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📰 Medium · Programming

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Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
From “It Works” to “I Can Prove It Works”: Building an Evaluation Harness for a RAG Pipeline
How a six-step learning project on ISO/IEC 27001 turned into a lesson about what actually separates a demo from an engineering artifact. Continue reading on Med
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How to Cut RAG Token Costs 90% by Caching the Prefix
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
How to Cut RAG Token Costs 90% by Caching the Prefix
In a typical RAG call, the user’s question is 50 tokens and the payload wrapped around it is 4,000. You are paying full input price, on… Continue reading on Med
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Comment un hacker attaque votre système RAG en 2026
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Comment un hacker attaque votre système RAG en 2026
Et pourquoi le prompt enrichi est le point faible Continue reading on Medium »
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Why you shouldn’t search your documents directly with AI
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Why you shouldn’t search your documents directly with AI
Everyone’s first retrieval-augmented system looks the same: chop the documents into pieces, turn each piece into a vector, search the… Continue reading on Mediu
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Vector Databases — The Missing Piece in the RAG Puzzle
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
Vector Databases — The Missing Piece in the RAG Puzzle
Vector databases store meaning-numbers and find close matches — the retrieval shelf behind most RAG systems. Continue reading on Medium »
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Building a Local Text-to-SQL RAG Pipeline: Architecture, Code, and Honest Trade-offs
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Building a Local Text-to-SQL RAG Pipeline: Architecture, Code, and Honest Trade-offs
Business users ask for reports. Data engineers write SQL. Continue reading on Medium »
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Fixed-Size Chunking Is Killing Your RAG App. Here’s What Actually Works.
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Fixed-Size Chunking Is Killing Your RAG App. Here’s What Actually Works.
You asked your RAG app a question last week, got an answer that sounded confident and polished, and only later realized it was wrong in a… Continue reading on M
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The First Defect My Gardening Bot Found
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The First Defect My Gardening Bot Found
Discovering LangSmith Through a RAG Failure Continue reading on AI Quality Engineer »
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Most RAG Systems Hallucinate Confidently. Yours Probably Does Too.
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Most RAG Systems Hallucinate Confidently. Yours Probably Does Too.
The uncomfortable truth about AI evaluation, and the three-layer framework that separates engineers who ship from engineers who guess. Continue reading on Mediu
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turbovec for RAG: A Practical Guide to Faster, Smaller Vector Search
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
turbovec for RAG: A Practical Guide to Faster, Smaller Vector Search
turbovec uses Google Research’s TurboQuant algorithm to compress RAG embeddings by 16× and outperform FAISS on ARM by 12–20%, without… Continue reading on Mediu
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A 5-Minute Crash Course on RAG
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
A 5-Minute Crash Course on RAG
Learn how RAG works and why it reduces hallucinations Continue reading on Towards AI »
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What I Learned About Semantic Caching by Building a RAG Chatbot in a Weekend
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
What I Learned About Semantic Caching by Building a RAG Chatbot in a Weekend
I had a clean theory about how RAG caches silently corrupt your answers. Continue reading on Level Up Coding »
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The RAG Pipeline That Was Burning Money on Beautifully Irrelevant Context
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
The RAG Pipeline That Was Burning Money on Beautifully Irrelevant Context
An expensive lesson in why having all the information in the world won’t make you any less lost. Continue reading on Medium »
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We Spent Five Parts Improving Our RAG Pipeline. We Had No Idea If Any of It Was Working.
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
We Spent Five Parts Improving Our RAG Pipeline. We Had No Idea If Any of It Was Working.
Part 6 of my GenAI Systems series — and the finale. Parts 1–5 built and optimized a production RAG pipeline, one honest correction at a… Continue reading on Med
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Python RAG Systems: Build AI That Actually Knows Your Data
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
Python RAG Systems: Build AI That Actually Knows Your Data
The Problem With “Smart” AI Continue reading on Medium »
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Local RAG: How I Turned My 10-Year PDF Archive into a Private Search Engine
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
Local RAG: How I Turned My 10-Year PDF Archive into a Private Search Engine
I am a digital hoarder. My “Documents” folder is a graveyard of 2014 tax returns, scanned menus from restaurants that closed during the… Continue reading on Med
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A-RAG: Give the Model Search Tools and Let It Retrieve Its Own Answers
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 3mo ago
A-RAG: Give the Model Search Tools and Let It Retrieve Its Own Answers
Traditional RAG picks chunks before the model sees the question. If the algorithm picks wrong, the model is stuck. A-RAG hands the model… Continue reading on Me
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