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In urban computing, precise and swift forecasting of multivariate time series data from traffic networks is crucial. This data incorporates additional spatial contexts such as sensor placements and road network layouts, and exhibits complex…

Machine Learning · Computer Science 2024-12-19 Tongtong Zhang , Zhiyong Cui , Bingzhang Wang , Yilong Ren , Haiyang Yu , Pan Deng , Yinhai Wang

Linear State Space Models (SSMs) offer remarkable performance gains in efficient sequence modeling, with constant inference-time computation and memory complexity. Recent advances, such as Mamba, further enhance SSMs with input-dependent…

Machine Learning · Computer Science 2025-06-24 Zheng Zhan , Liliang Ren , Shuohang Wang , Liyuan Liu , Yang Liu , Yeyun Gong , Yanzhi Wang , Yelong Shen

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…

Machine Learning · Computer Science 2026-05-15 Ning Yang , Hengyu Zhong , Haijun Zhang , Randall Berry

Exposure to crime and violence can harm individuals' quality of life and the economic growth of communities. In light of the rapid development in machine learning, there is a rise in the need to explore automated solutions to prevent…

Machine Learning · Computer Science 2023-01-03 Yuting Sun , Tong Chen , Hongzhi Yin

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…

Artificial Intelligence · Computer Science 2025-06-18 Yuhao Jia , Zile Wu , Shengao Yi , Yifei Sun , Xiao Huang

The scarcity of data depicting dangerous situations presents a major obstacle to training AI systems for safety-critical applications, such as construction safety, where ethical and logistical barriers hinder real-world data collection.…

Artificial Intelligence · Computer Science 2025-05-21 Vu Dinh Xuan , Hao Vo , David Murphy , Hoang D. Nguyen

Multi-agent motion prediction is challenging because it aims to foresee the future trajectories of multiple agents (\textit{e.g.} pedestrians) simultaneously in a complicated scene. Existing work addressed this challenge by either learning…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Chaofan Tao , Qinhong Jiang , Lixin Duan , Ping Luo

Multivariate time series forecasting focuses on predicting future values based on historical context. State-of-the-art sequence-to-sequence models rely on neural attention between timesteps, which allows for temporal learning but fails to…

Machine Learning · Computer Science 2023-03-21 Jake Grigsby , Zhe Wang , Nam Nguyen , Yanjun Qi

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

Multiagent Systems · Computer Science 2026-02-20 Hua Yan , Heng Tan , Yu Yang

While LLMs have demonstrated remarkable potential in time series forecasting, their practical deployment remains constrained by excessive computational demands and memory footprints. Existing LLM-based approaches typically suffer from three…

Computation and Language · Computer Science 2025-03-11 Haoran Fan , Bin Li , Yixuan Weng , Shoujun Zhou

In this paper, we lay out a vision for analysing semantic trajectory traces and generating synthetic semantic trajectory data (SSTs) using generative language model. Leveraging the advancements in deep learning, as evident by progress in…

Computation and Language · Computer Science 2023-06-27 Shreya Ghosh , Saptarshi Sengupta , Prasenjit Mitra

Large language models (LLMs) have recently demonstrated strong reasoning capabilities and attracted increasing research attention in the field of autonomous driving (AD). However, safe application of LLMs on AD perception and prediction…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Yanjiao Liu , Jiawei Liu , Xun Gong , Zifei Nie

Autonomous driving requires accurate scene understanding, including road geometry, traffic agents, and their semantic relationships. In online HD map generation scenarios, raster-based representations are well-suited to vision models but…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhigang Sun , Yiru Wang , Anqing Jiang , Shuo Wang , Yu Gao , Yuwen Heng , Shouyi Zhang , An He , Hao Jiang , Jinhao Chai , Zichong Gu , Wang Jijun , Shichen Tang , Lavdim Halilaj , Juergen Luettin , Hao Sun

This paper presents preliminary work on learning the search heuristic for the optimal motion planning for automated driving in urban traffic. Previous work considered search-based optimal motion planning framework (SBOMP) that utilized…

Machine Learning · Computer Science 2018-06-14 Zlatan Ajanovic , Bakir Lacevic , Georg Stettinger , Daniel Watzenig , Martin Horn

Safe and efficient robot operation in complex human environments can benefit from good models of site-specific motion patterns. Maps of Dynamics (MoDs) provide such models by encoding statistical motion patterns in a map, but existing…

Large Language Models (LLMs) have recently been extended to the video domain, enabling sophisticated video-language understanding. However, existing Video LLMs often exhibit limitations in fine-grained temporal reasoning, restricting their…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Bo-Cheng Chiu , Jen-Jee Chen , Yu-Chee Tseng , Feng-Chi Chen , An-Zi Yen

Urban flow prediction is a classic spatial-temporal forecasting task that estimates the amount of future traffic flow for a given location. Though models represented by Spatial-Temporal Graph Neural Networks (STGNNs) have established…

Machine Learning · Computer Science 2024-12-10 Haiyang Jiang , Tong Chen , Wentao Zhang , Nguyen Quoc Viet Hung , Yuan Yuan , Yong Li , Lizhen Cui

Human motion synthesis in 3D scenes relies heavily on scene comprehension, while current methods focus mainly on scene structure but ignore the semantic understanding. In this paper, we propose a human motion synthesis framework that take…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Gong Jingyu , Tong Kunkun , Chen Zhuoran , Yuan Chuanhan , Chen Mingang , Zhang Zhizhong , Tan Xin , Xie Yuan

Autonomous language-guided navigation in large-scale outdoor environments remains a key challenge in mobile robotics, due to difficulties in semantic reasoning, dynamic conditions, and long-term stability. We propose CausalNav, the first…

Robotics · Computer Science 2026-01-06 Hongbo Duan , Shangyi Luo , Zhiyuan Deng , Yanbo Chen , Yuanhao Chiang , Yi Liu , Fangming Liu , Xueqian Wang

The dynamic Sequential Mobile Manipulation Planning (SMMP) framework is essential for the safe and robust operation of mobile manipulators in dynamic environments. Previous research has primarily focused on either motion-level or task-level…

Robotics · Computer Science 2024-06-24 Zhitian Li , Yida Niu , Yao Su , Hangxin Liu , Ziyuan Jiao