Thomas Uhrig • 11/14/2025

How to Build Your Own Local RAG System

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This technical tutorial explains how to build a fully local Retrieval-Augmented Generation (RAG) system for querying internal knowledge bases like Confluence. It provides a step-by-step guide covering content extraction via APIs, text cleaning/chunking, local embedding generation, similarity search, and prompt construction to get context-grounded answers from an LLM, complete with a Java/Gradle demo project.

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#llm #Java #Rag
How to Build Your Own Local RAG System

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