Approximate Query Answering in Sensor Networks with Hierarchically Distributed Caching.
Ying LiM. V. RamakrishnaSeng Wai LokePublished in: AINA (2) (2006)
Keyphrases
- sensor networks
- communication cost
- mobile sensor networks
- camera network
- wireless sensor networks
- approximate query answering
- mobile sensor
- environmental monitoring
- data collection
- sensor nodes
- resource constrained
- sensor data
- data streams
- energy consumption
- energy efficient
- query processing
- communication bandwidth
- underwater acoustic
- reduce communication cost
- aggregate queries
- data aggregation
- distributed systems
- distributed environment
- multi dimensional
- peer to peer
- query optimization
- data dissemination
- selectivity estimation
- response time
- database