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Geospatial predictions are crucial for diverse fields such as disaster management, urban planning, and public health. Traditional machine learning methods often face limitations when handling unstructured or multi-modal data like street…

计算与语言 · 计算机科学 2024-11-25 Zongrong Li , Junhao Xu , Siqin Wang , Yifan Wu , Haiyang Li

Urban and transportation research has long sought to uncover statistically meaningful relationships between key variables and societal outcomes such as road safety, to generate actionable insights that guide the planning, development, and…

机器学习 · 计算机科学 2025-06-19 Yihong Tang , Ao Qu , Xujing Yu , Weipeng Deng , Jun Ma , Jinhua Zhao , Lijun Sun

Recent Multimodal Large Language Models (MLLMs) exhibit impressive abilities to perceive images and follow open-ended instructions. The capabilities of MLLMs depend on two crucial factors: the model architecture to facilitate the feature…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Tianyu Yu , Jinyi Hu , Yuan Yao , Haoye Zhang , Yue Zhao , Chongyi Wang , Shan Wang , Yinxv Pan , Jiao Xue , Dahai Li , Zhiyuan Liu , Hai-Tao Zheng , Maosong Sun

Motion prediction is among the most fundamental tasks in autonomous driving. Traditional methods of motion forecasting primarily encode vector information of maps and historical trajectory data of traffic participants, lacking a…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Xiaoji Zheng , Lixiu Wu , Zhijie Yan , Yuanrong Tang , Hao Zhao , Chen Zhong , Bokui Chen , Jiangtao Gong

Region representation learning plays a pivotal role in urban computing by extracting meaningful features from unlabeled urban data. Analogous to how perceived facial age reflects an individual's health, the visual appearance of a city…

人工智能 · 计算机科学 2025-12-02 Yimei Zhang , Guojiang Shen , Kaili Ning , Tongwei Ren , Xuebo Qiu , Mengmeng Wang , Xiangjie Kong

The long-standing vision of intelligent cities is to create efficient, livable, and sustainable urban environments using big data and artificial intelligence technologies. Recently, the advent of Large Language Models (LLMs) has opened new…

多智能体系统 · 计算机科学 2025-07-02 Jindong Han , Yansong Ning , Zirui Yuan , Hang Ni , Fan Liu , Tengfei Lyu , Hao Liu

Traffic prediction, an essential component for intelligent transportation systems, endeavours to use historical data to foresee future traffic features at specific locations. Although existing traffic prediction models often emphasize…

机器学习 · 计算机科学 2024-07-09 Chenxi Liu , Sun Yang , Qianxiong Xu , Zhishuai Li , Cheng Long , Ziyue Li , Rui Zhao

Urban forecasting has increasingly benefited from high-dimensional spatial data through two primary approaches: graph-based methods that rely on predefined spatial structures, and region-based methods that focus on learning expressive urban…

人工智能 · 计算机科学 2025-06-18 Yuhao Jia , Zile Wu , Shengao Yi , Yifei Sun , Xiao Huang

Deep learning has emerged as a promising paradigm for spatio-temporal modeling of fluid dynamics. However, existing approaches often suffer from limited generalization to unseen flow conditions and typically require retraining when applied…

Learning computational fluid dynamics (CFD) traditionally relies on computationally intensive simulations of the Navier-Stokes equations. Recently, large language models (LLMs) have shown remarkable pattern recognition and reasoning…

机器学习 · 计算机科学 2024-06-10 Max Zhu , Adrián Bazaga , Pietro Liò

Accurate spatiotemporal traffic forecasting is a critical prerequisite for proactive resource management in dense urban mobile networks. While large language models have shown promise in time series analysis, they inherently struggle to…

机器学习 · 计算机科学 2026-05-15 Ning Yang , Hengyu Zhong , Haijun Zhang , Randall Berry

Accurate prediction of human behavior is crucial for AI systems to effectively support real-world applications, such as autonomous robots anticipating and assisting with human tasks. Real-world scenarios frequently present challenges such…

人机交互 · 计算机科学 2025-07-21 Kojiro Takeyama , Yimeng Liu , Misha Sra

The growing demand for intelligent, adaptive resource management in next-generation wireless networks has underscored the importance of accurate and scalable wireless traffic prediction. While recent advancements in deep learning and…

机器学习 · 计算机科学 2025-12-30 Chuanting Zhang , Haixia Zhang , Jingping Qiao , Zongzhang Li , Mohamed-Slim Alouini

We study an emerging and intriguing problem of multimodal temporal event forecasting with large language models. Compared to using text or graph modalities, the investigation of utilizing images for temporal event forecasting has not been…

多媒体 · 计算机科学 2024-08-09 Haoxuan Li , Zhengmao Yang , Yunshan Ma , Yi Bin , Yang Yang , Tat-Seng Chua

Urban development impacts over half of the global population, making human-centered understanding of its structural and perceptual changes essential for sustainable development. While Multimodal Large Language Models (MLLMs) have shown…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Jun He , Yi Lin , Zilong Huang , Jiacong Yin , Junyan Ye , Yuchuan Zhou , Weijia Li , Xiang Zhang

Rapid urbanization intensifies the demand for Urban General Intelligence (UGI), referring to AI systems that can understand and reason about complex urban environments. Recent studies have built urban foundation models using supervised…

人工智能 · 计算机科学 2025-10-21 Qiongyan Wang , Xingchen Zou , Yutian Jiang , Haomin Wen , Jiaheng Wei , Qingsong Wen , Yuxuan Liang

Trajectory prediction serves as a critical functionality in autonomous driving, enabling the anticipation of future motion paths for traffic participants such as vehicles and pedestrians, which is essential for driving safety. Although…

机器人学 · 计算机科学 2025-09-16 Wei Dai , Shengen Wu , Wei Wu , Zhenhao Wang , Sisuo Lyu , Haicheng Liao , Limin Yu , Weiping Ding , Runwei Guan , Yutao Yue

Recent evaluations of Large Multimodal Models (LMMs) have explored their capabilities in various domains, with only few benchmarks specifically focusing on urban environments. Moreover, existing urban benchmarks have been limited to…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Baichuan Zhou , Haote Yang , Dairong Chen , Junyan Ye , Tianyi Bai , Jinhua Yu , Songyang Zhang , Dahua Lin , Conghui He , Weijia Li

Predicting human behavior in shared environments is crucial for safe and efficient human-robot interaction. Traditional data-driven methods to that end are pre-trained on domain-specific datasets, activity types, and prediction horizons. In…

机器人学 · 计算机科学 2025-06-24 Yuchen Liu , Lino Lerch , Luigi Palmieri , Andrey Rudenko , Sebastian Koch , Timo Ropinski , Marco Aiello

Large Language Models (LLMs) face a significant threat from multi-turn jailbreak attacks, where adversaries progressively steer conversations to elicit harmful outputs. However, the practical effectiveness of existing attacks is undermined…

密码学与安全 · 计算机科学 2026-01-12 Songze Li , Ruishi He , Xiaojun Jia , Jun Wang , Zhihui Fu