Authors: Robert C. Goldstein, Veda C. Storey
Tags: 1992, conceptual modeling
Is~a relationships are widely recognized as conveying important information for database design. Although these relationships are implicitly hierarchical in nature, it is not uncommoti to find collections of is-a relatiotiships that form nonhierarchical structures. This paper formally defines is-a structures and classifies and interprets them. It illustrates how is-a structures can be used to identify possible database design errors or inefficiencies and to produce a database design that incorporates more ofthe semantics of an application.Read the full paper here: https://www.informs.org/Publications/INFORMS-Journals/Information-Systems-Research
