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Combining Sampling and Synopses with Worst-Case Optimal Runtime and Quality Guarantees for Graph Pattern Cardinality Estimation

Summary: ALLEY blends sampling and synopses for graph-pattern cardinality estimation. It introduces random-walk-with-intersection sampling, variance-reducing branching, and mined tangled-pattern synopses to deliver unbiased online estimates with worst-case optimal runtime and accuracy guarantees. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
h43ed53a78206ec91
Venue
SIGMOD
Year
2021
Pagerank
5.9511271e-05
Overall Rank
5,904 | 60.32%
DOI
10.1145/3448016.3457246

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{kim_sigmod21,
        title = {{Combining Sampling and Synopses with Worst-Case Optimal Runtime and Quality Guarantees for Graph Pattern Cardinality Estimation}},
        author = {Kim, Kyoungmin and Fletcher, George and Kim, Hyeonji and Han, Wook-Shin},
        series = {{SIGMOD} '21},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3448016.3457246},
        url = {https://dl.acm.org/doi/10.1145/3448016.3457246},
        year = {2021}
}

Incoming Citations (Sorted by Pagerank)

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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
176 Graph Indexing: A Frequent Structure-based Approach 2004 SIGMOD 0.00026688651
208 EmptyHeaded: A Relational Engine for Graph Processing 2016 SIGMOD 0.00024899872
386 Preventing Bad Plans by Bounding the Impact of Cardinality Estimation Errors 2009 VLDB 0.00019446558
402 Worst-case Optimal Join Algorithms 2012 PODS 0.00019095982
466 Design and Implementation of the LogicBlox System 2015 SIGMOD 0.00017765702
596 Wander Join: Online Aggregation via Random Walks 2016 SIGMOD 0.00015782051
688 Cardinality Estimation Done Right: Index-Based Join Sampling 2017 CIDR 0.00014749318
713 Optimizing Subgraph Queries by Combining Binary and Worst-Case Optimal Joins 2019 VLDB 0.00014571507
749 Join Size Estimation Subject to Filter Conditions 2015 VLDB 0.00014261044
795 Random Sampling over Joins Revisited 2018 SIGMOD 0.00013934719
919 Estimating the Selectivity of XML Path Expressions for Internet Scale Applications 2001 VLDB 0.00013077728
961 Efficient Subgraph Matching: Harmonizing Dynamic Programming, Adaptive Matching Order, and Failing Set Together 2019 SIGMOD 0.00012830477
1,027 GraMI: Frequent Subgraph and Pattern Mining in a Single Large Graph 2014 VLDB 0.00012416665
1,046 Graphflow: An Active Graph Database 2017 SIGMOD 0.00012316579
1,180 In-Memory Subgraph Matching: An In-depth Study 2020 SIGMOD 0.00011622165
1,465 Pessimistic Cardinality Estimation: Tighter Upper Bounds for Intermediate Join Cardinalities 2019 SIGMOD 0.00010572023
1,931 Consistently Estimating the Selectivity of Conjuncts of Predicates 2005 VLDB 9.3511556e-05
2,824 G-CARE: A Framework for Performance Benchmarking of Cardinality Estimation Techniques for Subgraph Matching 2020 SIGMOD 7.9662478e-05
4,819 Taming Subgraph Isomorphism for RDF Query Processing 2015 VLDB 6.3954734e-05
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