Keyphrases
- k nearest neighbor
- privacy protection
- knn
- distributed storage
- location privacy
- spatial queries
- location based services
- nearest neighbor
- distributed computation
- range queries
- query processing
- database
- private information
- privacy preserving
- information loss
- road network
- data sharing
- support vector machine
- neural network
- sensitive information
- data collection
- location information
- user interaction
- feature selection
- mobile devices
- similarity search
- statistical databases
- data sources
- text classification
- cloud computing
- feature space
- data structure
- spatial data
- databases
- peer to peer
- data management
- mobile users
- spatial databases
- feature extraction
- database systems