Extended Semantics for Generalization Hierarchies
Summary: Extends generalization hierarchies with richer semantics; treats a collection of generalizations as a single unit. Hybrid representation: graphical network meets predicate-calculus formalism to express extended semantics. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Ronald M. Lee (University of Pennsylvania)
- 2. Rob Gerritsen (University of Pennsylvania)
BibTeX Citation
@inproceedings{lee_sigmod78,
title = {{Extended Semantics for Generalization Hierarchies}},
author = {Lee, Ronald M. and Gerritsen, Rob},
series = {{SIGMOD} '78},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/509252.509263},
url = {https://dl.acm.org/doi/10.1145/509252.509263},
year = {1978}
}Incoming Citations (Sorted by Pagerank)
Showing 2 of 2 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,712 | Improving Semantic Specification in a Relational Database | 1979 | SIGMOD | 8.2127746e-05 |
| 13,180 | A Database Design for Musical Information | 1987 | SIGMOD | 5.093636e-05 |
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Outgoing Citations (Sorted by Pagerank)
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
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Semantically Similar Papers
| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 2,577 | Processing Queries Over Generalization Hierarchies in a Multidatabase System | 1983 | VLDB |
| 2 | 4,491 | A Semantics for Complex Objects and Approximate Queries | 1988 | PODS |
| 3 | 14,445 | Using Design Axioms and Topology to Model Database Semantics | 1987 | VLDB |
| 4 | 13,140 | A Deductive Method for Entity-Relationship Modeling (Extended Abstract) | 1989 | VLDB |
| 5 | 4,342 | Modeling Class Hierarchies with Contradictions | 1988 | SIGMOD |
| 6 | 5,111 | The Well-Founded Semantics of Aggregation (Extended Abstract) | 1992 | PODS |
| 7 | 2,712 | Improving Semantic Specification in a Relational Database | 1979 | SIGMOD |
| 8 | 12,974 | On Genericity and Parametricity | 1996 | PODS |
| 9 | 13,149 | A Framework for Comparison of Update Semantics (Extended Abstract) | 1988 | PODS |
| 10 | 4,899 | A Grammar-Based Approach Towards Unifying Hierarchical Data Models (extended abstract) | 1989 | SIGMOD |