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AJAR: Aggregations and Joins over Annotated Relations

Summary: Shows multiway join algorithms plus generalized hypertree decompositions (GHDs) suffice for aggregate-join queries over annotated relations, achieving best-known runtimes. Characterizes equivalent aggregation orders and valid GHDs and decomposes them into unconstrained sub-GHDs to leverage GHD results for tighter bounds, distributed variants, and efficient approximate GHD search. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
haba4e21a2f7b8a22
Venue
PODS
Year
2016
Pagerank
0.0001020855
Overall Rank
1,570 | 89.45%
DOI
10.1145/2902251.2902293

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{joglekar_pods16,
        address = {New York, NY, USA},
        series = {{PODS} '16},
        title = {{AJAR: Aggregations and Joins over Annotated Relations}},
        url = {https://dl.acm.org/doi/10.1145/2902251.2902293},
        doi = {10.1145/2902251.2902293},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Joglekar, Manas and Puttagunta, Rohan and Ré, Christopher},
        year = {2016}
}

Incoming Citations (Sorted by Pagerank)

Showing 25 of 25 citing papers.

Rank Citing Paper Year Venue Pagerank
812 The Dynamic Yannakakis Algorithm: Compact and Efficient Query Processing Under Updates 2017 SIGMOD 0.00013729015
1,596 Adopting Worst-Case Optimal Joins in Relational Database Systems 2020 VLDB 0.00010127607
2,582 Secure Yannakakis: Join-Aggregate Queries over Private Data 2021 SIGMOD 8.2594787e-05
3,992 Guaranteeing the O~(AGM/OUT) Runtime for Uniform Sampling and Size Estimation over Joins 2023 PODS 6.8685334e-05
4,369 Predicate Transfer: Efficient Pre-Filtering on Multi-Join Queries 2024 CIDR 6.6315141e-05
4,463 Instance and Output Optimal Parallel Algorithms for Acyclic Joins 2019 PODS 6.5877664e-05
4,509 Conjunctive Queries with Comparisons 2022 SIGMOD 6.570408e-05
4,974 SPORES: Sum-Product Optimization via Relational Equality Saturation for Large Scale Linear Algebra 2020 VLDB 6.3318399e-05
5,595 Cover or Pack: New Upper and Lower Bounds for Massively Parallel Joins 2021 PODS 6.0727701e-05
5,902 Yannakakis+: Practical Acyclic Query Evaluation with Theoretical Guarantees 2025 SIGMOD 5.9536872e-05
6,531 Query Evaluation by Circuits 2022 PODS 5.754708e-05
6,550 JoinBoost: Grow Trees Over Normalized Data Using Only SQL 2023 VLDB 5.7503043e-05
6,567 Fast Matrix Multiplication for Query Processing 2024 PODS 5.7469783e-05
6,573 Output-Optimal Algorithms for Join-Aggregate Queries 2025 PODS 5.7455776e-05
6,803 Residual Sensitivity for Differentially Private Multi-Way Joins 2021 SIGMOD 5.6783493e-05
7,292 Computing the Difference of Conjunctive Queries Efficiently 2023 SIGMOD 5.5642569e-05
7,293 Parallel Algorithms for Sparse Matrix Multiplication and Join-Aggregate Queries 2020 PODS 5.5638766e-05
7,439 A Nearly Instance-optimal Differentially Private Mechanism for Conjunctive Queries 2022 PODS 5.5267455e-05
7,917 Avoiding Materialisation for Guarded Aggregate Queries 2025 VLDB 5.4276002e-05
10,153 Threshold Queries in Theory and in the Wild 2022 VLDB 5.0715586e-05
10,371 Fine-Grained Dichotomies for Conjunctive Queries with Minimum or Maximum 2026 PODS 4.9793485e-05
10,508 Succinct Structure Representations for Efficient Query Optimization 2026 SIGMOD 4.9793485e-05
10,544 Approximate Query Processing under Updates 2026 SIGMOD 4.9793485e-05
11,526 Relational Algorithms for Top-k Query Evaluation 2024 SIGMOD 4.9793485e-05
11,735 Lightweight Materialization for Fast Dashboards Over Joins 2023 SIGMOD 4.9793485e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 8 of 8 cited papers.

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

Rank Cited Paper Year Venue Pagerank
17 Provenance Semirings 2007 PODS 0.00059752575
208 EmptyHeaded: A Relational Engine for Graph Processing 2016 SIGMOD 0.00024884544
357 FAQ: Questions Asked Frequently 2016 PODS 0.00020020639
402 Worst-case Optimal Join Algorithms 2012 PODS 0.00019104625
849 Aggregation and Ordering in Factorised Databases 2013 VLDB 0.00013504405
2,365 Hypertree Decompositions and Tractable Queries 1999 PODS 8.5654557e-05
3,908 DunceCap: Query Plans Using Generalized Hypertree Decompositions 2015 SIGMOD 6.9320489e-05
8,308 DunceCap: Compiling Worst-Case Optimal Query Plans 2015 SIGMOD 5.3582899e-05
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