Modeling temporal networks with bursty activity patterns of nodes and links

Takayuki Hiraoka, Naoki Masuda, Aming Li, Hang-Hyun Jo*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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The concept of temporal networks provides a framework to understand how the interaction between system components changes over time. In empirical communication data, we often detect non-Poissonian, so-called bursty behavior in the activity of nodes as well as in the interaction between nodes. However, such reconciliation between node burstiness and link burstiness cannot be explained if the interaction processes on different links are independent of each other. This is because the activity of a node is the superposition of the interaction processes on the links incident to the node, and the superposition of independent bursty point processes is not bursty in general. Here we introduce a temporal network model based on bursty node activation, and we show that it leads to heavy-tailed interevent time distributions for both node dynamics and link dynamics. Our analysis indicates that activation processes intrinsic to nodes give rise to dynamical correlations across links. Our framework offers a way to model competition and correlation between links, which is key to understanding dynamical processes in various systems.
Original languageEnglish
Article number023073
Number of pages8
Issue number2
Publication statusPublished - 24 Apr 2020
MoE publication typeA1 Journal article-refereed


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