Author

Wen-Qing Wei

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#artificial intelligence Preprint Sep 2026

AREX-2: Advancing Self-Improving Agents through Long-Horizon Reflective Tasks

Results show that long-horizon reflective data is an effective route toward self-improving agents, and synthesize long-horizon improvement trajectories from machine learning and algorithmic programming tasks, two domains that offer verifiable feedback and reward sustained iteration.

Hong-Jin Qian, Chao-Fan Li, Kun Luo et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Repo-To-Skill: Distilling GitHub Repositories Into AI4AI Skills

DisCo is presented, a skill-powered research agent that creates skills and uses them during research, and yields the AREX-Skill Library, with 5,000+ verified skills distilled from 1,000 widely used ML repositories and organized into 20 areas and 178 capability families.

Jianlyu Chen, Yuyang Hu, Hong-Jin Qian et al. · 1 citation