Keyphrases
- spatial databases
- road network
- spatial data
- spatial objects
- spatial database systems
- range queries
- r tree
- spatial queries
- geographical information systems
- semi algebraic
- data quality
- approximate query processing
- topological relationships
- multi dimensional
- data sets
- geographic information systems
- algorithms and data structures
- real world
- databases
- spatial join
- spatial data mining
- object relational
- database
- file organization
- three dimensional
- database systems
- feature extraction
- data analysis