Keyphrases
- sensor networks
- aggregation queries
- reduce communication cost
- wireless sensor networks
- energy consumption
- query language
- data collection
- energy efficient
- sensor nodes
- nearest neighbor
- sensor data
- data streams
- database
- communication cost
- response time
- resource constrained
- query processing
- sensor readings
- underwater acoustic
- energy efficiency
- knn
- data aggregation
- base station
- data gathering
- data dissemination
- range queries
- heterogeneous sensor networks
- data retrieval
- data sources
- data transmission
- sensor web
- communication bandwidth
- mobile wireless
- visual sensor networks
- routing protocol