Conditional Publics: Shared Events and Divergent Meanings in the European Twitter Debate on the Ukraine War
Pith reviewed 2026-05-10 18:52 UTC · model grok-4.3
The pith
European Twitter users form conditional publics on the Ukraine war, sharing events on pragmatist issues but diverging on interpretive ones.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
Retweet community detection and stance annotation across six issues reveal hawkish and doveish clusters present in almost every one of the twenty countries. On pragmatist issues the two clusters orient toward the same events and sustain an agonistic public sphere. On interpretive issues they operate as affective publics and counterpublics that construct divergent meanings. The relational structure of these publics is therefore conditional on the epistemic character of the debated issue rather than fixed by national or ideological boundaries.
What carries the argument
Conditional publics: formations whose sharing or fracturing of a referential frame depends on the epistemic character of the debated issue.
Load-bearing premise
That the six issues can be validly classified into pragmatist versus interpretive categories and that retweet communities plus stance annotations reliably reflect stable opinion clusters rather than artifacts of data collection or labeling.
What would settle it
Finding that the two clusters mention different high-profile events even on issues labeled pragmatist, or that consistent hawkish and doveish clusters fail to appear across most countries when the same methods are applied.
Figures
read the original abstract
How do European publics debate a geopolitical crisis on social media, and do they inhabit a shared informational reality? We analyze over 38 million geolocated tweets from 20 European countries during the first eight months of the Russian invasion of Ukraine. Using retweet community detection and stance annotation across six issues, we identify 'hawkish' and 'doveish' opinion clusters present within almost every country studied. We find that structural polarization is driven not by radicalization, but by the exit of casual users. Crucially, whether opposing sides orient to the same events depends on the issue. On pragmatist issues, both sides react to the same high-profile events, forming an agonistic public sphere. Instead, on interpretive issues, they operate as affective publics and counterpublics constructing divergent meanings. We propose conditional publics to describe formations whose relational structure, sharing or fracturing a referential frame, depends on the epistemic character of the debated issue.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript analyzes over 38 million geolocated tweets from 20 European countries in the first eight months of the Russian invasion of Ukraine. Using retweet community detection and stance annotation across six issues, it identifies consistent 'hawkish' and 'doveish' opinion clusters within nearly every country. The authors argue that structural polarization arises from the exit of casual users rather than radicalization. They report that on pragmatist issues both sides orient to the same high-profile events (forming an agonistic public sphere), while on interpretive issues they operate as affective publics and counterpublics constructing divergent meanings. The central theoretical contribution is the proposal of 'conditional publics,' whose relational structure (shared or fractured referential frame) depends on the epistemic character of the debated issue.
Significance. If the empirical patterns and classification hold, the work makes a substantive contribution to computational social science and political communication by showing that online public formation during geopolitical crises is issue-dependent rather than uniform. The scale of the cross-national dataset and the differentiation between shared-event alignment and meaning divergence provide empirical leverage on theories of agonistic versus affective publics. Credit is due for the large-scale data collection and the attempt to link epistemic issue types to observable network and stance structures. The significance is tempered by the need for greater methodological transparency on validation and classification criteria.
major comments (3)
- [§4 (Issue Selection and Classification)] The classification of the six issues into pragmatist versus interpretive categories is load-bearing for the 'conditional publics' claim (§4 and §5). The manuscript does not provide explicit a priori operational criteria, coding rules, or inter-coder reliability statistics for this distinction. Without pre-specified criteria independent of the retweet and stance patterns, the finding that publics share frames on pragmatist issues but fracture on interpretive ones risks circularity: the categories may be fitted to the observed divergence rather than tested against it. A concrete fix would be to report the classification protocol and any robustness checks performed before presenting the event-sharing results.
- [Methods and §5.1] Validation details for stance annotation and retweet community detection are insufficient to support the cross-country stability of hawkish/doveish clusters (Methods section and §5.1). The abstract and main text lack inter-annotator agreement scores, robustness tests to annotation guidelines or model parameters, and sensitivity analyses for community detection resolution. These steps are central because the claim that polarization is driven by casual-user exit (rather than radicalization) and the issue-dependent alignment rest on the clusters being reliable rather than artifacts of labeling or parameter choice.
- [Results (event sharing subsection)] The measurement of 'shared events' versus 'divergent meanings' is not fully specified (Results, event-alignment analysis). It is unclear how temporal co-occurrence, semantic similarity, or referential frame sharing was quantified across the two issue types, and whether this was done with pre-registered thresholds or post-hoc observation. This directly affects the contrast between agonistic and affective publics and requires explicit operationalization to allow replication.
minor comments (2)
- [Figures 1-4] Figure captions and legends should explicitly state the exact number of tweets, countries, and time window used in each panel to improve reproducibility.
- [Introduction and §2] The term 'conditional publics' is introduced in the abstract and conclusion but would benefit from a concise formal definition in the theoretical section to distinguish it from related concepts such as issue publics or counterpublics.
Simulated Author's Rebuttal
We thank the referee for their constructive and detailed feedback, which highlights important areas for improving methodological transparency in our manuscript. We have revised the paper to address each of the major comments by adding explicit protocols, validation details, and operational specifications. Our point-by-point responses follow.
read point-by-point responses
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Referee: [§4 (Issue Selection and Classification)] The classification of the six issues into pragmatist versus interpretive categories is load-bearing for the 'conditional publics' claim (§4 and §5). The manuscript does not provide explicit a priori operational criteria, coding rules, or inter-coder reliability statistics for this distinction. Without pre-specified criteria independent of the retweet and stance patterns, the finding that publics share frames on pragmatist issues but fracture on interpretive ones risks circularity: the categories may be fitted to the observed divergence rather than tested against it. A concrete fix would be to report the classification protocol and any robustness checks performed before presenting the event-sharing results.
Authors: We agree that explicit a priori criteria are necessary to substantiate the conditional publics argument and prevent any risk of circularity. The six issues were selected for their prominence in the debate and classified prior to network and stance analyses according to whether they center on concrete policy actions and verifiable events (pragmatist) or on subjective interpretations, historical framing, and value-based judgments (interpretive), consistent with distinctions in political communication literature. In the revised manuscript we have added a dedicated subsection in §4 that reports the full classification protocol, coding rules, and definitions applied to each issue. We also include inter-coder reliability statistics from independent annotation and robustness checks demonstrating that the core patterns of event sharing versus meaning divergence hold under alternative classifications. revision: yes
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Referee: [Methods and §5.1] Validation details for stance annotation and retweet community detection are insufficient to support the cross-country stability of hawkish/doveish clusters (Methods section and §5.1). The abstract and main text lack inter-annotator agreement scores, robustness tests to annotation guidelines or model parameters, and sensitivity analyses for community detection resolution. These steps are central because the claim that polarization is driven by casual-user exit (rather than radicalization) and the issue-dependent alignment rest on the clusters being reliable rather than artifacts of labeling or parameter choice.
Authors: We acknowledge that the original Methods section lacked sufficient validation detail. In the revision we have substantially expanded this section to report inter-annotator agreement scores for the stance annotation task, the complete annotation guidelines provided to coders, and robustness tests that vary annotation model parameters. For retweet community detection we now include sensitivity analyses across a range of resolution parameters in the community detection algorithm, confirming that the hawkish/doveish cluster structure remains stable across nearly all countries. These additions directly support the reliability of the polarization mechanism and the issue-dependent alignment findings. revision: yes
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Referee: [Results (event sharing subsection)] The measurement of 'shared events' versus 'divergent meanings' is not fully specified (Results, event-alignment analysis). It is unclear how temporal co-occurrence, semantic similarity, or referential frame sharing was quantified across the two issue types, and whether this was done with pre-registered thresholds or post-hoc observation. This directly affects the contrast between agonistic and affective publics and requires explicit operationalization to allow replication.
Authors: We agree that the operationalization of shared events versus divergent meanings must be fully specified for replicability. In the revised Results section we now explicitly describe the quantification procedure: temporal co-occurrence is measured by aligning spikes in tweet volume around documented high-profile events, combined with semantic similarity computed via sentence embeddings to assess referential frame sharing. We clarify how thresholds were determined and applied consistently, distinguishing the two issue types. A new appendix supplies the complete list of events, the similarity computation details, and replication code to enable independent verification of the agonistic versus affective public distinction. revision: yes
Circularity Check
No significant circularity in empirical derivation of conditional publics
full rationale
The paper's analysis relies on processing 38 million geolocated tweets via retweet community detection and stance annotation across six issues. The pragmatist/interpretive distinction is applied to interpret observed differences in event orientation and meaning construction, with the 'conditional publics' concept offered as a descriptive framing of those patterns. No load-bearing steps reduce to self-defined fitted quantities, self-citation chains, or ansatzes smuggled via prior work. The derivation chain is self-contained empirical observation rather than a closed loop where outputs are forced by construction from inputs.
Axiom & Free-Parameter Ledger
axioms (2)
- domain assumption Retweet communities correspond to distinct opinion stances (hawkish vs doveish)
- domain assumption Issues can be categorized as pragmatist or interpretive based on their epistemic character
invented entities (1)
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conditional publics
no independent evidence
Lean theorems connected to this paper
-
IndisputableMonolith/Foundation/RealityFromDistinction.leanreality_from_one_distinction unclear?
unclearRelation between the paper passage and the cited Recognition theorem.
We propose conditional publics to describe formations whose relational structure, sharing or fracturing a referential frame, depends on the epistemic character of the debated issue.
-
IndisputableMonolith/Cost/FunctionalEquation.leanwashburn_uniqueness_aczel unclear?
unclearRelation between the paper passage and the cited Recognition theorem.
On pragmatist issues, both sides react to the same high-profile events... on interpretive issues, they operate as affective publics and counterpublics constructing divergent meanings.
What do these tags mean?
- matches
- The paper's claim is directly supported by a theorem in the formal canon.
- supports
- The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
- extends
- The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
- uses
- The paper appears to rely on the theorem as machinery.
- contradicts
- The paper's claim conflicts with a theorem or certificate in the canon.
- unclear
- Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.
Reference graph
Works this paper leans on
-
[1]
Abidin, C. [2021], ‘From “networked publics” to “refracted publics”: A companion framework for researching “below the radar” studies’,Social Media+ Society7(1), 2056305120984458
work page 2021
-
[2]
boyd, d., Golder, S. and Lotan, G. [2010], Tweet, tweet, retweet: Conversational aspects of retweeting on twitter,in‘Proceedings of HICSS-43’, IEEE, Kauai, HI
work page 2010
-
[3]
Brady, W. J., Gantman, A. P. and Van Bavel, J. J. [2020], ‘Attentional capture helps explain why moral and emotional content go viral. ’,Journal of Experimental Psychology: General149(4), 746
work page 2020
-
[4]
Bruns, A. and Burgess, J. [2015], Twitter hashtags from ad hoc to calculated publics,inN. Rambukkana, ed., ‘Hashtag publics: The power and politics of discursive networks’, Peter Lang, pp. 13–28
work page 2015
-
[5]
Cabitza, F., Campagner, A. and Basile, V. [2023], Toward a perspectivist turn in ground truthing for predictive computing,in‘Proceedings of the AAAI Conference on Artificial Intelligence’, Vol. 37, pp. 6860–6868
work page 2023
-
[6]
[2017], ‘Constructivist grounded theory’,The journal of positive psychology12(3), 299–300
Charmaz, K. [2017], ‘Constructivist grounded theory’,The journal of positive psychology12(3), 299–300
work page 2017
-
[7]
Cinelli, M., Cresci, S., Quattrociocchi, W., Tesconi, M. and Zola, P. [2022], ‘Coordinated inauthentic behavior and information spreading on twitter’, Decision Support Systems160, 113819
work page 2022
-
[8]
Cinelli, M., De Francisci Morales, G., Galeazzi, A., Quattrociocchi, W. and Starnini, M. [2021], ‘The Echo Chamber Effect on Social Media’,Proceedings of the National Academy of Sciences118(9), e2023301118
work page 2021
-
[9]
De Francisci Morales, G., Monti, C. and Starnini, M. [2021], ‘No Echo in the Chambers of Political Interactions on Reddit’,Scientific Reports11, 2818
work page 2021
-
[10]
Dück, E. and Stahl, B. [2025], ‘Introduction: The russia–ukraine war as a formative event in global security policy?’,Politische Vierteljahresschrift 66(1), 1–17
work page 2025
-
[11]
Entman, R. M. [2014], The US media, foreign policy, and public support for war,inK. Kenski and K. H. Jamieson, eds, ‘The Oxford Handbook of Political Communication’, Oxford University Press, New York
work page 2014
-
[12]
European Commission [2024], ‘Eurobarometer survey 3053: Public opinion in the european union’. Accessed: 2026-02-04. URL:https://europa.eu/eurobarometer/surveys/detail/3053
work page 2024
-
[13]
Frenda, S., Abercrombie, G., Basile, V., Pedrani, A., Panizzon, R., Cignarella, A. T., Marco, C. and Bernardi, D. [2024], ‘Perspectivist approaches to natural language processing: a survey’,Language Resources and Evaluation59(2), 1719–1746. URL:http://dx.doi.org/10.1007/s10579-024-09766-4 16 Corrado Monti, Arthur Capozzi, Yelena Mejova, and Gianmarco De F...
-
[14]
Garimella, K., De Francisci Morales, G., Gionis, A. and Mathioudakis, M. [2017], The Effect of Collective Attention on Controversial Debates on Social Media,in‘International Web Science Conference’, WebSci, ACM, pp. 43–52
work page 2017
-
[15]
Garimella, K., De Francisci Morales, G., Gionis, A. and Mathioudakis, M. [2018a], Political Discourse on Social Media: Echo Chambers, Gatekeepers, and the Price of Bipartisanship,in‘The ACM Web Conference’, WWW, pp. 913–922
-
[16]
Garimella, K., De Francisci Morales, G., Gionis, A. and Mathioudakis, M. [2018b], ‘Quantifying controversy on social media’,ACM Transactions on Social Computing1(1), 1–27
-
[17]
Geissler, D., Bär, D., Pröllochs, N. and Feuerriegel, S. [2023], ‘Russian propaganda on social media during the 2022 invasion of ukraine’,EPJ Data Science12(1), 35
work page 2023
-
[18]
Gerbaudo, P. [2026], ‘Tiktok and the algorithmic transformation of social media publics: From social networks to social interest clusters’,New Media & Society28(1), 5–23
work page 2026
-
[19]
Goldkuhl, G. [2012], ‘Pragmatism vs interpretivism in qualitative information systems research’,European journal of information systems21(2), 135– 146
work page 2012
-
[20]
[2013],Power, realism and constructivism, Routledge
Guzzini, S. [2013],Power, realism and constructivism, Routledge
work page 2013
-
[21]
[1981a],Lifeworld and System: A Critique of Functionalist Reason, number Jürgen Habermas
Habermas, J. [1981a],Lifeworld and System: A Critique of Functionalist Reason, number Jürgen Habermas. Transl. by Thomas MacCarthy ; Vol. 2in ‘The Theory of Communicative Action’, Beacon, Boston
-
[22]
[1981b],Reason and the Rationalization of Society, number Jürgen Habermas
Habermas, J. [1981b],Reason and the Rationalization of Society, number Jürgen Habermas. Transl. by Thomas MacCarthy ; Vol. 1in‘The Theory of Communicative Action’, Beacon, Boston
-
[23]
[1992], ‘Further reflections on the public sphere’,Habermas and the public sphere428
Habermas, J. [1992], ‘Further reflections on the public sphere’,Habermas and the public sphere428
work page 1992
-
[24]
[2010], ‘Twittering the news: The emergence of ambient journalism’,Journalism Practice4(3), 297–308
Hermida, A. [2010], ‘Twittering the news: The emergence of ambient journalism’,Journalism Practice4(3), 297–308
work page 2010
-
[25]
Hoffmann, I. and de Vries, C. E. [2024], ‘The war and the vote’. Accessed: 2026-02-04. URL:https://eupinions.eu/de/text/the-war-and-the-vote
work page 2024
-
[26]
Hoffmann, T. and Makarychev, A. [2018],Russia and the EU: Spaces of Interaction, Routledge
work page 2018
-
[27]
Interian, R., G. Marzo, R., Mendoza, I. and Ribeiro, C. C. [2023], ‘Network polarization, filter bubbles, and echo chambers: an annotated review of measures and reduction methods’,International Transactions in Operational Research30(6), 3122–3158
work page 2023
-
[28]
Koopmans, R. and Statham, P. [2010],The making of a European public sphere: Media discourse and political contention, Cambridge University Press
work page 2010
-
[29]
Krastev, I. and Leonard, M. [2022], Peace versus justice: The coming european split over the war in ukraine, Technical report, European Council on Foreign Relations. URL:https://ecfr.eu/wp-content/uploads/2022/06/peace-versus-justice-the-coming-european-split-over-the-war-in-ukraine.pdf
work page 2022
-
[30]
Krastev, I. and Leonard, M. [2024], The meaning of sovereignty: Ukrainian and european views of russia’s war on ukraine, Technical report, European Council on Foreign Relations. URL:https://ecfr.eu/publication/the-meaning-of-sovereignty-ukrainian-and-european-views-of-russias-war-on-ukraine/
work page 2024
-
[31]
Lenti, J., Mejova, Y., Kalimeri, K., Panisson, A., Paolotti, D., Tizzani, M. and Starnini, M. [2023], ‘Global misinformation spillovers in the vaccination debate before and during the covid-19 pandemic: Multilingual twitter study’,JMIR infodemiology3, e44714
work page 2023
-
[32]
[2014a],Russia and the EU in a multipolar world: Discourses, identities, norms, Vol
Makarychev, A. [2014a],Russia and the EU in a multipolar world: Discourses, identities, norms, Vol. 127, ibidem-Verlag/ibidem Press
-
[33]
Makarychev, A. [2014b], ‘Russia and/versus the eu: From post-political consensus to political contestations’,L’Europe en Formation374(4), 27–39
-
[34]
Makarychev, A. and Morozov, V. [2013], ‘Is “non-western theory” possible? the idea of multipolarity and the trap of epistemological relativism in russian ir’,International Studies Review15(3), 328–350
work page 2013
-
[35]
Makarychev, A. and Wicaksana, I. G. W. [2025], ‘Multilateralism at war: Russia’s invasion of ukraine, the g20 and world order’,Global Society 39(2), 181–202
work page 2025
-
[36]
Makhortykh, M. and Lyebyedyev, Y. [2015], ‘# savedonbasspeople: Twitter, propaganda, and conflict in eastern ukraine’,The Communication Review 18(4), 239–270
work page 2015
-
[37]
Makhortykh, M. and Sydorova, M. [2017], ‘Social media and visual framing of the conflict in eastern ukraine’,Media, war & conflict10(3), 359–381
work page 2017
-
[38]
Mejova, Y., Capozzi, A., Monti, C. and De Francisci Morales, G. [2025], ‘Narratives of war: Ukrainian memetic warfare on twitter’,ACM SIGCHI Conference on Computer-Supported Cooperative Work & Social Computing (CSCW)
work page 2025
-
[39]
[2000],The Democratic Paradox, Verso, London
Mouffe, C. [2000],The Democratic Paradox, Verso, London
work page 2000
-
[40]
Mourelatos, A. P. [1978], ‘Events, processes, and states’,Linguistics and philosophy2(3), 415–434
work page 1978
-
[41]
Noakes, J. A. and Johnston, H. [2005], ‘Frames of protest: A road map to a perspective’,Frames of protest: Social movements and the framing perspective 1(11)
work page 2005
-
[42]
Ovesdotter Alm, C. [2011], Subjective natural language problems: Motivations, applications, characterizations, and implications,inD. Lin, Y. Matsumoto and R. Mihalcea, eds, ‘Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies’, Association for Computational Linguistics, Portland, Oregon, USA...
work page 2011
-
[43]
Paoletti, G., Dall’Amico, L., Kalimeri, K., Lenti, J., Mejova, Y., Paolotti, D., Starnini, M. and Tizzani, M. [2024], ‘Political context of the european vaccine debate on twitter’,Scientific reports14(1), 4397
work page 2024
-
[44]
[2014],Affective publics: Sentiment, technology, and politics, Oxford University Press
Papacharissi, Z. [2014],Affective publics: Sentiment, technology, and politics, Oxford University Press. Conditional Publics: Shared Events and Divergent Meanings in the European Twitter Debate on the Ukraine War 17
work page 2014
-
[45]
[2022], The “problem” of human label variation: On ground truth in data, modeling and evaluation,inY
Plank, B. [2022], The “problem” of human label variation: On ground truth in data, modeling and evaluation,inY. Goldberg, Z. Kozareva and Y. Zhang, eds, ‘Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing’, Association for Computational Linguistics, Abu Dhabi, United Arab Emirates, pp. 10671–10682. URL:https://aclanthol...
work page 2022
-
[46]
Preti, G., Riondato, M., Gionis, A. and De Francisci Morales, G. [2026], DSP: A Statistically-Principled Structural Polarization Measure,in‘WSDM’
work page 2026
-
[47]
Rathje, S., Van Bavel, J. J. and Van Der Linden, S. [2021], ‘Out-group animosity drives engagement on social media’,Proceedings of the national academy of sciences118(26), e2024292118
work page 2021
-
[48]
Risse, T. [2010],A community of Europeans? Transnational identities and public spheres, Cornell University Press
work page 2010
-
[49]
Salloum, A., Chen, T. H. Y. and Kivelä, M. [2022], ‘Separating Polarization from Noise: Comparison and Normalization of Structural Polarization Measures’,Proceedings of the ACM on Human-Computer Interaction6(CSCW1), 1–33
work page 2022
-
[50]
Schulmeister, P. M. [2022], ‘Public opinion on the war in ukraine’. URL:https://www.europarl.europa.eu/at-your-service/files/be-heard/eurobarometer/2022/public-opinion-on-the-war-in-ukraine/en-public-opinion-on- the-war-in-ukraine-20221006.pdf
work page 2022
-
[51]
[2002], ‘The law of group polarization’,Journal of political philosophy
Sunstein, C. [2002], ‘The law of group polarization’,Journal of political philosophy
work page 2002
-
[52]
Traag, V. A., Waltman, L. and Van Eck, N. J. [2019], ‘From louvain to leiden: guaranteeing well-connected communities’,Scientific reports9(1), 1–12
work page 2019
-
[53]
N., Fornaciari, T., Hovy, D., Paun, S., Plank, B
Uma, A. N., Fornaciari, T., Hovy, D., Paun, S., Plank, B. and Poesio, M. [2021], ‘Learning from disagreement: A survey’,Journal of Artificial Intelligence Research72, 1385–1470
work page 2021
-
[54]
[2002], ‘Publics and counterpublics’,Public Culture14(1), 49–90
Warner, M. [2002], ‘Publics and counterpublics’,Public Culture14(1), 49–90
work page 2002
discussion (0)
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