Fuzzy Statistics Estimation in Supporting Multidatabase Query Optimization.
Chih-Ping WeiOlivia R. Liu ShengPaul Jen-Hwa HuPublished in: Electron. Commer. Res. (2002)
Keyphrases
- query optimization
- multidatabase systems
- database systems
- cost model
- query processing
- cardinality estimation
- xml data
- data placement
- query execution
- cost estimation
- query scheduling
- query optimizer
- semantic query optimization
- approximate query answering
- query optimizers
- continuous queries
- query execution plan
- efficient execution
- data mining
- selectivity estimation
- database
- join queries
- efficient processing
- decision support
- data model
- relational databases
- multidatabase environment