collaborators

5 papers

cs.AI2026

Retrospective Distillation Attribution via Normalized Response Similarity

Minwoo Jang, Jaechang Kim, Minhyeon Oh +2

Model distillation transfers capabilities through supervised fine-tuning (SFT) on teacher responses, often collected from commercial APIs, raising questions of model provenance. Ex…

cs.LG2026

Federated Variational Preference Alignment with Gumbel-Softmax Prior for Personalized User Preferences

Jabin Koo, Hoyoung Kim, Minwoo Jang +1

Federated Learning (FL) offers a privacy-preserving pathway for aligning Large Language Models (LLMs); however, existing frameworks typically enforce a monolithic reward model, ine…

cs.CV2026

ChimeraLoRA: Multi-Head LoRA-Guided Synthetic Datasets

Hoyoung Kim, Minwoo Jang, Jabin Koo +2

Beyond general recognition tasks, specialized domains and fine-grained settings often encounter data scarcity, especially for tail classes. To obtain less biased and more reliable…

cs.AI2026

Making Models Unmergeable via Scaling-Sensitive Loss Landscape

Minwoo Jang, Hoyoung Kim, Jabin Koo +1

The rise of model hubs has made it easier to access reusable model components, making model merging a practical tool for combining capabilities. Yet, this modularity also creates a…

cs.LG2024

Towards Robust and Efficient Federated Low-Rank Adaptation with Heterogeneous Clients

Jabin Koo, Minwoo Jang, Jungseul Ok

Federated fine-tuning for Large Language Models (LLMs) faces significant challenges due to the heavy communication overhead of transmitting large model updates. Although Low Rank A…