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Zhuoyue Zhao, Dong Xie, Feifei Li · 2022

1 Pith paper cite this work. Polarity classification is still indexing.

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cs.DB 1

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2026 1

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UNVERDICTED 1

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Index-Assisted Stratified Sampling for Online Aggregation

cs.DB · 2026-04-30 · unverdicted · novelty 6.0

A two-phase stratified sampling framework for index-assisted online aggregation optimizes strata using first-phase samples and proves allocation strategies, yielding up to 3x speedup over uniform sampling.

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  • Index-Assisted Stratified Sampling for Online Aggregation cs.DB · 2026-04-30 · unverdicted · none · ref 35

    A two-phase stratified sampling framework for index-assisted online aggregation optimizes strata using first-phase samples and proves allocation strategies, yielding up to 3x speedup over uniform sampling.