collaborators

8 papers

cs.CL2025

Convolutional Lie Operator for Sentence Classification

Daniela N. Rim, Heeyoul Choi

Traditional Convolutional Neural Networks have been successful in capturing local, position-invariant features in text, but their capacity to model complex transformation within la…

cs.NI2025

Dynamic Preference Multi-Objective Reinforcement Learning for Internet Network Management

DongNyeong Heo, Daniela Noemi Rim, Heeyoul Choi

An internet network service provider manages its network with multiple objectives, such as high quality of service (QoS) and minimum computing resource usage. To achieve these obje…

cs.CV2025

Harnessing EHRs for Diffusion-based Anomaly Detection on Chest X-rays

Harim Kim, Yuhan Wang, Minkyu Ahn +3

Unsupervised anomaly detection (UAD) in medical imaging is crucial for identifying pathological abnormalities without requiring extensive labeled data. However, existing diffusion-…

cs.CL2025

Data Augmentation With Back translation for Low Resource languages: A case of English and Luganda

Richard Kimera, Dongnyeong Heo, Daniela N. Rim +1

In this paper,we explore the application of Back translation (BT) as a semi-supervised technique to enhance Neural Machine Translation(NMT) models for the English-Luganda language…

cs.LG2024

Generalized Probabilistic Attention Mechanism in Transformers

DongNyeong Heo, Heeyoul Choi

The Transformer architecture has become widely adopted due to its demonstrated success, attributed to the attention mechanism at its core. Despite these successes, the attention me…

cs.CL2024

N-gram Prediction and Word Difference Representations for Language Modeling

DongNyeong Heo, Daniela Noemi Rim, Heeyoul Choi

Causal language modeling (CLM) serves as the foundational framework underpinning remarkable successes of recent large language models (LLMs). Despite its success, the training appr…