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The Knowledge Engine: Building RAG Systems: Retrieval-Augmented Generation with Python and Vector Databases
Paperback
Publisher: Independently Published
Published: May 4 2026
Pages: 316
Weight: 0.93
Height: 0.66 Width: 6.00 Depth: 9.00
Language: English
LLMs are powerful.
But without the right data, they are limited.
Retrieval Augmented Generation, RAG, transforms AI systems by combining language models with external knowledge sources, enabling accurate, context aware, and up to date responses.
The Knowledge Engine is a practical, hands on guide to building RAG systems using Python and modern vector database technologies.
This book shows you how to design intelligent systems that retrieve, reason, and generate with precision.
Why RAG is essential for modern AI
Standalone models struggle with:
- outdated knowledge
- hallucinations
- lack of domain specific context
- limited accuracy in complex queries
RAG solves these problems by integrating retrieval systems with generation models.
With RAG, you can:
- connect AI to real data sources
- improve accuracy and relevance
- reduce hallucinations
- build domain specific AI systems
- create scalable knowledge driven applications
What you will learn
- fundamentals of retrieval augmented generation
- how vector databases work
- embeddings and similarity search
- building retrieval pipelines
- integrating LLMs with external data
- chunking and indexing strategies
- optimizing retrieval performance
- evaluation and improvement of RAG systems
- scaling and deploying RAG applications
- monitoring and maintaining knowledge systems
From documents to intelligent systems
Throughout the book, you will learn how to:
- convert raw data into searchable embeddings
- design efficient retrieval systems
- connect retrieval pipelines with generation models
- build reliable AI applications
- optimize performance and cost
- deploy scalable RAG systems
Each chapter is focused on practical implementation.
Practical applications
- enterprise knowledge assistants
- document search and analysis systems
- customer support automation
- internal company knowledge bases
- AI powered research tools
These examples reflect real world use cases.
Who this book is for
- AI engineers
- machine learning engineers
- data scientists
- backend developers working with AI
- professionals building knowledge systems
If you want to build AI systems that are accurate, context aware, and connected to real data, this book provides the roadmap.
Retrieve with precision.
Generate with intelligence.
Build knowledge driven AI systems.
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