Processing continuous join queries in sensor networks: a filtering approach.
Mirco SternKlemens BöhmErik BuchmannPublished in: SIGMOD Conference (2010)
Keyphrases
- sensor networks
- join queries
- query processing
- conjunctive queries
- query optimization
- parallel processing
- efficient processing
- wireless sensor networks
- sensor data
- complex queries
- spatial databases
- data collection
- energy consumption
- sensor nodes
- query execution
- communication cost
- join algorithms
- database systems
- spatial join
- query optimizer
- r tree
- response time
- aggregation queries
- data streams
- cost model
- routing protocol
- join operations
- query plan
- communication bandwidth
- integrity constraints
- query evaluation
- data processing
- query language
- query answering
- data sets
- data management
- nearest neighbor
- data sources
- databases