4 papers
ReGraM: Region-First Knowledge Graph Reasoning for Medical Question Answering
Chaerin Lee, Sohee Park, Hyunsik Na +1
Recent studies in medical question answering (Medical QA) have actively explored the integration of large language models (LLMs) with biomedical knowledge graphs (KGs) to improve f…
STAR: Detecting Inference-time Backdoors in LLM Reasoning via State-Transition Amplification Ratio
Seong-Gyu Park, Sohee Park, Jisu Lee +2
Recent LLMs increasingly integrate reasoning mechanisms like Chain-of-Thought (CoT). However, this explicit reasoning exposes a new attack surface for inference-time backdoors, whi…
RoVo: Robust Voice Protection Against Unauthorized Speech Synthesis with Embedding-Level Perturbations
Seungmin Kim, Sohee Park, Donghyun Kim +2
With the advancement of AI-based speech synthesis technologies such as Deep Voice, there is an increasing risk of voice spoofing attacks, including voice phishing and fake news, th…
Robustness Analysis against Adversarial Patch Attacks in Fully Unmanned Stores
Hyunsik Na, Wonho Lee, Seungdeok Roh +2
The advent of convenient and efficient fully unmanned stores equipped with artificial intelligence-based automated checkout systems marks a new era in retail. However, these system…