Diameter of the World-Wide Web

Article Abstract:

The huge size of the World Wide Web, estimated to be at least 8X10(8), makes it difficult to determine its local connectivity and distribution of links. A robot has been constructed which adds to its database all links found on each HTML document and follows these to retrieve the related documents. Despite its increasing size, it is found that the average diameter of the web is only 19 links.

Models, World Wide Web, Topology

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Darwin and Einstein correspondence patterns

Article Abstract:

Charles Darwin's and Albert Einstein's patterns of correspondence and latest electronic exchanges follow the same scaling laws. The response times of their surface-mail communication is described by a different scaling exponent from e-mail communication, providing evidence for a new class of phenomena in human dynamics.

Science & research, Analysis, Records and correspondence, Scaling laws (Statistical physics), Scaling laws (Mathematical physics), Darwin, Charles, Einstein, Albert

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Error and attack tolerance of complex networks

Article Abstract:

A study of complex networks is presented with reference to their resistance to attack. The stability and robustness of certain types of networks despite errors or malfunctions is examined.

Computer networks, Usage, Letter to the Editor, Cell research, Cytological research, Stability

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