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While previous approaches to 3D human motion generation have achieved notable success, they often rely on extensive training and are limited to specific tasks. To address these challenges, we introduce Motion-Agent, an efficient…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Qi Wu , Yubo Zhao , Yifan Wang , Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang

Human mobility simulation plays a crucial role in various real-world applications. Recently, to address the limitations of traditional data-driven approaches, researchers have explored leveraging the commonsense knowledge and reasoning…

Computation and Language · Computer Science 2025-06-17 Yuwei Du , Jie Feng , Jian Yuan , Yong Li

Generating realistic human mobility data is essential for various application domains, including transportation, urban planning, and epidemic control, as real data is often inaccessible to researchers due to high costs and privacy concerns.…

Artificial Intelligence · Computer Science 2025-04-29 Siyu Li , Toan Tran , Haowen Lin , John Krumm , Cyrus Shahabi , Lingyi Zhao , Khurram Shafique , Li Xiong

In transportation system demand modeling and simulation, agent-based models and microsimulations are current state-of-the-art approaches. However, existing agent-based models still have some limitations on behavioral realism and resource…

Artificial Intelligence · Computer Science 2025-04-08 Tianming Liu , Jirong Yang , Yafeng Yin

The emergence of Large Language Models (LLMs) like ChatGPT has inspired the development of LLM-based agents capable of addressing complex, real-world tasks. However, these agents often struggle during task execution due to methodological…

Computation and Language · Computer Science 2025-01-22 Yaoxiang Wang , Zhiyong Wu , Junfeng Yao , Jinsong Su

Accurate human mobility prediction underpins many important applications across a variety of domains, including epidemic modelling, transport planning, and emergency responses. Due to the sparsity of mobility data and the stochastic nature…

Artificial Intelligence · Computer Science 2024-01-10 Xinglei Wang , Meng Fang , Zichao Zeng , Tao Cheng

Understanding human mobility patterns has long been a challenging task in transportation modeling. Due to the difficulties in obtaining high-quality training datasets across diverse locations, conventional activity-based models and…

Artificial Intelligence · Computer Science 2025-07-03 Yifan Liu , Xishun Liao , Haoxuan Ma , Brian Yueshuai He , Chris Stanford , Jiaqi Ma

Large language models (LLMs) are increasingly used as behavioral proxies for self-interested travelers in agent-based traffic models. Although more flexible and generalizable than conventional models, the practical use of these approaches…

Computer Science and Game Theory · Computer Science 2025-11-11 Hanlin Sun , Jiayang Li

We introduce DriveAgent, a novel multi-agent autonomous driving framework that leverages large language model (LLM) reasoning combined with multimodal sensor fusion to enhance situational understanding and decision-making. DriveAgent…

Robotics · Computer Science 2025-05-06 Xinmeng Hou , Wuqi Wang , Long Yang , Hao Lin , Jinglun Feng , Haigen Min , Xiangmo Zhao

Trajectory modeling, which includes research on trajectory data pattern mining and future prediction, has widespread applications in areas such as life services, urban transportation, and public administration. Numerous methods have been…

Computation and Language · Computer Science 2025-10-29 Yuwei Du , Jie Feng , Jie Zhao , Yong Li

The believable simulation of multi-user behavior is crucial for understanding complex social systems. Recently, large language models (LLMs)-based AI agents have made significant progress, enabling them to achieve human-like intelligence…

Artificial Intelligence · Computer Science 2024-12-16 Yijun Liu , Wu Liu , Xiaoyan Gu , Yong Rui , Xiaodong He , Yongdong Zhang

Understanding urban mobility patterns and analyzing how people move around cities helps improve the overall quality of life and supports the development of more livable, efficient, and sustainable urban areas. A challenging aspect of this…

Computers and Society · Computer Science 2024-09-05 Prabin Bhandari , Antonios Anastasopoulos , Dieter Pfoser

Route-planning agents powered by large language models (LLMs) have emerged as a promising paradigm for supporting everyday human mobility through natural language interaction and tool-mediated decision making. However, systematic evaluation…

Artificial Intelligence · Computer Science 2026-02-27 Zhiheng Song , Jingshuai Zhang , Chuan Qin , Chao Wang , Chao Chen , Longfei Xu , Kaikui Liu , Xiangxiang Chu , Hengshu Zhu

Animating and simulating crowds using an agent-based approach is a well-established area where every agent in the crowd is individually controlled such that global human-like behaviour emerges. We observe that human navigation and movement…

Artificial Intelligence · Computer Science 2025-08-22 Yibo Liu , Liam Shatzel , Brandon Haworth , Teseo Schneider

With the advancement of Multimodal Large Language Models (MLLM), LLM-driven visual agents are increasingly impacting software interfaces, particularly those with graphical user interfaces. This work introduces a novel LLM-based multimodal…

Human-Computer Interaction · Computer Science 2025-09-18 Yanda Li , Chi Zhang , Wenjia Jiang , Wanqi Yang , Bin Fu , Pei Cheng , Xin Chen , Ling Chen , Yunchao Wei

Understanding and modeling human mobility patterns is crucial for effective transportation planning and urban development. Despite significant advances in mobility research, there remains a critical gap in simulation platforms that allow…

Artificial Intelligence · Computer Science 2025-06-30 Yifan Liu , Xishun Liao , Haoxuan Ma , Jonathan Liu , Rohan Jadhav , Jiaqi Ma

We present Social Agent, a novel framework for synthesizing realistic and contextually appropriate co-speech nonverbal behaviors in dyadic conversations. In this framework, we develop an agentic system driven by a Large Language Model (LLM)…

Graphics · Computer Science 2025-10-07 Zeyi Zhang , Yanju Zhou , Heyuan Yao , Tenglong Ao , Xiaohang Zhan , Libin Liu

Travel behavior prediction is a core problem in transportation demand management and is traditionally addressed using numerical models calibrated on observed data. With recent advances in large language models (LLMs), new opportunities have…

Machine Learning · Computer Science 2026-03-12 Baichuan Mo , Hanyong Xu , Ruoyun Ma , Jung-Hoon Cho , Dingyi Zhuang , Xiaotong Guo , Jinhua Zhao

Large-scale human mobility simulation is critical for applications such as urban planning, epidemiology, and transportation analysis. Recent works treat large language models (LLMs) as human agents to simulate realistic mobility behaviors…

Artificial Intelligence · Computer Science 2026-02-20 Hua Yan , Heng Tan , Yingxue Zhang , Yu Yang

Recently, LLM-powered driver agents have demonstrated considerable potential in the field of autonomous driving, showcasing human-like reasoning and decision-making abilities.However, current research on aligning driver agent behaviors with…

Robotics · Computer Science 2024-03-19 Ruoxuan Yang , Xinyue Zhang , Anais Fernandez-Laaksonen , Xin Ding , Jiangtao Gong