A knowledge infrastructure for intelligent query answering in location-based services.
Shijun YuStefano SpaccapietraPublished in: GeoInformatica (2010)
Keyphrases
- query answering
- location based services
- data exchange
- mobile devices
- conjunctive queries
- answering queries
- data complexity
- data integration
- incomplete information
- location information
- knowledge management
- integrity constraints
- road network
- mobile users
- knowledge base
- uncertain data
- expert systems
- datalog programs
- database
- decision support
- knowledge representation
- location privacy