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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG

By : Keith Bourne
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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

Similarity Searching with Vectors

This chapter is all about the R or retrieval part of retrieval-augmented generation (RAG). Specifically, we are going to talk about four areas related to similarity searches: indexing, distance metrics, similarity algorithms, and vector search services. With this in mind, in this chapter, we will cover the following:

  • Distance metrics versus similarity algorithms versus vector search
  • Vector space
  • Code lab 8.1 – Semantic distance metrics
  • Different search paradigms – sparse, dense, and hybrid
  • Code lab 8.2 – Hybrid search with a custom function
  • Code lab 8.3 – Hybrid search with LangChain’s EnsembleRetriever
  • Semantic search algorithms such as k-NN and ANN
  • Indexing techniques that enhance ANN search efficiency
  • Vector search options

By the end of this chapter, you should have a comprehensive understanding of how vector-based similarity searching operates and why it’s...

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Unlocking Data with Generative AI and RAG
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