Very Large Data Bases · 1976 · 58 citations · 9 references
ComputingComputer ScienceDatabasesKnowledge RepresentationSet TheoryConceptual ModelingData ModelingInformation ModelingKnowledge TaxonomiesModel TheoryTaxonomyAbstraction LevelsConceptual Graph TheoryData Modeling LanguagesData SemanticsGraph Data ModelingGraph-based Knowledge ModelingGraph-based ModelingSemantic Models
This paper classifies a collection of conceptual data models within a taxonomy framework consisting of the following parameters: graph theoretic versus set theoretic models, mathematical foundations, terminology, and semantic levels of abstraction.
9
A relational model of data for large shared data banks
E. F. Codd · Communications of the ACM · 1983 · 4.8K citations
Donald D. Chamberlin, Raymond F. Boyce · 1976 · 579 citations
On the semantics of the relational data model
Hans Albrecht Schmid, J. R. Swenson · 1975 · 144 citations
Specifying queries as relational expressions
Raymond F. Boyce, Donald D. Chamberlin, William F. King et al. · Communications of the ACM · 1975 · 100 citations · Full text
Using semantic networks for data base management
N. Roussopoulos, John Mylopoulos · 1975 · 85 citations