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Author

Sijie Cheng

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#artificial intelligence Preprint Sep 2026

Probability is Not Enough: Exploring and Counting Divergent Tokens for Reasoning Uncertainty Quantification in LLMs

DTC is introduced, a framework that estimates confidence by counting tokens at which two models strongly disagree during decoding, and finds that their count is almost negatively associated with answer accuracy, thereby serving as a simple yet effective signal for uncertainty quantification.

Fei-Yang Li, Sheng-Jing Liu, Qi Zhan et al. · 0 citations
Jul 2026

CADER: Confidence-Aware Dynamic Evidence Reasoning for Long-Video Understanding

CADER (Confidence-Aware Dynamic Evidence Reasoning), a training-free framework for adaptive and reliable long-video reasoning, achieves competitive performance against specialized tool-augmented frameworks, suggesting a practical inference-time route for adaptive long-video reasoning.

Jinlong Yang, Wenhao Zhang, Kuanwei Lin et al. · 0 citations
#natural language process... Preprint Sep 2026

ROAM: Robust Organization of Atomic Memories for Agents through Semantic Relations

Long-term language-model agents rely on external memory across interactions. Atomic memories are particularly useful: their fine-grained semantic boundaries enable precise retrieval and direct comparison between observations. Yet accumulating atoms inevitably become redundant, overlapping, or conflicting. Existing meth...

Jianjie Zheng, Peng Lai, Sijie Cheng et al. · 0 citations

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