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© IRL Press

The application of SSADM to modelling the logical structure of proteins

José Saldanha and Jonathan Eccles 1

MRC Collaborative Centre 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD
1Department of Computer Science, Birkbeck College, University of London Malet Street, London WCIE 7HX, UK

A logical design that describes the overall structure of proteins, together with a more detailed design describing secondary and some supersecondary structures, has been constructed using the computer-aided software engineering (CASE) tool, Auto-mate. Auto-mate embodies the philosophy of the Structured Systems Analysis and Design Method (SSADM) which enables the logical design of computer systems. Our design will facilitate the building of large information systems, such as databases and knowledgebases in the field of protein structure, by the derivation of system requirements from our logical model prior to producing the final physical system. In addition, the study has highlighted the ease of employing SSADM as a formalism in which to conduct the transferral of concepts from an expert into a design for a knowledge-based system that can be implemented on a computer (the knowledge-engineering exercise). It has been demonstrated how SSADM techniques may be extended for the purpose of modelling the constituted Prolog rules. This facilitates the integration of the logical system design model with the derived knowledge-based system.

Received on March 20, 1991; accepted on April 2, 1991

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