Measuring network resilience through connection patterns

Cerqueti, Roy; Ferraro, Giovanna; Iovanella, Antonio

doi:10.1016/j.ress.2019.03.030

Cited by 24 publications

(19 citation statements)

References 31 publications

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“…This paper proposes a novel resilience measure for networks that ranges in the unitary interval. Such a measure represents a relevant extension of the one proposed in Cerqueti et al (2019). In particular, the computational complexity of the original measure has been removed by reasonably assuming-as in the cases of financial contagion-that shocks propagate over the shortest paths.…”

Section: Discussionmentioning

confidence: 99%

“…Indeed, given two nodes i 0 , i k ∈ V , one can have a large number of different paths starting from i 0 and with terminal node i k . Such an evidence is the ground of the computational complexity arising in the resilience measure proposed by Cerqueti et al (2019).…”

Section: The Resilience Measurementioning

confidence: 93%

“…Indeed, by definition, the shocks propagate more likely over the shortest paths than in the non shortest cases. In the considered situation, the percentage of the paths that are of non shortest nature and allowing the propagation of the shock is so small that the deviation between the resilience measures introduced in (5) and that in Cerqueti et al (2019) is not that relevant.…”

Section: Complexity Testmentioning

confidence: 99%

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Financial interbanking networks resilience under shocks propagation

et al. 2022

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The concept of resilience-i.e., the ability of a unified structure to absorb shocks-is of high relevance in the context of network modelling and analysis, mainly when referred to finance. This paper starts from this premise, and deals with the resilience of a financial interbanking system. At this aim, we firstly introduce a new measure of the resilience of a network, by taking into full consideration the influence of the topology of the network and the weights of its links in the shocks propagation; then, we build one financial network model related to the quarterly-based interbanking sector, whose weights are calibrated on high quality empirical data; lastly, we compute the resilience measure of the considered networks. A discussion of the results is provided, by considering both finance and network theory perspectives.

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Section: Discussionmentioning

confidence: 99%

Section: The Resilience Measurementioning

confidence: 93%

Section: Complexity Testmentioning

confidence: 99%

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Financial interbanking networks resilience under shocks propagation

et al. 2022

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“…These aim to propose specific frameworks for identifying the robustness of an airport network. The exploited techniques are rather distinct conceptually, e.g., using shock propagation [69], fuzzy soft sets [70], adaptive capacity [71], rerouting-based approaches [72]. Most of these are evaluated on the US airport network-due to freely available data-and the Chinese airport network.…”

Section: Robustness Measurement and Simulationmentioning

confidence: 99%

Robustness of Air Transportation as Complex Networks:Systematic Review of 15 Years of Research and Outlook into the Future

Sun

Wandelt

2021

Sustainability

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Air transportation systems are an important part of the critical infrastructure in our connected world. Accordingly, a better understanding and improvements in the resilience of the overall air transportation system are essential to the well-functioning of our society and overall sustainability of human beings. In the literature, network science is increasingly used to better understand the resilience dynamics of air transportation. Given the wide application of tools for network science and the importance of designing resilient air transportation systems, a rich body of studies has emerged in recent years. This review paper synthesizes the related literature that has been published throughout the last 15 years regarding the robustness of air transportation systems. The contributions of this work consist of two major elements. The first part provides a comprehensive discussion and cross-comparison of the reported results. We cover several major topics, including node importance identification, failure versus attack profiles, recovery and improvement techniques, and networks of networks approaches. The second part of this paper complements the review of aggregated findings by elaborating on a future agenda for robust air transportation research. Our survey-style overview hopefully contributes toward a better understanding of the state of the art in this research area, and, in turn, to the improvement of future air transportation resilience and sustainability.

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“…Logical methods, such as optimization and game theory, and their applications, are mainly used to address intentional attacks or to draft informed development strategies, depending on the informed payoff value; however, the accuracy of the mathematical formulation of the impacts, each strategy's actual cost, and the probability of predicting each side behavior affects their feasibility [32][33][34]. Analytical methods include complex networks theory (CN) and simple performance measurements, such as pace and shortest path length; these are the most often-used methods in resiliency studies since they are the least resource-demanding and provide metrics with a reasonably acceptable level of accuracy [35][36][37][38][39].…”

Section: Resiliency In Transportation Systemsmentioning

confidence: 99%

Resiliency Assessment of Road Networks during Mega Sport Events: The Case of FIFA World Cup Qatar 2022

Serdar

Al-Ghamdi

2021

Sustainability

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Hosting Mega Sport Events (MSEs) is a formidable expedition that requires enormous investments and that has the potential to reform the nation’s future and create a lasting legacy. However, the increase in environmental concerns is pushing host cities to adopt a compact event approach. Compactness increases the concentration of the load on host cities’ infrastructures, which have to preserve an acceptable level of functionality under any possible disturbance; in other words, they should be resilient. Among these infrastructures, the road network plays the most prominent role in the fans’ experiences and the event’s success. To assess its resilience during MSE, we proposed a multilevel assessment approach that focuses on the network cohesion and critical trips performance under several disturbance scenarios, including natural hazards, intentional attacks, and accidents. The framework was applied to the Doha road network, since Doha will be a host city for the FIFA World Cup in Qatar in 2022, which exhibited a high level of resilience to intentional attacks and accidents scenarios. However, during the natural hazard scenario (flooding), the network experienced severe fragmentation, signaling weak resilience and highlighting the need to improve storm management plans. Future research could investigate the use of weighted graphs to increase the accuracy or incorporate different assessment approaches into the framework.

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Measuring network resilience through connection patterns

Cited by 24 publications

References 31 publications

Financial interbanking networks resilience under shocks propagation

Financial interbanking networks resilience under shocks propagation

Robustness of Air Transportation as Complex Networks:Systematic Review of 15 Years of Research and Outlook into the Future

Resiliency Assessment of Road Networks during Mega Sport Events: The Case of FIFA World Cup Qatar 2022

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