Keyphrases
- location based services
- nearest neighbor queries
- trip planning
- moving object databases
- reverse nearest neighbor
- location dependent queries
- mobile devices
- road network
- spatial data
- location information
- mobile users
- location aware
- query point
- location privacy
- nearest neighbor
- uncertain data
- spatial queries
- mobile environments
- mobile applications
- range queries
- efficient processing
- google maps
- response time
- geographic regions
- query processing
- multi type
- database
- databases
- spatial databases
- queries involving
- statistical databases
- mobile agents
- machine learning
- context aware
- mobile phone