Keyphrases
- external memory
- join algorithms
- main memory
- data structure
- quadtree
- database management systems
- index structure
- efficient processing
- join operations
- b tree
- rank join
- xml queries
- tree structure
- memory space
- spatial join
- memory efficient
- memory size
- internal memory
- image representation
- cost model
- data management
- query processing
- computational complexity
- twig queries
- image sequences