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The Computer Journal 1991 34(3):215-224; doi:10.1093/comjnl/34.3.215
© 1991 by British Computer Society
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Design Approaches: A Comparative Study of Information System Design and Architectural Design

A. Olerup *

Lund University, Dept of Information and Computer Science, Solvegatan 14a, S-223 62 Lund, Sweden

In this paper two approaches to design are compared, namely those proposed by Langefors and Alexander. The Langeforsian approach aims to introduce effective methods for information system design and to utilise the potential of computers and information technology in controlling organisations and improving their performance. The aim of Alexander's approach is to improve architectural design by bridging the gap between designer and users. Both approaches have given important contributions to design in their fields. In both approaches graphs and matrices are important tools. Also, procedures for finding subsystems and components are put forward in both approaches, and the process of design is subdivided. The two approaches are different with regard to requirements definitions, in the Langeforsian approach goals are crucial, while misfits are focussed in Alexander's approach. The notions of goals and misfits are examined. Finally, systems-fit approaches to information system design are discussed.

Received June 1989. revised November 1989.

* Lund University, Dept of Information and Computer Science, Solvegatan 14a, S-223 62 Lund, Sweden


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