Constructing temporal networks with bursty activity patterns

Anzhi Sheng, Qi Su, Aming Li (), Long Wang () and Joshua B. Plotkin ()
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Anzhi Sheng: Peking University
Qi Su: Shanghai Jiao Tong University
Aming Li: Peking University
Long Wang: Peking University
Joshua B. Plotkin: University of Pennsylvania

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract Human social interactions tend to vary in intensity over time, whether they are in person or online. Variable rates of interaction in structured populations can be described by networks with the time-varying activity of links and nodes. One of the key statistics to summarize temporal patterns is the inter-event time, namely the duration between successive pairwise interactions. Empirical studies have found inter-event time distributions that are heavy-tailed, for both physical and digital interactions. But it is difficult to construct theoretical models of time-varying activity on a network that reproduce the burstiness seen in empirical data. Here we develop a spanning-tree method to construct temporal networks and activity patterns with bursty behavior. Our method ensures any desired target inter-event time distributions for individual nodes and links, provided the distributions fulfill a consistency condition, regardless of whether the underlying topology is static or time-varying. We show that this model can reproduce burstiness found in empirical datasets, and so it may serve as a basis for studying dynamic processes in real-world bursty interactions.

Date: 2023
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DOI: 10.1038/s41467-023-42868-1

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