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The Practical Guide to Business Process Reengineering Using Idefo by Clarence G. Feldmann

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Appendix C. SADT and IDEFO—A Historical Perspective

As mentioned in Chapter 1, Structured Analysis and Design Technique (SADT) is the original and highly rigorous structured analysis approach invented by Douglas T. Ross, then Chairman of SofTech, Inc. First used in the U.S. Air Force’s 1973 AFCAM Project, SADT is the archetype of system blue-printing methods, providing an engineering method for performing and managing requirements definition, functional analysis, and system design.

From its introduction as the architecture method proposed for use in the AFCAM program on computer-aided manufacturing, the structured analysis (SA) modeling language of SADT emphasized both activity and data parts, recognizing the need for definitive modeling of arbitrary ...

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