Prediction-Based Filter Updating Policies for Top-k Monitoring Queries in Wireless Sensor Networks.
Jiping ZhengHui ZhangBaoli SongHaixiang WangYongge WangPublished in: Int. J. Distributed Sens. Networks (2014)
Keyphrases
- wireless sensor networks
- query processing
- environmental monitoring
- body sensor networks
- aggregation queries
- sensor networks
- query language
- query evaluation
- prediction accuracy
- user defined
- result set
- data gathering
- efficient processing
- query performance prediction
- real time
- energy efficient
- user queries
- wireless sensor
- skyline queries
- candidate set
- prediction model
- range queries
- query optimization
- database queries
- indexing techniques
- monitoring system
- multi hop
- query result
- energy consumption
- web search engines
- node selection
- moving average
- health monitoring
- energy efficiency
- approximate answers
- sensor data streams
- data aggregation
- aggregate queries
- sensor nodes
- optimal policy
- index structure
- database systems