ontology-aware-retrieval

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papersSEP 10 04:00 UTC

OntologyAligner pairs ontology-aware retrieval with LLM reranking for biomedical normalization

A new arXiv paper presents OntologyAligner, a method for mapping free-text biomedical phrases to standardized ontology concepts. It combines a retrieval stage aligned with the ontology's structure with a reranking step in which a large language model uses hierarchy cues to separate closely related candidates. The work is announced in cs.AI with a cross-listing in cs.CL.

llm/biomedical/retrieval/nlp