Core AI

RAG & Vector Search

Retrieval-augmented generation, vector databases, embeddings and semantic search

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lessons
Skills in this topic
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RAG Basics
beginner
Chunk documents with LangChain or LlamaIndex
Vector Stores
intermediate
Set up Pinecone, Weaviate, or pgvector
RAG Evaluation
intermediate
Run RAGAS evaluation on a RAG pipeline
Advanced RAG
advanced
Build a hybrid BM25 + dense retrieval pipeline
All Reads (858) Articles (332)Blog Posts (438)Tutorials (75)Research Papers (13)
Your RAG Pipeline is Probably Useless (And Mine Was Too)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Your RAG Pipeline is Probably Useless (And Mine Was Too)
Most RAG systems look great on paper. Clean data. Vector embeddings. Semantic search. State-of-the-art retrieval metrics. Continue reading on Stack Valley »
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Building a RAG PDF Chatbot From Scratch — The Complete Story
By Harshit Shastri | Final Year AI/ML Engineer, COER Continue reading on Medium »
I Got Tired of Debugging Haystack RAG Pipelines Blind, So I Built a Diagnostics Engine
Dev.to · Aditya Raut 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
I Got Tired of Debugging Haystack RAG Pipelines Blind, So I Built a Diagnostics Engine
RAG pipelines fail in quiet ways. Retrieval drops. Documents go missing. Metadata gets corrupted...
Build a Simple RAG App with Telnyx AI Inference
Dev.to · Sonam 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Build a Simple RAG App with Telnyx AI Inference
RAG is one of those patterns that sounds more complicated than it has to be. At its core,...
Production RAG Systems — 7 Lessons We Learned the Hard Way
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Production RAG Systems — 7 Lessons We Learned the Hard Way
Building a RAG demo takes an afternoon. Building a RAG system that works reliably in production — handling thousands of real business… Continue reading on Towar
Production RAG Systems — 7 Lessons We Learned the Hard Way
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Production RAG Systems — 7 Lessons We Learned the Hard Way
Building a RAG demo takes an afternoon. Building a RAG system that works reliably in production — handling thousands of real business… Continue reading on Towar
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Water Cooler Small Talk, Ep. 11: Overfitting in RAG evaluation
Why memorizing for the exam doesn't mean you understand the subject The post Water Cooler Small Talk, Ep. 11: Overfitting in RAG evaluation appeared first on To
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Amplify the Expert: A Philosophy for Building Enterprise RAG
Enterprise Document Intelligence [Vol.1 #M1] - The thesis behind every architectural choice in this series The post Amplify the Expert: A Philosophy for Buildin
Does 90% of a RAG Project Have Nothing to Do With the Model?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Does 90% of a RAG Project Have Nothing to Do With the Model?
I increasingly think RAG projects have a strange habit: whenever the system gives a wrong answer, the first suspect is always the model. Continue reading on Med
Building UniQuery: Designing an AI-Powered University Query Management System Using RAG, Machine…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Building UniQuery: Designing an AI-Powered University Query Management System Using RAG, Machine…
“The real challenge in AI isn’t generating text — it’s generating trustworthy answers.” Continue reading on Medium »
10 GenAI Techniques for Integrating a RAG Pipeline with Enterprise Data Warehouses
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
10 GenAI Techniques for Integrating a RAG Pipeline with Enterprise Data Warehouses
Practical GenAI patterns for connecting RAG systems with enterprise-scale data platforms Continue reading on Medium »
I Built a RAG System That Detects Its Own Hallucinations
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
I Built a RAG System That Detects Its Own Hallucinations
Most RAG pipelines generate an answer and ship it. This one generates, critiques, rewrites, and tries again — until it’s confident or… Continue reading on Mediu
I Let My AI Agent Build a Bedrock RAG Knowledge Base, Here Are the 2 Mistakes the AWS Agent Toolkit Caught
Dev.to · Saurabh "Rob" Dahal 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
I Let My AI Agent Build a Bedrock RAG Knowledge Base, Here Are the 2 Mistakes the AWS Agent Toolkit Caught
Provisioning a Bedrock RAG knowledge base with S3 Vectors, without the hallucinated API calls. If...
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
The New Era of Retrieval: Evaluating Vectorless RAG and Pipeline Resilience
As AI architectures move beyond embedding-based search, the battleground shifts from optimization to data integrity. Here is how to defend… Continue reading on
I Built a RAG Back end in Django on PostgreSQL 18 + Windows. Here’s Every Way It Broke
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
I Built a RAG Back end in Django on PostgreSQL 18 + Windows. Here’s Every Way It Broke
Everyone says RAG is five easy steps. It was five steps plus a guided tour of every way PostgreSQL can betray you on Windows. Continue reading on Medium »
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 6d ago
To Isolate or to Score? Model-Adaptive Assessment for Cost-Efficient Multi-Agent RAG
arXiv:2606.25191v1 Announce Type: new Abstract: Multi-agent document assessment for retrieval-augmented generation is computationally expensive, driving practit
The 5 RAG Architectures and Exactly When to Use Each One in Production
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
The 5 RAG Architectures and Exactly When to Use Each One in Production
A deep, practical breakdown of every retrieval pattern worth knowing, with LangGraph and LlamaIndex. Continue reading on Towards AI »
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why Your PDF Answers Are Wrong: The Chunking Problem in RAG
When a RAG system returns a wrong or incomplete answer from a PDF, the instinct is to blame the model. Usually the real culprit is… Continue reading on Medium »
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Retrieval Is Filtering, Not Search: A Mental Model for Enterprise RAG
Enterprise Document Intelligence [Vol.1 #7A] - Stop searching strings. Filter line_df and toc_df. Pick anchors small, expand context large The post Retrieval Is
I added a reranker to my RAG pipeline — it broke everything, then I fixed it
Dev.to · Santanu Mohanta 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I added a reranker to my RAG pipeline — it broke everything, then I fixed it
In v2 I added hybrid retrieval (FAISS + BM25) to fix keyword blindspots. All 19 test questions...
Why Your RAG System Gives Wrong Answers (And Why You Can’t Tell Which Part Broke)
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why Your RAG System Gives Wrong Answers (And Why You Can’t Tell Which Part Broke)
A user reports a wrong answer from your RAG system. You open the trace. The answer reads fine. It’s confident, it’s fluent, the sentence… Continue reading on Me
Why Your RAG System Gives Wrong Answers (And Why You Can’t Tell Which Part Broke)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why Your RAG System Gives Wrong Answers (And Why You Can’t Tell Which Part Broke)
A user reports a wrong answer from your RAG system. You open the trace. The answer reads fine. It’s confident, it’s fluent, the sentence… Continue reading on Me
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1w ago
Only Ask What You Don't Know: Grounded Delta Planning for Efficient Multi-step RAG
arXiv:2606.22681v1 Announce Type: cross Abstract: Multi-hop question answering remains challenging for Retrieval-Augmented Generation (RAG) because existing app
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1w ago
When Confidence Takes the Wrong Path: Diagnosing Retrieval-State Lock-In in RAG
arXiv:2606.22728v1 Announce Type: cross Abstract: The trustworthiness of a retrieval-augmented generation (RAG) system depends on more than the answer it return
What a single zero score taught me about retrieval
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
What a single zero score taught me about retrieval
Building a RAG system is easy. Proving you can trust it is harder. Here’s how I built an evaluation pipeline using real SEC filings… Continue reading on Medium
I built research - Document 04 ? RAG and Knowledge Retrieval in 2 months. Zero cloud. Zero compromise.
Dev.to · Lois-Kleinner 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I built research - Document 04 ? RAG and Knowledge Retrieval in 2 months. Zero cloud. Zero compromise.
**research - Document 04 ? RAG and Knowledge Retrieval** --- ## The Problem This document presents the design and evaluation of the Retrieval-Augmented Generati
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
When RAG Users Ask Vague Questions: Clarify Once, Learn the Default
Enterprise Document Intelligence [Vol.1 #6bis] - Ask one focused clarification, learn the default from the answer, stay silent next time The post When RAG Users
Phase 1: Document Ingestion - The Hidden Complexity Before Embeddings
Dev.to · surajrkhonde 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Phase 1: Document Ingestion - The Hidden Complexity Before Embeddings
The Complete Story: Why Most RAG Systems Fail Before They Start The Story...
Why My RAG App Kept Hallucinating (and How I Fixed It)
Dev.to · Pallavi Sharma 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why My RAG App Kept Hallucinating (and How I Fixed It)
A few months ago I was demoing my RAG-powered support bot to a colleague, feeling pretty confident...
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I Rebuilt My RAG Pipeline on Microsoft Foundry. Here’s What Changed.
For the last two years, every retrieval-augmented generation pipeline I’ve built has followed the same painful pattern: stand up a vector… Continue reading on M
From RAG Demo to Production: What It Actually Takes to Serve Millions of Users
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
From RAG Demo to Production: What It Actually Takes to Serve Millions of Users
Building a retrieval-augmented conversational AI that real enterprises depend on is a very different problem than building one that demos… Continue reading on M
Building an Enterprise RAG System for Security Analytics: Architecture and Evaluation
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Building an Enterprise RAG System for Security Analytics: Architecture and Evaluation
A technical walkthrough of a production-patterned RAG pipeline built for security analytics — the design decisions, the evaluation… Continue reading on Medium »
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Reconstructing the Table of Contents a PDF Forgot to Ship, So RAG Can Scope by Section
Enterprise Document Intelligence [Vol.1 #5septies] - When a PDF prints a contents page but exposes no outline, two ways to turn it back into structure, plus the
Your RAG Pipeline Is Bleeding Memory — TurboVec Might Be the Fix
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Your RAG Pipeline Is Bleeding Memory — TurboVec Might Be the Fix
How a Rust-based open-source project built on Google Research’s TurboQuant is making vector search faster, smaller, and fully local Continue reading on Medium »
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Pipeline: Complete Node.js Implementation Guide
Build production RAG systems in Node.js — Know where it breaks, why it works, and when to use it Continue reading on Medium »
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Pipeline: Complete Node.js Implementation Guide
Build production RAG systems in Node.js — Know where it breaks, why it works, and when to use it Continue reading on Medium »
Knowledge Graphs: The Missing Piece in Most RAG Systems
Dev.to · Vishwajeet Kondi 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Knowledge Graphs: The Missing Piece in Most RAG Systems
If you've been exploring AI agents recently, chances are you've come across RAG (Retrieval-Augmented...
I built a code Q&A bot with RAG – what worked and what failed
Dev.to · zhongqiyue 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I built a code Q&A bot with RAG – what worked and what failed
A few months ago, our team had a problem: every new developer spent days digging through scattered...
RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG
Retrieval-Augmented Generation (RAG) confused me at first. Once I learned the concept, I realized the core idea is simple, even if the… Continue reading on Medi
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results
I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results I built a RAG pipeline for private document search. It cost me $500
Choosing a Vector Database in 2026: pgvector vs Pinecone vs Qdrant vs Weaviate
Dev.to · DatanestDigital 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Choosing a Vector Database in 2026: pgvector vs Pinecone vs Qdrant vs Weaviate
A practical comparison of the main vector database options for RAG and semantic search — pgvector, Pinecone, Qdrant, and Weaviate — with the trade-offs that act
RAG Pipeline: The Uncle-Nephew Complete Learning Guide
Dev.to · surajrkhonde 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Pipeline: The Uncle-Nephew Complete Learning Guide
How to Build Systems That Actually Know Your Data (Not Hallucinate About It) ...
How Japan’s Research Labs Are Building RAG Systems That Actually Work — And What Western Teams Keep Getting Wrong
Dev.to · xu xu 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How Japan’s Research Labs Are Building RAG Systems That Actually Work — And What Western Teams Keep Getting Wrong
Your vector database is returning relevant chunks. Your embedding model scores 0.89 on retrieval...
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Amazon Bedrock AgentCore Web Search: Why RAG Agents Fail and How to Ship Live-Grounded Agents
Originally published at twarx.com - read the full interactive version there. Last Updated: June 20, 2026 Every RAG pipeline your team shipped in 2023 is silentl
How to Build a RAG Pipeline for an Enterprise Knowledge Base That Actually Works in Production
Dev.to · Open Craft 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How to Build a RAG Pipeline for an Enterprise Knowledge Base That Actually Works in Production
Retrieval-Augmented Generation (RAG) — a pattern where a language model answers questions by first pulling relevant document chunks from a search inde
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Everyone Keeps Declaring RAG Dead and It Keeps Showing Up to Its Own Funeral
There’s a genre of AI hot take that resurfaces every few months like clockwork: “RAG is dead.” I’ve seen this headline written, in some… Continue reading on Med
RAG (Retrieval-Augmented Generation) Nedir? “Açık Kitap Sınavına Giren Yapay Zeka”
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG (Retrieval-Augmented Generation) Nedir? “Açık Kitap Sınavına Giren Yapay Zeka”
Üniversitede beni hem şaşırtan hem çok rahatlatan bir sistemle karşılaşmıştım. Continue reading on Medium »
Is ChromaDB Silently Killing Your RAG Accuracy?
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Is ChromaDB Silently Killing Your RAG Accuracy?
You’ve probably seen a dozen “vector database comparison” articles by now. Most of them compare managed cloud services on someone else’s… Continue reading on Me