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Preslav Nakov

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#artificial intelligence Preprint Oct 2026

Benchmarking Arabic Dialects for Math Problems

Mathematical reasoning remains underexplored for low-resource languages, including Dialectal Arabic. To bridge this gap, we introduce the DAR-MGSM (Dialectal Arabic Multilingual Grade School Math) Benchmark, the first manually curated benchmark for evaluating mathematical reasoning in Dialectal Arabic. DAR-MGSM consist...

Noor Abo Mokh, Teresa Lynn, N. Habash et al. · 0 citations

Better with Experience: Self-Evolving LLM Agents for Evidence-Grounded Health Community Notes

EvoNote is introduced, an agentic framework that enables health Community Notes generation to self-evolve through an evolving experience memory of prior misinformation correction episodes, positioning self-evolving note generation as a promising paradigm for scalable health misinformation governance.

Zi-Hang Fu, Fan-Xiao Li, Jianyang Gu et al. · 1 citation

SQLStructEval: Structural Evaluation of LLM Text-to-SQL Generation

SQLStructEval is introduced, a framework that analyzes this behavior through canonical abstract syntax tree representations and adopts a pipeline that first generates structured intermediate representations and then deterministically compiles them into SQL, improving execution accuracy and structural agreement among co...

Yi-Xi Zhou, Fan Zhang, Zhiyu Guo et al. · 1 citation
#natural language process... Preprint Sep 2026

MIC: Explaining Image-Claim Inconsistencies in AI-Generated Multimodal Misinformation

Claims paired with AI-generated images are a rapidly growing form of misinformation. Existing automated fact-checking (AFC) methods mainly treat this as a provenance problem, detecting low-level synthesis artifacts to decide whether an image is AI-generated. However, such methods do not verify what human fact-checkers...

Rui-Hong Zeng, Jonathan Tonglet, Preslav Nakov et al. · 0 citations
#natural language process... Preprint Sep 2026

Same Scores, Different Decisions: Evaluating JEV and Language Models for Legal Document Understanding

Jev has the lowest cost and median response time among the evaluated configurations, while hosted language models achieve higher baseline accuracy and Rankings by baseline accuracy differ from rankings by correctness across every condition and repeat, although small differences in the latter do not establish a general...

Fan Zhang, Yan-Kai Chen, Zhuo-Han Xie et al. · 11 citations · ⚡1

Co-FactChecker: A Framework for Human-AI Collaborative Claim Verification Using Large Reasoning Models

Co-FactChecker is proposed, a framework for human-AI collaborative claim verification that translates expert feedback into trace-edits that introduce targeted modifications to the trace, sidestepping the shortcomings of dialogue-based interaction.

Dhruv Sahnan, Subhabrata Dutta, Tanmoy Chakraborty et al. · 1 citation

MemeLens: Multilingual Multitask VLMs for Memes

It is suggested that robust meme understanding requires multimodal training, varies substantially across semantic categories, and remains sensitive to over-specialization when models are fine-tuned on individual datasets rather than trained in a unified setting.

Ali Ezzat Shahroor, Mohamed Bayan Kmainasi, A. Hasnat et al. · 5 citations
Open access Aug 2026

Detecting AI-Generated Bulgarian Text: A Two-Step Multi-Class Classification Approach

A novel two-step multi-class classification system to identify varying degrees of machine involvement in Bulgarian text improves the reliable identification of human authorship and enhances the overall accuracy of multi-class text detection compared to single-step methods.

Boyan Bogdanov, D. Georgiev, D. Dimitrov et al. · 0 citations

Cultural Benchmarking of LLMs in MSA and Arabic Dialectal Dialogue

ArabCulture-Dialogue is introduced, a culturally grounded conversational dataset covering 13 Arabic-speaking countries, in both MSA and each country’s respective dialect, spanning 12 daily-life topics and 54 fine-grained subtopics, to address the performance gap between MSA and Arabic dialects.

M. Dehan, Aldry Kautsar, SaeedAlmheiri et al. · 0 citations
#natural language process... Preprint Sep 2026

MedSNIP: Building and Benchmarking Snippet-Level Granularity for Medical Fact Verification

Across MedSNIP-Bench, HealthFC, and MedHallu, snippet-level verification preserves or improves false-class F1, with gains concentrated where answers are long enough to fragment and where the verifier is strong enough to exploit the recovered structure.

Hasan Iqbal, Sarfraz Ahmad, Hyunjae Kim et al. · 0 citations

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