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Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

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Task status evaluation strategy for dynamic traffic police dispatching in accident response.

Minjie Zhang^1,2, Jibiao Zhou³, Sheng Dong^1,2

¹Ningbo University of Technology, Ningbo, 315211, China.

Scientific Reports

|January 27, 2026

Summary

Optimizing police resource allocation for traffic accidents significantly reduces response delays. A new Status Evaluation Strategy (SE90) improves efficiency and stability in dynamic dispatching.

Keywords:

Accident handling delay Police dispatching Task status evaluation strategy Traffic accident management Wilcoxon signed-rank test

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Area of Science:

Operations Research
Traffic Management
Public Safety

Background:

Urban traffic safety faces challenges due to limited police resources and delayed accident response.
Inefficient police resource utilization exacerbates accident handling delays.

Purpose of the Study:

To address the dynamic dispatching of police resources for traffic accident response under uncertainty.
To optimize police resource utilization for improved accident handling efficiency.

Main Methods:

Developed a dynamic assignment optimization model for traffic police.
Proposed a quantile-based Status Evaluation Strategy (SE) using historical data.
Empirical analysis using real-world accident data and Wilcoxon signed-rank tests for comparison.

Main Results:

The Status Evaluation Strategy using the 90th percentile handling duration (SE90) significantly reduced accident handling delay.
SE90 demonstrated superior performance and stability compared to traditional strategies (IR, ALNS) and SE75.
SE90 effectively balanced dispatching decision delay and police travel time.

Conclusions:

The proposed SE90 strategy offers a robust solution for dynamic police resource allocation in traffic accident response.
This study provides a framework for intelligent systems to enhance urban traffic safety and emergency response.
Optimizing police dispatching is crucial for mitigating the impact of traffic accidents.