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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG

By : Keith Bourne
5 (2)
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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG

5 (2)
By: Keith Bourne

Overview of this book

Generative AI is helping organizations tap into their data in new ways, with retrieval-augmented generation (RAG) combining the strengths of large language models (LLMs) with internal data for more intelligent and relevant AI applications. The author harnesses his decade of ML experience in this book to equip you with the strategic insights and technical expertise needed when using RAG to drive transformative outcomes. The book explores RAG’s role in enhancing organizational operations by blending theoretical foundations with practical techniques. You’ll work with detailed coding examples using tools such as LangChain and Chroma’s vector database to gain hands-on experience in integrating RAG into AI systems. The chapters contain real-world case studies and sample applications that highlight RAG’s diverse use cases, from search engines to chatbots. You’ll learn proven methods for managing vector databases, optimizing data retrieval, effective prompt engineering, and quantitatively evaluating performance. The book also takes you through advanced integrations of RAG with cutting-edge AI agents and emerging non-LLM technologies. By the end of this book, you’ll be able to successfully deploy RAG in business settings, address common challenges, and push the boundaries of what’s possible with this revolutionary AI technique.
Table of Contents (20 chapters)
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1
Part 1 – Introduction to Retrieval-Augmented Generation (RAG)
7
Part 2 – Components of RAG
14
Part 3 – Implementing Advanced RAG

Summary

In this chapter, we learned about various components in LangChain that can enhance a RAG application. Code lab 11.1 focused on document loaders, which are used to load and process documents from various sources such as text files, PDFs, web pages, or databases. The chapter covered examples of loading documents from HTML, PDF, Microsoft Word, and JSON formats using different LangChain document loaders, noting that some document loaders add metadata which may require adjustments in the code.

Code lab 11.2 discussed text splitters, which divide documents into chunks suitable for retrieval, addressing issues with large documents and context representation in vector embeddings. The chapter covered CharacterTextSplitter, which splits text into arbitrary N-character-sized chunks, and RecursiveCharacterTextSplitter, which recursively splits text while trying to keep related pieces together. SemanticChunker was introduced as an experimental splitter that combines semantically similar...

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