Keyphrases
- location based services
- location privacy
- privacy aware
- trip planning
- nearest neighbor queries
- query point
- mobile devices
- location information
- location aware
- database
- road network
- user privacy
- privacy preserving
- spatial data
- query processing
- mobile environments
- mobile users
- uncertain data
- response time
- mobile applications
- databases
- rfid systems
- geographic regions
- data structure
- privacy protection
- spatial queries
- range queries
- privacy preservation
- information retrieval
- nearest neighbor
- reverse nearest neighbor
- data model
- mobile phone
- similarity search
- efficient processing
- statistical databases
- sensitive information
- personal information