Evolutionary undersampling boosting for imbalanced classification of breast cancer malignancy

B Krawczyk, M Galar, Ł Jeleń, F Herrera - Applied Soft Computing, 2016 - Elsevier
In this paper, we propose a complete, fully automatic and efficient clinical decision support
system for breast cancer malignancy grading. The estimation of the level of a cancer …

Clustering-based ensembles for one-class classification

B Krawczyk, M Woźniak, B Cyganek - Information sciences, 2014 - Elsevier
This paper presents a novel multi-class classifier based on weighted one-class support
vector machines (OCSVM) operating in the clustered feature space. We show that splitting …

Android based malware detection using a multifeature collaborative decision fusion approach

S Sheen, R Anitha, V Natarajan - Neurocomputing, 2015 - Elsevier
Smart mobile device usage has expanded at a very high rate all over the world. Since the
mobile devices nowadays are used for a wide variety of application areas like personal …

Dynamic ensemble selection for multi-class classification with one-class classifiers

B Krawczyk, M Galar, M Woźniak, H Bustince… - Pattern Recognition, 2018 - Elsevier
In this paper we deal with the problem of addressing multi-class problems with
decomposition strategies. Based on the divide-and-conquer principle, a multi-class problem …

One-class classifiers with incremental learning and forgetting for data streams with concept drift

B Krawczyk, M Woźniak - Soft Computing, 2015 - Springer
One of the most important challenges for machine learning community is to develop efficient
classifiers which are able to cope with data streams, especially with the presence of the so …

A weighted one-class support vector machine

F Zhu, J Yang, C Gao, S Xu, N Ye, T Yin - Neurocomputing, 2016 - Elsevier
The standard one-class support vector machine (OC-SVM) is sensitive to noises, since every
instance is equally treated. To address this problem, the weighted one-class support vector …

Maximizing diversity by transformed ensemble learning

S Mao, JW Chen, L Jiao, S Gou, R Wang - Applied Soft Computing, 2019 - Elsevier
The diversity and the individual accuracies in an ensemble system are usually two opposite
objects, which is ignored in most preliminary ensemble learning algorithms. To alleviate this …

One-class classifier ensemble pruning and weighting with firefly algorithm

B Krawczyk - Neurocomputing, 2015 - Elsevier
This paper introduces a novel technique for forming efficient one-class classifier ensembles.
It combines an ensemble pruning algorithm with weighted classifier fusion module. The …

Distributed one-class support vector machine

E Castillo, D Peteiro-Barral, BG Berdiñas… - … journal of neural …, 2015 - World Scientific
This paper presents a novel distributed one-class classification approach based on an
extension of the ν-SVM method, thus permitting its application to Big Data data sets. In our …

Coping with imbalanced data problem in digital mapping of soil classes

A Sharififar, F Sarmadian - European Journal of Soil Science, 2023 - Wiley Online Library
An unsolved problem in the digital mapping of categorical soil variables and soil types is the
imbalanced number of observations, which leads to reduced accuracy and the loss of the …