Keyphrases
- privacy concerns
- privacy preserving
- personal information
- trust model
- social awareness
- security services
- policy enforcement
- trust relationships
- privacy policies
- access control
- social network sites
- privacy protection
- trust evaluation
- differential privacy
- health information
- private information
- privacy enhancing
- privacy aware
- security issues
- private data
- data security
- privacy preservation
- personal data
- sensitive information
- data privacy
- legal issues
- statistical databases
- privacy issues
- privacy requirements
- security concerns
- preserving privacy
- ethical issues
- public key infrastructure
- electronic payment
- information sharing
- electronic transactions
- location privacy
- third party