On the joint-effect of class imbalance and overlap: a critical review

MS Santos, PH Abreu, N Japkowicz… - Artificial Intelligence …, 2022 - Springer
Current research on imbalanced data recognises that class imbalance is aggravated by
other data intrinsic characteristics, among which class overlap stands out as one of the most …

On the class overlap problem in imbalanced data classification

P Vuttipittayamongkol, E Elyan, A Petrovski - Knowledge-based systems, 2021 - Elsevier
Class imbalance is an active research area in the machine learning community. However,
existing and recent literature showed that class overlap had a higher negative impact on the …

A hybrid method with dynamic weighted entropy for handling the problem of class imbalance with overlap in credit card fraud detection

Z Li, M Huang, G Liu, C Jiang - Expert Systems with Applications, 2021 - Elsevier
Class imbalance with overlap is a very challenging problem in electronic fraud transaction
detection. Fraudsters have racked their brains to make a fraud transaction as similar as a …

Handling class-imbalance with KNN (neighbourhood) under-sampling for software defect prediction

S Goyal - Artificial Intelligence Review, 2022 - Springer
Abstract Software Defect Prediction (SDP) is highly crucial task in software development
process to forecast about which modules are more prone to errors and faults before the …

Neighbourhood-based undersampling approach for handling imbalanced and overlapped data

P Vuttipittayamongkol, E Elyan - Information Sciences, 2020 - Elsevier
Class imbalanced datasets are common across different domains including health, security,
banking and others. A typical supervised learning algorithm tends to be biased towards the …

A unifying view of class overlap and imbalance: Key concepts, multi-view panorama, and open avenues for research

MS Santos, PH Abreu, N Japkowicz, A Fernández… - Information …, 2023 - Elsevier
The combination of class imbalance and overlap is currently one of the most challenging
issues in machine learning. While seminal work focused on establishing class overlap as a …

Grouping-based oversampling in kernel space for imbalanced data classification

J Ren, Y Wang, Y Cheung, XZ Gao, X Guo - Pattern Recognition, 2023 - Elsevier
The class-imbalanced classification is a difficult problem because not only traditional
classifiers are more biased towards the majority classes and inclined to generate incorrect …

Cost-sensitive ensemble of stacked denoising autoencoders for class imbalance problems in business domain

ML Wong, K Seng, PK Wong - Expert Systems with Applications, 2020 - Elsevier
Standard classification algorithms assume the class distribution of data to be roughly
balanced. Class imbalance problem usually occurs in real-life applications, such as direct …

SVDD-based weighted oversampling technique for imbalanced and overlapped dataset learning

X Tao, Y Zheng, W Chen, X Zhang, L Qi, Z Fan… - Information …, 2022 - Elsevier
Imbalanced dataset classification issue poses a major challenge on machine learning
domain. Traditional supervised learning algorithms usually bias towards the majority class …

Machine learning approaches for biomolecular, biophysical, and biomaterials research

CA Rickert, O Lieleg - Biophysics Reviews, 2022 - pubs.aip.org
A fluent conversation with a virtual assistant, person-tailored news feeds, and deep-fake
images created within seconds—all those things that have been unthinkable for a long time …