Keyphrases
- multidatabase systems
- query optimization
- transaction management
- execution plan
- database systems
- concurrency control
- query plan
- multidatabase environment
- semantic heterogeneity
- database integration
- multiple autonomous
- cost model
- cost estimation
- schema integration
- query processing
- data analysis
- correctness criterion
- database management systems
- distributed database systems
- multi agent
- data mining
- databases