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BM25 vs Embeddings: Why My Vector Search Couldn't Find Error E4012

A user typed E4012 into my docs assistant. The top result was the page for E4021 . The second was E4013 . The page that actually explained E4012 sat at rank 14, well below my top-5 cutoff, so the LLM never saw it and confidently explained the wrong error. That's the BM25 vs embeddings problem in on…

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  1. 2026-10-19 23:30 · DEV Community — Machine Learning
    BM25 vs Embeddings: Why My Vector Search Couldn't Find Error E4012

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