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Code knowledge graph vs RAG: why structure beats similarity

This story is from 2026-10-10. It is preserved in the archive; the latest stories are on the live feed.

Retrieval-augmented generation keeps the text and drops the structure. It splits a corpus into chunks, embeds each chunk, and pulls back the few that sit nearest the question in vector space. Lewis et al. (2020) showed that this works for lookup: a question whose answer is sitting in one passage co…

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  1. 2026-10-10 15:46 · DEV Community — AI
    Code knowledge graph vs RAG: why structure beats similarity

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