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Intelligent Support for Specifications Transformation
November/December 1988 (vol. 5 no. 6)
pp. 28-35

The authors describe an expert system, the Specification-Transformation Expert System (STES), which is to translate requirements specifications into design specifications automatically during the development phase of the software life cycle. STES accepts as input a software-requirements specification expressed in terms of dataflow diagrams. Using rules that embody a structured design methodology, STES translates this specification into a template describing a structure chart. STES consist of a knowledge base and an inference engine. The knowledge base contains information on the structured-design methodology and heuristic guidelines to help determine when certain methods should be applied. Given a target software system's requirements specification, the STES inference engine can perform intelligent decision-making and determine a suitable architectural design specification for the software system being designed. STES was originally implemented in OPS5 on a VAX11/780 computer. It has since been ported to an Apollo DN 3000 workstation and integrated with a commercial CASE tool.

Index Terms:
specifications transformation; expert system; Specification-Transformation Expert System; STES; requirements specifications; design specifications; software life cycle; dataflow diagrams; knowledge base; inference engine; heuristic guidelines; intelligent decision-making; OPS5; VAX11/780; Apollo DN 3000; CASE tool; expert systems; formal specification; inference mechanisms; software tools
Citation:
Jeffrey J.-P. Tsai, Joel C. Ridge, "Intelligent Support for Specifications Transformation," IEEE Software, vol. 5, no. 6, pp. 28-35, Nov.-Dec. 1988, doi:10.1109/52.10001
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