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Defect rate profile in large software-systems

: Modroiu, E.-R.; Schieferdecker, I.

Tyugu, E.:
Knowledge-based software engineering. Proceedings of the Seventh Joint Conference on Knowledge-Based Software Engingeering 2006 : 28-31.08.2006, Tallinn
Amsterdam: IOS Press, 2006 (Frontiers in Artificial Intelligence and Applications 140)
ISBN: 1-586-03640-8
ISSN: 0922-6389
Joint Conference on Knowledge-Based Software Engineering (JCKBSE) <7, 2006, Tallinn>
Conference Paper
Fraunhofer FOKUS ()

Software reliability, an issue raised long time ago by software engineering researchers, is still a problem that must be faced nowadays. Our approach is to handle reliability of software products making use of a statistical distribution based model and historical data of similar projects. We analyze the software error metrics of large software projects developed in a multinational company in the last five years, searching for a Rayleigh pattern in the defect rate profile. If we can prove empirically such a pattern exists in certain environment, we have a rapid and powerful theoretical model to support project estimation decisions early in the development life cycle when historical data on similar projects is available.