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• W2954327103 abstract "Code smells represent poor implementation choices performed by developers when enhancing source code. Their negative impact on source code maintainability and comprehensibility has been widely shown in the past and several techniques to automatically detect them have been devised. Most of these techniques are based on heuristics, namely they compute a set of code metrics and combine them by creating detection rules; while they have a reasonable accuracy, a recent trend is represented by the use of machine learning where code metrics are used as predictors of the smelliness of code artefacts. Despite the recent advances in the field, there is still a noticeable lack of knowledge of whether machine learning can actually be more accurate than traditional heuristic-based approaches. To fill this gap, in this paper we propose a large-scale study to empirically compare the performance of heuristic-based and machine-learning-based techniques for metric-based code smell detection. We consider five code smell types and compare machine learning models with DECOR, a state-of-the-art heuristic-based approach. Key findings emphasize the need of further research aimed at improving the effectiveness of both machine learning and heuristic approaches for code smell detection: while DECOR generally achieves better performance than a machine learning baseline, its precision is still too low to make it usable in practice." @default.
• W2954327103 created "2019-07-12" @default.
• W2954327103 creator A5021041082 @default.
• W2954327103 creator A5026071200 @default.
• W2954327103 creator A5033738898 @default.
• W2954327103 creator A5072127726 @default.
• W2954327103 date "2019-05-01" @default.
• W2954327103 modified "2023-10-06" @default.
• W2954327103 title "Comparing Heuristic and Machine Learning Approaches for Metric-Based Code Smell Detection" @default.
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• W2954327103 doi "https://doi.org/10.1109/icpc.2019.00023" @default.
• W2954327103 hasPublicationYear "2019" @default.
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