Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
John A. Bradshaw, Richard M. Young. Evaluating Design Using Knowledge of Purpose and Knowledge of Structure. IEEE Intelligent Systems, 6(2):33-40, 1991. [doi]
Abstract is missing.