Conditional Selectivity for Statistics on Query Expressions.

Nicolas Bruno Surajit Chaudhuri

Published 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