A Three-Phase Top-|k| Query Based Distributed Data Collection Scheme in Wireless Sensor Networks.
Guorui LiJingsha HeCong WangPublished in: Int. J. Distributed Sens. Networks (2015)
Keyphrases
- data collection
- wireless sensor networks
- query processing
- sensor networks
- communication cost
- aggregation queries
- energy consumption
- sensor nodes
- user defined
- database
- response time
- base station
- indexing scheme
- skyline queries
- result set
- query evaluation
- heterogeneous databases
- query result
- search mechanism
- distributed systems
- distributed environment
- query expansion
- energy efficient
- relevance feedback
- data sources
- routing algorithm
- query decomposition
- node selection
- routing protocol
- data analysis
- energy efficiency
- indexing techniques
- data aggregation
- user queries
- highly relevant
- multi hop
- range queries
- mobile nodes
- candidate set
- similarity search
- distributed information retrieval
- scoring functions
- data structure
- databases