Patrick Lewis
Lead author of the paper that introduced retrieval-augmented generation
An AI researcher who led the 2020 paper introducing retrieval-augmented generation (RAG) — having a model look documents up before answering, now the standard way to ground an assistant in your own material.
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Recommended next
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AI Agents Course (Hugging Face)
Free course on autonomous and tool-using agent architecture, with framework implementations in smolagents, LlamaIndex, and LangGraph, plus agentic RAG workflows.
Why this: Also about RAG
Langflow
Open-source, low-code visual builder for agentic and retrieval-augmented generation (RAG) AI applications. Free to self-host; the project also offers hosted options.
Why this: Also about RAG