Keyphrases
- query optimizer
- query optimization
- database systems
- cost model
- database management systems
- object oriented databases
- query processing
- query evaluation
- optimization process
- query optimizers
- query execution
- execution plan
- materialized views
- xml query evaluation
- data model
- path expressions
- query plan
- join algorithms
- join operations
- management system
- database
- distributed databases
- object oriented
- databases
- access methods
- database technology
- continuous queries
- relational database systems
- optimization method
- data integration
- data management
- evolutionary algorithm
- data sets