Weighted Distinct Sampling: Cardinality Estimation for SPJ Queries
Summary: Weighted distinct sampling (WDS) is proposed as a near-optimal framework for estimating SP cardinalities. The approach extends to SPJ queries, delivering the first non-trivial SPJ cardinality solution and is supported by extensive experiments. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Yuan Qiu (Hong Kong University of Science and Technology)
- 2. Yilei Wang (Hong Kong University of Science and Technology)
- 3. Ke Yi (Hong Kong University of Science and Technology; Shenzhen University)
- 4. Feifei Li (Alibaba)
- 5. Bin Wu (Alibaba)
- 6. Chaoqun Zhan (Alibaba)
BibTeX Citation
@inproceedings{qiu_sigmod21,
title = {{Weighted Distinct Sampling: Cardinality Estimation for SPJ Queries}},
author = {Qiu, Yuan and Wang, Yilei and Yi, Ke and Li, Feifei and Wu, Bin and Zhan, Chaoqun},
series = {{SIGMOD} '21},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3448016.3452821},
url = {https://dl.acm.org/doi/10.1145/3448016.3452821},
year = {2021}
}Incoming Citations (Sorted by Pagerank)
Showing 6 of 6 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,299 | ALECE: An Attention-based Learned Cardinality Estimator for SPJ Queries on Dynamic Workloads | 2024 | VLDB | 6.6766173e-05 |
| 5,062 | Fine-Grained Modeling and Optimization for Intelligent Resource Management in Big Data Processing | 2022 | VLDB | 6.2896995e-05 |
| 5,500 | Density-optimized Intersection-free Mapping and Matrix Multiplication for Join-Project Operations | 2022 | VLDB | 6.1020763e-05 |
| 8,009 | A Spark Optimizer for Adaptive, Fine-Grained Parameter Tuning | 2024 | VLDB | 5.4063491e-05 |
| 9,962 | Graph Transformers for Query Plan Representation: Potentials and Challenges | 2025 | VLDB | 5.1014161e-05 |
| 11,552 | Towards a Converged Relational-Graph Optimization Framework | 2024 | SIGMOD | 4.9769913e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 27 of 27 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
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| 7 | 9,640 | Small Selectivities Matter: Lifting the Burden of Empty Samples | 2021 | SIGMOD |
| 8 | 1,258 | Sampling-Based Query Re-Optimization | 2016 | SIGMOD |
| 9 | 2,432 | Cardinality Estimation Using Sample Views with Quality Assurance | 2007 | SIGMOD |
| 10 | 688 | Cardinality Estimation Done Right: Index-Based Join Sampling | 2017 | CIDR |