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Zi-Rui Liu

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#artificial intelligence Preprint Sep 2026

How Should Diffusion Language Models Edit Code?

Code editing requires a model to decide where to make changes, generate the new content, and preserve everything else. We study how masked diffusion language models divide these responsibilities across four editing interfaces: whole-file rewriting, search-and-replace, locate-then-infill, and token-level editing. Experi...

Xi-Jia Tao, Zi-Rui Liu, Shansan Gong et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Detecting Pretraining Data in Large Language Models from a Free-Energy Perspective

This work introduces an inclined boundary that evaluates prediction loss relative to predictive entropy, and shows that entropy correction can preserve the expected membership signal while reducing its variance, thereby improving standardized member--non-member separation.

Chen-Ye Ke, Zi-Rui Liu, Qi Liu et al. · 0 citations
Jul 2026

VizRAG: Enhancing Retrieval-Augmented Generation with Hypergraph Visualization

VizRAG is introduced, the first RAG system to support visual hypergraph structure awareness, and demonstrates that VizRAG significantly outperforms strong baselines, validating the promising potential of hypergraph visualization as a novel approach for RAG systems.

Yan-Bin Wei, Yang Chen, Ren-Ling Gan et al. · 0 citations
Preprint Aug 2026

Learning What to Remember and What to Internalize in LLM Self-Evolution via Adaptive Memory-Parameter Coordination

COVE is presented, a unified agent self-evolution framework that combines harness-based and parameter-based learning through task-aware routing, stage-aware scheduling, and knowledge optimization, and shows that COVE outperforms single-channel evolution strategies.

T. Ji, Zhenya Huang, Jiayu Liu et al. · 0 citations
Preprint Aug 2026

Fewer Tokens, Smaller Cache: Reward-Coordinated Efficient Reasoning

ReCo (Reward-Coordinated Compression), a step-wise framework in which a lightweight process-reward estimator scores each completed step and drives three components: reward-adaptive KV-cache compression that shrinks the retained cache harder at high-reward steps and less at low-reward ones, and a confidence-based early...

Qi-Yuan Zhu, De-Zhi Li, Pengyu Cheng et al. · 1 citation

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