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Wenjie Zhang

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#artificial intelligence Review Sep 2026

DynSTEER: Dynamic Stage-wise Trajectory Evaluation and Execution-time Review for Agents

DynSTEER bridges the granularity gap through stage-wise dynamic evaluation that segments rollouts at key execution nodes and adapts its multi-level review strategy based on stage-level results; it compiles a path-tolerant milestone graph from available task inputs to preserve diverse legal paths without reference leaka...

Zhichao Shi, Xuhui Jiang, Wen-Jie Zhang et al. · 1 citation
Preprint Aug 2026

Calibrating Post-Training Feature Shifts for LLM Data Contamination Detection

CalibDCD is proposed, a broadly applicable calibration framework for feature-based DCD methods, comprising Multi-View Shift Detection, which identifies recurring feature shifts associated with post-training, and Bounded Feature Correction, which selectively mitigates their influence on membership prediction.

Zhen Yang, Mengqi Wang, Gengda Zhao et al. · 0 citations
Preprint Aug 2026

SkillZip: Contract-Preserving Graph Compression for Scalable Agent Skill Libraries

SkillZip is proposed, an execution-aware procedural abstraction framework that performs contract-preserving compression over section-level graphs that hydrates a compact, dependency-closed context and expands macros only when required.

Xingyu Tan, Xiaoyang Wang, Qing Liu et al. · 2 citations
Preprint Aug 2026

RippleMem: From Isolated Retrieval to Associative Recollection for Long-Term Agent Memory

RippleMem is a long-term memory system that replaces one-shot retrieval with adaptive associative recollection, Inspired by cue-dependent episodic retrieval and associative completion, that stores interaction history as cue-rich episodic memory units and organizes them in an event-centric memory graph.

Jingbo Ji, Lingyi Li, Xi-Long Cheng et al. · 2 citations
Preprint Jul 2026

HyperAgent: Planning and Acting over Tool-Schema Hypergraphs for Tool-Use LLM Agents

This work builds a directed Tool--Schema Hypergraph, in which tools are represented as hyperedges from their required input-schema nodes to their output-schema nodes, and proposes HyperAgent, a Tool--Schema Hypergraph-guided framework for dynamic planning and execution.

Zian Zhai, Xingyu Tan, Gaowang Zou et al. · 0 citations

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