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Model-based software estimation uses algorithms and past project data to make predictions for new projects. This paper presents a comparative assessment of four modeling approaches, including the original COCOMO, COCOMO calibration, k-Nearest Neighbors, and a combination of COCOMO calibration and k-Nearest Neighbors. Our results indicate that using kNN to select the nearest projects and calibrating...
In programming courses, students are often asked to work in groups to write multiple programs. The existing Integrated Development Environments (IDE), however, do not encourage concurrent interactions among student programmers. Students often encounter difficulties in collaborative activities, sharing resources, reviewing code and discussing ideas, especially when the group cannot reach a common arrangement...
We present an evolutionary approach using genetic programming (GP) to automatically create software repairs. By concentrating the modifications on regions related to where the bug occurs, we effectively minimize the search space complexity and hence increase the performance of the GP process. To preserve the core functionalities of the program, we evolve programs only from code in the original program...
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