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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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
DeepSeek Search & Fetch API Guide
Free-to-read documentation for DeepSeek's Search and Fetch APIs, including authentication, query operators, request examples and response schemas. Running the APIs requires a DeepSeek API key and paid usage; the documentation itself is ungated.
Why this: Also about RAG