Variable Independence and Aggregation Closure
Summary: Introduce variable independence, a schema restriction (generalizing classical relational assumptions) that ensures closure of constraint-database languages under aggregation. Show for linear constraint databases that area and higher-dimensional aggregates fit this closed relational-algebra fragment. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. J. Chomicki (Monmouth University)
- 2. D. Q. Goldin (Brown University)
- 3. G. M. Kuper (European Computer-Industry Research Center)
BibTeX Citation
@inproceedings{chomicki_pods96,
address = {New York, NY, USA},
series = {{PODS} '96},
title = {{Variable Independence and Aggregation Closure}},
url = {https://dl.acm.org/doi/10.1145/237661.237673},
doi = {10.1145/237661.237673},
booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
publisher = {Association for Computing Machinery},
author = {Chomicki, J. and Goldin, D. Q. and Kuper, G. M.},
year = {1996}
}
Incoming Citations (Sorted by Pagerank)
Showing 3 of 3 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,203 | An Expressive Language for Linear Spatial Database Queries (extended abstract) | 1998 | PODS | 6.8354052e-05 |
| 4,543 | Exact and Approximate Aggregation in Constraint Query Languages | 1999 | PODS | 6.6388258e-05 |
| 5,941 | Point vs. Interval-based Query Languages for Temporal Databases (Extended Abstract) | 1996 | PODS | 6.0336114e-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 |
|---|---|---|---|---|
| 889 | Constraint Programming and Database Languages: A Tutorial | 1995 | PODS | 0.00013398105 |
| 1,473 | Towards a Theory of Spatial Database Queries (Extended Abstract) | 1994 | PODS | 0.0001066845 |
| 2,111 | Querying Constraints | 1990 | PODS | 9.1515689e-05 |
| 4,002 | Monotonic Aggregation in Deductive Databases | 1992 | PODS | 6.9661579e-05 |
| 5,046 | Toward Practical Constraint Databases | 1993 | VLDB | 6.3879316e-05 |
| 5,111 | The Well-Founded Semantics of Aggregation (Extended Abstract) | 1992 | PODS | 6.3602348e-05 |
| 5,912 | Separability of Polyhedra for Optimal Filtering of Spatial and Constraint Data | 1995 | PODS | 6.0442093e-05 |
| 5,948 | Measuring Infinite Relations (Extended Abstract) | 1995 | PODS | 6.0317886e-05 |
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