Spatial Query Optimization Based on Transformation of Constraints.
Michal LupaAdam PiórkowskiPublished in: ICMMI (2013)
Keyphrases
- query optimization
- cost model
- database systems
- cardinality estimation
- query processing
- multidatabase systems
- cost estimation
- query scheduling
- xml data
- query execution
- query containment
- selectivity estimation
- query optimizer
- query optimizers
- query rewriting
- continuous queries
- data placement
- semantic query optimization
- transformation rules
- spatial objects
- recursive queries
- spatial databases
- storage structures
- spatial data
- query plan
- execution plan
- semantic constraints
- management system
- approximate query answering