activity
20172023
most citedAnalysis of group evolution prediction in complex networks

17 citations · 34 across the 8 of their papers we have counts for

collaborators

10 papers

cs.LG2023★ 4 cited

ChiENN: Embracing Molecular Chirality with Graph Neural Networks

Piotr Gaiński, Michał Koziarski, Jacek Tabor +1

Graph Neural Networks (GNNs) play a fundamental role in many deep learning problems, in particular in cheminformatics. However, typical GNNs cannot capture the concept of chirality…

cs.LG2021

Imbalanced data preprocessing techniques utilizing local data characteristics

Michał Koziarski

Data imbalance, that is the disproportion between the number of training observations coming from different classes, remains one of the most significant challenges affecting contem…

cs.LG2021

RB-CCR: Radial-Based Combined Cleaning and Resampling algorithm for imbalanced data classification

Michał Koziarski, Colin Bellinger, Michał Woźniak

Real-world classification domains, such as medicine, health and safety, and finance, often exhibit imbalanced class priors and have asynchronous misclassification costs. In such ca…

eess.IV2021★ 12 cited

DiagSet: a dataset for prostate cancer histopathological image classification

Michał Koziarski, Bogusław Cyganek, Przemysław Niedziela +8

Cancer diseases constitute one of the most significant societal challenges. In this paper, we introduce a novel histopathological dataset for prostate cancer detection. The propose…

cs.LG2021

Potential Anchoring for imbalanced data classification

Michał Koziarski

Data imbalance remains one of the factors negatively affecting the performance of contemporary machine learning algorithms. One of the most common approaches to reducing the negati…

cs.LG2020★ 1 cited

Combined Cleaning and Resampling Algorithm for Multi-Class Imbalanced Data with Label Noise

Michał Koziarski, Michał Woźniak, Bartosz Krawczyk

The imbalanced data classification is one of the most crucial tasks facing modern data analysis. Especially when combined with other difficulty factors, such as the presence of noi…

cs.LG2020

CSMOUTE: Combined Synthetic Oversampling and Undersampling Technique for Imbalanced Data Classification

Michał Koziarski

In this paper we propose a novel data-level algorithm for handling data imbalance in the classification task, Synthetic Majority Undersampling Technique (SMUTE). SMUTE leverages th…

cs.LG2020

Two-Stage Resampling for Convolutional Neural Network Training in the Imbalanced Colorectal Cancer Image Classification

Michał Koziarski

Data imbalance remains one of the open challenges in the contemporary machine learning. It is especially prevalent in case of medical data, such as histopathological images. Tradit…

cs.LG2019

Radial-Based Undersampling for Imbalanced Data Classification

Michał Koziarski

Data imbalance remains one of the most widespread problems affecting contemporary machine learning. The negative effect data imbalance can have on the traditional learning algorith…

cs.SI2017★ 17 cited

Analysis of group evolution prediction in complex networks

Stanisław Saganowski, Piotr Bródka, Michał Koziarski +1

In the world, in which acceptance and the identification with social communities are highly desired, the ability to predict evolution of groups over time appears to be a vital but…