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 |
|---|---|---|---|---|
| 594 | Wander Join: Online Aggregation via Random Walks | 2016 | SIGMOD | 0.00015814493 |
| 793 | Random Sampling over Joins Revisited | 2018 | SIGMOD | 0.00013903938 |
| 1,022 | Online Aggregation for Large MapReduce Jobs | 2011 | VLDB | 0.00012400958 |
| 1,721 | A Sample-and-Clean Framework for Fast and Accurate Query Processing on Dirty Data | 2014 | SIGMOD | 9.7821782e-05 |
| 3,092 | Continuous Sampling for Online Aggregation Over Multiple Queries | 2010 | SIGMOD | 7.638249e-05 |
| 4,815 | Error-bounded Sampling for Analytics on Big Sparse Data | 2014 | VLDB | 6.3890155e-05 |
| 9,608 | A Step Toward Deep Online Aggregation | 2023 | SIGMOD | 5.1376962e-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 | 0.00076079812 |
| 135 | Ripple Joins for Online Aggregation | 1999 | SIGMOD | 0.00029805026 |
| 138 | Join Synopses for Approximate Query Answering | 1999 | SIGMOD | 0.00029532435 |
| 575 | Querying the Internet with PIER | 2003 | VLDB | 0.0001613973 |
| 4,236 | A Disk-Based Join With Probabilistic Guarantees* | 2005 | SIGMOD | 6.7028998e-05 |
| 5,279 | Online Feedback for Nested Aggregate Queries with Multi-Threading | 1999 | VLDB | 6.1848178e-05 |
| 8,851 | Just-In-Time Query Retrieval Over Partially Indexed Data on Structured P2P Overlays | 2008 | SIGMOD | 5.2489348e-05 |
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