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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

Code lab 8.2 – Hybrid search with a custom function

The file you need to access from the GitHub repository is titled CHAPTER8-2_HYBRID_CUSTOM.ipynb.

In this code lab, we are going to start with the notebook from Chapter 5: CHAPTER5-3_BLUE_TEAM_DEFENDS.ipynb. Note that we are not using the Chapter 6 or 7 code, which has a lot of miscellaneous code we won’t use going forward. There is an added bonus in this code lab though; we are going to introduce some new elements that will carry us through the next couple of chapters, such as a new type of document loader for PDFs rather than web pages, a new larger document with more data to search, and a new text splitter. We will also clean out any code we no longer need as a result of these changes.

Once we have updated the code for these changes, we can focus on the task at hand, which is to use BM25 to generate our sparse vectors, combining those vectors with the dense vectors we have already used to form a hybrid search...

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