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)

Paper ID: 2070
Venue: SIGMOD
Year: 1978
Pagerank: 0.00010694967
Overall Rank: 1,743 | 87.89%
DOI: -

Incoming Non-self Citations Over Time

Authors

1. Ronald M. Lee
2. Rob Gerritsen

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
1,224	Improving Semantic Specification in a Relational Database	1979	SIGMOD	0.00013185926
12,993	A Database Design for Musical Information	1987	SIGMOD	4.1905499e-05

Outgoing Citations (Sorted by Pagerank)

Showing 0 of 0 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank

Semantically Similar Papers

Overall Rank	Paper	Year	Venue	Pagerank
2,392	Processing Queries Over Generalization Hierarchies in a Multidatabase System	1983	VLDB	8.8934863e-05
3,631	A Semantics for Complex Objects and Approximate Queries	1988	PODS	6.8976535e-05
14,259	Using Design Axioms and Topology to Model Database Semantics	1987	VLDB	-
12,955	A Deductive Method for Entity-Relationship Modeling (Extended Abstract)	1989	VLDB	4.1905499e-05
3,847	Modeling Class Hierarchies with Contradictions	1988	SIGMOD	6.700212e-05
4,857	The Well-Founded Semantics of Aggregation (Extended Abstract)	1992	PODS	5.8684162e-05
1,224	Improving Semantic Specification in a Relational Database	1979	SIGMOD	0.00013185926
12,789	On Genericity and Parametricity	1996	PODS	4.1905499e-05
12,964	A Framework for Comparison of Update Semantics (Extended Abstract)	1988	PODS	4.1905499e-05
3,334	A Grammar-Based Approach Towards Unifying Hierarchical Data Models (extended abstract)	1989	SIGMOD	7.2024301e-05