Access control for vector stores using metadata filtering with Knowledge Bases for Amazon Bedrock

Amazon Bedrock's Knowledge Bases feature, released in November 2023, integrates company data into language models for more relevant and context-aware outputs. By implementing metadata filtering, businesses can control the data used during Retrieval Augmented Generation (RAG) processes, enhancing security and relevance while reducing computational costs. Practical applications include access-controlled chat interfaces in various sectors, ensuring that only authorized users retrieve specific data. The post also explains a step-by-step approach to set up access control, using healthcare as a primary example.