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Building AI Agents with LLMs, RAG, and Knowledge Graphs

You're reading from   Building AI Agents with LLMs, RAG, and Knowledge Graphs A practical guide to autonomous and modern AI agents

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Product type Paperback
Published in Jul 2025
Publisher Packt
ISBN-13 9781835087060
Length 560 pages
Edition 1st Edition
Concepts
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Authors (2):
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Salvatore Raieli Salvatore Raieli
Author Profile Icon Salvatore Raieli
Salvatore Raieli
Gabriele Iuculano Gabriele Iuculano
Author Profile Icon Gabriele Iuculano
Gabriele Iuculano
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Toc

Table of Contents (17) Chapters Close

Preface 1. Part 1: The AI Agent Engine: From Text to Large Language Models
2. Chapter 1: Analyzing Text Data with Deep Learning FREE CHAPTER 3. Chapter 2: The Transformer: The Model Behind the Modern AI Revolution 4. Chapter 3: Exploring LLMs as a Powerful AI Engine 5. Part 2: AI Agents and Retrieval of Knowledge
6. Chapter 4: Building a Web Scraping Agent with an LLM 7. Chapter 5: Extending Your Agent with RAG to Prevent Hallucinations 8. Chapter 6: Advanced RAG Techniques for Information Retrieval and Augmentation 9. Chapter 7: Creating and Connecting a Knowledge Graph to an AI Agent 10. Chapter 8: Reinforcement Learning and AI Agents 11. Part 3: Creating Sophisticated AI to Solve Complex Scenarios
12. Chapter 9: Creating Single- and Multi-Agent Systems 13. Chapter 10: Building an AI Agent Application 14. Chapter 11: The Future Ahead 15. Index 16. Other Books You May Enjoy

Creating an application with Streamlit and AI agents

In this section, we will look at integrating the multi-agent system described in Chapter 9 into an app with Streamlit. Here, we will describe only the code parts we change; the structure remains the same. In the previous chapter, we built a script that allowed a travel program to be defined; in this chapter, the output is the same, but the system is encapsulated in an app. In other words, our app will run in the browser and can be used even by a user who does not know programming.

As a brief recap, the multi-model Travel Planning System is an AI-driven assistant that integrates multiple specialized models to generate personalized travel plans. It consists of four key agents:

  • WeatherAnalysisAgent: Predicts the best travel months using historical weather data
  • HotelRecommenderAgent: Uses a transformer model to find accommodations that match user preferences
  • ItineraryPlannerAgent: Employs GPT-2 to generate detailed...
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