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Hub (network science)

Index Hub (network science)

In network science, a hub is a node with a number of links that greatly exceeds the average. [1]

11 relations: Barabási–Albert model, Degree (graph theory), Erdős–Rényi model, Network science, Network topology, Power law, Preferential attachment, Reviews of Modern Physics, Scale-free network, Vertex (graph theory), Vilfredo Pareto.

Barabási–Albert model

The Barabási–Albert (BA) model is an algorithm for generating random scale-free networks using a preferential attachment mechanism.

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Degree (graph theory)

In graph theory, the degree (or valency) of a vertex of a graph is the number of edges incident to the vertex, with loops counted twice.

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Erdős–Rényi model

In the mathematical field of graph theory, the Erdős–Rényi model is either of two closely related models for generating random graphs.

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Network science

Network science is an academic field which studies complex networks such as telecommunication networks, computer networks, biological networks, cognitive and semantic networks, and social networks, considering distinct elements or actors represented by nodes (or vertices) and the connections between the elements or actors as links (or edges).

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Network topology

Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network.

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Power law

In statistics, a power law is a functional relationship between two quantities, where a relative change in one quantity results in a proportional relative change in the other quantity, independent of the initial size of those quantities: one quantity varies as a power of another.

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Preferential attachment

A preferential attachment process is any of a class of processes in which some quantity, typically some form of wealth or credit, is distributed among a number of individuals or objects according to how much they already have, so that those who are already wealthy receive more than those who are not.

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Reviews of Modern Physics

Reviews of Modern Physics is a quarterly peer-reviewed scientific journal published by the American Physical Society.

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Scale-free network

A scale-free network is a network whose degree distribution follows a power law, at least asymptotically.

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Vertex (graph theory)

In mathematics, and more specifically in graph theory, a vertex (plural vertices) or node is the fundamental unit of which graphs are formed: an undirected graph consists of a set of vertices and a set of edges (unordered pairs of vertices), while a directed graph consists of a set of vertices and a set of arcs (ordered pairs of vertices).

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Vilfredo Pareto

Vilfredo Federico Damaso Pareto (born Wilfried Fritz Pareto, 15 July 1848 – 19 August 1923) was an Italian engineer, sociologist, economist, political scientist, and philosopher, now also known for the 80/20 rule, named after him as the Pareto principle.

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Hub (network science concept), Network hub.

References

[1] https://en.wikipedia.org/wiki/Hub_(network_science)

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