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Reaching an agreement on COTS quality through the use of quality models

Abstract:

It is difficult to reach to an agreement on how to measure software quality. It has been argued that one of the reasons for this is that quality is a complex concept, for which a universal definition does not exist. Quality means different things to different people, thus it is highly subjective and context-dependant. Kitchenham (1989) stated that quality is "hard to define, impossible to measure, easy to recognize". Gilles (1997) stated quality is "generally transparent when present, but easily recognized in its absence". Both of these statements imply that quality is somehow perceptible. Thus, the problem is not quality being subjective, but how to correlate the different views on quality into a measurable quality framework, which can be commonly agreeable at least in some context (e.g., a domain of knowledge, an organization, a project, etc.). Software quality models help in this purpose: they can be used as a base to define a …