Keyphrases
- location dependent queries
- location dependent
- location based services
- differential privacy
- differentially private
- mobile users
- location information
- mobile environments
- privacy preservation
- mobile computing
- mobile devices
- mobile objects
- location aware
- privacy preserving
- queries involving
- spatial data
- continuous queries
- mobile phone
- data retrieval
- query processing
- context aware
- mobile applications
- road network
- search logs
- uncertain data
- efficient processing
- query language
- query optimization
- mobile agents
- sensitive information
- web search engines