A Grid Framework for Approximate Aggregate Query Answering on Summarized Sensor Network Readings.
Alfredo CuzzocreaFilippo FurfaroGiuseppe M. MazzeoDomenico SaccàPublished in: OTM Workshops (2004)
Keyphrases
- query answering
- sensor networks
- sensor readings
- wireless sensor networks
- conjunctive queries
- data exchange
- heterogeneous sensor networks
- resource constrained
- data complexity
- sensor data
- incomplete information
- communication cost
- energy consumption
- answering queries
- environmental monitoring
- data integration
- database
- sensor nodes
- dynamic environments
- knowledge representation
- ontology driven
- data streams