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Enterprise Document Intelligence [Vol.1 #8ter] – Naming the RAG error correctly matters: model reads the context, so a wrong answer is an extraction error, not a hallucination. Seven typed-contract patterns keep the generation brick honest, with a decomposition rule for small models The post Most RAG Hallucinations Are Extraction Errors: Seven Patterns for a Typed …

Science News

Nature Medicine, Published online: 23 July 2026; doi:10.1038/s41591-026-04563-8 Early diagnosis of Alzheimer’s disease is important to ensure timely and accurate treatment. We show that a blood-based circular RNA signature can accurately detect Alzheimer’s disease as well as, or better than, current biomarkers and even predict who will develop symptoms before they appear. This less invasive …