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Correlated dynamics in human printing behaviour

Uli Harder, Maya Paczuski

Journal Article
Physica A
Volume 361
Issue 1
pp.329–336
2006
Elsevier
DOI 10.1016/j.physa.2005.06.079
Abstract

Arrival times of requests to print in a student laboratory were analyzed. Inter-arrival times between subsequent requests follow a universal scaling law relating time intervals and the size of the request, indicating a scale invariant dynamics with respect to the size. The cumulative distribution of file sizes is well-described by a modified power law often seen in non-equilibrium critical systems. For each user, waiting times between their individual requests show long range dependence and are broadly distributed from seconds to weeks. All results are incompatible with Poisson models, and may provide evidence of critical dynamics associated with voluntary thought processes in the brain.

Keywords
AESOP
Notes

Also available at <http://arxiv.org/abs/cs.PF/0412027>

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