Energy-efficient top-k query evaluation and maintenance in wireless sensor networks.
Baichen ChenWeifa LiangJeffrey Xu YuPublished in: Wirel. Networks (2014)
Keyphrases
- query evaluation
- energy efficient
- wireless sensor networks
- query processing
- probabilistic xml
- energy consumption
- sensor networks
- data complexity
- sensor nodes
- data management
- conjunctive queries
- query language
- base station
- data aggregation
- multi hop
- energy efficiency
- transitive closure
- probabilistic databases
- data gathering
- data dissemination
- routing protocol
- efficient query evaluation
- data collection
- efficient processing
- xml data
- data transmission
- routing algorithm
- twig queries
- data model
- inverted lists
- database systems
- xpath queries
- cluster head
- keyword queries
- join algorithms
- aggregate queries
- query answers
- relational databases