40 citations · 54 across the 6 of their papers we have counts for
7 papers
High prevalence of antagonizing rhetoric in trending topics on Twitter/X
Armin Pournaki, Eckehard Olbrich
Disagreement between political opponents is a central element of democracy. This disagreement can be voiced in different ways. An opponent can be antagonized, i.e. portrayed as an…
How Influencers and Multipliers Drive Polarization and Issue Alignment on Twitter/X
Armin Pournaki, Felix Gaisbauer, Eckehard Olbrich
We investigate the polarization of the German Twittersphere by extracting the main issues discussed and the signaled opinions of users towards those issues based on (re)tweets conc…
A political cartography of news sharing: Capturing story, outlet and content level of news circulation on Twitter
Felix Gaisbauer, Armin Pournaki, Jakob Ohme
News sharing on digital platforms shapes the digital spaces millions of users navigate. Trace data from these platforms also enables researchers to study online news circulation. I…
Order-disorder transition in the zero-temperature Ising model on random graphs
Armin Pournaki, Eckehard Olbrich, Sven Banisch +1
The zero-temperature Ising model is known to reach a fully ordered ground state in sufficiently dense random graphs. In sparse random graphs, the dynamics gets absorbed in disorder…
Grounding force-directed network layouts with latent space models
Felix Gaisbauer, Armin Pournaki, Sven Banisch +1
Force-directed layout algorithms are ubiquitously-used tools for network visualisation across a multitude of scientific disciplines. However, they lack theoretical grounding which…
Ideological differences in engagement in public debate on Twitter
Felix Gaisbauer, Armin Pournaki, Sven Banisch +1
This article analyses public debate on Twitter via network representations of retweets and replies. We argue that tweets observable on Twitter have both a direct and mediated effec…
The Twitter Explorer: a Framework for Observing Twitter through Interactive Networks
Armin Pournaki, Felix Gaisbauer, Sven Banisch +1
We present an open-source interface for scientists to explore Twitter data through interactive network visualizations. Combining data collection, transformation and visualization i…