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What Is RAG? Retrieval-Augmented Generation Explained
RAG (Retrieval-Augmented Generation) is the technique behind knowledge base chatbots. Learn how it works, why it matters, and how it reduces hallucinations.
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Daniel Reeves
Senior AI Engineer at VocUI
Daniel Reeves is a Senior AI Engineer at VocUI, focused on retrieval-augmented generation, embedding pipelines, and vector search. He writes about the technical foundations that make knowledge-base chatbots accurate and reliable.
artificial intelligencemachine learningnatural language processingretrieval-augmented generationvector search
Articles by Daniel Reeves
Explainer
What Are Embeddings? A Simple Explanation
Embeddings turn text into numbers that capture meaning. Learn how AI chatbots use embeddings to find relevant answers.
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What Is Vector Search? How AI Chatbots Find Answers
Vector search finds content by meaning, not keywords. Learn how AI chatbots use vector search to find the most relevant answers.
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What Is Conversational AI? A Beginner's Guide
Conversational AI lets machines understand and respond to human language naturally. Learn what it is and how businesses use it.
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What Is Prompt Engineering? A Practical Introduction
Prompt engineering is the art of writing instructions that get better results from AI. Learn the basics.
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What Is a System Prompt?
A system prompt tells an AI how to behave. Learn what system prompts are and how to write effective ones for chatbots.
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How AI Chatbots Understand Your Questions
AI chatbots don't just match keywords -- they understand meaning. Learn how NLP, embeddings, and LLMs work together.
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AI Hallucination: What It Is and How to Prevent It
AI hallucination is when a chatbot generates confident but incorrect answers. Learn why it happens and how to prevent it.
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How to Write a Chatbot System Prompt That Actually Works
Your chatbot's system prompt controls its personality, accuracy, and boundaries. Learn how to write one that works.
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How to Improve Your Chatbot's Answer Accuracy
Getting vague or wrong answers from your chatbot? Practical steps to improve accuracy.
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How to Train a Chatbot on Your Own Data
Train an AI chatbot on your own PDFs, URLs, and documents -- no ML experience needed.
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What Is a Chatbot Widget and How Does It Work?
A chatbot widget is a small chat interface embedded on your website. Learn how it works and how to add one.
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