A Distributed Spatial Index for Time-Efficient Aggregation Query Processing in Sensor Networks.
Soon-Young ParkHae-Young BaePublished in: International Conference on Computational Science (1) (2005)
Keyphrases
- sensor networks
- reduce communication cost
- spatial query processing
- communication cost
- spatial index
- aggregation queries
- data aggregation
- query processing
- mobile sensor networks
- wireless sensor networks
- r tree
- sensor data
- index structure
- energy efficient
- sensor nodes
- environmental monitoring
- mobile sensor
- underwater acoustic
- energy consumption
- resource constrained
- data streams
- sensor web
- relational database systems
- data retrieval
- database
- database systems
- spatial data
- distributed systems
- data sets
- communication bandwidth
- spatial queries
- data management
- data model