# Multi-Document RAG: A Folder of Unrelated PDFs Is One Long Document with a Nested Outline > Source: > Published: 2026-08-22 15:00:00+00:00 # Multi-Document RAG: A Folder of Unrelated PDFs Is One Long Document with a Nested Outline Enterprise Document Intelligence [Vol.1 #14B] - No shared fields means no index to build. One summary line per file plus each file’s own table of contents, and retrieval routes down two levels The post Multi-Document RAG: A Folder of Unrelated PDFs Is One Long Document with a Nested Outline appeared Enterprise Document Intelligence [Vol.1 #14B] - No shared fields means no index to build. One summary line per file plus each file’s own table of contents, and retrieval routes down two levels The post Multi-Document RAG: A Folder of Unrelated PDFs Is One Long Document with a Nested Outline appeared first on Towards Data Science. ## Key Takeaways - •Enterprise Document Intelligence [Vol.1 #14B] - No shared fields means no index to build - •This story was reported by **Towards Data Science**, covering developments in the** newsletter**space. - •AI advancements continue to reshape industries — read the full article on Towards Data Science for complete coverage. 📖 Continue reading the full article: [Read Full Article on Towards Data Science →](https://towardsdatascience.com/multi-document-rag-a-folder-of-unrelated-pdfs-is-one-long-document-with-a-nested-outline/)