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Application of Clustering Algorithms for Dimensionality Reduction in Infrastructure Resilience Prediction Models by Balakrishnan, Srijith; Cassottana, Beatrice; Verma, Arun is a scholarly article available to read on EtoBox.

What is Application of Clustering Algorithms for Dimensionality Reduction in Infrastructure Resilience Prediction Models about?

Recent studies increasingly adopt simulation-based machine learning (ML) models to analyze critical infrastructure system resilience. For realistic applications, these ML models consider the component-level characteristics that influence the network response during emergencies. However, such an approach could result in a large number of features and cause ML models to suffer from the `curse of dimensionality'. We present a clustering-based method that simultaneously minimizes the problem of high-dimensionality and improves the prediction accuracy of ML models developed for resilience analysis in large-scale interdependent infrastructure networks. The methodology has three parts: (a) generation of simulation dataset, (b) network component clustering, and (c) dimensionality reduction and development of prediction models. First, an interdependent infrastructure simulation model simulates the network-wide consequences of various disruptive events. The component-level features are extracted from the simulated data. Next, clustering algorithms are used to derive the cluster-level features by grouping component-level features based on their topological and functional characteristics. Fina

Author

Balakrishnan, Srijith; Cassottana, Beatrice; Verma, Arun

Published

2022

Language

EN