Publications

Peer-reviewed papers & reports from DigiPols

A growing body of work across our three research clusters: Applied Political Communication, Media & Social Media Monitoring, and Public Opinion & Argument Mining. Filter by cluster or sort by date.

Biased by Design? Evaluating Bias and Behavioral Diversity in LLM Annotation of Real-World and Synthetic Hotel Reviews

Public Opinion and Argument Mining

AI, 6(8), 178

Voutsa, M.C., Tsapatsoulis, N., and Djouvas, C.

DataPoll: A Tool Facilitating Big Data Research in Social Sciences

Media and Social Media Monitoring

IEEE Transactions on Computational Social Systems, 12(2), 511–524

Charalampous, A., Djouvas, C., and Christodoulou, C.

Improving issue representation with candidate-level voting advice applications

Applied Political Communication

European Journal of Political Research, 64(4), 2132–2145

Germann, M., Mendez, F., Wheatley, J., Djouvas, C., Nezi, R., and Wall, M.

LLMs are not for everything: A Dataset and Comparative Study on Argument Strength Classification

Public Opinion and Argument Mining

Proceedings of the 28th Pan-Hellenic Conference on Progress in Computing and Informatics, 437–443

Djouvas, C., Charalampous, A., Christodoulou, C.J., and Tsapatsoulis, N.

A practical guide on what not to write on the internet (if you are a dissident of an authoritarian regime)

Applied Political Communication

15th Annual Conference of the European Political Science Association (EPSA 2025), Madrid

Christodoulou, C., Kovras, N., Ioannidis, I., and Djouvas, C.

Creating public value in regional policy. Bringing citizens back in

Applied Political Communication

Public Management Review, 26, 811–835

Mendez, C., Pegan, A., and Triga, V.

Slantwise Disengagement: Explaining Facebook Users’ Acts Beyond Resistance/Internalization of Domination Binary

Media and Social Media Monitoring

Convergence: The International Journal into New Media Technologies

Papa, V., and Kouros, Th.

Strategic Choices: How Tailored Information Influences Election Dynamics

Applied Political Communication

ECPR General Conference 2024

Djouvas, C., Guinjoan, M., Ioannidis, N., Mendez, F., and Rodon, T.

Videography in the service of Social Movement Visibility and Interaction Amidst the Pandemic: The case of the Support Art Workers’ Initiative in Greece

Applied Political Communication

Journal of Popular Communication

Constandinides, C., Papa, V., and Ioannou, M.

The Waning of Ideology? Presidential elections in the Republic of Cyprus, 5 February 2023

Applied Political Communication

South European Society and Politics, 28(2)

Triga, V., Ioannidis, N., and Djouvas, C.

As bad as humans: Can machine learning text analysis be used for framing analysis

Public Opinion and Argument Mining

17th European Consortium of Political Research (ECPR 2023), Prague

Djouvas, C., Manavopoulos, V., and Mendez, F.

Reviewing the impact of Facebook on civic participation: The mediating role of algorithmic curation and platform affordances

Media and Social Media Monitoring

Journal of Communication Review

Papa, V., and Ioannides, N.

Do Facebook and Google care about journalism? Mapping the relationship between affordances of GNI/FJP tools and journalistic norms

Media and Social Media Monitoring

Digital Journalism

Papa, V., and Kouros, Th.

Identifying Euroscepticism Using a Text-As-Data Approach: An Experimental Study Employing Parliamentary Speeches

Applied Political Communication

18th IEEE International Workshop on Semantic and Social Media Adaptation & Personalization (SMAP 2023)

Djouvas, C., Christodoulou, C., Charalampous, A., and Ioannidis, N.

The 10-year anniversary of intense protest in Greece and the role of Facebook

Applied Political Communication

Journal of Information Technology & Politics

Papa, V., and Ioannou, M.

The dissemination of science news in social media platforms during the COVID-19 crisis: Characteristics and selection criteria

Media and Social Media Monitoring

Communication & Society

Maniou, Th., and Papa, V.

Do Voting Advice Applications affect party preferences? Evidence from field experiments in five European countries

Applied Political Communication

Political Communication, 40(5), 596–614

Germann, M., Mendez, F., and Gemenis, K.

Conspiratorial narratives on Facebook and their historical contextual associations: A case study from Cyprus

Media and Social Media Monitoring

Journal of Communication Inquiry

Kouros, Th., Papa, V., Ioannou, M., and Kapnisis, V.

COVID-19 conspiracy beliefs and vaccination intentions among social media users

Public Opinion and Argument Mining

Statistics, Politics and Policy, 13(3), 279–296

Research for CULT Committee – The European Union’s Approach to Multilingualism in its Own Communication Policy

Media and Social Media Monitoring

European Parliament (CULT Committee)

Mendez, C., Gazzola, M., Clement-Wilz, L., Triga, V., Mendez, F., Djouvas, C., Charamboulos, A., and Bachtler, J.

‘What’s up with ur emotions?’ Untangling emotional user experience on Second Life and Facebook

Media and Social Media Monitoring

Behaviour & Information Technology, 1–14

Photiadis, Th., and Papa, V.

The European Union’s approach to multilingualism in its own communication policy

Media and Social Media Monitoring

European Parliament Study

Mendez, C., Gazzola, M., Clement-Wilz, L., Triga, V., Mendez, F., Djouvas, C., Charalampous, A., and Bachtler, J.

Modeling and Validating a News Recommender Algorithm in a Mainstream Medium-Sized News Organization: An Experimental Approach

Applied Political Communication

Future Internet, 14(10), 284

Spyridou, P., Djouvas, C., and Milioni, D.

The oppositional affordances of data activism

Media and Social Media Monitoring

Media International Australia, 183(1), 1–16

Milioni, D., and Papa, V.

Quo Vadis Computer Science? The topics of the influential papers during the period 2014–2021

IEEE International Conference on Pervasive Intelligence and Computing (PICom 2022)

Tsapatsoulis, N., Partaourides, H., Christodoulou, C., and Djouvas, C.

Algorithmic Curation and Users’ Civic Attitudes: A Study on Facebook News Feed Results

Media and Social Media Monitoring

Information, 12(522), 1-13.

Papa V., and Photiadis Th.

Can data activism strengthen the agency of ‘common’ users? An empirical study of oppositional affordances and use positions toward Facebook

Media and Social Media Monitoring

Annual Conference of International Association of Media and Communication Research (IAMCR 2021)

Papa, V., Milioni, D., and Djouvas, C.

Journalism education in the post-truth era: An exploration of the voices of journalism students in Greece and Cyprus

Applied Political Communication

Media Practice and Education, 22(1), 1-14.

Theodosiadou S., Spyridou P-L., Panayiotou N., Milioni D. and Papa, V.

Mapping Voters’ Engagement with Political Information Sites: The Case of Voting Advice Applications

Applied Political Communication

European Consortium for Political Research General Conference (ECPR 2021)

Djouvas, C., Manavopoulos, V., and Mendez, F.

Many losers– One winner? An examination of vote switching to the AfD in the 2017 German federal election using VAA data

Applied Political Communication

Party Politics, 27(5), 870–882

Wurthmann, L.C., Marschall, S., Triga, V., and Manavopoulos, V.

EU Cohesion Policy under the Media Spotlight: Exploring Territorial and Temporal Patterns in News Coverage and Tone

Media and Social Media Monitoring

Public Opinion and Argument Mining

Journal of Common Market Studies

Mendez, C., Mendez, F., Triga, V. and Carrascosa, J. M.

Recurrent narratives around the COVID-19 crisis in social networks: A case study analysis on Facebook

Media and Social Media Monitoring

Tripodos, 27(2), 11-28.

Papa V., and Maniou, Th.

Salience of Fakeness: Experimental Evidence on Readers’ Distinction between Mainstream Media Content and Altered News Stories

Public Opinion and Argument Mining

Journal of Communication: Media Watch, 11 (3), 386-400.

Maniou Th., Papa, V., and Bantimaroudis, Ph.

The Visibility and Communication of Cohesion Policy in Online Media

Media and Social Media Monitoring

Public Opinion and Argument Mining

Report

Mendez, C., Triga, V., Bachtler, J., Djouvas, C., Mendez, F. and Stier, S.

Getting out the vote with Voting Advice Applications

Applied Political Communication

Political Communication, 36: 149–170

Germann, M. and Gemenis, K.

Helping citizens to locate political parties in the policy space: A dataset for the 2014 elections to the European Parliament

Applied Political Communication

Research Data Journal for the Humanities and Social Sciences

Gemenis, K., Mendez, F. and Wheatley, J.

Filtering Instagram hashtags through crowd tagging and the HITS algorithm

Media and Social Media Monitoring

Public Opinion and Argument Mining

IEEE Transactions on Computational Social Systems, 6(3): 592–603

Giannoulakis, S. and Tsapatsoulis, N.

Does mode of administration impact the quality of data? Comparing a traditional survey versus an online survey via a Voting Advice Application

Applied Political Communication

Survey Research Methods, 13, 181–194

Triga, V., and Manavopoulos, V.

Opinion mining from social media short texts: Does collective intelligence beat deep learning?

Public Opinion and Argument Mining

Frontiers in Robotics and AI, 5, 138

Tsapatsoulis, N., and Djouvas, C.

The Impact of VAAs on (non-Voting) Aspects of Political Participation: Insights from Panel Data Collected During the 2017 German Elections Campaign

Applied Political Communication

Statistics, Policy and Politics, 9(2), 105–134

Manavopoulos, V., Triga, V., Marschall, S., and Wurthmann, C.

Validating Wordscores: The promises and pitfalls of computational text scaling

Public Opinion and Argument Mining

Communication Methods and Measures, 13: 212–227

Bruinsma, B. and Gemenis, K.

Framing the Greek Bailout Referendum: A Crisis-Inducing or a Crisis-Resolving Mechanism?

Media and Social Media Monitoring

Public Opinion and Argument Mining

Participations, 1: 111–140

Milioni, D. L., Triga, V. and Spyridou, L.-P.

Algorithmic profiling and news personalization

Media and Social Media Monitoring

Amsterdam Privacy Conference (APC 2018)

Milioni, D., Kollyri, L., and Djouvas, C.

Post-crisis normalisation? The 2018 Presidential Elections

Applied Political Communication

Southern European Society and Politics

Triga, V., Mendez, F. and Tziouvas, C.

Improving Social Vote Recommendation in VAAs: The effects of political profile augmentation and classification method

Applied Political Communication

13th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2018)

Djouvas, C., Antoniou, A., and Tsapatsoulis, N.

Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior

Media and Social Media Monitoring

International AAAI Conference on Web and Social Media (ICWSM 2018)

Founta, A., Djouvas, C., Chatzakou, D., Leontiadis, I., Blackburn, J., Stringhini, G., Vakali, A., Sirivianos, M., and Kourtellis, N.

VAA Balancing Tool (Version 0.1)

Applied Political Communication

Zenodo (Published Software)

Djouvas, C., and Mendez, F.

The impact of voting advice applications on electoral turnout: Evidence from Greece

Applied Political Communication

Statistics, Politics and Policy, 9: 161–179

Different Technologies, same Assumptions? Comparing the Response Behaviour (and Political Stance) of Mobile versus Desktop VAA users

Applied Political Communication

11th European Consortium of Political Research (ECPR 2017), Oslo

Parties and Change in Post-bailout Cyprus: The May 2016 Parliamentary Elections

Applied Political Communication

Southern European Society and Politics

“To all activists: please post and share your story”: Renewing understandings on civic participation and the role of Facebook in the Indignados movement

Applied Political Communication

European Journal of Communication, 32(6), 583-597.

Evaluating the descriptive power of Instagram hashtags

Media and Social Media Monitoring

Public Opinion and Argument Mining

Journal of Innovation in Digital Ecosystems, 3(2): 114–129

Giannoulakis, S. and Tsapatsoulis, N.

Mining online political opinion surveys for suspect entries: An interdisciplinary comparison

Applied Political Communication

Journal of Innovation in Digital Ecosystems, 3(2), 172–182

Djouvas, C., Mendez, F., and Tsapatsoulis, N.

Estimating Party-user Similarity in Voting Advice Applications using Hidden Markov Models

Applied Political Communication

ACM RecSys 2016 Workshop on Interfaces and Human Decision Making

Agathokleous, M., Tsapatsoulis, N., and Djouvas, C.

Spatial Maps in Voting Advice Applications: The Case for Dynamic Scale Validation

Applied Political Communication

Acta Politica, 50(2): 214–238

Germann, M., Mendez, F., Wheatley, J. and Serdült, U.

Who Are the Internet Voters?

Applied Political Communication

In: Tambouris et al. (eds.), Electronic Government and Electronic Participation, pp. 27–41. IOS Press

Serdült, U., Germann, M., Harris, M., Mendez, F. and Portenier, A.

“Conflict as news and News as conflict: a multidimensional content analysis of TV news in Cyprus”

Media and Social Media Monitoring

International Journal of Communication, 9, 752-772.

Milioni D., Doudaki V., Tsiligiannis P., Papa, V., and Vadratsikas, K.

Pattern-based rogue identification

Applied Political Communication

WEBDATANET Conference, Salamanca

Mendez, F., Gemenis, K., and Djouvas, C.

SmartCoding: A web-based system for estimating parties policy positions

Applied Political Communication

WEBDATANET Conference, Salamanca

Djouvas, C., and Gemenis, K.

On the design of Social Voting Recommendation Applications

Applied Political Communication

International Journal on Artificial Intelligence Tools, 24(3): 1550009

Tsapatsoulis, N., Agathokleous, M., Djouvas, C. and Mendez, F.

Methodological challenges in the analysis of voting advice application generated data

Applied Political Communication

9th IEEE International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2014), 142–148

Mendez, F., Gemenis, K., and Djouvas, C.

Referendums and the European Union: A comparative inquiry

Applied Political Communication

Cambridge University Press

Mendez, F., Mendez, M., and Triga, V.

Social voting advice applications — definitions, challenges, datasets and evaluation

Applied Political Communication

IEEE Transactions on Cybernetics, 44(7): 1039–1052

Katakis, N., Tsapatsoulis, N., Mendez, F., Triga, V. and Djouvas, C.

A view behind the scenes: Data structures and software architecture of a VAA

Applied Political Communication

9th IEEE International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2014), 136–141

Djouvas, C., and Tsapatsoulis, N.

Weeding out the rogues: How to identify them and why it matters for VAA-generated datasets

Applied Political Communication

European Consortium for Political Research (ECPR 2014)

Djouvas, C., Gemenis, K., and Mendez, F.

Clustering online poll data: Towards a voting assistance system

Applied Political Communication

IEEE SMAP 2012, 54–59

Katakis, I., Tsapatsoulis, N., Triga, V., Tziouvas, C., and Mendez, F.

‘Neither agree, nor disagree’: A critical analysis of the middle answer category in Voting Advice Applications

Applied Political Communication

International Journal of Electronic Governance, 5, 244–263

Baka, A., Figgou, L., and Triga, V.