Cache-Based Periodic Query Optimization for Wireless Sensor Networks.
Deng ZhaoZhangbing ZhouKe NingXiaolei WangPublished in: IIKI (2014)
Keyphrases
- query optimization
- wireless sensor networks
- query processing
- cost model
- database systems
- multidatabase systems
- sensor networks
- query execution
- cardinality estimation
- energy consumption
- queries involving
- cost estimation
- prefetching
- xml data
- query scheduling
- multiple queries
- data management
- query execution plans
- data access
- query optimizer
- continuous queries
- recursive queries
- data placement
- join queries
- selectivity estimation
- aggregate queries
- approximate query answering
- query result
- relational database systems
- main memory
- query optimizers
- query evaluation
- data model
- data structure