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Sungmin Kang

5 accepted papers

2026

GEM: A Scale-Aware and Distribution-Sensitive Sparse Fine-Tuning Framework for Effective Downstream Adaptation

AAAI 2026technical

Parameter-efficient fine-tuning (PEFT) has become a popular way to adapt large pre-trained models to new tasks. Most PEFT methods update only a small subset of parameters while freezing the rest, avoiding redundant computation. As they maximize the absolute size of the updates without regard to the

Cited by 0SourcePDFScholar
2026

Serving Innovation: Seamless Service by Advancing Food Runners with Mobile Manipulation

ICRA 2026poster

The Mobile Object Manipulation Operator (MOMO) is an innovative and reconfigurable robotic system that transforms traditional serving robots into mobile manipulators. Leveraging the form factor and mobility of serving robots, MOMO integrates up to three pluggable devices, including 6-DoF manipulator…

Cited by 0SourceScholar
2026

Uncertainty as Feature Gaps: Epistemic Uncertainty Quantification of LLMs in Contextual Question-Answering

ICLR 2026poster

Uncertainty Quantification (UQ) research has primarily focused on closed-book factual question answering (QA), while contextual QA remains unexplored, despite its importance in real-world applications. In this work, we focus on UQ for the contextual QA task and propose a theoretically grounded appro…

Cited by 0SourcecodeScholar
2025

Layer-wise Update Aggregation with Recycling for Communication-Efficient Federated Learning

NeurIPS 2025poster

Expensive communication cost is a common performance bottleneck in Federated Learning (FL), which makes it less appealing in real-world applications. Many communication-efficient FL methods focus on discarding a part of model updates mostly based on gradient magnitude. In this study, we find that re…

Cited by 0SourceScholar
2025

Reconsidering LLM Uncertainty Estimation Methods in the Wild

ACL 2025long

Large Language Model (LLM) Uncertainty Estimation (UE) methods have become a crucial tool for detecting hallucinations in recent years. While numerous UE methods have been proposed, most existing studies evaluate them in isolated short-form QA settings using threshold-independent metrics such as AUR…