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In computer science, the small-world phenomenon (although it is not typically called that) is used in the development of secure peer-to-peer protocols, novel routing algorithms for the Internet and ad hoc wireless networks, and search algorithms for communication networks of all kinds.
La teoria del mondo piccolo o dei piccoli mondi, o effetto del mondo piccolo è una teoria matematica e sociologica che sostiene che tutte le reti complesse presenti in natura sono tali che due nodi qualunque possono essere collegati da un percorso costituito da un numero relativamente piccolo di collegamenti [1].
The “ small-world phenomenon ” is a characteristic that differentiates OSN graphs from graphs in general. The phenomenon represents the observation that only a small number of connections are necessary to link two nodes in very large OSN graphs.
We introduce and define three types of small worlds: small worlds based on the diameter of the network (SWD), those based on the average geodesic distance between nodes (SWA), and those based on the median geodesic distance (SWMd). These types of networks are defined as limiting properties of sequences of sets.
4 giu 1998 · It suggests that the small-world phenomenon might be common in sparse networks with many vertices, as even a tiny fraction of short cuts would suffice.
- Duncan J. Watts, Steven H. Strogatz
- 1998
24 ago 2000 · The small-world phenomenon — the principle that most of us are linked by short chains of acquaintances — was first investigated as a question in sociology 1, 2 and is a feature...
1 lug 2009 · The so-called “small-world” phenomenon—related to the idea that everyone is connected to everyone else through only six degrees of separation—has inspired not only scientists, but also artists, journalists, businesspeople, and the general public for many decades.
