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Network traffic forecasting plays a crucial role in intelligent network operations, but existing techniques often perform poorly when faced with limited data. Additionally, multi-task learning methods struggle with task imbalance and…

Machine Learning · Computer Science 2026-01-30 Hui Ma , Qingzhong Li , Jin Wang , Jie Wu , Shaoyu Dou , Li Feng , Xinjun Pei

Short-term demand forecasting models commonly combine convolutional and recurrent layers to extract complex spatiotemporal patterns in data. Long-term histories are also used to consider periodicity and seasonality patterns as time series…

Machine Learning · Computer Science 2019-10-15 Doyup Lee , Suehun Jung , Yeongjae Cheon , Dongil Kim , Seungil You

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…

Machine Learning · Computer Science 2024-07-09 Chenxi Liu , Sun Yang , Qianxiong Xu , Zhishuai Li , Cheng Long , Ziyue Li , Rui Zhao

In order to predict a pedestrian's trajectory in a crowd accurately, one has to take into account her/his underlying socio-temporal interactions with other pedestrians consistently. Unlike existing work that represents the relevant…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Yuke Li , Lixiong Chen , Guangyi Chen , Ching-Yao Chan , Kun Zhang , Stefano Anzellotti , Donglai Wei

Accurate forecasting of traffic conditions is critical for improving safety, stability, and efficiency of a city transportation system. In reality, it is challenging to produce accurate traffic forecasts due to the complex and dynamic…

Applications · Statistics 2021-08-06 Tiange Wang , Zijun Zhang , Kwok-Leung Tsui

Crime prediction is crucial for public safety and resource optimization, yet is very challenging due to two aspects: i) the dynamics of criminal patterns across time and space, crime events are distributed unevenly on both spatial and…

Machine Learning · Computer Science 2022-04-26 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Liefeng Bo , Xiyue Zhang , Tianyi Chen

We study the problem of traffic forecasting, aiming to predict the inflow and outflow of a region in the subsequent time slot. The problem is complex due to the intricate spatial and temporal interdependence among regions. Prior works study…

Artificial Intelligence · Computer Science 2025-11-12 Zheng Chenghong , Zongyin Deng , Liu Cheng , Xiong Simin , Di Deshi , Li Guanyao

In this paper, based on the spatio-temporal correlation of sensor nodes in the Internet of Things (IoT), a Spatio-temporal Scope information model (SSIM) is proposed to quantify the scope valuable information of sensor data, which decays…

Information Theory · Computer Science 2022-12-15 Yang Liu , Chen Dong , Xiaoqi Qin , Xiaodong Xu

Event-driven sensors such as LiDAR and dynamic vision sensor (DVS) have found increased attention in high-resolution and high-speed applications. A lot of work has been conducted to enhance recognition accuracy. However, the essential topic…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Shibo Zhou , Wei Wang , Xiaohua Li , Zhanpeng Jin

Emerging transportation modes, including car-sharing, bike-sharing, and ride-hailing, are transforming urban mobility but have been shown to reinforce socioeconomic inequities. Spatiotemporal demand prediction models for these new mobility…

Computers and Society · Computer Science 2019-07-10 An Yan , Bill Howe

The development of smart cities requires innovative sensing solutions for efficient and low-cost urban environment monitoring. Bike-sharing systems, with their wide coverage, flexible mobility, and dense urban distribution, present a…

Optimization and Control · Mathematics 2024-10-10 Wen Ji , Ke Han , Qi Hao , Qian Ge , Ying Long

Effective and Efficient spatio-temporal modeling is essential for action recognition. Existing methods suffer from the trade-off between model performance and model complexity. In this paper, we present a novel Spatio-Temporal Hybrid…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Xu Li , Jingwen Wang , Lin Ma , Kaihao Zhang , Fengzong Lian , Zhanhui Kang , Jinjun Wang

Accurate Travel Time Estimation (TTE) is critical for ride-hailing platforms, where errors directly impact user experience and operational efficiency. While existing production systems excel at holistic route-level dependency modeling, they…

Machine Learning · Computer Science 2026-01-07 Wenzhao Jiang , Jindong Han , Ruiqian Han , Hao Liu

Nowadays, ridesharing has become one of the most popular services offered by online ride-hailing platforms (e.g., Uber and Didi Chuxing). Existing ridesharing platforms adopt the strategy that dispatches orders over the entire city at a…

Signal Processing · Electrical Eng. & Systems 2020-09-07 Chang Liu , Jiahui Sun , Haiming Jin , Meng Ai , Qun Li , Cheng Zhang , Kehua Sheng , Guobin Wu , Xiaohu Qie , Xinbing Wang

Trajectory prediction aims to predict the movement trend of the agents like pedestrians, bikers, vehicles. It is helpful to analyze and understand human activities in crowded spaces and widely applied in many areas such as surveillance…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Beihao Xia , Conghao Wong , Qinmu Peng , Wei Yuan , Xinge You

Recent studies have significantly improved the prediction accuracy of travel demand using graph neural networks. However, these studies largely ignored uncertainty that inevitably exists in travel demand prediction. To fill this gap, this…

Machine Learning · Computer Science 2024-02-23 Qingyi Wang , Shenhao Wang , Dingyi Zhuang , Haris Koutsopoulos , Jinhua Zhao

To collectively forecast the demand for ride-sourcing services in all regions of a city, the deep learning approaches have been applied with commendable results. However, the local statistical differences throughout the geographical layout…

Machine Learning · Computer Science 2020-04-27 Feng Xiao , Dapeng Zhang , Gang Kou , Lu Li

Complex systems span multiple spatial and temporal scales, making their dynamics challenging to understand and predict. This challenge is especially daunting when one wants to study localized and/or rare events. Advances in dynamical…

Atmospheric and Oceanic Physics · Physics 2025-09-22 Chenyu Dong , Gabriele Messori , Davide Faranda , Adriano Gualandi , Valerio Lucarini , Gianmarco Mengaldo

The optimal scheduling of interfering links in a dense wireless network with full frequency reuse is a challenging task. The traditional method involves first estimating all the interfering channel strengths then optimizing the scheduling…

Signal Processing · Electrical Eng. & Systems 2021-02-05 Wei Cui , Kaiming Shen , Wei Yu

Bike-sharing systems are a means of smart transportation in urban environments with the benefit of a positive impact on urban mobility. In this paper we are interested in studying and modeling the behavior of features that permit the end…

Software Engineering · Computer Science 2015-08-18 Davide Bacciu , Stefania Gnesi , Laura Semini