Author

Hojae Han

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#natural language process... Jan 2026

Can David Beat Goliath? On Multi-Hop Reasoning with Resource-Constrained Agents

David-GRPO addresses the challenge of small language model agents under the budget constraint of commodity GPUs by placing a handful of off-policy expert trajectories into the GRPO groups of the early updates, and rewarding evidence coverage and resumes the most promising partial trajectory.

Hojae Han, Hee-Yeon Jung, Jongyoon Kim et al. · arXiv.org · 1 citation

#artificial intelligence Preprint Aug 2026

SHADOWBENCH: Toward Reliable Automatic Evaluation of Semantic Alignment in Autoformalization

SA-Pass (*Semantic Alignment Pass*), which tests formal statements using auxiliary statements called shadows that characterize the intended statement, is proposed, which achieves binary agreement with expert judgments.

Hojae Han, Jongyoon Kim, Sanghyeok Park et al. · 2 citations