Optimized stratified sampling for approximate query processing.

Surajit Chaudhuri Gautam Das Vivek R. Narasayya

Published in: ACM Trans. Database Syst. (2007)

Keyphrases

approximate query processing
stratified sampling
sampling strategies
random sampling

databases
spatial databases
active learning
sampling methods

training data
wavelet synopses
machine learning
sampling strategy

data sets
database systems
multi dimensional
range queries