Open-Source Local RAG System Built on Gemma 4 Processes 25 Years of News Articles

Summary

A developer has published an open-source project called TeletextSignals on GitHub that implements a fully local Retrieval-Augmented Generation (RAG) pipeline using Google's Gemma 4 model. The system is designed to index and query approximately 25 years of news articles, apparently sourced from teletext broadcasts, enabling semantic search and AI-generated answers over a large historical corpus without requiring cloud-based inference. The project demonstrates the growing feasibility of running s