A Bayesian Approach to Reconstructing Interdependent Infrastructure Networks from Cascading Failures

• URL: http://arxiv.org/abs/2211.15590v1
• Date: Mon, 28 Nov 2022 17:45:41 GMT
• Title: A Bayesian Approach to Reconstructing Interdependent Infrastructure Networks from Cascading Failures
• Authors: Yu Wang, Jin-Zhu Yu, Hiba Baroud
• Abstract summary: Understanding network interdependencies is crucial to anticipate cascading failures and plan for disruptions. Data on the topology of individual networks are often publicly unavailable due to privacy and security concerns. We propose a scalable nonparametric Bayesian approach to reconstruct the topology of interdependent infrastructure networks.
• Score: 2.9364290037516496
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Analyzing the behavior of complex interdependent networks requires complete information about the network topology and the interdependent links across networks. For many applications such as critical infrastructure systems, understanding network interdependencies is crucial to anticipate cascading failures and plan for disruptions. However, data on the topology of individual networks are often publicly unavailable due to privacy and security concerns. Additionally, interdependent links are often only revealed in the aftermath of a disruption as a result of cascading failures. We propose a scalable nonparametric Bayesian approach to reconstruct the topology of interdependent infrastructure networks from observations of cascading failures. Metropolis-Hastings algorithm coupled with the infrastructure-dependent proposal are employed to increase the efficiency of sampling possible graphs. Results of reconstructing a synthetic system of interdependent infrastructure networks demonstrate that the proposed approach outperforms existing methods in both accuracy and computational time. We further apply this approach to reconstruct the topology of one synthetic and two real-world systems of interdependent infrastructure networks, including gas-power-water networks in Shelby County, TN, USA, and an interdependent system of power-water networks in Italy, to demonstrate the general applicability of the approach.

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