Abstract
Mitsubishi Electric Information Systems Corporation is promoting the continuous process improvements using CMM models for the purpose of providing high quality solutions with which customers are satisfied, and now, some business groups have achieved maturity level 3 and are aiming for level 5. But measuring, providing and utilizing the performance data of past successful projects were found to be insufficient for securely performing the quantitative project management of maturity level 4. This article presents the introduction and the practical usage of the Process Performance Baseline (PPB) Providing System which was built for supporting the creation and analysis of PPB from the performances of past successful projects in order to realize the improvement of the accuracy of estimation and planning.
