Author

Haofei Yang

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Open access Aug 2026

Research on Hybrid Intelligent Assessment Model of English Writing Driven by Big Data

On the premise of not adding extra burden to teachers, intelligent assessment into daily writing tasks and provides reproducible technical paths and experiences for continuous formative assessment is integrated.

Haofei Yang · International Journal of Mob... · 0 citations

Preprint Aug 2026

VDGR-RAG: Vectors, Directories, Graphs, and Reflection Are All You Need for Unified Reasoning over Hierarchical Enterprise Knowledge

Experimental results demonstrate that the VDGR-RAG method significantly outperforms a variety of RAG baselines in terms of both knowledge retrieval recall and QA accuracy.

Wenqi Chen, Haofei Yang, Rui Yang et al. · 0 citations