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SpanUQ: Span-Level Uncertainty Quantification for Large Language Model Generation

Zhang, Yimeng et al.
arXiv (All) · Papers
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computation-and-language
Uncertainty estimation is essential not only for the trustworthy deployment of large language models (LLMs) but also as a foundation for self-refinement in LLM generation. However, existing approaches operate at suboptimal granularities: token-level scores lack semantic coherence, while sequence-lev
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