Advanced RAG Chunking: Contextual & Structural Chunking with LangChain & Ollama (100% Local)

Complete tutorial and source code (requires MLExpert Pro): https://www.mlexpert.io/academy/v2/context-engineering/effective-chunking-strategies Simple chunking kills RAG performance. If you split a document every 500 characters, you sever tables, break sentences, and create "orphan chunks" that have no context. In this video, we'll build an advanced chunking pipeline that respects document structure and uses a local LLM to inject global context into every single chunk. We will move beyond RecursiveCharacterTextSplitter and implement a two-pass strategy: Markdown Header Splitting followed by …