Distributed Online Aggregations
Summary: Introduces Distributed Online Aggregation (DoA) over a DHT to produce progressive approximate aggregates. DoA iteratively samples at data sites, aggregates at a coordinator, grows processing nodes as samples grow, and reuses precomputed synopses; validated on PlanetLab with reduced latency and tight confidence intervals. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Sai Wu (National University of Singapore)
- 2. Shouxu Jiang (Harbin Engineering University)
- 3. Beng Chin Ooi (National University of Singapore)
- 4. Kian-Lee Tan (National University of Singapore)
BibTeX Citation
@article{wu_vldb09,
title = {{Distributed Online Aggregations}},
author = {Wu, Sai and Jiang, Shouxu and Ooi, Beng Chin and Tan, Kian-Lee},
journal = {PVLDB},
series = {{VLDB} '09},
doi = {10.14778/1687627.1687678},
url = {https://doi.org/10.14778/1687627.1687678},
year = {2009}
}Incoming Citations (Sorted by Pagerank)
Showing 7 of 7 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 593 | Wander Join: Online Aggregation via Random Walks | 2016 | SIGMOD | 0.00016027871 |
| 802 | Random Sampling over Joins Revisited | 2018 | SIGMOD | 0.00013907725 |
| 1,009 | Online Aggregation for Large MapReduce Jobs | 2011 | VLDB | 0.00012684342 |
| 1,736 | A Sample-and-Clean Framework for Fast and Accurate Query Processing on Dirty Data | 2014 | SIGMOD | 9.8984415e-05 |
| 3,042 | Continuous Sampling for Online Aggregation Over Multiple Queries | 2010 | SIGMOD | 7.8231049e-05 |
| 4,696 | Error-bounded Sampling for Analytics on Big Sparse Data | 2014 | VLDB | 6.557612e-05 |
| 9,392 | A Step Toward Deep Online Aggregation | 2023 | SIGMOD | 5.2755515e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 7 of 7 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 | 0.00077458002 |
| 131 | Ripple Joins for Online Aggregation | 1999 | SIGMOD | 0.00030424509 |
| 136 | Join Synopses for Approximate Query Answering | 1999 | SIGMOD | 0.00030123303 |
| 562 | Querying the Internet with PIER | 2003 | VLDB | 0.00016509814 |
| 4,138 | A Disk-Based Join With Probabilistic Guarantees* | 2005 | SIGMOD | 6.8779166e-05 |
| 5,142 | Online Feedback for Nested Aggregate Queries with Multi-Threading | 1999 | VLDB | 6.3482762e-05 |
| 8,664 | Just-In-Time Query Retrieval Over Partially Indexed Data on Structured P2P Overlays | 2008 | SIGMOD | 5.3887668e-05 |
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|---|---|---|---|---|
| 1 | 2,206 | DAQ: A New Paradigm for Approximate Query Processing | 2015 | VLDB |
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| 4 | 2,608 | A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries | 2001 | SIGMOD |
| 5 | 3,741 | Spatial Online Sampling and Aggregation | 2016 | VLDB |
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| 7 | 7,641 | Spatially-Decaying Aggregation Over a Network: Model and Algorithms | 2004 | SIGMOD |
| 8 | 1,009 | Online Aggregation for Large MapReduce Jobs | 2011 | VLDB |
| 9 | 2,406 | Holistic Aggregates in a Networked World: Distributed Tracking of Approximate Quantiles | 2005 | SIGMOD |
| 10 | 9 | Online Aggregation | 1997 | SIGMOD |