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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 6: Physics of Contagion Processes II (joint session SOE/DY)

SOE 6.3: Vortrag

Dienstag, 28. März 2023, 10:30–10:45, ZEU 260

Short messages spread wider in online social networks — Patryk A. Bojarski, •Krzysztof Suchecki, and Janusz A. Holyst — Faculty of Physics, Warsaw University of Technology, Warsaw, 00-662 Poland

We explore the behavior of an online message spreading model, that includes mutable message content, user opinions and limited processing capacities. The model shows robust power-law distribution of the number of shares for different messages and that the tail of the distribution is composed almost entirely of very short messages. The possibility to modify message content by spreaders makes already popular, short messages even more popular if the users are selective about what content they spread, but not too much. The distribution of message variants is also a power-law, in agreement with real message spreading in Facebook. The behavior of the model is robust against model parameters and network topology variations and offers an explanation as to why services focused on short messages, such as Twitter, are popular.