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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

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Yi-Jun Lu

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Preprint Aug 2026

ABSeeker: Training Long-Horizon Search Agents via Answer-Backtracked Credit Assignment

Answer-Backtracked Credit Assignment (ABC) is proposed, a fine-grained credit assignment framework for training long-horizon search agents by converting sparse trajectory-level outcomes into dense step-level supervision that rewards useful actions (even in failed trajectories) while suppressing erroneous or redundant a...

Yi-Jun Lu, Rui Ye, Jia-Jun Wang et al. · 1 citation

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