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Showing papers from The University of Chicago Show all papers

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Agent$^2$ RL-Bench: Can LLM Agents Engineer Agentic RL Post-Training?

Wanyi Chen, Xiao Yang, Xu Yang, Tianming Sha and 6 more

Sydney Poster Session 4, Wed, Dec 9, 5:00 PM–8:00 PM, Hall 1-4 · Published 2026

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AI panel: 1 of 20 reviewers recommend it
lenient 1/5
medium 0/10
strict 0/5
76%Highly rated
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Empirical Bayes Rebiasing

An empirical Bayes rebiasing method learns the bias distribution to recover shorter calibrated intervals from noisy biased estimates, improving precision in LLM evaluations and genetic analysis.

Wanyi Ling, Sida Li, Junming Guan, Nikolaos Ignatiadis

Sydney Poster Session 4, Wed, Dec 9, 5:00 PM–8:00 PM, Hall 1-4 · Published 2026

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AI panel: 10 of 20 reviewers recommend it
lenient 4/5
medium 5/10
strict 1/5
89%Must read
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Fine-Tuning Improves Information Conveyance in Language Models

Canopy Entropy reveals fine-tuning reorganizes language model uncertainty into longer, more semantically diverse outputs rather than reducing it. Fine-tuned models show stronger positive correlation between output length and per-token information efficiency, tripling entropy-diversity alignment.

Yuwei Cheng, Weiyi Tian, Haifeng Xu

Atlanta Poster Session 1, Wed, Dec 9, 10:00 AM–1:00 PM, Hall C1 · Published 2026

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16/20 AI panelreviewers recommend it

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AI panel: 16 of 20 reviewers recommend it
lenient 4/5
medium 9/10
strict 3/5