A systematic study of online class imbalance learning with concept drift

S Wang, LL Minku, X Yao - IEEE transactions on neural …, 2018‏ - ieeexplore.ieee.org
As an emerging research topic, online class imbalance learning often combines the
challenges of both class imbalance and concept drift. It deals with data streams having very …

Systematic review of class imbalance problems in manufacturing

A de Giorgio, G Cola, L Wang - Journal of Manufacturing Systems, 2023‏ - Elsevier
Class imbalance (CI) is a well-known problem in data science. Nowadays, it is affecting the
data modeling of many of the real-world processes that are being digitized. The …

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 …

[PDF][PDF] Classification with class imbalance problem

A Ali, SM Shamsuddin, AL Ralescu - Int. J. Advance Soft Compu …, 2013‏ - researchgate.net
Most existing classification approaches assume the underlying training set is evenly
distributed. In class imbalanced classification, the training set for one class (majority) far …

What makes multi-class imbalanced problems difficult? An experimental study

M Lango, J Stefanowski - Expert Systems with Applications, 2022‏ - Elsevier
Multi-class imbalanced classification is more difficult and less frequently studied than its
binary counterpart. Moreover, research on the causes of the difficulty of multi-class …

Application of gradient boosting algorithms for anti-money laundering in cryptocurrencies

D Vassallo, V Vella, J Ellul - SN Computer Science, 2021‏ - Springer
The recent emergence of cryptocurrencies has added another layer of complexity in the fight
towards financial crime. Cryptocurrencies require no central authority and offer pseudo …

Evolving diverse ensembles using genetic programming for classification with unbalanced data

U Bhowan, M Johnston, M Zhang… - IEEE Transactions on …, 2012‏ - ieeexplore.ieee.org
In classification, machine learning algorithms can suffer a performance bias when data sets
are unbalanced. Data sets are unbalanced when at least one class is represented by only a …

Leveraging class balancing techniques to alleviate algorithmic bias for predictive tasks in education

L Sha, M Raković, A Das, D Gašević… - IEEE Transactions on …, 2022‏ - ieeexplore.ieee.org
Predictive modeling is a core technique used in tackling various tasks in learning analytics
research, eg, classifying educational forum posts, predicting learning performance, and …

Dealing with data difficulty factors while learning from imbalanced data

J Stefanowski - Challenges in computational statistics and data mining, 2015‏ - Springer
Learning from imbalanced data is still one of challenging tasks in machine learning and data
mining. We discuss the following data difficulty factors which deteriorate classification …

When is undersampling effective in unbalanced classification tasks?

A Dal Pozzolo, O Caelen, G Bontempi - Joint european conference on …, 2015‏ - Springer
A well-known rule of thumb in unbalanced classification recommends the rebalancing
(typically by resampling) of the classes before proceeding with the learning of the classifier …