Knowledge Bases for Amazon Bedrock now supports advanced RAG capabilities

This article announces new advanced capabilities for Knowledge Bases in Amazon Bedrock, Amazon's retrieval-augmented generation (RAG) service. The key new features are:

• Custom chunking: Users can write their own chunking code as a Lambda function to break down long documents for better knowledge retrieval
• Built-in chunking options like semantic and hierarchical chunking
• Smart parsing to extract information from complex data like tables in PDFs
• Query reformulation to break down queries into sub-queries, retrieve relevant information, and combine the results

These new capabilities improve the accuracy and relevance of knowledge retrieval, enabling highly accurate knowledge resources for enterprise use cases.