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Thinking with Diagrams
    Thiking with Diagrams Interdisciplinary Workshop January 9-10, Portsmouth 1997
    The paper discusses the use of freehand diagrams in architectural design. It examines the roles of diagrams in various contexts: pedagogical books, design studies, designers? introspective accounts and empirical studies of drawing in design. It offers several examples of thinking with diagrams in design and concludes with a discussion of the requirements for computational support for the diagrams in design thinking.
Thinking with Diagrams in Architectural Design - pdf
Ellen Yi-Luen Do, Mark D Gross
Artificial Intelligence Review Volume 15, Issue 1/2 March 2001 Kluwer, pp 135-149