---
title: "RAG - Sanjay Shankar M"
url: https://sanjayshankar.me/tag/rag/
site: Sanjay Shankar M
---

# RAG - Sanjay Shankar M

- [How GEO Works: The Mechanics of AI Visibility in 2026](https://sanjayshankar.me/how-geo-works-ai-visibility-mechanics/) — I ran GEO tracking across four AI engines. Here is how retrieval, chunking and citation work, and which levers actually change your AI visibility. (2026-08-11)
- [How AI Search Engines Work: A Technical Guide for SEO](https://sanjayshankar.me/how-ai-search-engines-work-technical-guide/) — How AI search engines actually work under the hood: query fan-out, RAG retrieval, chunking, the search indexes behind ChatGPT, Gemini, Claude, and Perplexity. (2026-08-04)