism
- web technologies
- high level
- security management
- description language
- security mechanisms
- business processes