Ravi Sir's Cards › AWS
Knowledge bases
This revision card explains Knowledge bases. The model does not know your PDF policy until you ground it. A knowledge base chunks and embeds your docs (often in OpenSearch Serverless) for retrieval-augmented answers. The how-to section notes sync S3 docs into the KB; test retrieval; cite sources in the agent instructions when needed.
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What this card says
Why do we need it?
The model does not know your PDF policy until you ground it.
What is it?
A knowledge base chunks and embeds your docs (often in OpenSearch Serverless) for retrieval-augmented answers.
RAG / KB
How to do it
Sync S3 docs into the KB; test retrieval; cite sources in the agent instructions when needed.
Example
“What is our refund window?” pulls the policy chunk instead of guessing.