Empirical Analysis of User Life Span in Microblog

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 260)


The aim of this work is to study two kinds of user life spans and their connection to the distribution of followers, friends and statuses in microblog. Both the user activity spans and user age approximately follow a two-part exponential distribution. Moreover, the users’ average number of followers and statuses increases linearly with the active span, but the average number of friends does not change significantly during the life span. We plot the distribution of users, followers, friends, and statuses as a cumulative sum to obtain a strict power-law form, which indicates an allometric growth phenomenon. These new findings show that the users’ production capacity is consistent and with self-similar growth ability in different user activity spans. We argue that the scale effect of user count development is the reason for the allometric growth phenomenon in microblog.


Life spans Power-law Allometric growth Microblog 



This work has been supported by the National Natural Science Foundation of China under Grant 61172072, 61271308, the Beijing Natural Science Foundation under Grant 4112045, the Research Fund for the Doctoral Program of Higher Education of China under Grant W11C100030, the Beijing Science and Technology Program under Grant Z121100000312024.


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Key Laboratory of Communication and Information Systems, Beijing Municipal Commission of EducationBeijing Jiaotong UniversityBeijingChina
  2. 2.Computer Network Information CenterChinese Academy of SciencesBeijingChina

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