Incorporating Hierarchy in a Relational Model of Data
Summary: Extends the relational model to allow classes as attribute values, enabling object hierarchies. Supports inheritance, including multiple inheritance with exceptions, with class and instance facts treated as first-class, upward-compatible with the standard relational model. (summarized by gpt-5-nano on Feb 09 2026)
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Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 255 | Efficient Management of Transitive Relationships in Large Data and Knowledge Bases | 1989 | SIGMOD | 0.00030342925 |
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Outgoing Citations (Sorted by Pagerank)
Showing 3 of 3 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 982 | The POSTGRES Data Model | 1987 | VLDB | 0.00014865769 |
| 1,560 | An Abstract Introduction To The Temporal-Hierarchic Data Model (Thm) | 1983 | VLDB | 0.00011358904 |
| 3,847 | Modeling Class Hierarchies with Contradictions | 1988 | SIGMOD | 6.700212e-05 |
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