Query optimization based on user-specified delay item for wireless sensor networks.
Jun-Zhao SunPublished in: IWCMC (2007)
Keyphrases
- query optimization
- wireless sensor networks
- database systems
- user preferences
- cost model
- multidatabase systems
- query processing
- cost estimation
- data placement
- query scheduling
- cardinality estimation
- selectivity estimation
- xml data
- semantic query optimization
- query execution
- query execution plans
- continuous queries
- query formulation
- complex queries
- user profiles
- collaborative filtering
- sensor networks
- recommender systems
- sensor nodes
- join queries
- databases
- database