Least Expected Cost Query Optimization: An Exercise in Utility.
Francis C. ChuJoseph Y. HalpernPraveen SeshadriPublished in: PODS (1999)
Keyphrases
- query optimization
- expected cost
- cost function
- database systems
- long run
- cost model
- optimal strategy
- query processing
- cost estimation
- query execution
- multidatabase systems
- query scheduling
- utility function
- xml data
- query optimizer
- selectivity estimation
- query execution plans
- multi dimensional
- execution plan
- databases
- continuous queries
- computational complexity
- data streams
- feature selection
- machine learning
- database