09:00–09:15 Welcome
09:15–10:00 Title TBA
Graham Wetherall-Grujic (The Innovation in Politics Institute, Berlin)
10:00–10:10 Pitches for demos
10:10–10:30 Coffee break
10:30–11:00 Context Engine — Charlie Thompson
Dembrane — Cesare Dalbagno
11:00–11:30 Plural: A Civic-Tech Platform for Structured Citizen Participation in Switzerland — Maurice Lanz
CrowdInsights: A Civic Engagement Platform for Municipalities and Organisations — Marie Kern
11:30–12:00 Open DLP: Sortition Europe's 2-step democratic lottery platform — Krisztina Kocsis
European Alternatives — Billie Dibb
12:00–12:30 The Democracy Test for public-sector AI — Herman Veluwenkamp, Jonne Maas
A proposal interface for trustworthy Digital Democracy — Xenia Klinge
12:30–13:30 Lunch break
13:30–13:55 Building the Foundation for Deliberation at Scale using Open Democratic Lotteries
Alessandra Carrera, Brett Hennig
13:55–14:20 How representative are deliberations? Aligning perspectives in maxi- and mini-publics
Erica Celine Yu, Cesare Dalbagno
14:20–14:40 Pitches for posters
14:40–15:00 Coffee break
15:00–17:00
Enhancing Public Consultations in Citizen Assemblies through Online Participation Platforms
Nicolien Janssens
Organisational conditions for flourishing digital democracies: Analysis of coordinating and supporting stakeholders' perceptions of what matters
Laurien Coenen
Reasoning Enhances Robustness to Prompt Injection in LLM-Based Consensus
Jairo Gudiño, Juan Ignacio Zambrano, Umberto Grandi, Cesar A. Hidalgo
Can Deliberative Communication Survive in a Polarized Society? The Case of Talk Page Discussions on the Hebrew Wikipedia
Azi Lev-on
Support what you preach? Citizens' democratic conceptions and their support for democratic innovations
Zeynep Beyza Yildizdan
Algorithmic Shortlisting in Participatory Budgeting
Juan Ignacio Zambrano, Clément Contet, Jairo Gudiño, Felipe Garrido-Lucero, Umberto Grandi, Cesar A. Hidalgo
Lost in Deliberation: Informational Deadlocks
Matteo Michelini, Carlo Proietti
Assessing Debates Under Sparse Participation: Representing and Propagating Uncertainty to Summarize Digital Deliberation
Jordan Thieyre, Aurélie Beynier, Sebastien Destercke, Nicolas Maudet, Srdjan Vesic
Fairness Without Labelled Data: Assessing and Improving LLM Representational Fairness in Summarising Politically Polarised Discourse
Kaley Burg, Sylvia Kritzinger, Jan Maly, Sebastian Tschiatschek
Fair Decisions through Plurality: Results from a Crowdfunding Platform
Joel Miller, Leon Erichsen, E. Glen Weyl, Chris Kanich
People Are Not Just Their Countries. Disentangling Social Determinants of LLM Value Alignment Across Europe
Maria-Louisa Wightman, Guillaume Bied, Tijl De Bie
Liquid Democracy Is a Random Walk: A Spectral Theory of Delegation
Gustav Olaf Yunus Laitinen-Fredriksson Lundström-Imanov, Nurana Abdullayeva
From infrastructure to agonistic spaces: the role of civic tech as social innovation sites in democratic participation
Selin Oner, Shefali Virkar, Monica Edwards-Schachter, Chuan Li
The Democratic Resilience Index (DRI) as an Evaluation Framework for Civic Technology
Sophie Laurence Vériter
Beyond removal: Designing safer digital participation without losing voices
Michiel Nuytemans, Hanne Bastiaensen
09:15–10:00 Title TBA
Manon Revel (Google DeepMind)
10:00–10:30 Coffee break
10:30–10:55 What works to reduce misinformation sharing online? Evidence from an intervention tournament
George Georgarakis
10:55–11:20 The Role of Search Engines in the Amplification and Suppression of LGBTIQ+ Polarization
Ronja Rönnback, Chris Emmery, Marie Safar Postma, Filip Milde, Jan Charvat, Henry Brighton
11:20–11:30 Short break
11:30–11:55 Efficient Elicitation of Collective Disagreements
Mohamed Ouaguenouni, Umberto Grandi, Felipe Garrido-Lucero, Magdalena Tydrichova, Cesar A. Hidalgo
11:55–12:20 Reducing Polarization via Bridging Comments in Deliberation Platforms
Nisarg Shah
12:20–13:30 Lunch break
13:30–13:55 How AI Reaches Communities: Why Digital Democracy Needs Civil Society
Julia Drumel
13:55–14:20 Proactive Dialogue Management for Conversational Agents in Voting Advice Applications
Fynn Bachmann, Selene Baez Santamaria, Abraham Bernstein
14:20–14:30 Short break
14:30–14:55 Graph-Augmented Digital Twins as Decision-Support Tools for Political Organizations
Jairo Gudiño, Joshua C. Yang, Dirk Helbing
14:55–15:20 Multiwinner Voting with Incomplete Approval Preferences
Felicia Schmidt, Jan Maly, Anton Baychkov, Markus Brill
15:20–15:50 Coffee break
15:50–16:35 Title TBA
Claes de Vreese (University of Amsterdam)
16:35–16:50 Closing
09:30–11:00 LLMs in social science research
Coffee break
11:30–13:00 Computational social choice methods for digital democracy
09:30–11:00 Quantitative methods in social science
Coffee break
11:30–13:00 Qualitative methods in social science