History-Sensitive Based Approach to Optimizing Top-k Queries in Sensor Networks.
Qunhua PanMinglu LiMin-You WuPublished in: MSN (2006)
Keyphrases
- sensor networks
- aggregation queries
- query processing
- wireless sensor networks
- reduce communication cost
- sensor data
- data collection
- sensor nodes
- resource constrained
- environmental monitoring
- energy efficient
- data streams
- underwater acoustic
- energy consumption
- query evaluation
- database queries
- sensor readings
- query language
- energy efficiency
- communication cost
- mobile wireless
- data aggregation
- constraint databases
- base station
- communication bandwidth
- energy aware
- heterogeneous sensor networks
- result set
- data gathering
- real time
- aggregation functions
- network connectivity
- database
- data center
- routing protocol
- sensing devices
- mobile sensor networks
- visual sensor networks
- data sources