Multi-query optimization of sliding window aggregates by schedule synchronization.
Lukasz GolabKumar Gaurav BijayM. Tamer ÖzsuPublished in: CIKM (2006)
Keyphrases
- query optimization
- sliding window
- data streams
- database systems
- continuous queries
- cost model
- cost estimation
- query processing
- query scheduling
- streaming data
- stream data
- multidatabase systems
- query execution
- fixed size
- window size
- cardinality estimation
- xml data
- variable size
- data sets
- data distribution
- approximate query answering
- query execution plans
- query plan
- scheduling algorithm
- stream processing
- selectivity estimation
- query optimizer
- data model
- fixed width