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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

Hybrid RAG/multi-vector RAG for improved retrieval

Hybrid RAG expands on the concept of naïve RAG by utilizing multiple vectors for the retrieval process, as opposed to relying on a single vector representation of queries and documents. We explored hybrid RAG in depth and in code in Chapter 8, not only utilizing the mechanism recommended within LangChain but by re-creating that mechanism ourselves so that we could see its inner workings. Also called multi-vector RAG, hybrid RAG can involve not just semantic and keyword search, as we saw in our code lab, but the mix of any different vector retrieval techniques that make sense for your RAG application.

Our hybrid RAG code lab introduced a keyword search, which expanded our search capabilities, leading to more effective retrieval, particularly when dealing with content that has a weaker context (such as names, codes, internal acronyms, and similar text). This multi-vector approach allows us to consider broader facets of the query...

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