arXiv 1601.008642016-01-08physics.soc-phcs.SI

论人类行为中突发性的起源：维基百科编辑案例

On the origin of burstiness in human behavior: The wikipedia edits case

Yerali Gandica, Joao Carvalho, Fernando Sampaio Dos Aidos, Renaud Lambiotte, Timoteo Carletti

备注：: 12 pages, 7 figures and 1 table

摘要：

许多人类活动都表现出突发模式，即非常高的活动期之后是休息期。该过程的记录生成事件的时间序列，其事件间时间遵循显示厚尾的概率分布。这种现象的原因尚不清楚。在目前的工作中，我们使用免费提供的维基百科的编辑记录来解决这个问题，通过测量突发的水平，以及由不同的编辑器在不同的页面中执行的编辑任务的记忆效果。我们的主要发现是，即使编辑活动是由昼夜24小时周期的条件，在一天中的给定时间的给定持续时间的活动的条件概率是独立于后者。这表明，人类活动似乎与开始一项行动的高“成本”有关，而继续该行动的“成本”要低得多。

英文摘要：

A number of human activities exhibit a bursty pattern, namely periods of very high activity that are followed by rest periods. Records of this process generate time series of events whose inter-event times follow a probability distribution that displays a fat tail. The grounds for such phenomenon are not yet clearly understood. In the present work we use the freely available Wikipedia's editing records to tackle this question by measuring the level of burstiness, as well as the memory effect of the editing tasks performed by different editors in different pages. Our main finding is that, even though the editing activity is conditioned by the circadian 24 hour cycle, the conditional probability of an activity of a given duration at a given time of the day is independent from the latter. This suggests that the human activity seems to be related to the high "cost" of starting an action as opposed to the much lower "cost" of continuing that action.

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