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Author

Yuyao Zhang

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Preprint Aug 2026

SkillProx: Self-Evolving Agent Skills via Proximal Textual Gradient Descent

SkillProx is introduced, a proximal-gradient-inspired forward--backward framework that couples closed-loop diagnostic evolution with utility-aware proximal refinement and demonstrates the complementary effects of closed-loop diagnosis and proximal refinement.

Mingxuan Zheng, Yu-Jin Zhou, Chuxue Cao et al. · 2 citations
Jul 2026

Delegation Intelligence in Deep Search: A Controllable Framework for Disentangled Capability Diagnosis

This work formalizes this meta-capability as Delegation Intelligence in deep search and decomposes it into complementary dimensions-Search Decision-Making and Information Synthesis and Verification and develops a controllable synthesis pipeline built on document-grounded reverse engineering.

Xin-Hao Yao, Yuanzhong Liu, Changhao Wang et al. · 0 citations
Book Open access Jul 2026

HiRA: Decoupling Planning and Execution with Hierarchical Reasoning in Deep Search

Experiments show that HiRA significantly outperforms state-of-the-art RAG and agent-based systems, highlighting the effectiveness of decoupled planning and execution for multi-step information seeking tasks.

Jiajie Jin, Xiaoxi Li, Yuyao Zhang et al. · 0 citations
Jul 2026

SearchOS-V1: Towards Robust Open-Domain Information-Seeking Agent Collaboration

This work introduces SearchOS, a system-level multi-agent framework that turns fragile, implicit search progress into explicit, persistent, and shared state, and introduces a Search Tool Middleware Harness that intercepts model and tool interactions to record grounded evidence and react to stalls or budget exhaustion.

Yuyao Zhang, Junjie Gao, Zheng-Xian Wu et al. · 0 citations

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