An efficient edge swap mechanism for enhancement of robustness in scale-free networks in healthcare systems
by Syed Minhal Abbas; Nadeem Javaid; Nabil Alrajeh; Safdar Hussain Bouk
International Journal of Web and Grid Services (IJWGS), Vol. 20, No. 3, 2024

Abstract: This paper presents a sequential edge swap (SQES) mechanism to design a robust network for a healthcare system utilising energy and communication range of nodes. Two operations: sequential degree difference operation (SQDDO) and sequential angle sum operation (SQASO) are performed to enhance the robustness of network. With equivalent degrees of nodes from the network's centre to its periphery, these operations build a robust network structure. Disaster attacks that have a substantial impact on the network are carried out using the network information. To identify a link between the malicious and disaster attacks, the Pearson coefficient is employed. SQES creates a robust network structure as a single objective optimisation solution by changing the connections of nodes based on the positive correlation of these attacks. SQES beats the current methods, according to simulation results. When compared to hill-climbing algorithm, simulated annealing, and ROSE, respectively, the robustness of SQES is improved by roughly 26%, 19% and 12%.

Online publication date: Fri, 05-Jul-2024

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