20:29Paragon
Walks through the production RAG permission problem and compares tool-calling, namespaces, ACL tables and relationship-based permissions. That directly supports the article's core rule: retrieval must only return sources the current user is allowed to see, and source-system permissions cannot be treated as an afterthought.
What you should get from this: Evaluate practical access-control patterns for company knowledge RAG before indexing sensitive internal documents.
Watch or know first: Basic RAG architecture, vector databases, OAuth or integration-provider permissions, and backend authorization concepts.
AI Expert note: This is a vendor tutorial, so do not copy the graph recommendation blindly. Use it to understand the tradeoffs, then choose the simplest permission model that matches the source systems, sensitivity level, tenancy model and operations capacity.