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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG - Second Edition

By : Keith Bourne
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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG

5 (3)
By: Keith Bourne

Overview of this book

Developing AI agents that remember, adapt, and reason over complex knowledge isn’t a distant vision anymore; it’s happening now with Retrieval-Augmented Generation (RAG). This second edition of the bestselling guide leads you to the forefront of agentic system design, showing you how to build intelligent, explainable, and context-aware applications powered by RAG pipelines. You’ll master the building blocks of agentic memory, including semantic caches, procedural learning with LangMem, and the emerging CoALA framework for cognitive agents. You’ll also learn how to integrate GraphRAG with tools such as Neo4j to create deeply contextualized AI responses grounded in ontology-driven data. This book walks you through real implementations of working, episodic, semantic, and procedural memory using vector stores, prompting strategies, and feedback loops to create systems that continuously learn and refine their behavior. With hands-on code and production-ready patterns, you’ll be ready to build advanced AI systems that not only generate answers but also learn, recall, and evolve. Written by a seasoned AI educator and engineer, this book blends conceptual clarity with practical insight, offering both foundational knowledge and cutting-edge tools for modern AI development. *Email sign-up and proof of purchase required
Table of Contents (26 chapters)
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1
Part 1: Introduction to Retrieval-Augmented Generation (RAG)
7
Part 2: Components of RAG
14
Part 3: Implementing Agentic RAG
25
Index

Code lab 11.2 – text splitters

The file you need to access from the GitHub repository is titled CHAPTER11-2_TEXT_SPLITTERS.ipynb.

Text splitters split a document into chunks that can be used for retrieval. Larger documents pose a threat to many parts of our RAG application, and the splitter is our first line of defense. If you were able to vectorize a very large document, the larger the document, the more context representation you will lose in the vector embedding. But this assumes you can even vectorize a very large document, which you often can’t! Most embedding models have relatively small limits on the size of documents we can pass to them compared to the large documents many of us work with. For example, the context length for the OpenAI model we are using to generate our embeddings is 8,191 tokens. If we try to pass a document larger than that to the model, it will generate an error. These are the main reasons splitters exist, but these are not the only complexities...

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Unlocking Data with Generative AI and RAG
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