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Representing Design Dependencies in an Issue-Based Style
July/August 1991 (vol. 8 no. 4)
pp. 81-89

A system that superimposes the issue-based and truth-maintenance approaches to provide a merged capability for recording design rationale is presented. The system presents the user with issue-based structures that can be annotated with informal information, and it provides an automated inferencing capability on those structures through an underlying truth-maintenance and expert system. The underlying truth-maintenance system lets the user carry out what-if analyses by choosing different resolutions to design issues, and it graphically shows the propagation of belief status among the components of an issue-based system's style of display. A browser implementation of the merged issue-based and truth-maintenance dependency structures is described. The system is implemented on a locally developed Common Lisp graphical environment and includes a powerful and customizable generic browser.

Index Terms:
design dependencies; truth-maintenance approaches; design rationale; issue-based structures; automated inferencing capability; expert system; Common Lisp graphical environment; generic browser; expert systems; inference mechanisms; LISP
Mitchell D. Lubars, "Representing Design Dependencies in an Issue-Based Style," IEEE Software, vol. 8, no. 4, pp. 81-89, July-Aug. 1991, doi:10.1109/52.300042
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