1💬User Querynatural language
INTENT ROUTING
2AWS🔀Query ClassifierRAG vs SQL
RETRIEVAL
3AWS🧮Embed QueryTitan Embeddings V2
4AWS🔍Vector SearchkNN in OpenSearch
5📝BM25 Searchkeyword matching
6🔗RRF Fusionreciprocal rank
7⚖️Re-Rankercross-encoder
8🚦Confidence Gatescore > 0.72
GENERATION
9AWS✨LLM GenerateBedrock Claude
10📎Citationssource attribution
NL-TO-SQL PATH
11AWS📊Schema InjectGlue Catalog
12AWS🗄️Execute SQLAthena query