:INFO Building a RAG Knowledge Base for Research Retrieval-augmented generation lets you query your own documents using natural language. LlamaIndex and LangChain make it possible to build a personal research assistant over any collection of PDFs, notes, or web pages. :COUNTER.half 10,000 Docs | :COUNTER.half Under 2s :PATH Ingest Phase Collect your source documents. Run them through a chunking and embedding pipeline. Store vectors in a local or cloud vector database. :PATH Query Phase Ask questions in natural language. The retriever fetches relevant chunks and the LLM generates a grounded answer with source references. :PATH Refine Phase Improve retrieval quality by adjusting chunk size, overlap, and embedding model. Add metadata filtering for better precision. :CHECKLIST RAG Setup Checklist [ ] Choose framework: LlamaIndex or LangChain [ ] Select embedding model [ ] Choose vector store: Chroma, Qdrant, or Pinecone [ ] Ingest first batch of documents [ ] Test with 10 research questions [ ] Evaluate answer accuracy and source quality [ ] Add new documents on a regular schedule :NOTE Chunk size has a big impact on retrieval quality. Start with 512 tokens and an overlap of 50 tokens. Smaller chunks improve precision; larger chunks improve context for complex answers. :LINK https://docs.llamaindex.ai LlamaIndex documentation and quickstart guides