Insights of Top-k Query in Duty-Cycled Wireless Sensor Networks.
Chunsheng ZhuLaurence T. YangLei ShuVictor C. M. LeungTakahiro HaraShojiro NishioPublished in: IEEE Trans. Ind. Electron. (2015)
Keyphrases
- wireless sensor networks
- query processing
- data aggregation
- user defined
- result set
- query evaluation
- user queries
- query result
- energy efficient
- sensor networks
- database
- response time
- skyline queries
- keywords
- aggregation queries
- ranking list
- data mining
- relevance feedback
- range queries
- candidate set
- highly relevant
- node selection
- databases
- database queries
- energy consumption
- query expansion
- base station
- query formulation
- relevant documents
- xml data
- approximate answers
- data structure
- database systems
- proximity search