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Building Data-Driven Applications with LlamaIndex

You're reading from   Building Data-Driven Applications with LlamaIndex A practical guide to retrieval-augmented generation (RAG) to enhance LLM applications

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781835089507
Length 368 pages
Edition 1st Edition
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Author (1):
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Andrei Gheorghiu Andrei Gheorghiu
Author Profile Icon Andrei Gheorghiu
Andrei Gheorghiu
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Table of Contents (18) Chapters Close

Preface 1. Part 1:Introduction to Generative AI and LlamaIndex FREE CHAPTER
2. Chapter 1: Understanding Large Language Models 3. Chapter 2: LlamaIndex: The Hidden Jewel - An Introduction to the LlamaIndex Ecosystem 4. Part 2: Starting Your First LlamaIndex Project
5. Chapter 3: Kickstarting Your Journey with LlamaIndex 6. Chapter 4: Ingesting Data into Our RAG Workflow 7. Chapter 5: Indexing with LlamaIndex 8. Part 3: Retrieving and Working with Indexed Data
9. Chapter 6: Querying Our Data, Part 1 – Context Retrieval 10. Chapter 7: Querying Our Data, Part 2 – Postprocessing and Response Synthesis 11. Chapter 8: Building Chatbots and Agents with LlamaIndex 12. Part 4: Customization, Prompt Engineering, and Final Words
13. Chapter 9: Customizing and Deploying Our LlamaIndex Project 14. Chapter 10: Prompt Engineering Guidelines and Best Practices 15. Chapter 11: Conclusion and Additional Resources 16. Index 17. Other Books You May Enjoy

Parsing the documents into nodes

As we saw in Chapter 3, Kickstarting Your Journey with LlamaIndex, the next step is to split the documents into nodes. In many cases, documents tend to be very large, so we need to break them down into smaller units called nodes. Working at this granular level allows for better handling of our content while maintaining an accurate representation of its internal structure. This is the basic mechanism that LlamaIndex uses to manage our proprietary data content more easily.

Now is the time to understand how nodes can be generated in LlamaIndex and what customization opportunities we have along the way. In the previous chapter, we talked about how to manually create nodes. But that was merely a way to simplify the explanation and help you better understand their mechanics. In a real application, most likely, we will want to use some automatic methods to generate them from the ingested documents. So, that’s what we’ll focus on going forward...

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