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The problem of dispatching emergency responders to service traffic accidents, fire, distress calls and crimes plagues urban areas across the globe. While such problems have been extensively looked at, most approaches are offline. Such…

Artificial Intelligence · Computer Science 2019-02-25 Ayan Mukhopadhyay , Geoffrey Pettet , Chinmaya Samal , Abhishek Dubey , Yevgeniy Vorobeychik

The algorithms used for the optimal management of an ambulance fleet require an accurate description of the spatio-temporal evolution of the emergency events. In the last years, several authors have proposed sophisticated statistical…

Applications · Statistics 2023-05-01 Andrea Gilardi , Riccardo Borgoni , Jorge Mateu

In this paper, we propose an Empirically-based Monte Carlo Bus-network (EMB) model as a test bed to simulate intervention strategies to overcome the inefficiencies of bus bunching. The EMB model is an agent-based model which utilizes the…

Physics and Society · Physics 2020-04-29 Wei Liang Quek , Ning Ning Chung , Vee-Liem Saw , Lock Yue Chew

A delay between the occurrence and the reporting of events often has practical implications such as for the amount of capital to hold for insurance companies, or for taking preventive actions in case of infectious diseases. The accurate…

Applications · Statistics 2021-06-24 Roel Verbelen , Katrien Antonio , Gerda Claeskens , Jonas Crevecoeur

Location of depots and routing of emergency response units are assumed to be interdependent in the incident management system. System costs will be excessive if delay regarding routing decisions is ignored when locating response units. This…

Systems and Control · Computer Science 2015-04-21 Hyoshin Park , Ali Shafahi , Ali Haghani

Queuing network control is essential for managing congestion in job-processing systems such as service systems, communication networks, and manufacturing processes. Despite growing interest in applying reinforcement learning (RL)…

Machine Learning · Computer Science 2024-09-06 Ethan Che , Jing Dong , Hongseok Namkoong

Estimands using the treatment policy strategy for addressing intercurrent events are common in Phase III clinical trials. One estimation approach for this strategy is retrieved dropout whereby observed data following an intercurrent event…

The increasing global spread of electric vehicles (EVs) has introduced significant interdependence between transportation and power networks. Most of the previous studies on coupled networks focus on the formation of equilibrium states…

Systems and Control · Electrical Eng. & Systems 2023-04-10 Jiaqi Li , Xiaoyuan Xu , Zheng Yan , Han Wang , Yue Chen

Emergency Medical Systems (EMS) provide crucial pre-hospital care and transportation. Faster EMS response time provides quicker pre-hospital care and thus increases survival rate. We reduce response time by providing optimal ambulance…

Applications · Statistics 2022-01-28 Joshua Ong , David Kulpanowski , Yangxinyu Xie , Evdokia Nikolova , Ngoc Mai Tran

The estimand framework proposes different strategies to address intercurrent events. The treatment policy strategy seems to be the most favoured as it is closely aligned with the pre-addendum intention-to-treat principle. All data for all…

Methodology · Statistics 2025-07-21 Sunita Rehal , Nicky Best , Sarah Watts , Thomas Drury

Efficient allocation of limited medical resources is crucial for controlling epidemic spreading on networks. Based on the susceptible-infected-susceptible model, we solve an optimization problem as how best to allocate the limited resources…

Populations and Evolution · Quantitative Biology 2017-08-02 Hanshuang Chen , Guofeng Li , Haifeng Zhang , Zhonghuai Hou

Over the past decade the rate of care unit (CU) use in the United States has been increasing. With an aging population and ever-growing demand for medical care, effective management of patients' transitions among different care facilities…

Machine Learning · Computer Science 2016-11-11 Hongteng Xu , Weichang Wu , Shamim Nemati , Hongyuan Zha

In autonomous mobility-on-demand systems, effectively managing vehicle flows to mitigate induced congestion and ensure efficient operations is imperative for system performance and positive customer experience. Against this background, we…

Optimization and Control · Mathematics 2025-06-25 Antonio Coppola , Gerhard Hiermann , Dario Paccagnan , Maximilian Schiffer

We study the problem of finding efficient sampling policies in an edge-based feedback system, where sensor samples are offloaded to a back-end server that processes them and generates feedback to a user. Sampling the system at maximum…

Information Theory · Computer Science 2023-02-07 Vishnu Narayanan Moothedath , Jaya Prakash Champati , James Gross

Epidemiologists have a growing interest in employing computational approaches to solve analytic problems, with simulation being arguably the most accessible among all approaches. While previous literature discussed the utility of simulation…

Computation · Statistics 2023-06-22 Boyi Guo , Linzi Li , Jacqueline E. Rudolph

Modelling epidemics via classical population-based models suffers from shortcomings that so-called individual-based models are able to overcome, as they are able to take heterogeneity features into account, such as super-spreaders, and…

Optimization and Control · Mathematics 2022-05-16 C. Courtès , E. Franck , K. Lutz , L. Navoret , Y. Privat

Abnormal event detection (AED) in urban surveillance videos has multiple challenges. Unlike other computer vision problems, the AED is not solely dependent on the content of frames. It also depends on the appearance of the objects and their…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Ali Atghaei , Soroush Ziaeinejad , Mohammad Rahmati

Emergency department's (ED) boarding (defined as ED waiting time greater than four hours) has been linked to poor patient outcomes and health system performance. Yet, effective forecasting models is rare before COVID-19, lacking during the…

Machine Learning · Computer Science 2024-03-22 Eman Leung , Jingjing Guan , Kin On Kwok , CT Hung , CC. Ching , CK. Chung , Hector Tsang , EK Yeoh , Albert Lee

In this paper, we investigate the problem of coordination between economic dispatch (ED) and demand response (DR) in multi-energy systems (MESs), aiming to improve the economic utility and reduce the waste of energy in MESs. Since multiple…

Systems and Control · Electrical Eng. & Systems 2021-04-20 Zishun Liu , Shanying Zhu , Jinming Xu , Cailian Chen

This paper studies a diffusion control problem motivated by challenges faced by public health agencies who run clinics to serve the public. A key challenge for these agencies is to motivate individuals to participate in the services…

Applications · Statistics 2023-12-06 Baris Ata , Deishin Lee , Mustafa H. Tongarlak