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Xingyu Chen

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#natural language process... Preprint Oct 2026

Learning What to Keep: Transfer-Aware Personal Skill Learning from User Feedback

This work proposes SkillGrain, a framework for learning reusable personalized skills from user feedback that decomposes feedback into independently actionable rules, predicts their transferability, and retains only those suitable for future requests.

Li Wang, Chen Zhang, Yi-Rong Yang et al. · 0 citations
Jul 2026

PAGE-RAG: Evidence-Grounded Adaptive Graph Retrieval for Long-Document Question Answering

Experiments demonstrate that PAGE-RAG achieves competitive answer quality while improving retrieval efficiency and knowledge reliability, highlighting the importance of projection-aware graph modeling, adaptive retrieval, and explicit knowledge boundary control for trustworthy GraphRAG systems.

Xingyu Chen, Junxiu An, Jun Guo et al. · 1 citation

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