Author

R. Anggraini

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Open access Oct 2026

Multi-Stage Knowledge Injection for Mathematical Problem-Solving in Large Language Models

Large Language Models (LLMs) have recently demonstrated remarkable capabilities across a wide range of domains, including education, programming, and scientific problem-solving. However, mathematical problem-solving remains challenging because LLMs often generate logically inconsistent solutions and are susceptible to...

Imam Fadhkur Rokhim, Diana Purwitasari, R. Anggraini et al. · Engineering, Technology &amp... · 0 citations

Open access Aug 2026

Weight-Based Oversampling and Overlapping Data Modification for Imbalanced Student Dropout Prediction

Predicting student dropout in higher education is challenging due to class imbalance and class overlap, particularly in multiclass classification. This study presents a hybrid method that combines weight-based oversampling and energy-based cleaning to address class imbalance and class overlap. The method generates synt...

Rahmad Hidayat, Diana Purwitasari, Ahmad Saikhu et al. · Engineering, Technology &amp... · 0 citations

Open access Aug 2026

Comparative Evaluation of Machine Learning and Ensemble Learning with Synthetic Minority Oversampling and Random Undersampling for Loan Approval Prediction Across Multiple Datasets

Loan approval prediction remains a critical yet challenging task in financial risk management, particularly due to class imbalance and variability across lending datasets. This study presents a comparative evaluation of eleven machine learning and ensemble learning algorithms for loan approval prediction, evaluated acr...

Ilham Putra Ariatama, Wahyudi Setiawan, A. Amirullah et al. · Jurnal Teknik Informatika (J... · 0 citations