18 minutesAWS re:Invent 2025 - Implementing Human-in-the-Loop Controls for Multi-Agent AI Systems (CNS428)
See how approval gates can be implemented as explicit workflow checkpoints rather than informal manual review after something goes wrong.
AI Jason. Covers the exact stack the article argues for — query translation, hybrid retrieval, reranking, and a corrective-RAG loop — in one runnable build. Useful as a working mental model for what the chunk → rerank → answer pipeline looks like when it's actually doing its job.
Treat the framework, model and Llama3-specific setup as version-sensitive. Keep the pipeline shape, but verify current package APIs, model choices, reranker quality and eval results before copying the implementation.
See how query rewriting, hybrid retrieval, reranking and corrective loops fit into one RAG pipeline.
Know the basic retrieve-then-generate pattern and be comfortable reading a code walkthrough.
Last reviewed: May 18, 2026
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