Unverified50% confidenceBenchmarkExact time
AWS's 2024 case study with Lettria showed that layering graph-based retrieval on top of vector RAG improved answer precision by up to 35% in finance, healthcare, aviation and legal use cases.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/14/2026
First Seen
Valid until: 1/12/2027
Sources
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