Online Time Interval Top-k Queries in Wireless Sensor Networks.
Baichen ChenWeifa LiangJeffrey Xu YuPublished in: Mobile Data Management (2010)
Keyphrases
- wireless sensor networks
- query processing
- online learning
- result set
- aggregation queries
- query language
- sensor networks
- user defined
- database
- energy efficient
- response time
- environmental monitoring
- efficient processing
- real time
- skyline queries
- query evaluation
- range queries
- query result
- data objects
- database queries
- energy consumption
- user queries
- exact and approximate
- web search engines
- data sources
- node selection
- query logs
- search queries
- materialized views
- retrieval systems
- routing protocol
- approximate answers