A Data-Driven Probabilistic Framework for Cascading Urban Risk Analysis Using Bayesian Networks

• URL: http://arxiv.org/abs/2505.06281v1
• Date: Wed, 07 May 2025 05:24:10 GMT
• Title: A Data-Driven Probabilistic Framework for Cascading Urban Risk Analysis Using Bayesian Networks
• Authors: Chunduru Rohith Kumar, PHD Surya Shanmuk, Prabhala Naga Srinivas, Sri Venkatesh Lankalapalli, Debasis Dwibedy,
• Abstract summary: This study presents a network-based approach for analyzing cross-domain risk propagation across key urban domains.<n>The framework is trained on a hybrid dataset that combines real-world urban indicators with synthetically generated data.<n>The results identify key intra- and inter-domain risk factors and demonstrate the framework's utility for proactive urban resilience planning.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The increasing complexity of cascading risks in urban systems necessitates robust, data-driven frameworks to model interdependencies across multiple domains. This study presents a foundational Bayesian network-based approach for analyzing cross-domain risk propagation across key urban domains, including air, water, electricity, agriculture, health, infrastructure, weather, and climate. Directed Acyclic Graphs (DAGs) are constructed using Bayesian Belief Networks (BBNs), with structure learning guided by Hill-Climbing search optimized through Bayesian Information Criterion (BIC) and K2 scoring. The framework is trained on a hybrid dataset that combines real-world urban indicators with synthetically generated data from Generative Adversarial Networks (GANs), and is further balanced using the Synthetic Minority Over-sampling Technique (SMOTE). Conditional Probability Tables (CPTs) derived from the learned structures enable interpretable probabilistic reasoning and quantify the likelihood of cascading failures. The results identify key intra- and inter-domain risk factors and demonstrate the framework's utility for proactive urban resilience planning. This work establishes a scalable, interpretable foundation for cascading risk assessment and serves as a basis for future empirical research in this emerging interdisciplinary field.

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