Year: 2009
Issue: October - December
Title: Empirical Evaluation of Defect Prediction Model - ODC in a Portal Server
Author Name: P. Kabilan, K. Iyakutti
Synopsis:
In software project management, there are three major factors to predict and control; size, effort, and quality. Much software engineering work has focused on these. When it comes to software quality, there are various possible quality characteristics of software, but in practice, quality management frequently revolves around defects, and delivered defect density has become the current de facto industry standard. Thus, research related to software quality has been focused on modeling residual defects in software in order to estimate software reliability. Currently, software engineering literature still does not have a complete defect prediction for a software product although much work has been performed to predict software quality. On the other side, the number of defects alone cannot be sufficient information to provide the basis for planning quality assurance activities and assessing them during execution. That is, for project management to be improved, we need to predict other possible information about software quality such as in-process defects, their types, and so on. In this paper, we propose a new approach for predicting the distribution of defects and their types based on project characteristics in the early phase. This paper explores Orthogonal Defect Classification that combines the statistical approach and semantics of the test data. As a case, we integrated ODC in development and test environment in a web portal and realized improvement in Quality.
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