An Integrated Approach for Political Bias Prediction and Explanation Based on Discursive Structure

Nicolas Devatine, Philippe Muller, Chloé Braud


Abstract
One crucial aspect of democracy is fair information sharing. While it is hard to prevent biases in news, they should be identified for better transparency. We propose an approach to automatically characterize biases that takes into account structural differences and that is efficient for long texts. This yields new ways to provide explanations for a textual classifier, going beyond mere lexical cues. We show that: (i) the use of discourse-based structure-aware document representations compare well to local, computationally heavy, or domain-specific models on classification tasks that deal with textual bias (ii) our approach based on different levels of granularity allows for the generation of better explanations of model decisions, both at the lexical and structural level, while addressing the challenge posed by long texts.
Anthology ID:
2023.findings-acl.711
Volume:
Findings of the Association for Computational Linguistics: ACL 2023
Month:
July
Year:
2023
Address:
Toronto, Canada
Editors:
Anna Rogers, Jordan Boyd-Graber, Naoaki Okazaki
Venue:
Findings
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
11196–11211
Language:
URL:
https://aclanthology.org/2023.findings-acl.711
DOI:
10.18653/v1/2023.findings-acl.711
Bibkey:
Cite (ACL):
Nicolas Devatine, Philippe Muller, and Chloé Braud. 2023. An Integrated Approach for Political Bias Prediction and Explanation Based on Discursive Structure. In Findings of the Association for Computational Linguistics: ACL 2023, pages 11196–11211, Toronto, Canada. Association for Computational Linguistics.
Cite (Informal):
An Integrated Approach for Political Bias Prediction and Explanation Based on Discursive Structure (Devatine et al., Findings 2023)
Copy Citation:
PDF:
https://aclanthology.org/2023.findings-acl.711.pdf