Build a Custom AI Research Assistant with RAG & LangChain – A Step-by-Step Tutorial
1. Why Build a RAG-Based Research Assistant?
- Understand the core problem: LLMs have knowledge cutoffs and hallucinate on private or recent documents — RAG (Retrieval-Augmented Generation) solves both by grounding responses in your own data.
- Real-world use cases: summarizing academic papers, answering questions from internal wikis, or building a personal knowledge base chatbot.
- What you’ll build by the end: a working research assistant that ingests PDFs, indexes
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