Getting Started with Retrieve-Augmented Generation (RAG)
Chapter 1: Introduction to Retrieve-Augmented Generation
Limitations of Standard Large Language Models
What is Retrieve-Augmented Generation (RAG)?
The Core Architecture of a RAG System
RAG vs. Fine-tuning: Understanding the Differences
Benefits of Using RAG
Quiz for Chapter 1
Chapter 2: The Retrieval Component
Role of the Retriever in RAG
Introduction to Vector Embeddings
Common Embedding Models
Similarity Search: Finding Relevant Vectors
Introduction to Vector Databases
Choosing a Vector Database: Considerations
Practice: Generating Text Embeddings
Quiz for Chapter 2
Chapter 3: Preparing Data for Retrieval
Loading Documents from Various Sources
The Need for Document Chunking
Fixed-Size Chunking Strategies
Content-Aware Chunking Approaches
Metadata Association with Chunks
Storing Processed Data in a Vector Database
Hands-on Practical: Chunking Documents
Quiz for Chapter 3
Chapter 4: The Generation Component and Augmentation
Role of the Generator (LLM) in RAG
Structuring Prompts for RAG
Context Injection Methods
Managing Context Length Limitations
Generating the Final Response
Attributing Sources in Generated Output
Quiz for Chapter 4
Chapter 5: Building a Basic RAG Pipeline
Overview of RAG Frameworks (e.g., LangChain, LlamaIndex)
Setting up the Environment
Implementing the Retriever
Implementing the Generator Integration
Combining Retrieval and Generation
Running Queries Through the Pipeline
Hands-on Practical: End-to-End RAG System
Quiz for Chapter 5
Chapter 6: Evaluating and Improving RAG Systems
Challenges in Evaluating RAG
Component-Level Evaluation: Retrieval
Component-Level Evaluation: Generation
End-to-End RAG Evaluation Frameworks
Common Failure Modes
Basic Strategies for Improvement
Practice: Analyzing RAG Output Quality
Quiz for Chapter 6
What is Retrieve-Augmented Generation (RAG)?
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- Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks, Patrick Lewis, Yuxiang Wu, Punit Singh Koura, Sebastian Riedel, Edward Grefenstette, Ludovic Denoyer, and Mike Lewis, 2020 Advances in Neural Information Processing Systems (NeurIPS) 33, Vol. 33 (NeurIPS) DOI: 10.48550/arXiv.2005.11401 - The original paper introducing the RAG framework, demonstrating its effectiveness in combining retrieval with generation for knowledge-intensive tasks.
- A Survey on Retrieval-Augmented Generation, Yunfan Gao, Yun Xiong, Xinyu Gao, Kang Zhang, Jiajun Zhang, HUI SUN, and Haizhou Wang, 2023 arXiv preprint arXiv:2312.10997 - A comprehensive review of RAG, covering its fundamental components, various architectures, applications, and current research directions.
- Retrieval Augmented Generation: Building the Next Generation of LLM Applications, Lewis Tunstall, Omar Espejel, and Philipp Schmid, 2023 (Hugging Face Blog) - An accessible explanation of RAG, its components, and practical benefits, suitable for a general technical audience.