Challenges in spatiotemporal stream query optimization.
Hicham G. ElmonguiMourad OuzzaniWalid G. ArefPublished in: MobiDE (2006)
Keyphrases
- query optimization
- continuous queries
- database systems
- cost model
- query processing
- multidatabase systems
- data placement
- xml data
- query execution
- cost estimation
- query optimizer
- stream processing
- query execution plans
- cardinality estimation
- query plan
- query scheduling
- complex queries
- sliding window
- stream data
- selectivity estimation
- data streams
- relational databases
- join queries
- xml documents
- semantic query optimization
- databases
- join algorithms
- approximate query answering
- query optimizers
- recursive queries
- execution plan
- database management systems
- building blocks