Real Live Graphs Are Mixtures

For the most part, nature's connections are neither regular nor random. A cell or organ communicates mostly with its immediate neighbors as the lattice model implies, but many cells and organs carry on more distant relationships. Cells at one location may produce hormones having global effects over long distances. We form our links on the World Wide Web not at random because we intentionally link to specific pages. So most graphs of "real live things" end up as mixtures somewhere between order and randomness, our two extremes.

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