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Explore Local Retrieval Augmented Generation (RAG) from Scratch (step by step tutorial) with 237,971 views, 6,191 likes, and 254 comments. Experience the impact of this video content that has captured audience attention.

In this video we'll build a Retrieval Augmented Generation (RAG) pipeline to run locally from scratch. There are frameworks to do this such as LangChain and LlamaIndex, however, building from scratch means that you'll know all the parts of the puzzle. Specifically, we'll build NutriChat, a RAG pipeline that allows someone to ask questions of a 1200 page Nutrition Textbook PDF. Code on GitHub - https://github.com/mrdbourke/simple-local-rag Whiteboard - https://whimsical.com/simple-local-rag-workflow-39kToR3yNf7E8kY4sS2tjV Be sure to check out NVIDIA GTC, NVIDIA's GPU Technology Conference running from March 18-21. It's free to attend virtually! That's what I'm doing. Sign up to GTC24 here: https://nvda.ws/3GUZygQ Other links: Download Nutrify (take a photo of food and learn about it) - https://nutrify.app Learn AI/ML (beginner-friendly course) - https://dbourke.link/ZTMMLcourse Learn TensorFlow - https://dbourke.link/ZTMTFcourse Learn PyTorch - https://dbourke.link/ZTMPyTorch AI/ML courses/books I recommend - https://www.mrdbourke.com/ml-resources/ Read my novel Charlie Walks - https://www.charliewalks.com Connect elsewhere: Web - https://dbourke.link/web Twitter - https://www.twitter.com/mrdbourke Twitch - https://www.twitch.tv/mrdbourke ArXiv channel (past streams) - https://dbourke.link/archive-channel Get email updates on my work - https://dbourke.link/newsletter Timestamps: 0:00 - Intro/NVIDIA GTC 2:25 - Part 0: Resources and overview 8:33 - Part 1: What is RAG? Why RAG? Why locally? 12:26 - Why RAG? 19:31 - What can RAG be used for? 26:08 - Why run locally? 30:26 - Part 2: What we're going to build 40:40 - Original Retrieval Augmented Generation paper 46:04 - Part 3: Importing and processing a PDF document 48:29 - Code starts! Importing a PDF and making it readable 1:17:09 - Part 4: Preprocessing our text into chunks (text splitting) 1:28:27 - Chunking our sentences together 1:56:38 - Part 5: Embedding creation 1:58:15 - Incredible embeddings resource by Vicky Boykis 1:58:49 - Open-source embedding models 2:00:00 - Creating our embedding model 2:09:02 - Creating embeddings on CPU vs GPU 2:25:14 - Part 6: Retrieval (semantic search) 2:36:57 - Troubleshooting np.fromstring (live!) 2:41:41 - Creating a small semantic search pipeline 2:56:25 - Showcasing the speed of vector search on GPUs 3:20:02 - Part 7: Similarity measures between embedding vectors explained 3:35:58 - Part 8: Functionizing our semantic search pipeline (retrieval) 3:46:49 - Part 9: Getting a Large Langue Model (LLM) to run locally 3:47:51 - Which LLM should I use? 4:03:18 - Loading a LLM locally 4:30:48 - Part 10: Generating text with our local LLM 4:49:09 - Part 11: Augmenting our prompt with context items 5:16:04 - Part 12: Functionizing our text generation step (putting it all together) 5:33:57 - Summary and potential extensions 5:36:00 - Leave a comment if there's any other videos you'd like to see! #ai #rag #GTC24

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