Top-k query evaluation in sensor networks under query response time constraint.
Weifa LiangBaichen ChenJeffrey Xu YuPublished in: Inf. Sci. (2011)
Keyphrases
- query evaluation
- sensor networks
- response time
- query processing
- query execution
- energy efficiency
- wireless sensor networks
- aggregation queries
- conjunctive queries
- sensor data
- transitive closure
- data management
- xml data
- probabilistic databases
- query language
- probabilistic xml
- data complexity
- communication cost
- query optimization
- query engine
- constraint databases
- energy consumption
- query answers
- sensor nodes
- database systems
- communication bandwidth
- efficient query evaluation
- data streams
- inverted lists
- signature file
- similarity search
- data mining
- data model
- query result
- tree pattern queries
- aggregate queries
- xpath queries
- data retrieval
- cost model
- range queries
- inverted index
- materialized views
- uncertain data
- r tree
- routing protocol
- data warehouse