Building a Privacy-First RAG Pipeline with LangChain and Local LLMs
A code-heavy tutorial on building a ‘Chat with your PDF’ app that never touches the internet. Uses widely available open-source tools. Key Sections: 1. **Architecture:** Ingestion -> Embedding -> Vector Store -> Retrieval -> Generation. 2. **The Stack:** LangChain, Ollama (Llama 3), ChromaDB or pgvector, Nomad/local embeddings. 3. **Code Implementation:** Python implementation steps. Handling document […]
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