TR052: A Primitive-Composite Approach for Structural Data Modeling

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Abstract/Contents

Abstract: Accurate, efficient data exchange is vital to improving productivity in the architecture-engineering-construction industry. Much of the current work in data exchange is focused on the development of data exchange standards. In examining the data models in those standards and other efforts, we have identified a number of problem areas, including overuse of aggregation hierarchies, nonhomogeneous characterization hierarchies, and replacing relationships with subclasses. To support easy exchange of data between engineering computer applications while avoiding the data modelling pitfalls, we have developed the primitive-composite approach. The P-C approach provides a methodology for defining the primitive data concepts of a domain as separate objects and for assembling those concepts to form the composite abstractions that engineers customarily use. By relating composite objects from multiple programs to the primitive concepts, the data in those programs can be shared as primitive concepts derived from one program's composite object and reassembled as another program's composite object without having to provide a direct mapping between those two programs. The paper presents a formal definition of the primitive-composite approach and explores its application in structural engineering.

Type of resource	text
Date created	July 1991

Subject	CIFE
Subject	Center for Integrated Facility Engineering
Subject	Stanford University
Subject	Data Exchange
Subject	Primitive-Composite Approach
Genre	Technical report

Location	https://purl.stanford.edu/zs966dx9919

Use and reproduction: User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

Preferred Citation: Howard, H. Craig and Abdalla, Jamal A. and Phan, D. H. Douglas. (1991). TR052: A Primitive-Composite Approach for Structural Data Modeling. Stanford Digital Repository. Available at: http://purl.stanford.edu/zs966dx9919

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