DBScholar

Back to papers

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)

Paper ID
h0636d7c3c29bbca2
Venue
SIGMOD
Year
2021
Pagerank
5.5212177e-05
Overall Rank
7,387 | 50.49%
DOI
10.1145/3448016.3452821

Incoming Non-self Citations Over Time

Authors

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.

Previous Page 1 / 1 Next

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.

Rank Cited Paper Year Venue Pagerank
9 Online Aggregation 1997 SIGMOD 0.00076079812
37 Improved Histograms for Selectivity Estimation of Range Predicates 1996 SIGMOD 0.00047654188
82 Space-Efficient Online Computation of Quantile Summaries 2001 SIGMOD 0.00036097627
138 Join Synopses for Approximate Query Answering 1999 SIGMOD 0.00029532435
171 Wavelet-Based Histograms for Selectivity Estimation 1998 SIGMOD 0.00027063233
268 Distinct Sampling for Highly-Accurate Answers to Distinct Values Queries and Event Reports 2001 VLDB 0.00022654182
277 Optimal Histograms with Quality Guarantees 1998 VLDB 0.0002235043
495 An Optimal Algorithm for the Distinct Elements Problem 2010 PODS 0.00017347522
518 Random Sampling for Histogram Construction: How much is enough? 1998 SIGMOD 0.00016918797
594 Wander Join: Online Aggregation via Random Walks 2016 SIGMOD 0.00015814493
711 On Synopses for Distinct-Value Estimation Under Multiset Operations 2007 SIGMOD 0.00014589586
745 Dynamic Multidimensional Histograms 2002 SIGMOD 0.00014267268
750 Bifocal Sampling for Skew-Resistant Join Size Estimation 1996 SIGMOD 0.00014246313
752 Join Size Estimation Subject to Filter Conditions 2015 VLDB 0.00014234789
841 Quickr: Lazily Approximating Complex AdHoc Queries in BigData Clusters 2016 SIGMOD 0.00013503124
844 Processing Complex Aggregate Queries over Data Streams 2002 SIGMOD 0.00013498392
861 How to Summarize the Universe: Dynamic Maintenance of Quantiles 2002 VLDB 0.00013374869
1,065 Approximate Query Processing: No Silver Bullet 2017 SIGMOD 0.00012181098
1,070 Sketching Streams Through the Net: Distributed Approximate Query Tracking 2005 VLDB 0.0001215545
1,435 Knowing When You’re Wrong: Building Fast and Reliable Approximate Query Processing Systems 2014 SIGMOD 0.00010659454
1,681 Two-Level Sampling for Join Size Estimation 2017 SIGMOD 9.8821344e-05
2,332 DDSketch: A Fast and Fully-Mergeable Quantile Sketch with Relative-Error Guarantees 2019 VLDB 8.614375e-05
2,474 AnalyticDB: Real-time OLAP Database System at Alibaba Cloud 2019 VLDB 8.3955114e-05
2,675 Moment-Based Quantile Sketches for Efficient High Cardinality Aggregation Queries 2018 VLDB 8.1273838e-05
3,136 Every Row Counts: Combining Sketches and Sampling for Accurate Group-By Result Estimates 2019 CIDR 7.5902303e-05
4,329 MNC: Structure-Exploiting Sparsity Estimation for Matrix Expressions 2019 SIGMOD 6.64569e-05
6,138 Approximate Distinct Counts for Billions of Datasets 2019 SIGMOD 5.8575652e-05
Previous Page 1 / 1 Next

Semantically Similar Papers