Exploiting statistics on query expressions for optimization.
Nicolas BrunoSurajit ChaudhuriPublished in: SIGMOD Conference (2002)
Keyphrases
- optimization strategies
- query processing
- database
- rewrite rules
- response time
- global optimization
- query evaluation
- relevance feedback
- data structure
- retrieval method
- constrained optimization
- original query
- transformation rules
- user defined
- user queries
- optimization algorithm
- optimization problems
- facial expressions
- execution plan
- boolean expressions
- query execution
- database queries
- vector space
- retrieval systems
- query expansion
- data sources
- databases