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Complexity Digest 2012.02 - 13

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Editor-in-Chief: Carlos Gershenson
Founding Editor: Gottfried Mayer

Neuropsychological constraints to human data production on a global scale, Eur.
Phys. J. B

Abstract: Which are the factors underlying human information production on a
global level? In order to gain an insight into this question we study a corpus
of 252â€"633 mil. publicly available data files on the Internet corresponding to
an overall storage volume of 284â€"675 Terabytes. Analyzing the file size
distribution for several distinct data types we find indications that the
neuropsychological capacity of the human brain to process and record information
may constitute the dominant limiting factor for the overall growth of globally
stored information, with real-world economic constraints having only a
negligible influence. This supposition draws support from the observation that
the files size distributions follow a power law for data without a time
component, like images, and a log-normal distribution for multimedia files, for
which time is a defining qualia.
Source: Neuropsychological constraints to human data production on a global
scale[ ], C. Gros, G. Kaczor and D.
Marković, DOI: 10.1140/epjb/e2011-20581-3, Eur. Phys. J. B Volume 85, Number 1,
January 2012, 2012/01/18

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