Proactive and reactive multi-dimensional histogram maintenance for selectivity estimation.
Zhen HeByung Suk LeeXiaoyang Sean WangPublished in: J. Syst. Softw. (2008)
Keyphrases
- aggregate queries
- selectivity estimation
- multi dimensional
- data cube
- range queries
- query processing
- approximate query answering
- query optimization
- xml queries
- r tree
- index structure
- efficient processing
- spatial databases
- spatial join
- cost model
- dimensional data
- database systems
- query execution
- high dimensional
- spatial objects
- data sets
- databases