Using data mining techniques for time estimation in software maintenance Online publication date: Fri, 02-Sep-2011
by Edilson Ferneda, Hércules Antonio Do Prado, Elizabeth d’Arrochella Teixeira, Fábio Bianchi Campos
International Journal of Reasoning-based Intelligent Systems (IJRIS), Vol. 3, No. 2, 2011
Abstract: Measuring and estimating are fundamental activities for the success of any project. In the software maintenance realm the lack of maturity, or even a low level of interest in adopting effective maintenance techniques and related metrics, has been pointed out as an important cause for the high costs involved. In this paper, data mining techniques are applied to provide a sound estimation for the time required to accomplish a maintenance task. Based on real-world data regarding maintenance requests, some regression models are built to predict the time required for each maintenance. Data on the team skill and the maintenance characteristics are mapped into values that predict better time estimations in comparison to the one predicted by the human expert. A particular finding from this research is that the time prediction provided by a human expert works as an inductive bias that improves the overall prediction accuracy of the models.
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