Two-Tier Multiple Query Optimization for Sensor Networks.
Shili XiangHock-Beng LimKian-Lee TanYongluan ZhouPublished in: ICDCS (2007)
Keyphrases
- sensor networks
- query optimization
- wireless sensor networks
- database systems
- sensor data
- cost model
- query processing
- environmental monitoring
- heterogeneous sensor networks
- energy efficient
- data collection
- cost estimation
- multidatabase systems
- resource constrained
- cardinality estimation
- data streams
- sensor nodes
- xml data
- communication cost
- mobile sensor networks
- query execution
- data aggregation
- energy consumption
- query execution plans
- communication bandwidth
- query optimizer
- data management
- query optimizers
- underwater acoustic
- recursive queries
- routing protocol
- selectivity estimation
- relational database systems