Author(s)

M.F. Chester & M. O'Brien

Abstract

The concept of value chains is extended and modified to refer not to the value added processes of a manufactured product, but to the quality added during the manufacture of that product. In addition to the term quality added, the metaphor of quality chains is introduced. The paper maintains that every phase of software development that occurs before the product is actually built can only be justified if quality is added to the product by that phase; and that by adding quality, the quality chain is made strong enough to support the system. Introduction The only manufacturing that takes place in software development is the generation of the program code, the linking together of p

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