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Meng Xiao

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#artificial intelligence Preprint Sep 2026

OntologyAligner: Ontology-Aligned Retrieval and Hierarchy-Guided Large Language Model Reranking for Biomedical Ontology Normalization

OntologyAligner is presented, a three-stage framework that combines ontology-aligned retrieval, large language model candidate reranking, and selective hierarchy-guided refinement that offers a generalizable framework for accurate mapping of biomedical text to structured ontology concepts.

Jie Song, Zhi-Chuan Xu, Zi-Yue Lu et al. · 0 citations

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