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arXiv · 2610.06287

From Abusive Language Classification to Sequence Labeling Identification

Nicolas Zampieri·Ignacio Lopez·Manon Girard·Jeremy Auguste
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Abstract

Industrial content moderation must process massive message streams under tight latency constraints, yet most abusive language (AL) detection systems rely on sentence-level classification (ALC), which neither localizes abusive spans nor identifies who is targeted. We define Abusive Language Identification (ALI) as a sequence-labeling task that jointly extracts AL spans and target mentions, and assess whether this approach can be used for text moderation. On a pilot corpus drawn from a production moderation pipeline, we compare ALI with ALC on cross-domain generalization and implicit abuse, and we also evaluate AL and target span detection. ALI remains competitive with ALC while providing localized outputs for moderators, with a modest and configuration-sensitive advantage on implicit abuse. Exact AL boundaries and target spans remain difficult to recover. We complement this comparison with a qualitative analysis and discuss perspectives on complete target--span linking and on structured benchmarks for ALI.

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Nicolas Zampieri, Ignacio Lopez, Manon Girard, Jeremy Auguste. 2026-10-05. From Abusive Language Classification to Sequence Labeling Identification. https://arxiv.org/abs/2610.06287

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