Detecting common subexpressions for multiple query optimization over loosely-coupled heterogeneous data sources.
Mahesh B. ChaudhariSuzanne W. DietrichPublished in: Distributed Parallel Databases (2016)
Keyphrases
- query optimization
- loosely coupled
- heterogeneous data sources
- database systems
- multiple data sources
- cost model
- query execution
- data sources
- web services
- cost estimation
- xml data
- cardinality estimation
- data integration
- query processing
- service oriented architecture
- multidatabase systems
- relational databases
- distributed systems
- multiple sources
- continuous queries
- heterogeneous data
- query plan
- data management
- selectivity estimation
- sql queries
- efficient query processing
- query processor