Keyphrases
- spatial queries
- preprocessing
- spatial databases
- spatial data
- geographic information systems
- distributed computation
- mobile objects
- r tree
- range queries
- k nearest neighbor
- distributed systems
- scalability issues
- distributed environment
- query processing
- spatial objects
- efficient processing
- database
- feature extraction
- data modeling
- databases
- image representation
- index structure
- road network
- search engine
- neural network