Politics and Data Research Group

Data, machine learning, and AI for research on politics, public opinion, and evidence-based policy.

The Politics and Data Research Group comprises researchers from Germany, Ireland, Portugal, Spain, Taiwan, Tunisia, the United Kingdom, and the United States. All members are based or have previously worked with the Group Leader, Stefan Müller, in the School of Politics and International Relations at University College Dublin.

The research group applies data analytics, computational text analysis, machine learning, and large language models to address substantive questions and provide policy recommendations. Our current projects focus on legislative politics, political communication, public opinion, higher education policy, climate and energy policies, artificial intelligence and democracy, and “research on research”. The Handbook (PDF) contains our values, advice, and best practices.

We provide consultancy services to organisations in both the private and public sectors through ConsultUCD. Our consultancy services can be customised to meet your specific needs. Please get in touch if you have any questions.

Meet the Team

Current Members

Stefan Müller
Stefan Müller
Group Leader
Associate Professor
University College Dublin
Sarah King
Sarah King
PhD Researcher
University College Dublin
Mafalda Zúquete
Mafalda Zúquete
PhD Researcher
University College Dublin
Funded by a PhD studentship of the Portuguese Foundation for Science and Technology

Affiliated Members

Brian Boyle
Brian Boyle
Lecturer in Comparative Politics
Newcastle University
Previously Postdoctoral Researcher in the NexSys project
Alberto de León
Alberto de León
Teaching Fellow
Universidad Carlos III de Madrid
Previously Postdoctoral Researcher in a project funded by the Swiss National Science Foundation
Yen-Chieh Liao
Yen-Chieh Liao
Assistant Professor
National Taiwan University
Previously Postdoctoral Researcher in the NexSys project
Jihed Ncib
Jihed Ncib
Postdoctoral Researcher
School of Computer Science
University College Dublin
Robin Rauner
Robin Rauner
Policy Analyst
EirGrid
Previously Research Scientist in the NexSys project

Publications

Below, you find a selection of recent publications. For a full list of publications, please visit the team members’ personal websites.

  • All15
  • Political communication5
  • Elections and voting4
  • Legislative politics4
  • Research on research3
  • Climate and energy2
  • Public opinion2

2026

Yen-Chieh Liao and Li Tang. “Electoral Systems and Geographically Targeted Oversight: Evidence from the Taiwan Legislative Yuan.” Electoral Studies 99: 103026.

DOI

Sebastian Stier, Sebastian A. Popa, Yannis Theocharis, and Brian Boyle. “Online Election Campaigning in Changing Political Environments: A Comparison of the 2014 and 2019 European Parliament Elections.” Party Politics 32(1): 115–126.

DOI

Robin Rauner. “Greenwashing the Future? Computational Text Analysis of Environmental Reporting From the Fossil Fuel Industry.” Climate Policy, 1–16.

DOI Data and Code

Stefan Müller, Gabriel Okasa, Michaela Strinzel, Anne Jorstad, Katrin Milzow, and Matthias Egger. “Gender and Disciplinary Differences in Grant Proposal Peer Review: Content and Sentiment in 39,280 Reports.” PLOS One 21(9): e0352900.

2025

Gabriel Okasa, Alberto de León, Michaela Strinzel, Anne Jorstad, Katrin Milzow, Matthias Egger, and Stefan Müller. “A Supervised Machine Learning Approach for Assessing Grant Peer Review Reports.” Quantitative Science Studies 6: 1189–1214.

Brian Boyle, Yen-Chieh Liao, Sarah King, Robin Rauner, and Stefan Müller. “Catalysts for Progress? Mapping Policy Insights From Energy Research.” Energy Research & Social Science 121: 103955.

Yen-Chieh Liao. “Electoral Reform and Fragmented Polarization: New Evidence from Taiwan Legislative Roll Calls.” Legislative Studies Quarterly 50(1): 3–21.

DOI

James P. Cross, Derek Greene, Stefan Müller, and Martijn Schoonvelde. “Mapping Digital Campaign Strategies: How Political Candidates Use Social Media to Communicate Constituency Connection and Policy Stance.” Computational Communication Research 7(1): 1–32.

DOI Data and Code

Stefan Müller and Naofumi Fujimura. “Campaign Communication and Legislative Leadership.” Political Science Research and Methods 13(3): 545–566.

DOI Data and Code

Royce Carroll, Yen-Chieh Liao, and Li Tang. “(Mis)perception of Party-voter Congruence and Satisfaction with Democracy.” Political Science Research and Methods 13(4): 885–902.

DOI Data and Code

Heinz Brandenburg, Brian Boyle, and Yulia Lemesheva. “Brexit and the Iraq War on BBC Question Time: Demographic and Political Issue Representation in UK Public Participation Broadcasting.” The International Journal of Press/Politics 30(4): 980–1000.

DOI

2024

Stefan Müller and Sven-Oliver Proksch. “Nostalgia in European Party Politics: A Text-Based Measurement Approach.” British Journal of Political Science 54(3): 993–1005.

Stefan Müller and Jihed Ncib. “Legislating Landlords: Private Interests, Issue Emphasis, and Policy Positions.” Legislative Studies Quarterly 49(4): 925–942.

DOI Data and Code

Stefan Müller, Samuel Brazys, and Alexander Dukalskis. “Discourse Wars and ‘Mask Diplomacy’: China’s Global Image Management in Times of Crisis.” Political Research Exchange 6(1): 2337632.

Brian Boyle. “Engineering Democracy: Electoral Rules and Turnout Inequality.” Political Studies 72(1): 177–199.

DOI

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Research Projects

Assessing and Explaining Environmental and Energy Policies in Comparative Perspective

Researchers Stefan Müller, Brian Boyle, Yen-Chieh Liao, and Robin Rauner

Funding Next Generation Energy Systems (NexSys)

Political parties, politicians, companies, and interest groups increasingly discuss how to achieve a net-zero carbon emissions future, but systematic evidence that tracks these political debates is still lacking. The project seeks to identify the problems political actors raise and solutions they offer regarding renewable energy, sustainability, and water treatment. The project will also assess how companies and interest groups aim to reduce greenhouse gas emissions and help mitigate the impacts of climate change. By combining quantitative text analysis, human coding, and supervised machine learning, it will define and map (proposed) policies relating to the environment and sustainability, and provide recommendations for policymakers.

Publications

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Analysing Grant Peer Review Reports Using Machine Learning

Researchers Stefan Müller and Alberto de León

Funding Swiss National Science Foundation

Peer review plays an essential role in grant evaluation. External peer review reports by international experts contribute to assessing the feasibility and quality of grant applications and provide an essential basis for funding decisions. This research project analyses the texts of anonymised grant review reports along several dimensions using human coding and machine learning. We seek to conceptualise characteristics of grant peer review reports and classify a large corpus of review reports. The project investigates whether strategic initiatives and new evaluation procedures have the desired effects on the content and structure of review reports.

Publications

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Associated Research Centres

Group members are involved in the following research centres and labs, as principal investigators, project researchers, and collaborators. Much of the work described under research projects is carried out with them.

An interdisciplinary hub at University College Dublin for researchers studying politics and society through computational methods, hosted by the College of Social Sciences and Law.
NexSys – Next Generation Energy Systems, an all-island, multidisciplinary research programme uniting nine academic and nine industry partners to accelerate energy system decarbonisation. Funded by Science Foundation Ireland, it works towards evidence-based, just pathways to a net-zero energy system.
A national research centre for energy system decarbonisation, bringing together ten partner institutions across science, engineering, economics, policy, and the social sciences. It takes a whole-system view, from renewable energy supply and smart grids through to how energy is used in transport, industry, and communities.
An interdisciplinary institute at University College Dublin producing policy-relevant, empirically grounded research across demography, economics, education, law, political science, psychology, public health, and sociology.
A research group at the University of Zurich studying how digital technology shapes politics and democracy through computational social science, building shared infrastructure for scalable, replicable data collection and analysis. Its work spans political communication and public opinion, e-government, AI and governance, civic tech and participation, platform regulation, and state surveillance and repression.
An interdisciplinary unit connecting researchers working on democracy across the university and raising the visibility of their work. The Centre engages the public on current debates on democracy in Ireland, Europe, and the wider world, and offers consultancy services, including commissioned research reports.
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