Processing Precision-Constrained Approximate Queries in Wireless Sensor Networks.
Minji WuJianliang XuXueyan TangPublished in: MDM (2006)
Keyphrases
- wireless sensor networks
- efficient processing
- query processing
- processing queries
- join queries
- sensor networks
- database
- response time
- data aggregation
- pre computed
- node selection
- query evaluation
- range queries
- routing protocol
- energy efficient
- database queries
- query formulation
- aggregation queries
- energy consumption
- user queries
- data processing
- query language
- routing algorithm
- approximate answers
- web search engines
- real time
- multi hop
- exact answers
- efficient execution
- approximate matches
- approximate functional dependencies
- retrieval quality
- environmental monitoring
- aggregate queries
- query plan
- energy efficiency
- base station
- query logs
- xml data
- data sources
- search engine