Optimizing Entity Join Queries by Extended Semijoins in a Wide Area Multidatabase Environment.
Pauray S. M. TsaiArbee L. P. ChenPublished in: ICPADS (1994)
Keyphrases
- join queries
- multidatabase environment
- join algorithms
- query optimization
- query processing
- multidatabase systems
- complex queries
- cost estimation
- conjunctive queries
- query execution
- cost model
- spatial databases
- parallel processing
- heterogeneous sources
- efficient processing
- database systems
- query plan
- transaction management
- data management
- query optimizer
- spatial join
- main memory
- data analysis
- databases
- r tree