arXiv AI By Bhuvanesh Verma, Ali Abusaleh, Alexander Mehler

TTLab at Daleel 2026: STAR-Ar, Sequence Tagging for Argument Recognition in Arabic

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The paper introduces STAR‑Ar, a BERT‑BiLSTM‑CRF model designed for the Daleel 2026 Arabic argument mining shared task. It treats argument discourse unit detection and classification as a token‑level sequence labeling problem, achieving an F1‑score of 72.69 on validation and 73.7 on test data. Analysis shows that models trained only on editorial texts perform worse than those trained on debates, mainly due to the smaller editorial dataset.

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