Towards Data Science
7/21/2026

The original headline is: "Context Engineering: A Four-Part Framework to Reduce RAG Hallucinations"
Original: Prompt Engineering Isn’t Enough: How Four Bricks of Context Engineering Stop RAG Hallucinations
Short summary
The article argues that RAG hallucinations stem from retrieving the wrong context rather than flawed prompts, introducing a four-part 'context engineering' framework to address this. It demonstrates each component's failure mode using real NIST and World Bank documents, then presents a contract-based approach to close the gaps.
- •RAG hallucinations often result from wrong context, not bad prompts
- •Four 'bricks' of context engineering address retrieval failures
- •Demonstrated on real NIST and World Bank documents
Generated with AI, which can make mistakes.
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