Network representations of the neural network of the nematode C. elegans (top) and of the interstate highways of the contiguous United States (bottom). Colors represent the spatial positions of the nodes inferred by looking at the network structure alone.
From the article:
Generalized Communities in NetworksM. E. J. Newman and Tiago P. Peixoto
Phys. Rev. Lett. 115, 088701 (2015)
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