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| Analiza dyfuzji sieciowej× | Analiza modularności× | |
|---|---|---|
| Dziedzina | Analiza sieci | Analiza sieci |
| Rodzina | Machine learning | Machine learning |
| Rok powstania≠ | 1927 (epidemic roots); network formalization 1990s–2000s | 2004 |
| Twórca≠ | Kermack, W. O. & McKendrick, A. G. | Newman, M. E. J. & Girvan, M. |
| Typ≠ | Simulation / analytical model | Community detection / graph partitioning |
| Źródło pierwotne≠ | Kermack, W. O. & McKendrick, A. G. (1927). A contribution to the mathematical theory of epidemics. Proceedings of the Royal Society of London A, 115(772), 700–721. DOI ↗ | Newman, M. E. J., & Girvan, M. (2004). Finding and evaluating community structure in networks. Physical Review E, 69(2), 026113. DOI ↗ |
| Inne nazwy | diffusion on networks, information diffusion, contagion spreading model, network propagation model | Q-modularity, community structure detection, network modularity optimization, graph partitioning by modularity |
| Pokrewne | 5 | 5 |
| Podsumowanie≠ | Network diffusion analysis models how information, diseases, behaviors, or innovations spread across a graph of nodes and edges. Drawing on classical epidemic theory (SI, SIR, SIS) and modern network science, it tracks which nodes become infected, how quickly, and whether the spread reaches a global cascade or dies out locally. | Modularity analysis is a network science method, formalized by Newman and Girvan in 2004, that detects community structure in graphs by measuring whether edges are more concentrated within groups than expected by chance. Its scalar quality index Q guides algorithms that partition nodes into cohesive clusters, making it the most widely adopted framework for community detection in social, biological, and technological networks. |
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