ABSTRACT
One of the aims of knowledge-based design has been to develop models of reasoning processes based upon experiential knowledge in order to support design processes. Current approaches to design reasoning employ rules and schemas which represent generalized knowledge. These formalisms have been proven efficient in refinement processes in prototypical design. However, such systems do not support reasoning from the specific knowledge which is associated with the designer’s detailed experiences. Experienced designers cite precedents of which the current situation reminds them and adapt previous designs which they recognize, or have worked on. Adaptation is modification of particularized examples to achieve a new design. Cased-based reasoning has been proposed as a model which accommodates reasoning from specific examples (Riesback and Schank, 1989). It has developed adaptation and repair concepts which appear to have relevance for design.
