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    VLDB
    2009
    ACM
    143views Database» more  VLDB 2009»
    Sampling-based estimators for subset-based queries
    15 years 9 days ago
    Sampling-based estimators for subset-based queries
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    We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
    Shantanu Joshi, Christopher M. Jermaine
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