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Authors: Andrada-Mihaela-Nicoleta Moldovan and Andreea Vescan

Affiliation: Computer Science Department, Faculty of Mathematics and Computer Science, Babeş-Bolyai University, Cluj-Napoca, Romania

Keyword(s): Outlier Detection, Anomaly Detection, Software Defect Prediction.

Abstract: Regression testing becomes expensive in terms of time when changes are often made. In order to simplify testing, supervised/unsupervised binary classification Software Defect Prediction (SDP) techniques may rule out non-defective components or highlight those components that are most prone to defects. In this paper, outlier detection methods for SDP are investigated. The novelty of this approach is that it was not previously used for this particular task. Two approaches are implemented, namely, simple use of the local outlier factor based on connectivity (Connectivity-based Outlier Factor, COF), respectively, improving it by the Pareto rule (which means that we consider samples with the 20% highest outlier score resulting from the algorithm as outliers), COF + Pareto. The solutions were evaluated in 12 projects from NASA and PROMISE datasets. The results obtained are comparable to state-of-the-art solutions, for some projects, the results range from acceptable to good, compa red to the results of other studies. (More)

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Paper citation in several formats:
Moldovan, A.-M.-N. and Vescan, A. (2024). Outlier Detection Through Connectivity-Based Outlier Factor for Software Defect Prediction. In Proceedings of the 19th International Conference on Evaluation of Novel Approaches to Software Engineering - ENASE; ISBN 978-989-758-696-5; ISSN 2184-4895, SciTePress, pages 474-483. DOI: 10.5220/0012683400003687

@conference{enase24,
author={Andrada{-}Mihaela{-}Nicoleta Moldovan and Andreea Vescan},
title={Outlier Detection Through Connectivity-Based Outlier Factor for Software Defect Prediction},
booktitle={Proceedings of the 19th International Conference on Evaluation of Novel Approaches to Software Engineering - ENASE},
year={2024},
pages={474-483},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012683400003687},
isbn={978-989-758-696-5},
issn={2184-4895},
}

TY - CONF

JO - Proceedings of the 19th International Conference on Evaluation of Novel Approaches to Software Engineering - ENASE
TI - Outlier Detection Through Connectivity-Based Outlier Factor for Software Defect Prediction
SN - 978-989-758-696-5
IS - 2184-4895
AU - Moldovan, A.
AU - Vescan, A.
PY - 2024
SP - 474
EP - 483
DO - 10.5220/0012683400003687
PB - SciTePress