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Author

Massimo Piccardi

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#artificial intelligence Preprint Sep 2026

Diversity Combining for Multi-Path LLM Reasoning

Multi-path reasoning methods such as self-consistency (SC) sample $K$ reasoning paths and choose the most frequent answer. However, their gains quickly plateau as $K$ increases, and existing methods do not predict when this saturation will occur. We formalize multi-path LLM reasoning as a diversity combining problem fr...

Guang-Sheng Yu, Litianyi Zhang, Qin Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

CUNO: Curriculum and Preference Optimization for Stable Graph Unlearning under Mass Deletion

Graph unlearning removes the influence of designated training data from a trained graph model without retraining from scratch. However, existing methods suffer a sharp drop in model utility under large deletion ratios (mass deletion), a phenomenon we refer to as catastrophic unlearning. We find that a key cause is the...

Chenhan Zhang, Ali Braytee, M. Bandara et al. · 0 citations
#natural language process... Preprint Aug 2026

En-ViMedNER: An English-Vietnamese Parallel Biomedical Corpus with UMLS Semantic Type Annotations

En-ViMedNER is presented, the first English-Vietnamese parallel biomedical NER corpus annotated with UMLS semantic types, which are language-neutral codes providing a shared cross-lingual label space and ensuring direct comparability with existing UMLS-based resources.

Nhu Vo, P. Nguyen, Nu-Uyen-Phuong Le et al. · 0 citations

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