Author

Xiang-Yu Yu

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#natural language process... Preprint Jun 2026

Towards Root Memory: Benchmarking and Enhancing Implicit Logical Memory Retrieval for Personalized LLMs

Memory systems are essential for personalized Large Language Models (LLMs). However, retrieval within these systems primarily relies on semantic similarity, potentially missing logically critical memories with limited semantic overlap. We refer to this failure as semantic deflection, which remains insufficiently evalua...

Hongxun Ding, Xiang-Yu Yu, Cheng-Bing Wang et al. · 1 citation

#natural language process... Preprint Oct 2026

Hy-Memory-30B-A3B: Attributed Reinforcement Learning for Long-Term Memory Writing

External-memory systems extend language-model applications beyond a context window, but their quality depends critically on the model executing the write path: deciding what to retain, how precisely to represent it, and how new evidence should update persistent state. Existing frameworks typically place a general-purpo...

Tian-Xiang Fei, Jia-Zheng Kang, Mao Zheng et al. · 0 citations