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Combining Vector and Full-Text Search with Reciprocal Rank Fusion

This story is from 2026-09-25. It is preserved in the archive; the latest stories are on the live feed.

Every time I build retrieval for a RAG system, I run into the same wall. Vector search is wonderful at understanding meaning. Ask it "what is our policy on working from home" and it happily finds the paragraph titled "Remote Work Guidelines" even though the words do not match. But ask it for "ERR_4…

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  1. 2026-09-25 09:30 · DEV Community — AI
    Combining Vector and Full-Text Search with Reciprocal Rank Fusion

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