Multi-application Query Optimization for Shared WSNs Leveraging Caching Mechanism.
Deng ZhaoZhangBing ZhouJianhua MaYueqin ZhuPublished in: UIC/ATC/ScalCom/CBDCom/IoP/SmartWorld (2016)
Keyphrases
- query optimization
- query processing
- cost model
- cost estimation
- database systems
- query scheduling
- multidatabase systems
- wireless sensor networks
- xml data
- query execution
- query optimizer
- continuous queries
- recursive queries
- data placement
- access patterns
- databases
- selectivity estimation
- join queries
- response time
- relational databases
- query optimizers
- data streams
- approximate query answering
- query execution plans