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Zhen-Jiang Ren

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Preprint Aug 2026

EviGraph: Evidence-Guided Autonomous Research Agents

Autonomous research agents can generate hypotheses, execute experiments, and draft manuscripts, yet their outputs often contain unsupported claims and inconsistencies between research questions, experiments, results, and conclusions. We argue that this problem is partly architectural: existing systems organize research...

Zhen-Jiang Ren, Rui-Ji Li, Xu-Jing Zhang et al. · 0 citations
Review Jul 2026

Self-Improvements in Modern Agentic Systems: A Survey

This survey frames modern self-improving agents as adaptive systems that convert experience into accumulated capability gains, and offers a system-level framework that represents a modern agent as a configuration coupling a foundation model with an operational scaffold of prompts, memory, tools, and control logic.

Zhen-Jiang Ren, Yi-Meng Chen, Dan-Dan Guo et al. · 9 citations · ⚡1

Bayesian Sparse Low-Rank Adaptation for Large Language Model Uncertainty Estimation

Data-Adaptive Lower-Rank Adaptation (DALorRA), a simple and effective variational Bayesian sparse framework that shifts the paradigm of uncertainty quantification from the dense parameter space to the lightweight rank level of low-rank adaptation (LoRA).

Ji-Jie Zhang, Zhenjiang Ren, Quan Zhang et al. · 0 citations

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