We describe our submission to SemEval 2023 Task 3, specifically the subtask on persuasion technique detection. In this work, our team tackled a novel task of classifying persuasion techniques in online news articles at a paragraph level. The low-resource multilingual datasets, along with the imbalanced label distribution, make this task challenging. Our team presented a cross-lingual data augmentation approach and leveraged a recently proposed multilingual natural language inference model to address these challenges. Our solution achieves the highest macro-F1 score for the English task, and top 5 micro-F1 scores on both the English and Russian leaderboards. We have made the source code of our models and experiments publically available at 1
CITATION STYLE
Liu, G., Fung, Y. R., & Ji, H. (2023). NLUBot101 at SemEval-2023 Task 3: An Augmented Multilingual NLI Approach Towards Online News Persuasion Techniques Detection. In 17th International Workshop on Semantic Evaluation, SemEval 2023 - Proceedings of the Workshop (pp. 1636–1643). Association for Computational Linguistics. https://doi.org/10.18653/v1/2023.semeval-1.227
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