5 papers
Alignment by Stereotyping: How LLMs Sacrifice Individual Distinctiveness for Cultural Adaptation
Qishuai Zhong, Zongmin Li, Siqi Fan +1
Large language models are increasingly deployed for personalized interaction, and demographic conditioning via user profiles is a widely adopted strategy for cultural adaptation. W…
Action-Conditioned World Model for Goal Plane Guidance in Robotic Neck Ultrasound
Siqi Fan, Mingcong Chen, Ran Liu +6
Ultrasound examinations typically follow specific scanning protocols that require navigating through an ordered sequence of anatomical landmarks and target imaging planes. We prese…
Evaluating LLM Adaptation to Sociodemographic Factors: User Profile vs. Dialogue History
Qishuai Zhong, Zongmin Li, Siqi Fan +1
Effective engagement by large language models (LLMs) requires adapting responses to users' sociodemographic characteristics, such as age, occupation, and education level. While man…
The Price of a Second Thought: On the Evaluation of Reasoning Efficiency in Large Language Models
Siqi Fan, Bowen Qin, Peng Han +3
Recent thinking models trained with reinforcement learning and backward-checking CoT often suffer from overthinking: they produce excessively long outputs even on simple problems,…
USPilot: An Embodied Robotic Assistant Ultrasound System with Large Language Model Enhanced Graph Planner
Mingcong Chen, Siqi Fan, Guanglin Cao +2
In the era of Large Language Models (LLMs), embodied artificial intelligence presents transformative opportunities for robotic manipulation tasks. Ultrasound imaging, a widely used…