Keyphrases
- access control
- access control systems
- role based access control
- security policies
- workflow systems
- access control policies
- data security
- security requirements
- risk analysis
- risk assessment
- access control models
- security mechanisms
- security model
- security management
- risk management
- information security
- role assignment
- decision making
- trust relationships
- web services
- trust management
- security threats
- security analysis
- loosely coupled
- petri net
- decision makers
- access rights