Implementing top-k query in duty-cycled wireless sensor networks.
Chunsheng ZhuLaurence Tianruo YangLei ShuTakahiro HaraShojiro NishioPublished in: IWCMC (2011)
Keyphrases
- wireless sensor networks
- query processing
- data aggregation
- result set
- sensor networks
- query result
- database queries
- data sources
- response time
- user queries
- energy efficient
- user defined
- aggregation queries
- highly relevant
- sensor nodes
- database
- skyline queries
- energy efficiency
- query formulation
- multi hop
- query evaluation
- range queries
- retrieval systems
- candidate set
- relevance feedback
- approximate answers
- node selection
- ad hoc networks
- routing algorithm
- data objects
- routing protocol
- energy consumption
- search engine
- query interface
- complex queries
- aggregate queries
- query terms
- exact and approximate
- user interaction