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学术报告:Evidence for a bimodal distribution in human communication


时间:2015/05/21 08:37:00作者:kyms点击量:
报告题目Evidence for a bimodal distribution in human communication

:吴烨 副教授 (北京邮电大学理学院)

报告时间2015521日(星期四),下午330

报告地点物理学与信息技术学院 五层沙龙室(长安校区致知楼3515房间)

王新刚 教授

报告摘要

Interacting human activities underlie the patterns of many social, technological, and economic phenomena. Here we present clear empirical evidence from Short Message correspondence that observed human actions are the result of the interplay of three basic ingredients: Poisson initiation of tasks and decision making for task execution in individual humans as well as interaction among individuals. This interplay leads to new types of inter-event time distribution, neither completely Poisson nor power-law, but a bimodal combination of them. We introduce a minimal model of two interacting priority queues incorporating the three basic ingredients which fits well the distributions using the parameters extracted from the empirical data. The model can also embrace a range of realistic social interacting systems such as e-mail and letter communications when taking the time scale of processing into account. Our analysis and modeling of bimodal activity in human communication from the viewpoint of the interplay between processes of different time scales is likely to shed light on bimodal phenomena in other complex systems, such as inter-event times in earthquakes, rainfall, forest fire, and economic systems, etc.

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物理学与信息技术学院

2015521

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