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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

End-to-end evaluation

Beyond providing the metrics for evaluating each stage of the RAG pipeline in isolation, ragas provides metrics for the entire RAG system, called end-to-end evaluation. For the generation stage, ragas has two metrics, called answer correctness and answer similarity, as you see here in the last part of the output and charts:

**End-to-end evaluation**:
                    Similarity Run  Hybrid Run  Difference
answer_correctness        0.776018    0.717365    0.058653
answer_similarity         0.969899    0.969170    0.000729

The chart in Figure 9.4 shows the visualization for these results:

Figure 9.4 – Chart showing end-to-end performance comparison between similarity search and hybrid search

Figure 9.4 – Chart showing end-to-end performance comparison...

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