Both "grep is all you need" and "BM25 is all you need" Papers Just Got Accepted

lintool · x · 2026-09-26

IR researcher Jimmy Lin reports that his contrarian pieces "grep is all you need" and "BM25 is all you need" were both recently accepted through separate review processes, joking that both were +1ed by LLMs ("wait, I meant peers"). It reinforces his ongoing thesis that simple classic sparse retrieval still beats fancy neural methods in many settings.

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