模因传播中的睡美人
Sleeping Beauties in Meme Diffusion
摘要:
“睡美人”是指信息在突然流行之前会经历一个休眠期,它可以是思想或创新,在科学出版物的引用史中广泛存在。然而,在这项研究中,我们证明了睡美人在信息扩散中是一种有趣且不例外的现象,更令人鼓舞的是,在整个传播过程中存在两个连续的睡美人,这表明信息,包括科学主题,搜索查询或维基百科条目,我们称之为模因,会在一段时间内被忽视,突然引起一些注意,然后它又睡着了,后来醒来时又出现了另一个意想不到的流行高峰。对这一现象的进一步探讨表明,两次唤醒之间的时间间隔遵循指数分布,第二次唤醒通常在较高的速度达到其峰值。此外,第一次唤醒的更高音量将导致第二次唤醒的受欢迎程度更高。考虑到这些发现,一个升级的Bass模型,提出了更好地描述模因在不同介质上的扩散动力学。我们的研究结果有助于理解不同模因传播背后的共同机制,并对定位营销中的引爆点或发现科学中的创新出版物具有指导意义。
英文摘要:
A sleeping beauty in diffusion indicates that the information, can be ideas or innovations, will experience a hibernation before a sudden spike of popularity and it is widely found in citation history of scientific publications. However, in this study, we demonstrate that the sleeping beauty is an interesting and unexceptional phenomenon in information diffusion and even more inspiring, there exist two consecutive sleeping beauties in the entire lifetime of propagation, suggesting that the information, including scientific topics, search queries or Wikipedia entries, which we call memes, will go unnoticed for a period and suddenly attracts some attention, and then it falls asleep again and later wakes up with another unexpected popularity peak. Further explorations on this phenomenon show that intervals between two wake ups follow an exponential distribution and the second wake up generally reaches its peak at a higher velocity. In addition, higher volume of the first wake up will lead to even much higher popularity of the second wake up with great odds. Taking these findings into consideration, an upgraded Bass model is presented to well describe the diffusion dynamics of memes on different media. Our results can help understand the common mechanism behind propagation of different memes and are instructive to locate the tipping point in marketing or find innovative publications in science.
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