Multi-objective Query Optimization Using Topic Ontologies.
Rocío L. CecchiniCarlos M. LorenzettiAna Gabriela MaguitmanPublished in: FQAS (2009)
Keyphrases
- query optimization
- multi objective
- database systems
- optimization algorithm
- evolutionary algorithm
- cost model
- multidatabase systems
- query processing
- cardinality estimation
- cost estimation
- objective function
- xml data
- query execution
- semantic web
- data placement
- query scheduling
- databases
- continuous queries
- genetic algorithm
- query optimizer
- recursive queries
- query rewriting
- selectivity estimation
- database
- index structure
- management system
- relational databases