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Kewei Yang

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#machine learning Preprint Sep 2026

Selective Posterior Margin Regularization for Forward-Corrected Classification

Learning with class-conditional label noise often relies on a transition model from latent clean classes to observed annotations. Forward correction embeds this transition in the likelihood, yet finite-sample networks may still memorize corrupted labels. The corrected likelihood also induces a reverse posterior over th...

Ze-Xing Zhang, Ji-Chao Li, Tian-Yang Lei et al. · 0 citations
Book Open access Aug 2026

Who's Adam? Benchmarking Hallucinations in Scientific Dialogue

ADAM-Bench (Auditing Dialogue Assertions with Multimodal Evidence), a benchmark for paper-grounded hallucinations in scientific dialogue, is introduced and two tasks are defined: hallucination detection and minimal evidence set localization.

Ze-Xing Zhang, Tian-Yang Lei, Ke-Wei Yang et al. · 0 citations
#artificial intelligence Review Sep 2026

More Criticism Does Not Make a Better Review: EquiReview-R

AI reviewers can now produce many specific criticisms, but more criticism is not necessarily a better review. A review may miss a consequential weakness or retain an allegation that available evidence does not support. These failures require opposite corrections, yet generation-oriented systems and aggregate measures o...

Ze-Xing Zhang, Ji-Chao Li, Tian-Yang Lei et al. · 0 citations
Book Open access Aug 2026

Who's Adam? Benchmarking Hallucinations in Scientific Dialogue

Large language models (LLMs) and large multimodal models (LMMs) are increasingly applied in scientific dialogue, but it remains unclear whether they can reliably ground specific dialogue statements to paper-based evidence. A central challenge is paper-grounded hallucination under a paper-as-truth setting: statements th...

Zexing Zhang, Tianyang Lei, Kewei Yang et al. · 0 citations

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