2 papers
cs.SI2025
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…
cs.SI2025
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…