[bizaro86]

Google Translate of the explanation of the map from it's source. Spoiler for length.

Spoiler!

Map of the Internet
Similarly, any map, Map of the Internet is a diagram showing the relative positions of objects, but, unlike real maps (map of the Earth) or a virtual card (Mordor), on it shows the objects that do not lie on the surface. Mathematically speaking, the Internet is a two-dimensional map display of links between sites on the Internet. Each site is a circle on the map, its size is determined by the attendance of the site, higher attendance - more than a circle. Transitions between the sites users form a connection, the stronger the connection - the closer sites "want to" sit for one another.

Charges and spring
To draw an analogy from classical physics, we can say that the site is charged beads, and a connection spring. The springs attract similar sites, but does not give the same charge and repels balls in contact sites, if there is no connection between them. Initially, all balls sites randomly scattered over the surface of the card. The springs are stretched, the repulsion energy is high - a system far from equilibrium. Then the sites are beginning to move under the influence of applied forces and after a while stopped - the attractive forces are equal to the forces of repulsion, the system reached a dynamic equilibrium. This state is shown on the map the Internet.

It is also possible to have a very rough analogy from quantum physics. In this case, the site is having a material body mass, a single user is a quantum of mass - the same [still] not found Higgs boson, and the act of transition between sites by a quantum gravity - a hypothetical particle the graviton.

Anyway, the real algorithm maps the Internet is quite far from the analogy above. For those interested, the closest description of the mathematical model can be found in [1], and the engineering solution is very similar to that described in [2]. As a platform to display engine used google maps.

The Semantic Web
Map of the Internet is a snapshot of the global network at the end of 2011. It covers more than 350 000 sites from 196 countries and all domain zones. Information on over 2 million connections between sites combined them into thematic clusters. </SPAN>As might be expected, the largest clusters are formed by national sites, ie </SPAN>sites belonging to one country. For convenience, the sites related to one country shows the same color. For example, the red area corresponds to the top of the Runet, yellow on the left - the Chinese segment of the network, purple on the right - in Japan, a large light-blue area in the center of this segment of the U.S., etc.

It is important to note that the clusters are semantic load, ie combine the sites according to their content. For example, you can see a vast cluster of porn between Japan and Brazil, as well as many smaller clusters combining sites of the same industry or a similar orientation.

The phenomenon of the Internet
The Internet is a phenomenon of technological civilization, its exceptional complexity exceeds all ever created by man. </SPAN>This is a huge amount almost an ad hoc information. Map of the Internet is an attempt to look into the hidden structure of the network, to assess its enormous scale, consider that it is impossible to see from the figures of dry statistics.

Comments and suggestions
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