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HOW-LLMS-WORK5 MIN READ

RAG Is a Supply Chain

Diagnose a RAG failure by locating the break in the retrieval supply chain.

The incident An HR bot gives Talia an answer about parental leave using a real citation, but the cited PDF is last year's policy. The visible problem is the answer. The system problem may be source freshness, chunking, retrieval, grounding, or citation. SIPOC lens RAG is a supply chain Map the flow before blaming the model. Retrieval-augmented generation depends on source quality, indexing, retrieval, prompt assembly, generation, and citation checks. Blame model fast, vague, usually incomplete The failure becomes inspectable instead of mystical. A grounded answer is only as reliable as the chain that supplied its ground. 01 Source 02…

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