On-Demand Information Retrieval in Sensor Networks with Localised Query and Energy-Balanced Data Collection.
Rui TengBing ZhangPublished in: Sensors (2011)
Keyphrases
- sensor networks
- data collection
- energy consumption
- sensor nodes
- information retrieval
- communication cost
- energy efficiency
- wireless sensor networks
- energy efficient
- query expansion
- relevance feedback
- sensor data
- aggregation queries
- network lifetime
- environmental monitoring
- database
- query processing
- data streams
- wireless sensor nodes
- resource constrained
- response time
- database queries
- data transmission
- base station
- data retrieval
- data gathering
- network connectivity
- information retrieval systems
- sink node
- energy aware
- data aggregation
- data dissemination
- reduce communication cost
- key establishment
- sensor readings
- cluster head
- routing algorithm
- aggregate queries
- underwater acoustic
- topology control
- wireless communication
- sensor web
- mobile nodes
- communication bandwidth
- indexing techniques
- search engine