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Bayesian Kernel Methods for Critical Infrastructure Resilience Modeling

机译:贝叶斯内核方法,用于关键基础设施弹性建模

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Integrating Bayesian methods with kernel methods has recently garnered attention, as Bayesian methods make use of previous data in order to estimate posterior probability distributions of the parameter of interest given that it follows a specific prior distribution. As the quantification of resilience has become a vital component of infrastructure risk analysis, we use the Beta Bayesian kernel model to estimate resilience metrics used to analyze the recovery process of disrupted critical infrastructure systems. More specifically, stochastic resilience based component importance measures are assessed using the component's characteristics and disruption data. Such estimates would help risk managers determine the overall best recovery strategy of an infrastructure system in case of a disruption impacting multiple components. The model is deployed in an application to an inland waterway transportation network, the Mississippi River Navigation system for which the recovery of disrupted locks and dams on sections of the river is analyzed by estimating the resilience using the Bayesian kernel model.
机译:通过京都方法集成贝叶斯方法最近被关注,因为贝叶斯方法利用先前的数据来估计利益参数的后验概率分布,因为它遵循特定的先前分配。随着恢复力的量化已成为基础设施风险分析的重要组成部分,我们使用Beta Bayesian内核模型来估计用于分析中断关键基础设施系统的恢复过程的恢复过程。更具体地,使用组件的特征和中断数据评估基于随机恢复性的组件重要性措施。这种估计值将有助于风险管理人员在影响多个组件的破坏情况下确定基础设施系统的总体最佳恢复策略。该模型部署在内陆水路运输网络的应用中,密西西比河导航系统,通过使用贝叶斯内核模型估计弹性来分析河段中断锁和水坝的恢复。

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