I’m speaking in the next session at the ZeMKI 20th anniversary conference in Bremen, which is on deliberation and polarisation, but we begin with Hilke Brockmann, whose focus is on ‘echo chambers’ amongst political elites. These are believed to be a risk to democratic processes, and driven by algorithmic processes; but these ideas have rightly been challenged in recent years. We would do better to focus on polarised interactions between political elites, and especially on the margins of the political environment, and this may be intensified by external political events.
The present study examined this by assessing tweets by all …
The final speaker in this session at the AoIR 2025 conference is the brilliant Fabio Giglietto, presenting a study of pro-Bolsonaro narratives on Facebook in Brazil. The key question here is whether online hyperpartisan groups are as stable as they are thought to be; is that true, and how does such stability fare in times of intense political crisis?
Brazil is an obvious case for the study of such questions. The project tracked some 59 pro-Bolsonaro accounts between 2021 and 2023, a timeframe including Bolsonaro’s election loss against Lula and his subsequent coup attempt. The dataset contains some 12 million …
After my stops in Brussels, Aarhus, Hamburg, and Bergen I'm now on the Brazilian leg of this conference journey, having already visited Belo Horizonte and Porto Alegre for satellite symposia before the AoIR 2025 conference proper begins tomorrow. Here are some updates from those events, and slides for my presentations.
After a week spent in Brussels and at the 25th anniversary of the Center for Internet Research in Aarhus, I’ve now arrived in Hamburg for the inaugural Search Engines and Society (SEASON) 2025 conference, which begins with a keynote by the great Matthias Spielkamp, the founder of German NGO AlgorithmWatch, who is also a partner in our ARC Centre of Excellence for Automated Decision-Making and Society. His keynote reflects on the past ten years of AlgorithmWatch’s efforts to promote algorithmic accountability.
AlgorithmWatch is a non-profit NGO based in Berlin and Zürich, seeking to ensure that algorithms serve to strengthen …