Alvaro Uzaheta

5/5 Huge thanks to @johanneswachs.bsky.social for sharing the data, and to the editors & reviewers of the Social Networks Special Issue on Duality 🙌
📖 Read the full paper: doi.org/10.1016/j.so...
We’d love to hear your thoughts!

4/5 Case study: a large-scale social media dataset of professional designers.
Designers tend to interact with others in the same content niche—
but interaction patterns are nuanced, reflecting over-represented network mechanisms such as inertia, reciprocity, and transitivity.

3/5 Our two-step approach leverages rich timestamp resolution to explore how content niche affiliation evolves and influences interactions over time.
It extends Breiger’s classic concept of the duality of persons and groups to the digital context.

2/5 We propose a two-step framework:
📌 Hierarchical Stochastic Block Models (hSBM) — to uncover content niches from metadata
📌 Dynamic Network Actor Model (DyNAM) — to model time-stamped interactions using niche membership as a predictor

Modeling the duality of content niches and user interactions on online social media platforms Individuals use online social media platforms for social interaction and to create, consume and share creative content. Within large platforms, indivi…

1/5 🚨 New publication alert (@socialnetworkslab.bsky.social)!
Join work w/ @auzaheta.bsky.social, @cstadtfeld.bsky.social, and Viviana Amati:
“Modeling the duality of content niches and user interactions on online social media platforms”
www.sciencedirect.com/science/arti...

#sna #bayesian #DyNAM

Network Polarization: In a new paper with @kieranmepham.bsky.social‬ and András Vörös we propose a measure of societal divisions that considers ideological and relational aspects separately, using concepts from network science.
doi.org/10.1017/nws....

🎶 New paper with Xinwei Xu & Alessandro Lomi in Poetics on the "dual clustering of tastes and ties".
Distances between cultural genres aren't just about what you like (tastes)—they're shaped by who you are connected to (ties).
doi.org/10.1016/j.po...