Improving Hate Speech Classification with Cross-Taxonomy Dataset Integration

Jan Fillies, Adrian Paschke


Abstract
Algorithmic hate speech detection faces significant challenges due to the diverse definitions and datasets used in research and practice. Social media platforms, legal frameworks, and institutions each apply distinct yet overlapping definitions, complicating classification efforts. This study addresses these challenges by demonstrating that existing datasets and taxonomies can be integrated into a unified model, enhancing prediction performance and reducing reliance on multiple specialized classifiers. The work introduces a universal taxonomy and a hate speech classifier capable of detecting a wide range of definitions within a single framework. Our approach is validated by combining two widely used but differently annotated datasets, showing improved classification performance on an independent test set. This work highlights the potential of dataset and taxonomy integration in advancing hate speech detection, increasing efficiency, and ensuring broader applicability across contexts.
Anthology ID:
2025.latechclfl-1.14
Volume:
Proceedings of the 9th Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature (LaTeCH-CLfL 2025)
Month:
May
Year:
2025
Address:
Albuquerque, New Mexico
Editors:
Anna Kazantseva, Stan Szpakowicz, Stefania Degaetano-Ortlieb, Yuri Bizzoni, Janis Pagel
Venues:
LaTeCHCLfL | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
148–159
Language:
URL:
https://preview.aclanthology.org/Ingest-2025-COMPUTEL/2025.latechclfl-1.14/
DOI:
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Cite (ACL):
Jan Fillies and Adrian Paschke. 2025. Improving Hate Speech Classification with Cross-Taxonomy Dataset Integration. In Proceedings of the 9th Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature (LaTeCH-CLfL 2025), pages 148–159, Albuquerque, New Mexico. Association for Computational Linguistics.
Cite (Informal):
Improving Hate Speech Classification with Cross-Taxonomy Dataset Integration (Fillies & Paschke, LaTeCHCLfL 2025)
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https://preview.aclanthology.org/Ingest-2025-COMPUTEL/2025.latechclfl-1.14.pdf