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On synopses for distinct-value estimation under multiset operations.
Kevin S. Beyer
Peter J. Haas
Berthold Reinwald
Yannis Sismanis
Rainer Gemulla
Published in:
SIGMOD Conference (2007)
Keyphrases
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query optimization
data streams
image sequences
lower bound
data distribution
estimation error
estimation algorithm
maximum likelihood estimation
robust estimation
approximate query processing
real time
genetic algorithm
multiscale
data management
database management systems
accurate estimation