Keyphrases
- sensitive data
- unauthorized access
- privacy preserving
- data storage
- smart card
- information security
- protection mechanisms
- data confidentiality
- data sharing
- confidential data
- third party
- access control
- sensitive information
- privacy preservation
- data protection
- data privacy
- personal data
- security threats
- malicious users
- database
- security policies
- privacy protection
- data management
- data integration
- data sets
- nearest neighbor
- metadata
- databases