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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG - Second Edition

By : Keith Bourne
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Unlocking Data with Generative AI and RAG

Unlocking Data with Generative AI and RAG

5 (3)
By: Keith Bourne

Overview of this book

Developing AI agents that remember, adapt, and reason over complex knowledge isn’t a distant vision anymore; it’s happening now with Retrieval-Augmented Generation (RAG). This second edition of the bestselling guide leads you to the forefront of agentic system design, showing you how to build intelligent, explainable, and context-aware applications powered by RAG pipelines. You’ll master the building blocks of agentic memory, including semantic caches, procedural learning with LangMem, and the emerging CoALA framework for cognitive agents. You’ll also learn how to integrate GraphRAG with tools such as Neo4j to create deeply contextualized AI responses grounded in ontology-driven data. This book walks you through real implementations of working, episodic, semantic, and procedural memory using vector stores, prompting strategies, and feedback loops to create systems that continuously learn and refine their behavior. With hands-on code and production-ready patterns, you’ll be ready to build advanced AI systems that not only generate answers but also learn, recall, and evolve. Written by a seasoned AI educator and engineer, this book blends conceptual clarity with practical insight, offering both foundational knowledge and cutting-edge tools for modern AI development. *Email sign-up and proof of purchase required
Table of Contents (26 chapters)
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Part 1: Introduction to Retrieval-Augmented Generation (RAG)
7
Part 2: Components of RAG
14
Part 3: Implementing Agentic RAG
25
Index

Code lab 17.3 – coding semantic memory components

In this lab, we’ll add semantic memory to extract and store factual knowledge from conversations, thereby building a persistent knowledge base.

Step 1 – importing dependencies for semantic memory

We need additional imports for knowledge extraction and structured data management:

# Step 1: Import Dependencies for Semantic Memory
from datetime import datetime
from typing import List, Dict
from pydantic import BaseModel, Field
from langchain_core.output_parsers import JsonOutputParser
from langchain.schema import Document

These imports enable structured knowledge extraction from conversations. The Document class is essential for creating storable memory entries. Now, let’s define the structure for storing semantic facts.

Step 2 – defining a semantic fact structure

Let’s create schemas for extracting and storing different types of factual knowledge:

# Step 2: Define...
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Unlocking Data with Generative AI and RAG
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