A Bayesian Belief Network for Assessing the Likelihood of Fault Content

  • Authors:
  • Sousuke Amasaki;Yasunari Takagi;Osamu Mizuno;Tohru Kikuno

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ISSRE '03 Proceedings of the 14th International Symposium on Software Reliability Engineering
  • Year:
  • 2003

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Abstract

To predict software quality, we must consider variousfactors because software development consists of variousactivities, which the software reliability growth model(SRGM) does not consider.In this paper, we propose a model to predict the finalquality of a software product by using the Bayesian beliefnetwork (BBN) model. By using the BBN, we can constructa prediction model that focuses on the structure of the softwaredevelopment process explicitly representing complexrelationships between metrics, and handling uncertain metrics,such as residual faults in the software products. Inorder to evaluate the constructed model, we perform anempirical experiment based on the metrics data collectedfrom development projects in a certain company. As a resultof the empirical evaluation, we confirm that the proposedmodel can predict the amount of residual faults thatthe SRGM cannot handle.