Risk-based passenger screening could make air travel safer

Intensive screening of all airline passengers actually makes the system less secure by overtaxing security resources, while risk-based methods increase overall security, according to new research. The researchers developed three algorithms dealing with risk uncertainty in the passenger population. Then, they ran simulations to demonstrate how their algorithms could estimate risk in the overall passenger population and how errors in this estimation procedure can be mitigated to reduce the risk to the overall system.

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