A metadata-enriched hybrid retrieval pipeline reports 82.1% retrieval and 77.9% RAG accuracy on PubMedQA without fine-tuning.
The probabilistic relevance framework: Bm25 and beyond.F oundations and Trends in Information Retrieval, 3(4):333–389, 2009
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MetaGen Blended RAG: Unlocking Zero-Shot Precision for Specialized Domain Question-Answering
A metadata-enriched hybrid retrieval pipeline reports 82.1% retrieval and 77.9% RAG accuracy on PubMedQA without fine-tuning.