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Author

Valentin Malykh

Huawei

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Preprint Aug 2026

Prompt Embedding Probes (PEP): Hallucination Detection in LLMs from Hidden States

Results show that prompt-based adaptation can strengthen hidden-state probing while keeping the backbone frozen and adding only a small number of trainable parameters, as well as improving hidden-state-based detection over standard linear probes in the main in-distribution setting.

Zakhar Mrykhin, Valentin Malykh · 2 citations
#artificial intelligence Preprint Sep 2026

DiffIE: Diffusion-based Open Information Extraction

DIFFIE achieves the new state of the art in CaRB (1-1) both F1 and AUC, and outperforms the strongest rule-based system (ClausIE) in BenchIE; it also remains competitive in standard CaRB and WiRe57 evaluations, giving the best average score among systems that report all four benchmarks.

Konstantin Fedorov, Valentin Malykh · 0 citations

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