RAG-powered medical Q&A assistant
MedQuery grounds every answer in a curated set of medical reference documents, reducing hallucination risk compared to a plain language-model chat.
Documents are chunked, embedded, and retrieved at query time, then passed to Llama 2 as context alongside the user's question.
Long medical documents produced retrieval chunks that lost important context when split naively.
Switched to overlapping, section-aware chunking that kept headings attached to their content, which noticeably improved retrieval relevance.
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