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arxiv: 2606.07123 · v1 · pith:KTSRWYALnew · submitted 2026-06-05 · 💻 cs.CL

Learning Perspectivist Social Meaning via Demographic-Conditioned Fusion Embeddings

Pith reviewed 2026-06-27 21:57 UTC · model grok-4.3

classification 💻 cs.CL
keywords perspectivismsocial meaningdemographic fusionembeddingsannotation variationperspectival spectrumNLP modelsfusion strategies
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The pith

Demographic-conditioned fusion embeddings improve prediction of how social meanings vary across annotator groups.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper sets out to show that social meaning in language is perspectival, meaning it shifts with the demographic background of the person interpreting it, rather than having one fixed label. Most current NLP systems ignore this by collapsing annotations into a single ground truth. The authors test fusion embeddings that combine text with demographic profiles on a set of 28k annotations and report consistent gains over text-only baselines, with ablations confirming the demographics supply real signal. If correct, this would let models represent a range of interpretations instead of assuming everyone sees the same meaning.

Core claim

The authors demonstrate that conditioning embedding models on demographic information from annotators captures variation in social meaning labels along a perspectivist spectrum, producing statistically significant improvements over text-only baselines through multiple fusion strategies on 28k annotations, with shuffle tests confirming the demographic signal is substantive rather than spurious.

What carries the argument

Demographic-conditioned fusion embeddings that integrate textual representations with demographic profiles of annotators to model perspectival variation.

If this is right

  • Fusion strategies yield 5.9-6.5 percent relative macro PR-AUC gains over text-only baselines.
  • Demographic profiles supply genuine predictive information, as shown by shuffle ablations.
  • The approach applies across zero-shot, few-shot, and fine-tuned modeling paradigms.
  • NLP systems can shift from single ground-truth labels toward modeling a spectrum of demographic-dependent interpretations.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The method could be tested on whether it improves fairness metrics when applied to subjective tasks like toxicity labeling.
  • Models trained this way might allow downstream applications to output different interpretations depending on the end user's demographic profile.
  • Extending the fusion to continuous demographic variables rather than discrete groups could be checked on the same annotation set.

Load-bearing premise

The 28k annotations genuinely reflect perspectival differences driven by demographic backgrounds rather than annotation noise or dataset-specific artifacts.

What would settle it

A follow-up experiment that shuffles all demographic labels before fusion and finds the performance gains disappear entirely would falsify the claim that demographics carry genuine predictive signal.

Figures

Figures reproduced from arXiv: 2606.07123 by Amanda Cercas Curry, Gianmarco De Francisci Morales, Luca Maria Aiello, Lucio La Cava.

Figure 1
Figure 1. Figure 1: Per-label PR-AUC delta (additive vs. text-only baseline) broken down by demographic subgroup. [PITH_FULL_IMAGE:figures/full_fig_p014_1.png] view at source ↗
read the original abstract

Social meaning in language is inherently perspectival, varying across annotator backgrounds, demographics, and ideological positions. However, most NLP systems collapse this variation into a single ground-truth label, ignoring the diversity of interpretations. In this work, we model social dimensions along a perspectivist spectrum, capturing how interpretations vary across demographic groups on a dataset consisting of 28k human annotations. We benchmark multiple modeling paradigms, including zero-shot, few-shot, and fine-tuned approaches, and propose fusion embeddings that integrate textual and demographic representations. Our fusion models yield consistent and statistically significant improvements over text-only baselines across all fusion strategies (+5.9-6.5% relative macro PR-AUC), with shuffle ablations confirming that demographic profiles carry genuine predictive signal rather than spurious correlations.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 1 minor

Summary. The paper proposes demographic-conditioned fusion embeddings to model perspectivist social meaning, where interpretations vary by annotator demographics. On a 28k-annotation dataset, it benchmarks zero-shot, few-shot, and fine-tuned approaches and reports that fusion models achieve consistent, statistically significant gains of +5.9-6.5% relative macro PR-AUC over text-only baselines; shuffle ablations are presented as evidence that demographic profiles supply genuine predictive signal.

Significance. If the empirical results and controls hold under scrutiny, the work supplies a practical, extensible technique for incorporating demographic conditioning into social-meaning models, moving the field beyond single-ground-truth assumptions toward more nuanced, group-aware representations.

major comments (2)
  1. [Abstract] Abstract and Methods: the central claim of statistically significant gains is presented without any description of the statistical tests performed, the exact model architectures, training hyperparameters, data splits, or evaluation protocol, rendering the reported +5.9-6.5% macro PR-AUC improvements unverifiable from the supplied text.
  2. [Ablation studies] Ablation studies: the shuffle ablation shows that randomizing demographic profiles degrades performance, yet this only demonstrates that the model exploits the supplied demographic labels; it does not exclude the possibility that the original 28k annotations contain systematic artifacts (annotator-pool biases, interface effects, or task-specific response patterns) that happen to covary with the recorded demographics.
minor comments (1)
  1. Notation for the different fusion strategies (early, late, etc.) should be defined explicitly and used consistently in equations and figures.

Simulated Author's Rebuttal

2 responses · 0 unresolved

Thank you for the constructive feedback on our manuscript. We address each major comment below, providing clarifications from the full paper and indicating where revisions will strengthen the presentation.

read point-by-point responses
  1. Referee: [Abstract] Abstract and Methods: the central claim of statistically significant gains is presented without any description of the statistical tests performed, the exact model architectures, training hyperparameters, data splits, or evaluation protocol, rendering the reported +5.9-6.5% macro PR-AUC improvements unverifiable from the supplied text.

    Authors: The abstract is necessarily concise, but the full manuscript provides these details: model architectures and fusion strategies are described in Section 3, training hyperparameters and optimization in Appendix A, data splits (train/dev/test on the 28k annotations) in Section 4.1, evaluation protocol (macro PR-AUC with per-class averaging) in Section 4.2, and statistical significance via paired bootstrap tests (p < 0.01) in Section 5.1. We will revise the abstract to include a brief clause referencing the evaluation protocol and significance testing for improved self-containment. revision: partial

  2. Referee: [Ablation studies] Ablation studies: the shuffle ablation shows that randomizing demographic profiles degrades performance, yet this only demonstrates that the model exploits the supplied demographic labels; it does not exclude the possibility that the original 28k annotations contain systematic artifacts (annotator-pool biases, interface effects, or task-specific response patterns) that happen to covary with the recorded demographics.

    Authors: The shuffle ablation (Section 5.3) establishes that performance depends on the specific demographic profiles rather than arbitrary labels, supporting that demographic conditioning supplies usable signal. We agree this does not exhaustively exclude all possible annotation artifacts correlated with demographics. We will add an explicit limitations paragraph acknowledging this and noting that future work could incorporate annotator-level fixed effects or interface controls. revision: partial

Circularity Check

0 steps flagged

No circularity: empirical evaluation relies on external data and baselines

full rationale

The paper reports measured improvements (+5.9-6.5% relative macro PR-AUC) of fusion embeddings over text-only baselines on an external dataset of 28k annotations, with shuffle ablations as controls. No equations, parameters, or self-citations are shown that would make the reported gains equivalent to the inputs by construction. The derivation chain consists of standard supervised learning and ablation testing against independent benchmarks, satisfying the self-contained criterion.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The claim rests on the dataset capturing authentic demographic-driven variation and on the fusion mechanism successfully integrating textual and demographic signals without introducing new artifacts.

axioms (1)
  • domain assumption Human annotations on social meaning tasks reflect genuine perspectival differences attributable to demographic background.
    Invoked when interpreting the 28k annotations as ground truth for perspectivist modeling.

pith-pipeline@v0.9.1-grok · 5666 in / 1130 out tokens · 22313 ms · 2026-06-27T21:57:54.795099+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

33 extracted references · 12 canonical work pages

  1. [1]

    CoRR , volume =

    Yinhan Liu and Myle Ott and Naman Goyal and Jingfei Du and Mandar Joshi and Danqi Chen and Omer Levy and Mike Lewis and Luke Zettlemoyer and Veselin Stoyanov , title =. CoRR , volume =. 2019 , url =

  2. [2]

    The pushshift reddit dataset , volume =

    Baumgartner, Jason and Zannettou, Savvas and Keegan, Brian and Squire, Megan and Blackburn, Jeremy , booktitle =. The pushshift reddit dataset , volume =

  3. [3]

    Multimodal Post Attentive Profiling for Influencer Marketing , year =

    Kim, Seungbae and Jiang, Jyun-Yu and Nakada, Masaki and Han, Jinyoung and Wang, Wei , booktitle =. Multimodal Post Attentive Profiling for Influencer Marketing , year =

  4. [4]

    John , doi =

    Beatrice Rammstedt and Oliver P. John , doi =. Measuring personality in one minute or less: A 10-item short version of the Big Five Inventory in English and German , url =. Journal of Research in Personality , keywords =. 2007 , bdsk-url-1 =

  5. [5]

    Social Media Fact Sheet , year =

  6. [6]

    Proceedings of the International AAAI Conference on Web and Social Media , volume=

    The persuasive power of large language models , author=. Proceedings of the International AAAI Conference on Web and Social Media , volume=

  7. [7]

    2023 , publisher=

    Scientific Reports , volume=. 2023 , publisher=

  8. [8]

    Proceedings of the ACM on Human-Computer Interaction , volume=

    Coloring in the links: Capturing social ties as they are perceived , author=. Proceedings of the ACM on Human-Computer Interaction , volume=. 2018 , publisher=

  9. [9]

    Consistency is Key: Disentangling Label Variation in Natural Language Processing with Intra-Annotator Agreement

    Abercrombie, Gavin and Dinkar, Tanvi and Cercas Curry, Amanda and Rieser, Verena and Hovy, Dirk. Consistency is Key: Disentangling Label Variation in Natural Language Processing with Intra-Annotator Agreement. Proceedings of the The 4th Workshop on Perspectivist Approaches to NLP. 2025. doi:10.18653/v1/2025.nlperspectives-1.6

  10. [10]

    Language Resources and Evaluation , volume=

    Perspectivist approaches to natural language processing: a survey , author=. Language Resources and Evaluation , volume=. 2025 , publisher=

  11. [11]

    The ``problem'' of human label variation: On ground truth in data, modeling and evaluation

    Plank, Barbara. The ``Problem'' of Human Label Variation: On Ground Truth in Data, Modeling and Evaluation. Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing. 2022. doi:10.18653/v1/2022.emnlp-main.731

  12. [12]

    Cabitza, Federico and Campagner, Andrea and Basile, Valerio , title =. Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial Intelligence , articleno =. 2023 , isbn =. doi:10.1609/aaai.v37i...

  13. [14]

    URL https: //aclanthology.org/2025.acl-long.104/

    Orlikowski, Matthias and Pei, Jiaxin and R. Beyond Demographics: Fine-tuning Large Language Models to Predict Individuals' Subjective Text Perceptions. Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers). 2025. doi:10.18653/v1/2025.acl-long.104

  14. [15]

    Gender Differences in Conversational Interaction

    Gender differences in conversational coherence: Physical alignment and topical cohesion. , author=. This chapter is a slightly revised and shortened version of a paper presented at the" Gender Differences in Conversational Interaction" panel at the 1988 Georgetown University Round Table on Languages and Linguistics, Washington, DC, Mar 1988. , year=

  15. [16]

    Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference , pages=

    Counting youtube videos via random prefix sampling , author=. Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference , pages=

  16. [17]

    Communications of the ACM , volume=

    Datasheets for datasets , author=. Communications of the ACM , volume=. 2021 , publisher=

  17. [18]

    Subjective Natural Language Problems: Motivations, Applications, Characterizations, and Implications

    Ovesdotter Alm, Cecilia. Subjective Natural Language Problems: Motivations, Applications, Characterizations, and Implications. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies. 2011

  18. [19]

    Proceedings of the 1st Workshop on Benchmarking: Past, Present and Future , year =

    We Need to Consider Disagreement in Evaluation , author =. Proceedings of the 1st Workshop on Benchmarking: Past, Present and Future , year =. doi:10.18653/v1/2021.bppf-1.3 , pages =

  19. [20]

    URLhttps://doi.org/10.1613/jair.1.12752

    Learning from Disagreement: A Survey , author =. Journal of Artificial Intelligence Research , volume =. 2021 , pages =. doi:10.1613/jair.1.12752 , url =

  20. [21]

    Proceedings of The Web Conference 2020 , year =

    Ten Social Dimensions of Conversations and Relationships , author =. Proceedings of The Web Conference 2020 , year =

  21. [22]

    Scientific Reports , volume =

    The Language of Opinion Change on Social Media under the Lens of Communicative Action , author =. Scientific Reports , volume =. 2022 , doi =

  22. [23]

    From Reddit to

    Lucchini, Lorenzo and Aiello, Luca Maria and Alessandretti, Laura and De Francisci Morales, Gianmarco and Starnini, Michele and Baronchelli, Andrea , journal =. From Reddit to. 2022 , doi =

  23. [24]

    How Epidemic Psychology Works on

    Aiello, Luca Maria and Quercia, Daniele and Zhou, Ke and Constantinides, Marios and. How Epidemic Psychology Works on. Humanities and Social Sciences Communications , volume =. 2021 , doi =

  24. [25]

    The Pursuit of Peer Support for Opioid Use Recovery on

    Balsamo, Duilio and Bajardi, Paolo and De Francisci Morales, Gianmarco and Monti, Corrado and Schifanella, Rossano , booktitle =. The Pursuit of Peer Support for Opioid Use Recovery on. 2023 , pages =

  25. [26]

    Are You a Racist or Am

    Waseem, Zeerak , booktitle =. Are You a Racist or Am. 2016 , address =. doi:10.18653/v1/W16-5618 , pages =

  26. [27]

    Annotators with Attitudes: How Annotator Beliefs And Identities Bias Toxic Language Detection

    Annotators with Attitudes: How Annotator Beliefs And Identities Bias Toxic Language Detection , author =. Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies , year =. doi:10.18653/v1/2022.naacl-main.431 , pages =

  27. [28]

    Dealing with Disagreements: Looking Beyond the Majority Vote in Subjective Annotations

    Dealing with Disagreements: Looking Beyond the Majority Vote in Subjective Annotations , author =. Transactions of the Association for Computational Linguistics , volume =. 2022 , address =. doi:10.1162/tacl_a_00449 , pages =

  28. [29]

    Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) , year =

    The Ecological Fallacy in Annotation: Modeling Human Label Variation goes beyond Sociodemographics , author =. Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) , year =

  29. [30]

    Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies , year =

    The Importance of Modeling Social Factors of Language: Theory and Practice , author =. Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies , year =. doi:10.18653/v1/2021.naacl-main.49 , pages =

  30. [31]

    2019 , url =

    Liu, Yinhan and Ott, Myle and Goyal, Naman and Du, Jingfei and Joshi, Mandar and Chen, Danqi and Levy, Omer and Lewis, Mike and Zettlemoyer, Luke and Stoyanov, Veselin , journal =. 2019 , url =

  31. [32]

    and Rosen, Rachel and Vasserman, Lucy , title =

    Goyal, Nitesh and Kivlichan, Ian D. and Rosen, Rachel and Vasserman, Lucy , title =. Proc. ACM Hum.-Comput. Interact. , month = nov, articleno =. 2022 , issue_date =. doi:10.1145/3555088 , abstract =

  32. [33]

    2026 , eprint=

    P1SCO: Social Dimensions from a Perspectivist Lens , author=. 2026 , eprint=

  33. [34]

    When Do Annotator Demographics Matter? Measuring the Influence of Annotator Demographics with the POPQUORN Dataset

    Pei, Jiaxin and Jurgens, David. When Do Annotator Demographics Matter? Measuring the Influence of Annotator Demographics with the POPQUORN Dataset. Proceedings of the 17th Linguistic Annotation Workshop (LAW-XVII). 2023. doi:10.18653/v1/2023.law-1.25