An optimization of disjunctive queries: union-pushdown.
Jae-Young ChangSang-goo LeePublished in: COMPSAC (1997)
Keyphrases
- query processing
- query language
- efficient processing
- optimization algorithm
- response time
- database
- global optimization
- query evaluation
- optimization process
- optimization method
- query formulation
- optimization strategies
- web search engines
- constrained optimization
- execution plan
- model checking
- optimization problems
- information retrieval systems
- data objects
- query logs
- search queries
- knn
- data sources
- query plan