Optimization of Accurate Top-k Query in Sensor Networks with Cached Data.
Qunhua PanMinglu LiMin-You WuWei ShuPublished in: WCNC (2007)
Keyphrases
- sensor networks
- aggregation queries
- query processing
- communication cost
- wireless sensor networks
- cached data
- sensor data
- energy efficient
- database
- response time
- energy consumption
- data streams
- query result
- data collection
- sensor nodes
- base station
- semantic caching
- range queries
- energy efficiency
- result set
- routing protocol
- query execution
- query plan
- database queries
- data distribution
- data management
- data dissemination
- cost model
- data aggregation
- data retrieval
- context aware
- database systems