Large Language Models Unpack Complex Political Opinions through Target-Stance Extraction

Ozgur Togay, Javier Garcia-Bernardo, Florian Kunneman, Anastasia Giachanou


Abstract
Political polarization emerges from a complex interplay of beliefs about policies, figures, and issues. However, most computational analyses reduce discourse to coarse partisan labels, overlooking how these beliefs interact. This is especially evident in online political conversations, which are often nuanced and cover a wide range of subjects, making it difficult to automatically identify the target of discussion and the opinion expressed toward them. In this study, we investigate whether Large Language Models (LLMs) can address this challenge through Target-Stance Extraction (TSE), a recent natural language processing task that combines target identification and stance detection, enabling more granular analysis of political opinions. For this, we construct a dataset of 1,084 Reddit posts from r/NeutralPolitics, covering 138 distinct political targets and evaluate a range of proprietary and open-source LLMs using zero-shot, few-shot, and context-augmented prompting strategies. Our results show that the best models perform comparably to highly trained human annotators and remain robust on challenging posts with low inter-annotator agreement. These findings demonstrate that LLMs can extract complex political opinions with minimal supervision, offering a scalable tool for computational social science and political text analysis.
Anthology ID:
2026.politicalnlp-1.27
Volume:
Proceedings of the 3rd Workshop on Natural Language Processing for Political Sciences (PoliticalNLP 2026)
Month:
May
Year:
2026
Address:
Palma, Mallorca (Spain)
Editors:
Haithem Afli, Houda Bouamor, Wajdi Zaghouani, Sahar Ghannay, Shehenaz Hossain
Venues:
PoliticalNLP | WS
SIG:
Publisher:
ELRA Language Resources Association (ELRA)
Note:
Pages:
248–260
Language:
External URL:
https://lrec.elra.info/lrec2026-ws-politicalnlp-27
DOI:
10.63317/3ivad4jwtca2
Bibkey:
Cite (ACL):
Ozgur Togay, Javier Garcia-Bernardo, Florian Kunneman, and Anastasia Giachanou. 2026. Large Language Models Unpack Complex Political Opinions through Target-Stance Extraction. In Proceedings of the 3rd Workshop on Natural Language Processing for Political Sciences (PoliticalNLP 2026), pages 248–260, Palma, Mallorca (Spain). ELRA Language Resources Association (ELRA).
Cite (Informal):
Large Language Models Unpack Complex Political Opinions through Target-Stance Extraction (Togay et al., PoliticalNLP 2026)
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