Exploiting local node cache in top-k queries within wireless sensor networks.
Johannes NiedermayerMario A. NascimentoMatthias RenzPeer KrögerHans-Peter KriegelPublished in: GIS (2010)
Keyphrases
- query processing
- wireless sensor networks
- node selection
- query result
- sensor networks
- aggregation queries
- semantic caching
- query evaluation
- energy efficient
- multiple queries
- cluster head
- efficient processing
- query language
- topology control
- sensor nodes
- range queries
- database systems
- user defined
- energy efficiency
- result set
- index structure
- energy consumption
- cost model
- residual energy
- query optimization
- r tree
- response time
- query types
- data management
- aggregate queries
- xml data
- routing algorithm
- base station
- sink node
- database management systems
- multi hop
- routing protocol
- complex queries
- main memory
- sql queries
- malicious nodes
- prefetching
- user queries