A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Summary: A simple estimator for arbitrary set-expression cardinalities over distributed streams, based on continuous Flajolet–Martin sketches and a novel statistical model. Near-MLE efficiency for two streams, tractable for many, with O(δ⁻²|S|⁻¹N log log N) memory. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Aiyou Chen (Bell Labs, Alcatel-Lucent)
- 2. Jin Cao (Bell Labs, Alcatel-Lucent)
- 3. Tian Bu (Bell Labs, Alcatel-Lucent)
BibTeX Citation
@article{chen_vldb07,
title = {{A Simple and Efficient Estimation Method for Stream Expression Cardinalities}},
author = {Chen, Aiyou and Cao, Jin and Bu, Tian},
journal = {PVLDB},
series = {{VLDB} '07},
pages = {171--182},
year = {2007}
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| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 255 | Distinct Sampling for Highly-Accurate Answers to Distinct Values Queries and Event Reports | 2001 | VLDB | 0.00023174541 |
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