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Pengjun Xie

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#artificial intelligence Preprint Sep 2026

Dr.Credit: Rubric-Grounded Process Credit Assignment for Deep Research Agents

Analysis of rubric-grounded credit suggests more efficient evidence acquisition and higher-quality reports under limited research-turn budgets, motivating the extension of rubric-grounded process supervision to a broader range of rubric-based tasks.

Ying-Jian Zhu, Zhen-Yi Wang, Jia-Xing Guo et al. · 0 citations
#machine learning Preprint Sep 2026

MemoryWalker: Stop Training Agents on Contexts They Never Saw

This work introduces two exact, gradient-equivalent corrections: LogitTree, a segmented K-forward traversal, and a packed 4D attention mask, and proposes SDCC (Self-Distillation for Conditioning Consistency), a single-backward-pass variational relaxation.

J. Zinco, Xun-Jie Zhu, Shen Huang et al. · 0 citations
Jul 2026

SecRespond: Benchmarking AI Agents for Real-World Post-Compromise Incident Response

Experimental results show that although current agents can reliably uncover the problems exposed by alerts, they struggle to proactively investigate the disk for silent intrusions and to produce comprehensive, verified remediation plans, with no model achieving complete detection and remediation on any single range.

Le-Han Wang, Boli Chen, Ruixue Ding et al. · 0 citations

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