Time-Varying Priority Queuing Models for Human Dynamics

Details Time-Varying Priority Queuing Models for Human Dynamics Time-Varying Priority Queuing Models for Human Dynamics

2011-09-27

arxiv.org/abs/1109.5990v2

Physics

Physics and Society

7 pages, 5 figures

Scientific paper

Queuing models provide insight into the temporal inhomogeneity of human dynamics, characterized by the broad distribution of waiting times of individuals performing tasks. We study the queuing model of an agent trying to execute a task of interest, the priority of which may vary with time due to the agent's "state of mind." However, its execution is disrupted by other tasks of random priorities. By considering the priority of the task of interest either decreasing or increasing algebraically in time, we analytically obtain and numerically confirm the bimodal and unimodal waiting time distributions with power-law decaying tails, respectively. These results are also compared to the updating time distribution of papers in the arXiv.org and the processing time distribution of papers in Physical Review journals. Our analysis helps to understand human task execution in a more realistic scenario.

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