In graph theory, a tree is a connected acyclic graph unless stated otherwise, in graph theory trees and graphs are assumed undirected.

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In graph theory and social network analysis, alpha centrality is a measure of centrality of nodes within a graph.

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A Graphviz dot graph editor for KDE

A Graphviz dot graph viewer for KDE

A complete graph of order 3 is called a triangle.

(See graph at right.

For a high resolution version of this graph, click here.

Call it a visualization of your social graph in action.

This graph looks boring, but this graph is the reason I get excited and wake up every morning.

Graph 1 below, shows business acquisition by client share graph 2 groups acquisition into its market segments and graph 3 illustrates the trend in acquisitions from 2000 to 30 November 2004.

Source WHO. Graph by Kuang Keng Kuek Ser for PRI. Click the image to visit the interactive graph on PRI.org

A graph showing how the Internet was strangled being widely circulated on Twitter

In mathematics, percolation theory describes the behavior of connected clusters in a random graph.

So Yochai showed you the graph of what the cost of a printing press was.

The very first thing I want to do is start my talk with a graph.

And in a moment, I'm going to show you a graph, and what you'll see on this graph it begins in 1973, just before women start flooding the workforce, and it brings us up to our current day.

And this graph doesn't even mean anything it's fake data.

Some Analyses of Erdős Collaboration Graph , Vladimir Batagelj and Andrej Mrvar.

Depending on the context the graph can be directed or undirected.

There s a clear difference in frame when we compare one side of the graph to the other.