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Overcrowding in Emergency Departments (EDs) is particularly problematic during seasonal epidemic crises. Each year during this period, EDs set off recourse actions to cope with the increase in workload. Uncertainty in the length and…

Physics and Society · Physics 2018-11-08 Omar El-Rifai , Thierry Garaix , Xiaolan Xie

Background: Emergency department (ED) overcrowding remains a major challenge, causing delays in care and increased operational strain. Hospital management often reacts to congestion after it occurs. Machine learning predictive modeling…

Machine Learning · Computer Science 2025-04-29 Orhun Vural , Bunyamin Ozaydin , Khalid Y. Aram , James Booth , Brittany F. Lindsey , Abdulaziz Ahmed

Recently, the combination of machine learning (ML) and simulation is gaining a lot of attention. This paper presents a novel application of ML within the simulation to improve patient flow within an emergency department (ED). An ML model…

Computers and Society · Computer Science 2020-12-03 Emad Alenany , Abdessamad Ait El Cadi

We use simulation to compare different power flow models in the process of charging electric vehicles (EVs) by considering their random arrivals, their stochastic demand for energy at charging stations, and the characteristics of the…

Optimization and Control · Mathematics 2022-12-08 M. H. M. Christianen , M. Vlasiou , B. Zwart

This study presents a deep learning-based framework for predicting emergency department (ED) boarding counts six hours in advance using only operational and contextual data, without patient-level information. Data from ED tracking systems,…

Machine Learning · Computer Science 2025-07-14 Orhun Vural , Bunyamin Ozaydin , James Booth , Brittany F. Lindsey , Abdulaziz Ahmed

In the United States, medical responses by fire departments over the last four decades increased by 367%. This had made it critical to decision makers in emergency response departments that existing resources are efficiently used. In this…

Systems and Control · Electrical Eng. & Systems 2020-10-16 Cheng Hua , Tauhid Zaman

For a large portion of mental health patients, the Emergency Department is the first point of contact when in crisis and in need of urgent acute care. Unfortunately, those who have already received an admission disposition may wait hours or…

Applications · Statistics 2023-04-28 Nathan O. Adeyemi , Kayse Lee Maass , Amanda M. Graham , Kalyan S. Pasupathy

Optimization of patient throughput and wait time in emergency departments (ED) is an important task for hospital systems. For that reason, Emergency Severity Index (ESI) system for patient triage was introduced to help guide manual…

Computers and Society · Computer Science 2018-04-11 Djordje Gligorijevic , Jelena Stojanovic , Wayne Satz , Ivan Stojkovic , Kathrin Schreyer , Daniel Del Portal , Zoran Obradovic

Using SimPy and Discrete Event Simulation we have observed the different model responses of a system consisting of a hospital and people getting sick/healing under different initial conditions. In our model, each independent person can get…

Numerical Analysis · Mathematics 2022-03-25 Dincer Atasoy

We introduce two new optimization models for the dispatch of ambulances. The first model, called the ambulance selection problem, is used when an emergency call arrives to decide whether an ambulance should be dispatched for that call, and…

Optimization and Control · Mathematics 2024-09-10 Vincent Guigues , Anton Kleywegt , Victor Hugo Nascimento

We develop a way of simulating disease spread in networks faster at the cost of some accuracy. Instead of a discrete event simulation (DES) we use a discrete time simulation. This aggregates events into time periods. We prove a bound on the…

Dynamical Systems · Mathematics 2013-04-30 Aaron Lucas , Benjamin Armbruster

State-of-the-art emergency navigation approaches are designed to evacuate civilians during a disaster based on real-time decisions using a pre-defined algorithm and live sensory data. Hence, casualties caused by the poor decisions and…

Other Computer Science · Computer Science 2015-01-06 Huibo Bi , Erol Gelenbe

One of the most urgent problems is the overcrowding in emergency departments (EDs), caused by an aging population and rising healthcare costs. Patient dispositions have become more complex as a result of the strain on hospital…

Machine Learning · Computer Science 2024-12-23 Nafisa Binte Feroz , Chandrima Sarker , Tanzima Ahsan , K M Arefeen Sultan , Raqeebir Rab

Split flow models, in which a physician rather than a nurse performs triage, are increasingly being used in hospital emergency departments (EDs) to improve patient flow. Before deciding whether such interventions should be adopted, it is…

Drawing upon recent advances in language model alignment, we formulate offline Reinforcement Learning as a two-stage optimization problem: First pretraining expressive generative policies on reward-free behavior datasets, then fine-tuning…

Machine Learning · Computer Science 2024-10-31 Huayu Chen , Kaiwen Zheng , Hang Su , Jun Zhu

Emergency response management (ERM) is a challenge faced by communities across the globe. First responders must respond to various incidents, such as fires, traffic accidents, and medical emergencies. They must respond quickly to incidents…

Computers and Society · Computer Science 2023-06-21 Ayan Mukhopadhyay

Shared e-mobility services have been widely tested and piloted in cities across the globe, and already woven into the fabric of modern urban planning. This paper studies a practical yet important problem in those systems: how to deploy and…

Artificial Intelligence · Computer Science 2021-11-04 Man Luo , Bowen Du , Konstantin Klemmer , Hongming Zhu , Hongkai Wen

Environments such as shopping malls, airports, or hospital emergency departments often experience crowding, with many people simultaneously requesting service. Crowding is highly noisy, with sudden overcrowding "spikes". Past research has…

Physics and Society · Physics 2023-08-16 Gil Parnass , Osnat Levtzion-Korach , Renana Peres , Michael Assaf

Simulation data can be utilized to extend real-world driving data in order to cover edge cases, such as vehicle accidents. The importance of handling edge cases can be observed in the high societal costs in handling car accidents, as well…

Robotics · Computer Science 2020-07-24 Shivam Akhauri , Laura Zheng , Ming Lin

The ever-increasing demand for data services and the proliferation of user equipment (UE) have resulted in a significant rise in the volume of mobile traffic. Moreover, in multi-band networks, non-uniform traffic distribution among…

Networking and Internet Architecture · Computer Science 2024-01-26 Saria Al Lahham , Di Wu , Ekram Hossain , Xue Liu , Gregory Dudek