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Network Science Introduction 1
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network_science_december_ch4_2013
As difficult it is to overstate the importance of the World Wide Web in
our daily life, it is equally hard to exaggerate the role the Web played in
the development of network theory. It aided the discovery of a number of
fundamental network properties and became a standard testbed for many
network measures. As its name states, the WWW is a “web” whose nodes
are documents and the links are the uniform resource locators (URLs) that
allow us to move with a click from one web document to the other. With
an estimated size of over one trillion documents (N≃1012
), the Web is the
largest network humanity has ever built. It exceeds in size even the human
brain (N ≃ 1011
neurons).
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