<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Rag on Tyler Wells</title><link>https://blog-theta-seven-23.vercel.app/tags/rag/</link><description>Recent content in Rag on Tyler Wells</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Thu, 16 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://blog-theta-seven-23.vercel.app/tags/rag/index.xml" rel="self" type="application/rss+xml"/><item><title>Building Ozark Ridge: Lessons Learned and What I'd Do Differently</title><link>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-5-lessons-learned/</link><pubDate>Thu, 16 Apr 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-5-lessons-learned/</guid><description>[Retail AI Series 5/5] What worked, what didn&amp;#39;t, what I&amp;#39;d do differently in v2, and why this project matters for e-commerce AI.</description></item><item><title>Building the AI Product Assistant: Context Injection, Multi-Turn Chat, and Cross-Product Retrieval</title><link>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-4-ai-assistant/</link><pubDate>Wed, 15 Apr 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-4-ai-assistant/</guid><description>[Retail AI Series 4/5] How to build a Rufus-style AI assistant that answers product questions, suggests complementary gear, and builds camping loadouts — with conversation history, context injection, and dynamic retrieval.</description></item><item><title>Keyword Search vs Semantic Search: Why Natural Language Queries Need Vector Embeddings</title><link>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-3-keyword-vs-semantic/</link><pubDate>Tue, 14 Apr 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-3-keyword-vs-semantic/</guid><description>[Retail AI Series 3/5] Side-by-side comparison of keyword and semantic search, why keyword search fails on natural language queries, and what the retrieval scores actually tell you.</description></item><item><title>Building the Catalog and Ingestion Pipeline: Archetypes, Embeddings, and ChromaDB</title><link>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-2-catalog/</link><pubDate>Mon, 13 Apr 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-2-catalog/</guid><description>[Retail AI Series 2/5] How to generate 1180 realistic products from 20 archetypes, why product descriptions matter for RAG, and how the ingestion pipeline works.</description></item><item><title>Building AI Search for a Retail Website: The Stack and Why</title><link>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-1-stack/</link><pubDate>Sun, 12 Apr 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/ozark-ridge-post-1-stack/</guid><description>[Retail AI Series 1/5] Building a mock outdoor retail site with AI-powered product search and a Rufus-style assistant. This post covers the architecture, stack decisions, and why RAG matters for e-commerce.</description></item><item><title>Scoring RAG Answer Quality with an LLM Judge</title><link>https://blog-theta-seven-23.vercel.app/posts/rag-answer-judging/</link><pubDate>Mon, 26 Jan 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/rag-answer-judging/</guid><description>[RAG Series 3/3] Source URL retrieval tells you whether the right content was retrieved. It doesn&amp;#39;t tell you whether the answer was any good. Adding an LLM judge to the eval harness reveals two failure modes that retrieval scoring alone can&amp;#39;t see.</description></item><item><title>How to Design RAG Eval Test Cases</title><link>https://blog-theta-seven-23.vercel.app/posts/design-rag-eval-test-cases/</link><pubDate>Sat, 24 Jan 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/design-rag-eval-test-cases/</guid><description>[RAG Series 2/3] How to write test cases that catch real retrieval problems, why source URL retrieval is a useful proxy metric, and when it isn&amp;#39;t enough.</description></item><item><title>RAG Retrieval: Chunking, Embeddings, Reranking, and an Eval</title><link>https://blog-theta-seven-23.vercel.app/posts/rag-retrieval-quality/</link><pubDate>Thu, 22 Jan 2026 00:00:00 +0000</pubDate><guid>https://blog-theta-seven-23.vercel.app/posts/rag-retrieval-quality/</guid><description>[RAG Series 1/3] Covers chunking strategy, embedding model consistency, reranking, and building an eval harness — including what happened when Voyage AI&amp;#39;s free-tier rate limits forced a more resilient architecture.</description></item></channel></rss>