Universal Features of Correlated Bursty Behaviour

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Universal Features of Correlated Bursty Behaviour

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dc.contributor.author Karsai, Márton
dc.contributor.author Kaski, Kimmo
dc.contributor.author Kertész, János
dc.contributor.author Barabasi, Albert-Laszio
dc.date.accessioned 2013-03-06T21:37:02Z
dc.date.issued 2012
dc.identifier.citation Karsai, Márton, Kimmo Kaski, Albert-László Barabási, and János Kertész. 2012. Universal features of correlated bursty behaviour. Scientific Reports 2:397. en_US
dc.identifier.issn 2045-2322 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:10370570
dc.description.abstract Inhomogeneous temporal processes, like those appearing in human communications, neuron spike trains, and seismic signals, consist of high-activity bursty intervals alternating with long low-activity periods. In recent studies such bursty behavior has been characterized by a fat-tailed inter-event time distribution, while temporal correlations were measured by the autocorrelation function. However, these characteristic functions are not capable to fully characterize temporally correlated heterogenous behavior. Here we show that the distribution of the number of events in a bursty period serves as a good indicator of the dependencies, leading to the universal observation of power-law distribution for a broad class of phenomena. We find that the correlations in these quite different systems can be commonly interpreted by memory effects and described by a simple phenomenological model, which displays temporal behavior qualitatively similar to that in real systems. en_US
dc.language.iso en_US en_US
dc.publisher Nature Publishing Group en_US
dc.relation.isversionof doi:10.1038/srep00397 en_US
dc.relation.hasversion http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3343322/pdf/ en_US
dash.license LAA
dc.subject modelling en_US
dc.subject applied physics en_US
dc.subject geophysics en_US
dc.subject statistical physics en_US
dc.subject thermodynamics en_US
dc.subject nonlinear dynamics en_US
dc.title Universal Features of Correlated Bursty Behaviour en_US
dc.type Journal Article en_US
dc.description.version Version of Record en_US
dc.relation.journal Scientific Reports en_US
dash.depositing.author Barabasi, Albert-Laszio
dc.date.available 2013-03-06T21:37:02Z

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