activity
20182025
most citedTokenMixup: Efficient Attention-guided Token-level Data Augmentation for Transformers

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

collaborators

8 papers

cs.AI2025

When Identity Skews Debate: Anonymization for Bias-Reduced Multi-Agent Reasoning

Hyeong Kyu Choi, Xiaojin Zhu, Sharon Li

Multi-agent debate (MAD) aims to improve large language model (LLM) reasoning by letting multiple agents exchange answers and then aggregate their opinions. Yet recent studies reve…

cs.CL2025

Debate or Vote: Which Yields Better Decisions in Multi-Agent Large Language Models?

Hyeong Kyu Choi, Xiaojin Zhu, Sharon Li

Multi-Agent Debate~(MAD) has emerged as a promising paradigm for improving the performance of large language models through collaborative reasoning. Despite recent advances, the ke…

cs.LG2025

How Contaminated Is Your Benchmark? Quantifying Dataset Leakage in Large Language Models with Kernel Divergence

Hyeong Kyu Choi, Maxim Khanov, Hongxin Wei +1

Dataset contamination, where evaluation datasets overlap with pre-training corpora, inflates performance metrics and undermines the reliability of model evaluations. Measuring data…

cs.CL2024

Safety-Aware Fine-Tuning of Large Language Models

Hyeong Kyu Choi, Xuefeng Du, Yixuan Li

Fine-tuning Large Language Models (LLMs) has emerged as a common practice for tailoring models to individual needs and preferences. The choice of datasets for fine-tuning can be di…

cs.AI2024

Mitigating Selection Bias with Node Pruning and Auxiliary Options

Hyeong Kyu Choi, Weijie Xu, Chi Xue +2

Large language models (LLMs) often exhibit systematic preferences for certain answer choices when responding to multiple-choice questions-a behavior known as selection bias. This b…

cs.CV202214 cited

TokenMixup: Efficient Attention-guided Token-level Data Augmentation for Transformers

Hyeong Kyu Choi, Joonmyung Choi, Hyunwoo J. Kim

Mixup is a commonly adopted data augmentation technique for image classification. Recent advances in mixup methods primarily focus on mixing based on saliency. However, many salien…