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arXiv · 2603.23949

Argument Mining as a Text-to-Text Generation Task

Masayuki Kawarada·Tsutomu Hirao·Wataru Uchida·Masaaki Nagata
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Abstract

Argument Mining(AM) aims to uncover the argumentative structures within a text. Previous methods require several subtasks, such as span identification, component classification, and relation classification. Consequently, these methods need rule-based postprocessing to derive argumentative structures from the output of each subtask. This approach adds to the complexity of the model and expands the search space of the hyperparameters. To address this difficulty, we propose a simple yet strong method based on a text-to-text generation approach using a pretrained encoder-decoder language model. Our method simultaneously generates argumentatively annotated text for spans, components, and relations, eliminating the need for task-specific postprocessing and hyperparameter tuning. Furthermore, because it is a straightforward text-to-text generation method, we can easily adapt our approach to various types of argumentative structures. Experimental results demonstrate the effectiveness of our method, as it achieves state-of-the-art performance on three different types of benchmark datasets: the Argument-annotated Essays Corpus(AAEC), AbstRCT, and the Cornell eRulemaking Corpus(CDCP)

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Masayuki Kawarada, Tsutomu Hirao, Wataru Uchida, Masaaki Nagata. 2026-03-25. Argument Mining as a Text-to-Text Generation Task. https://arxiv.org/abs/2603.23949

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