Online Aggregation
Summary: Online aggregation replaces batch-only queries with an interactive, progressive interface that exposes progress and lets users steer execution. Introduces random-order output, relative-rate control for aggregates, and running confidence intervals; implemented initially in PostgreSQL. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Joseph M. Hellerstein (University of California Berkeley)
- 2. Peter J. Haas (IBM)
- 3. Helen J. Wang (University of California Berkeley)
BibTeX Citation
@inproceedings{hellerstein_sigmod97,
title = {{Online Aggregation}},
author = {Hellerstein, Joseph M. and Haas, Peter J. and Wang, Helen J.},
series = {{SIGMOD} '97},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/253260.253291},
url = {https://dl.acm.org/doi/10.1145/253260.253291},
year = {1997}
}Incoming Citations (Sorted by Pagerank)
Showing 50 of 210 citing papers.
Outgoing Citations (Sorted by Pagerank)
Showing 11 of 11 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1 | Access Path Selection in a Relational Database Management System | 1979 | SIGMOD | 0.0023948467 |
| 7 | Implementation Techniques For Main Memory Database Systems | 1984 | SIGMOD | 0.00081781676 |
| 58 | Statistical Estimators for Relational Algebra Expressions | 1988 | PODS | 0.00039922419 |
| 83 | Hashing Methods and Relational Algebra Operations | 1984 | VLDB | 0.00035942723 |
| 183 | Processing Aggregate Relational Queries with Hard Time Constraints | 1989 | SIGMOD | 0.00026316699 |
| 204 | Aggregate-Query Processing in Data Warehousing Environments | 1995 | VLDB | 0.0002516936 |
| 213 | Eager Aggregation and Lazy Aggregation | 1995 | VLDB | 0.00024695393 |
| 214 | On the Computation of Multidimensional Aggregates | 1996 | VLDB | 0.00024576033 |
| 492 | Error-Constrained COUNT Query Evaluation in Relational Databases | 1991 | SIGMOD | 0.00017359343 |
| 822 | Query Execution Techniques for Caching Expensive Methods | 1996 | SIGMOD | 0.00013616674 |
| 1,032 | Cost-Based Optimization for Magic: Algebra and Implementation | 1996 | SIGMOD | 0.00012376627 |
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