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The Aqua Approximate Query Answering System

Summary: Aqua precomputes synopses and rewrites aggregates for fast, approximate results with probabilistic guarantees on any RDBMS. Incremental maintenance keeps synopses up to date as data changes, enabling orders-of-magnitude faster queries when precision is unnecessary. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
3159
Venue
SIGMOD
Year
1999
Pagerank
0.00023476494
Overall Rank
429 | 97.02%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 50 of 58 citing papers.

Rank Citing Paper Year Venue Pagerank
149 Trio: A System for Integrated Management of Data, Accuracy, and Lineage 2005 CIDR 0.00041101118
211 Join Synopses for Approximate Query Answering 1999 SIGMOD 0.00033981214
308 Distinct Sampling for Highly-Accurate Answers to Distinct Values Queries and Event Reports 2001 VLDB 0.00028142852
383 An Optimal Algorithm for the Distinct Elements Problem 2010 PODS 0.00024820873
852 Dynamic Multidimensional Histograms 2002 SIGMOD 0.00015941524
1,120 Global Optimization of Histograms 2001 SIGMOD 0.00013856211
1,198 Crossing the Structure Chasm 2003 CIDR 0.00013366708
1,204 VerdictDB: Universalizing Approximate Query Processing 2018 SIGMOD 0.00013319541
1,323 Quickr: Lazily Approximating Complex AdHoc Queries in BigData Clusters 2016 SIGMOD 0.00012601997
1,335 ICICLES: Self-tuning Samples for Approximate Query Answering 2000 VLDB 0.00012502131
1,350 Northstar: An Interactive Data Science System 2018 VLDB 0.00012431059
1,552 Overview of Data Exploration Techniques 2015 SIGMOD 0.00011408814
1,574 Approximate Query Processing: No Silver Bullet 2017 SIGMOD 0.00011287495
2,011 Rapid Sampling for Visualizations with Ordering Guarantees 2015 VLDB 9.7964875e-05
2,129 IDEBench: A Benchmark for Interactive Data Exploration 2020 SIGMOD 9.480002e-05
2,184 A Sample-and-Clean Framework for Fast and Accurate Query Processing on Dirty Data 2014 SIGMOD 9.3429789e-05
2,355 G-OLA: Generalized On-Line Aggregation for Interactive Analysis on Big Data 2015 SIGMOD 8.9677847e-05
2,365 The Analytical Bootstrap: a New Method for Fast Error Estimation in Approximate Query Processing 2014 SIGMOD 8.9551432e-05
2,501 DBEst: Revisiting Approximate Query Processing Engines with Machine Learning Models 2019 SIGMOD 8.6453446e-05
2,580 Sample + Seek: Approximating Aggregates with Distribution Precision Guarantee 2016 SIGMOD 8.5058814e-05
2,588 Database Learning: Toward a Database that Becomes Smarter Every Time 2017 SIGMOD 8.4909562e-05
2,716 Davos: A System for Interactive Data-Driven Decision Making 2021 VLDB 8.2429172e-05
2,748 REHIST: Relative Error Histogram Construction Algorithms 2004 VLDB 8.1785955e-05
2,995 A Sampling Algebra for Aggregate Estimation 2013 VLDB 7.7587199e-05
3,013 Cardinality Estimation Using Sample Views with Quality Assurance 2007 SIGMOD 7.7137441e-05
3,167 Relational Confidence Bounds Are Easy With The Bootstrap* 2005 SIGMOD 7.4523397e-05
3,310 Optimal and Approximate Computation of Summary Statistics for Range Aggregates 2001 PODS 7.2408955e-05
3,719 Space efficiency in Synopsis construction algorithms 2005 VLDB 6.8204683e-05
3,835 I've Seen "Enough": Incrementally Improving Visualizations to Support Rapid Decision Making 2017 VLDB 6.7163364e-05
3,919 Efficient Selection of Geospatial Data on Maps for Interactive and Visualized Exploration 2018 SIGMOD 6.631077e-05
3,944 AQP++: Connecting Approximate Query Processing With Aggregate Precomputation for Interactive Analytics 2018 SIGMOD 6.6078243e-05
4,014 Exploiting Correlations for Expensive Predicate Evaluation 2015 SIGMOD 6.5273084e-05
4,030 Revisiting Reuse for Approximate Query Processing 2017 VLDB 6.5129665e-05
4,417 Robust Query Driven Cardinality Estimation under Changing Workloads 2023 VLDB 6.2037371e-05
4,434 Lightweight and Accurate Cardinality Estimation by Neural Network Gaussian Process 2022 SIGMOD 6.1929999e-05
4,500 Rethinking Data Management for Storage-centric Sensor Networks 2007 CIDR 6.1381791e-05
4,681 Adaptive Sampling for Rapidly Matching Histograms 2018 VLDB 6.0034918e-05
4,955 Estimating arbitrary subset sums with few probes 2005 PODS 5.8053317e-05
5,535 Lightweight Cardinality Estimation in LSM-based Systems 2018 SIGMOD 5.4539235e-05
5,806 BlinkML: Efficient Maximum Likelihood Estimation with Probabilistic Guarantees 2019 SIGMOD 5.3200643e-05
5,868 ABS: a System for Scalable Approximate Queries with Accuracy Guarantees 2014 SIGMOD 5.2959352e-05
6,233 Mosaic: A Sample-Based Database System for Open World Query Processing 2020 CIDR 5.1451876e-05
6,400 iOLAP: Managing Uncertainty for Efficient Incremental OLAP 2016 SIGMOD 5.0803518e-05
7,305 Tempura: A General Cost-Based Optimizer Framework for Incremental Data Processing 2021 VLDB 4.7678776e-05
7,534 Enabling Efficient and General Subpopulation Analytics in Multidimensional Data Streams 2022 VLDB 4.7180004e-05
8,421 The DBO Database System 2008 SIGMOD 4.5170825e-05
8,673 CoopStore: Optimizing Precomputed Summaries for Aggregation 2020 VLDB 4.4709116e-05
9,118 Towards Observability for Production Machine Learning Pipelines 2022 VLDB 4.3928288e-05
10,497 PilotDB: Database-Agnostic Online Approximate Query Processing with A Priori Error Guarantees 2025 SIGMOD 4.1945683e-05
10,608 Approximation-First Timeseries Query At Scale 2025 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 4 of 4 cited papers.

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

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