Keyphrases
- spatial objects
- spatial databases
- spatial data
- topological relationships
- spatial clustering
- spatial database systems
- spatial features
- spatial queries
- r tree
- spatial relations
- indexing techniques
- quadtree
- spatial relationships
- topological relations
- spatial distance
- clustering method
- databases
- database
- data quality
- visual words
- high dimensional
- video sequences
- data structure
- data sets