Towards the understanding of human dynamics

Details Towards the understanding of human dynamics Towards the understanding of human dynamics

2008-01-09

arxiv.org/abs/0801.1389v1

pp. 207-233, in M. Burguete and L. Lam (eds.), Science Matters: Humanities as Complex Systems, World Scientific Publishing, Si

Physics

Physics and Society

28 pages, 16 figures

Scientific paper

Quantitative understanding of human behaviors provides elementary comprehension of the complexity of many human-initiated systems. A basic assumption embedded in the previous analyses on human dynamics is that its temporal statistics are uniform and stationary, which can be properly described by a Poisson process. Accordingly, the interevent time distribution should have an exponential tail. However, recently, this assumption is challenged by the extensive evidence, ranging from communication to entertainment and work patterns, that the human dynamics obeys non-Poisson statistics with heavy-tailed interevent time distribution. This review article summarizes the recent empirical explorations on human activity pattern, as well as the corresponding theoretical models for both task-driven and interest-driven systems. Finally, we outline some future open questions in the studies of the statistical mechanics of human dynamics.

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