most citedIntroduction to Graph Neural Networks for Machine Learning Engineers

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q-fin.MF2026

An Actuarial Cost and Revenue Model for Helicopter Emergency Medical Services: Estimating Population-Based Coverage and Sustainability Thresholds

Robert D. Lieberthal, Sabin Ahmed, David M. Hechtman +4

Helicopter emergency medical services (HEMS) provide rapid access to critical care but are costly to operate and difficult to sustain financially. A clear understanding of these co…