Research on Platform Governance and AI

Research

The PGMT Lab does research, teaching and knowledge transfer at the intersection of governance, digital communication and new technologies.

Online Talk Series

We are hosting a monthly online conversation on empirical research on platform governance.  Each session consists of a short input talk by a scholar, followed by ample time for discussions and exchange.

Platform Governance Archive

We are hosting the Platform Governance Archive (PGA) – a longitudinal data repository and interface on social media platforms’ policies and content moderations guidelines.

  • Christian Katzenbach now Editor-In-Chief of New Media & Society

    Christian Katzenbach now Editor-In-Chief of New Media & Society

    ZeMKI Professor Christian Katzenbach has taken over the role of Editor-in-Chief of the field-leading journal New Media & Society together with Australia-based professor Crystal Abidin. The journal has developed from a niche publication covering the emergence of the internet and social media into the key journal in the interdisciplinary field of digital media, communication, and…

  • Nicola Palladino joins PGMT Lab as EU-Africa AI Governance Fellow

    Nicola Palladino joins PGMT Lab as EU-Africa AI Governance Fellow

    The Centre for Media, Communication and Information Research (ZeMKI) at the University of Bremen is pleased to host two “EU-Africa AI Governance Fellows” in 2026 and 2027. Initiated by the PGMT Lab, the fellowship format invites leading international AI governance experts for intensive research and teaching exchanges. Fellows are embedded in AI PAN-AFRICANISM – “Fostering Digital…

  • Christian Katzenbach on AI Control and Regulation on Radio Bremen Zwei

    Christian Katzenbach on AI Control and Regulation on Radio Bremen Zwei

    Our lab’s head, Christian Katzenbach, was a guest on Radio Bremen’s morning show on “Bremen Zwei” on Tuesday, 15 September 2026, where he spoke as an expert about the new wave of “AI will destroy us all” warnings and the resulting calls for AI regulation. The conversation centred on the dramatic warnings issued by some…

  • Platform Governance from Social Media to Generative AI: Shifting Grounds in the Governance of Digital Media

    Platform Governance from Social Media to Generative AI: Shifting Grounds in the Governance of Digital Media

    A summary of the #ECREA26 CLP roundtable by Rebecca Scharlach Last week we met at ECREA in Brno to discuss the shifting grounds of the governance of digital media. Speakers were Diyi Liu (CTS, University of Copenhagen), Alice Lima Baroni (University of East Anglia), Adio Adet-Dika (PGMT Lab, University of Bremen), and Blake Hallinan (Aarhus…

  • Kim Lisa Ermler published: “Everything Is Under Control … or Is It? Frames in German News Media Coverage on Trustworthy AI”

    Kim Lisa Ermler published: “Everything Is Under Control … or Is It? Frames in German News Media Coverage on Trustworthy AI”

    We are happy to share that our lab member, Kim Lisa Ermler, along with Jule Scheper, Tim Robin Kosack, and Christoph Klimmt, has explored the phenomenon of artificial intelligence in public debate in a newly published paper, “Everything Is Under Control… or Is It? Frames in German News Media Coverage on Trustworthy AI”. Following the…

  • EMILDAI Students @PGMT for the Summer

    EMILDAI Students @PGMT for the Summer

    Mauricio Dal Pozzo Schneider and Nataly Garcia Alvarado are MA candidates in the European Master in Law, Data and AI (EMILDAI), an interdisciplinary study programme between Dublin City University, the University of León, and the University of Pisa. For the summer, they are joining the Centre for Media, Communication and Information Research (ZeMKI) at the…

  • New publication: “A tale of two controversies: situated AI frictions and the generative AI tsunami”

    New publication: “A tale of two controversies: situated AI frictions and the generative AI tsunami”

    We are happy to share that a new article titled “A tale of two controversies: situated AI frictions and the generative AI tsunami” has been published in AI & Society. The paper is co-authored by Chiara Poletti, Noortje Marres, Donato Ricci, our lab head Prof. Christian Katzenbach, Lena Marie Henkes, and Guillaume Dandurand. Based on…

  • Rebecca Scharlach Publishes Commentary on “The dark side of public values in algorithmic systems”

    Rebecca Scharlach Publishes Commentary on “The dark side of public values in algorithmic systems”

    We are happy to share that our lab member, Rebecca Scharlach, was invited to write a commentary on the paper “The dark side of public values in algorithmic systems,” written by David Moats, Minna Ruckenstein, Dorthe Kristensen, Maria Eidenskog, Elissa Elhadj, Tuukka Lehtiniemi, Perle Møhl, Ajda Pretnar Žagar, Maiju Tanninen, and Julia Velkova. In her…

  • New Publication: Governing Sexism on TikTok

    New Publication: Governing Sexism on TikTok

    We are excited to share that this article by our lab member Luisa Runge, lab head Christian Katzenbach and Miira Hill has just been published in Feminist Media Studies! “Governing sexism on TikTok: ambiguities and tensions in community guidelines and corporate communication” How does TikTok address sexism and how does its public communication align with…

  • AI PAN-AFRICANISM Kick-Off Workshop

    AI PAN-AFRICANISM Kick-Off Workshop

    This week the AI PAN-AFRICANISM consortium gathered in Bremen to kick-off a joint research and advocacy initiative on Pan-African AI governance. Hosted at the University of Bremen, it marked an inspiring start to the next four years of collaboration. The project is hosted by the PGMT Lab, with Dr. Dennis Redeker as the Principal Investigator,…