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activation-maps

topic1 events
papersSEP 12 04:00 UTC

ActMap: Single-pass uncertainty quantification from generation-time activation maps

A new arXiv preprint introduces ActMap, a method that estimates how much an LLM answer should be trusted using internal activation maps captured during a single generation pass. The authors position it as an alternative to approaches that require multiple sampled outputs or rely solely on output-token probabilities. The work targets practical uncertainty quantification for large language models.

uncertainty/llm/research/inference