Handling High-Level Queries in Location-Based Services for User Groups.
Panayotis PartsinevelosNectaria TryfonaPublished in: GeoInformatica (2006)
Keyphrases
- location based services
- geographic regions
- user groups
- nearest neighbor queries
- trip planning
- mobile devices
- moving object databases
- location information
- location dependent queries
- location aware
- road network
- spatial data
- query point
- mobile users
- location privacy
- reverse nearest neighbor
- query processing
- data sets
- database
- mobile applications
- uncertain data
- land cover
- efficient processing
- search tasks
- context aware
- mobile environments
- mobile phone
- databases
- range queries