Collective attention dynamic induced by novelty decay

Zhenpeng Li (), Xijin Tang () and Zhenjie Hong ()
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Zhenpeng Li: Taizhou University
Xijin Tang: Chinese Academy of Sciences
Zhenjie Hong: Wenzhou University

The European Physical Journal B: Condensed Matter and Complex Systems, 2022, vol. 95, issue 8, 1-11

Abstract: Abstract We investigate Chinese BBS-Tianya Club collective users’ behaviors empirically and confirm that emerging attention on posts follows q-exponential novelty decay. We analytically derive a general model of reply asymptotic behavior, showing that the microscopic rate of change obeys the Gibrat proportional effect and q-exponential novelty decay. Rigorous statistical comparison and tests confirm that the empirically observed distribution of replies is subject to power-law distribution with an exponential cutoff, which is consistent with our theoretical analysis, suggesting that the proposed model effectively describes the collective replying dynamics on BBS. Graphical Abstract

Date: 2022
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DOI: 10.1140/epjb/s10051-022-00385-y

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