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Analýza centrality×Detekce komunit×Analýza odolnosti a zranitelnosti sítí×
OborAnalýza sítíAnalýza sítíAnalýza sítí
RodinaProcess / pipelineProcess / pipelineProcess / pipeline
Rok vzniku19792002–2019 (algorithm family)2000
TvůrceLinton C. FreemanLouvain: Blondel et al. (2008); Leiden: Traag et al. (2019); Girvan-Newman: Girvan & Newman (2002); Infomap: Rosvall & Bergstrom (2008)Albert, Jeong & Barabási
TypDescriptive / exploratory network measure familyGraph-partitioning / clustering algorithm familyNetwork robustness / vulnerability framework
Původní zdrojFreeman, L.C. (1979). Centrality in Social Networks: Conceptual Clarification. Social Networks, 1(3), 215-239. DOI ↗Blondel, V.D., Guillaume, J.-L., Lambiotte, R. & Lefebvre, E. (2008). Fast Unfolding of Communities in Large Networks. Journal of Statistical Mechanics, 2008(10), P10008. DOI ↗Albert, R., Jeong, H. & Barabási, A.L. (2000). Error and attack tolerance of complex networks. Nature, 406, 378–382. DOI ↗
Další názvyMerkeziyet Analizi (Degree, Betweenness, Eigenvector), node centrality, centrality measures, graph centralitygraph clustering, network partitioning, Topluluk Tespiti (Louvain, Girvan-Newman, Leiden)network vulnerability analysis, attack tolerance analysis, Ağ Dayanıklılığı ve Güvenlik Açığı Analizi
Příbuzné555
ShrnutíCentrality analysis is a family of network-analytic measures, formalized by Freeman (1979), that quantifies the structural importance of individual nodes within a graph. Each centrality index captures a distinct mechanism of influence: degree centrality reflects direct connectivity, betweenness centrality identifies nodes that broker information flow, closeness centrality captures proximity to all others, and eigenvector centrality (along with PageRank) rewards connection to highly connected neighbors.Community detection is a family of graph-partitioning algorithms that discover densely connected sub-groups — communities — within a network. First formalised through the modularity measure by Girvan and Newman (2002), the field advanced rapidly with the Louvain method (Blondel et al., 2008), the Leiden refinement (Traag et al., 2019), and the information-theoretic Infomap approach. All variants answer the same question: which nodes cluster together more tightly among themselves than with the rest of the network?Network resilience and vulnerability analysis is an analytical framework, formalised by Albert, Jeong, and Barabási (2000), that measures how a network degrades functionally as nodes or edges are progressively removed. By running targeted-attack simulations — removing the highest-centrality nodes first — and random-failure simulations — removing nodes at uniform probability — the framework identifies which structural elements are critical to network integrity and where infrastructure is most exposed.
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ScholarGatePorovnat metody: Centrality Analysis · Community Detection · Network Resilience Analysis. Získáno 2026-06-18 z https://scholargate.app/cs/compare