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News/Layer-Resolved Optimal Transport for Hallucination Detection in NMT and Abstractive Summarization
arxiv
PublishedJune 12, 2026 at 4:00 AM

Layer-Resolved Optimal Transport for Hallucination Detection in NMT and Abstractive Summarization

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arXiv:2606.13216v1 Announce Type: new Abstract: Optimal transport (OT) has been shown to detect hallucinations in neural machine translation (NMT) by measuring the geometric distance between cross-attention distributions and a reference distribution, without any supervision. We extend this analysis

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