System design with Ada
Abstraction-based software development
Communications of the ACM
Abstraction and specification in program development
Abstraction and specification in program development
A unified methodology for developing systems
A unified methodology for developing systems
Software engineering concepts
Software system documentation process maturity model
CSC '93 Proceedings of the 1993 ACM conference on Computer science
Ultra-structure: a design theory for complex systems and processes
Communications of the ACM
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In 1978, a software cost reduction program was initiated with the goal of applying modern design and documentation principles to the development of large systems. The results of this effort have been documented in several research papers published by D. Parnas et al. (1983). The author extends that approach by updating the methodology based on lessons learned during the application of the concepts to the development of a computer-based training system. An engineering life-cycle which provides more visibility to maintenance concerns is described, and the lessons learned during its implementation are discussed. A summary provides the author's impressions of the methodology and its potential to reduce system maintenance costs.