Flexible Relations - Operational Support of Variant Relational Structures
Summary: Flexible relations extend the relational model to represent and query arbitrary heterogeneous/variant structures with a single relational constructor, integrating modeling and operations. The paper defines their algebra and identifies an efficiently processable subclass with strong normal forms, exceeding OO models in expressiveness and optimization potential. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Christian Kalus (University of Ulm)
- 2. Peter Dadam (University of Ulm)
BibTeX Citation
@article{kalus_vldb95,
title = {{Flexible Relations - Operational Support of Variant Relational Structures}},
author = {Kalus, Christian and Dadam, Peter},
journal = {PVLDB},
series = {{VLDB} '95},
pages = {539},
year = {1995}
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 413 | Relative Information Capacity of Simple Relational Database Schemata | 1984 | PODS | 0.00018894294 |
| 421 | The Format Model: A Theory of Database Organization (extended abstract) | 1982 | PODS | 0.00018742219 |
| 740 | O2, an Object-Oriented Data Model | 1988 | SIGMOD | 0.00014482241 |
| 2,628 | Gral: An Extensible Relational Database System for Geometric Applications | 1989 | VLDB | 8.326647e-05 |
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