Song-Kyoo Kim

Optimizing cyberattack frequency forecasting by advanced machine learning adaptation with tumbling windows

Song-Kyoo Kim, Zeqiye Zhan

Advanced electroencephalogram based authentication by adapting machine learning models

Yi Zhao, Song-Kyoo Kim

Machine Learning-Based Data Generative Techniques for Credit Card Fraud-Detection Systems

Xiaomei Feng, Song-Kyoo Kim

This study investigates the pressing issue of credit card fraud in the context of evolving e-commerce platforms and the necessity for improved fraud detection mechanisms. Since the advent of credit cards, the surge in their usage has led to a corresponding increase in fraud rates…Read more

Alternative Gait-Based Identification by Advanced Machine Learning With Compact Data Learning

Yi Zhao, Song-Kyoo Kim

Statistical Data-Generative Machine Learning-Based Credit Card Fraud Detection Systems

Xiaomei Feng, Song-Kyoo Kim

This study addresses the challenges of data imbalance and missing values in credit card transaction datasets by employing mode-based imputation and various machine learning models. We analyzed two distinct datasets: one consisting of European cardholders and the other from Americ…Read more