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Author

Junhao Shen

4 papers indexed here

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Preprint Nov 2026

MMDM: Measuring Massive Multitask Decision Making

System-1 Decision Models directly make structured probabilistic decisions over query-specified options given a state in a single forward pass, without autoregressively generating reasoning trajectories or textual responses. Recent evaluations cover diverse tasks but often rely on existing benchmarks, where prior exposu...

Jun-Hao Shen, Qing Zong, Yue (Sophie) Guo et al. · 0 citations
#machine learning Preprint Aug 2026

Progressive Agent Skill Generation via Reinforcement Learning

This work proposesSkill-$\alpha, a reinforcement learning method that learns a unified policy for progressive skill generation and introduces a novel rollback reward that evaluates each edit by comparing downstream execution under the original and edited skills on an anchored query.

Junhao Shen, Zhan-Qiu Zhang, Yi-Wen Guo et al. · 1 citation
#artificial intelligence Preprint Dec 2025

Achieving Olympiad-Level Geometry Large Language Model Agent via Complexity Boosting Reinforcement Learning

This work makes the first attempt to build a medalist-level LLM agent for geometry and presents InternGeometry, which solves 44 of 50 IMO geometry problems (2000-2024), exceeding the average gold medalist score, using only 13K training examples, just 0.004% of the data used by AlphaGeometry 2.

Hai-Teng Zhao, Junhao Shen, Yiming Zhang et al. · 7 citations · ⚡1

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