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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 14.1 – Query expansion

The code for this lab can be found in the CHAPTER14-1_QUERY_EXPANSION.ipynb file in the CHAPTER14 directory of the GitHub repository.

Many techniques for enhancing RAG focus on improving one area, such as retrieval or generation, but query expansion has the potential to improve both. We have already talked about the concept of expansion in Chapter 13, but that was focused on the LLM output. Here, we focus the concept on the input to the model, augmenting the original prompt with additional keywords or phrases. This approach can improve the retrieval model’s understanding as you add more context to the user query that is used for retrieval, increasing the chances of fetching relevant documents. With an improved retrieval, you are already helping to improve the generation, giving it better context to work with, but this approach also has the potential to produce a more effective query, which in turn also helps the LLM deliver an improved...

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