Conditional Selectivity for Statistics on Query Expressions.
Nicolas BrunoSurajit ChaudhuriPublished in: SIGMOD Conference (2004)
Keyphrases
- selectivity estimation
- database
- query processing
- response time
- query evaluation
- rewrite rules
- original query
- relevance feedback
- user queries
- range queries
- retrieval systems
- query formulation
- statistical information
- database queries
- search queries
- data structure
- vector space
- boolean queries
- information retrieval systems
- facial expressions
- keywords
- random field model
- language constructs
- efficient processing
- query execution
- result set
- confidence intervals
- retrieval method
- keyword search
- query expansion
- relational databases
- natural language