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Alexander Mehler

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#artificial intelligence Preprint Sep 2026

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

Argument Mining (AM) is a critical NLP task that remains significantly under-resourced in Arabic. This paper presents $\testtt{STAR-Ar}$, a BERT-BiLSTM-CRF architecture for argument discourse detection and classification, as our system for Daleel 2026, the inaugural Arabic argument mining shared task. The task requires...

Bhuvanesh Verma, Ali Abusaleh, Alexander Mehler · 0 citations
#natural language process... Preprint Sep 2026

Negation Beyond the Verbal Channel: Temporal Multimodal Correlates in Dialogue

Negation is typically modeled through its linguistic realization, although spoken interaction is accompanied by tightly coordinated nonverbal behavior. We ask whether contexts centered on spoken negation cues contain measurable multimodal behavioral information: whether they can be distinguished from matched control co...

Leon Hammerla, Patrick Schrottenbacher, Alexander Mehler · 1 citation
#natural language process... Preprint Sep 2026

From Retrieval to Weights: Parametric Individualization of Small Language Models with Individual Text Corpora

We approach a cognitive simulation perspective on episodic and semantic memory in multiple-choice question answering by incorporating text from individual text corpora (ITC) into retrieval-augmented generation and DoRA fine-tuning. We web-crawl the search histories of 515 participants who answered 36 multiple-choice kn...

Christoph Wigbels, Ali Abusaleh, M. T. Jansen et al. · 0 citations

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