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Timely population displacement estimates are critical for humanitarian response during disasters, but traditional surveys and field assessments are slow. Mobile phone data enables near real-time tracking, yet existing approaches apply…

Computers and Society · Computer Science 2026-04-24 Rajius Idzalika , Muhammad Rheza Muztahid , Radityo Eko Prasojo

In this study, two mathematical models have been developed for assigning emergency vehicles, namely ambulances, to geographical areas. The first model, which is based on the assignment problem, the ambulance transfer (moving ambulances)…

Balancing passenger demand and vehicle availability is crucial for ensuring the sustainability and effectiveness of urban transportation systems. To address this challenge, we propose a novel hierarchical strategy for the efficient…

Systems and Control · Electrical Eng. & Systems 2024-06-17 Pengbo Zhu , Giancarlo Ferrari-Trecate , Nikolas Geroliminis

The optimisation in the ambulance dispatching process is significant for patients who need early treatments. However, the problem of dynamic ambulance redeployment for destination hospital selection has rarely been investigated. The paper…

Computers and Society · Computer Science 2022-01-07 Xinyu Fu , Valeria Krzhizhanovskaya , Alexey Yakovlev , Sergey Kovalchuk

Route choice modeling is a fundamental task in transportation planning and demand forecasting. Classical methods generally adopt the discrete choice model (DCM) framework with linear utility functions and high-level route characteristics.…

Machine Learning · Computer Science 2023-03-01 Zhan Zhao , Yuebing Liang

We consider the load balancing problem in large-scale heterogeneous systems with multiple dispatchers. We introduce a general framework called Local-Estimation-Driven (LED). Under this framework, each dispatcher keeps local (possibly…

Performance · Computer Science 2020-02-21 Xingyu Zhou , Ness Shroff , Adam Wierman

We enhance the accuracy and generalization of univariate time series point prediction by an explainable ensemble on the fly. We propose an Interpretable Dynamic Ensemble Architecture (IDEA), in which interpretable base learners give…

Machine Learning · Computer Science 2022-01-17 Mengyue Zha , Kani Chen , Tong Zhang

Clinical AI systems frequently suffer performance decay post-deployment due to temporal data shifts, such as evolving populations, diagnostic coding updates (e.g., ICD-9 to ICD-10), and systemic shocks like the COVID-19 pandemic. Addressing…

Applications · Statistics 2026-01-22 Xin Xiong , Zijian Guo , Haobo Zhu , Chuan Hong , Jordan W Smoller , Tianxi Cai , Molei Liu

In intelligent transportation systems (ITS), adaptive transit signal priority (TSP) and dynamic bus control systems have been independently developed to maintain efficient and reliable urban bus services. However, those two systems could…

Systems and Control · Electrical Eng. & Systems 2025-08-12 Shurui Guan , Keqiang Li , Haoyu Yang , Yihe Chen , Hanxiao Ren , Yugong Luo

This paper proposes an original method for estimating the velocity of a target by leveraging the multiband capabilities of modern Integrated Sensing And Communication (ISAC) systems. Traditional Doppler estimation relies on regular sampling…

Signal Processing · Electrical Eng. & Systems 2026-04-09 Aurora Peloso , Michele Rossi , Jacopo Pegoraro

Prediction of couriers' delivery timely rates in advance is essential to the logistics industry, enabling companies to take preemptive measures to ensure the normal operation of delivery services. This becomes even more critical during…

Machine Learning · Computer Science 2025-05-02 Jinhui Yi , Huan Yan , Haotian Wang , Jian Yuan , Yong Li

Out-of-hospital cardiac arrest (OHCA) survival rates remain extremely low due to challenges in the timely accessibility of medical devices. Therefore, effective deployment of automated external defibrillators (AED) can significantly…

Optimization and Control · Mathematics 2026-03-12 Kexin Cao , Chih-Yuan Yang , Keng-Hou Leong , Xinglu Liu , Wai Kin , Chan

With line-of-sight mode deployment and fast response, unmanned aerial vehicle (UAV), equipped with the cutting-edge integrated sensing and communication (ISAC) technique, is poised to deliver high-quality communication and sensing services…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Bohan Li , Jiahao Liu , Junsheng Mu , Pei Xiao , Sheng Chen

Traditionally, traffic incident management (TIM) programs coordinate the deployment of emergency resources to immediate incident requests without accommodating the interdependencies on incident evolutions in the environment. However,…

Systems and Control · Electrical Eng. & Systems 2025-01-14 Justice Darko , Hyoshin Park

Predicting driver intentions is a difficult and crucial task for advanced driver assistance systems. Traditional confidence measures on predictions often ignore the way predicted trajectories affect downstream decisions for safe driving. In…

UAV-assisted integrated sensing and communication (ISAC) network is crucial for post-disaster emergency rescue. The speed of UAV deployment will directly impact rescue results. However, the ISAC UAV deployment in emergency scenarios is…

Networking and Internet Architecture · Computer Science 2024-01-17 Zao Wang , Lianming Xu , Luyang Hou , Ruoguang Li , Li Wang

The integration of Diffusion Models into Intelligent Transportation Systems (ITS) is a substantial improvement in the detection of accidents. We present a novel hybrid model integrating guidance classification with diffusion techniques. By…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Siva Sai , Saksham Gupta , Vinay Chamola , Rajkumar Buyya

The rise of ultra-dense LEO constellations creates a complex and asynchronous network environment, driven by their massive scale, dynamic topologies, and significant delays. This unique complexity demands an adaptive packet routing…

Networking and Internet Architecture · Computer Science 2025-11-03 Ke He , Thang X. Vu , Le He , Lisheng Fan , Symeon Chatzinotas , Bjorn Ottersten

To model and forecast flight delays accurately, it is crucial to harness various vehicle trajectory and contextual sensor data on airport tarmac areas. These heterogeneous sensor data, if modelled correctly, can be used to generate a…

Machine Learning · Computer Science 2021-11-25 Wei Shao , Arian Prabowo , Sichen Zhao , Piotr Koniusz , Flora D. Salim

Predicting ambulance demand accurately at a fine resolution in time and space (e.g., every hour and 1 km$^2$) is critical for staff / fleet management and dynamic deployment. There are several challenges: though the dataset is typically…

Machine Learning · Statistics 2016-06-20 Zhengyi Zhou