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Conditional Selectivity for Statistics on Query Expressions.
Nicolas Bruno
Surajit Chaudhuri
Published in:
SIGMOD Conference (2004)
Keyphrases
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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