Core AI

RAG & Vector Search

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

4,922
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
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Enterprise RAG Isn’t Just About Retrieval
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 15h ago
Enterprise RAG Isn’t Just About Retrieval
Retrieval-Augmented Generation (RAG) has rapidly become one of the most effective ways to build enterprise AI applications. By combining… Continue reading on Me
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Enterprise Knowledge Graph: A CTO’s Playbook for AI That Understands Your Business
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago
Enterprise Knowledge Graph: A CTO’s Playbook for AI That Understands Your Business
Core Concepts: Understanding the Enterprise Knowledge Graph Continue reading on Medium »
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PixelRAG: When Retrieval Stops Reading Text and Starts Seeing Pages
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago
PixelRAG: When Retrieval Stops Reading Text and Starts Seeing Pages
PixelRAG replaces text-based retrieval with visual page embeddings — it renders documents as screenshots, retrieves image tiles instead of… Continue reading on
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KNN vs. HNSW: Choosing the Right Nearest-Neighbor Algorithm for Your RAG Pipeline
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago
KNN vs. HNSW: Choosing the Right Nearest-Neighbor Algorithm for Your RAG Pipeline
If you’ve built a RAG pipeline, a recommendation engine, or a semantic search feature in the last two years, you’ve made a… Continue reading on Medium »
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AnswerSurvivalRAG: What Happens When RAG Finds the Answer, Then Drops It?
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2d ago
AnswerSurvivalRAG: What Happens When RAG Finds the Answer, Then Drops It?
Many RAG systems fail in ways that are easy to miss. Continue reading on Medium »
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Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago
RAG on Google Cloud in Regulated Environments: A Lifecycle Playbook from Inception to…
Retrieval-Augmented Generation is not “put documents in a vector database and call an LLM.” In a regulated enterprise — PHI, PCI… Continue reading on Medium »
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Solving One of the Hardest Problems in Code RAG: Context Retrieval
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago
Solving One of the Hardest Problems in Code RAG: Context Retrieval
While building a code-based RAG system for automation code generation, I ran into an interesting challenge. Continue reading on Medium »
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Building a Vector Search Assistant: What I Learned from Module 2
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Building a Vector Search Assistant: What I Learned from Module 2
When I first started learning about Retrieval-Augmented Generation, search felt like the simple part. You ask a question, look up the… Continue reading on Mediu
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Reddit r/LocalLLaMA 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
What's in your RAG?
I want to up my game, with RAG. I tested it ages ago, but haven't found a usecase. I play with coding, projects, and light sysadmin work. # Thoughts RFC library
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The RAG Tax: Why Your Retrieval Pipeline Costs More Than the Model
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
The RAG Tax: Why Your Retrieval Pipeline Costs More Than the Model
Everyone budgets for inference; nobody budgets for re-embedding, chunk sprawl, re-indexing, and vector-store ops. The model is the cheap… Continue reading on Si
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Salesforce Agentforce and Basic Terminology (RAG, Grounding, Context Variables, Hybrid Search)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Salesforce Agentforce and Basic Terminology (RAG, Grounding, Context Variables, Hybrid Search)
Salesforce defines Agentforce as a suite of autonomous, AI-driven digital workers that augment employees and enhance customer experiences… Continue reading on M
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InfoQ AI/ML 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
Presentation: Graph RAG: Building Smarter Retrieval Workflows with Knowledge Graphs
Cassie Shum discusses the architectural evolution of GraphRAG and why data foundations are critical for advanced AI workflows. She explains how traditional vect
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GraphRAG: What entity-first retrieval means for SEO
Search Engine Land 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
GraphRAG: What entity-first retrieval means for SEO
GraphRAG explains why AI is shifting from isolated text to connected knowledge, and what that means for AI search optimization.
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When “Smart” Parsers Fail: Building a Hallucination-Resistant RAG System for the Constitution of…
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago
When “Smart” Parsers Fail: Building a Hallucination-Resistant RAG System for the Constitution of…
A case study in why deterministic engineering sometimes beats expensive AI Continue reading on Medium »
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When RAG Outperforms Fine-Tuning in Real AI Projects | A Practical Guide
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
When RAG Outperforms Fine-Tuning in Real AI Projects | A Practical Guide
Explore the practical differences between RAG and fine-tuning, understand when each approach works best and build more reliable AI apps. Continue reading on Med
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Your RAG System Is Lying to You in Production
14 silent killers — why they happen, where they hide, and exactly how to fix them before they destroy user trust Continue reading on Medium »
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RAG Evaluation: The Part Nobody Talks About When Building RAG Systems
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
RAG Evaluation: The Part Nobody Talks About When Building RAG Systems
When I finished building my first RAG pipeline, I felt good about it. Continue reading on Medium »
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What Is RAG? The AI Technology That Makes ChatGPT Smarter Without Retraining
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
What Is RAG? The AI Technology That Makes ChatGPT Smarter Without Retraining
Large Language Models are incredibly powerful — but they have a major limitation. Retrieval-Augmented Generation (RAG) is changing that by… Continue reading on
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RAG Sistemlerini “Kara Kutu” Olmaktan Çıkarmak: Local-First Bir Gözlemlenebilirlik Aracı
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
RAG Sistemlerini “Kara Kutu” Olmaktan Çıkarmak: Local-First Bir Gözlemlenebilirlik Aracı
Bir RAG sistemi kurdunuz. Her şey harika çalışıyor, dokümanlar doğru geliyor, LLM güzel cevaplar veriyor… Ta ki ilk gerçek kullanıcılar… Continue reading on Med
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RAG Sistemlerini “Kara Kutu” Olmaktan Çıkarmak: Local-First Bir Gözlemlenebilirlik Aracı
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
RAG Sistemlerini “Kara Kutu” Olmaktan Çıkarmak: Local-First Bir Gözlemlenebilirlik Aracı
Bir RAG sistemi kurdunuz. Her şey harika çalışıyor, dokümanlar doğru geliyor, LLM güzel cevaplar veriyor… Ta ki ilk gerçek kullanıcılar… Continue reading on Med
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Understanding the Limits of Linear RAG — and Why Agentic Workflows Are Catching On
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Understanding the Limits of Linear RAG — and Why Agentic Workflows Are Catching On
Subtitle: Understanding the fatal flaws of linear Retrieve-and-Generate pipelines — and why the industry is moving to Agentic workflows. Continue reading on Med
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Understanding the Limits of Linear RAG — and Why Agentic Workflows Are Catching On
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
Understanding the Limits of Linear RAG — and Why Agentic Workflows Are Catching On
Subtitle: Understanding the fatal flaws of linear Retrieve-and-Generate pipelines — and why the industry is moving to Agentic workflows. Continue reading on Med
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From Traditional RAG to Agentic RAG
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago
From Traditional RAG to Agentic RAG
Traditional RAG systems typically rely on a predefined retrieval pipeline. Continue reading on Medium »
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Your AI Keeps Making Things Up. RAG Is How You Make It Use Real Facts Instead.
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
Your AI Keeps Making Things Up. RAG Is How You Make It Use Real Facts Instead.
You ask an AI a question about your own company’s policy, and it answers — confidently, fluently, and completely wrong. It invented a… Continue reading on Mediu
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Evaluation Metrics for RAG: Measure Retrieval, Generation, and End-to-End Quality With Numbers That…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
Evaluation Metrics for RAG: Measure Retrieval, Generation, and End-to-End Quality With Numbers That…
Last week we compressed retrieved chunks so the model receives only the sentences that matter. Continue reading on Operations Research Bit »
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I WAS TIRED OF FIVE TABS AT 2AM. SO I BUILT A RAG PIPELINE.
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
I WAS TIRED OF FIVE TABS AT 2AM. SO I BUILT A RAG PIPELINE.
It’s 2am. A crash spike just hit production. You’ve got Crashlytics open in one tab, GitHub Issues in another, the release notes doc in a… Continue reading on M
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When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two
I tested HyDE Retrieval vs Standard vector search on semantic, proprietary, and keyword queries. HyDE won one and quietly made 2 worse. Continue reading on Towa
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When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two
I tested HyDE Retrieval vs Standard vector search on semantic, proprietary, and keyword queries. HyDE won one and quietly made 2 worse. Continue reading on Towa
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3 non-obvious engineering challenges I learned while building my latest RAG application:
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
3 non-obvious engineering challenges I learned while building my latest RAG application:
Chunking isn’t “one size fits all.” Continue reading on Medium »
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Self-RAG (Self-Reflective RAG)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
Self-RAG (Self-Reflective RAG)
Problems with Traditional RAG Continue reading on Medium »
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“RAG Is Dead!”
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
“RAG Is Dead!”
If you’ve opened LinkedIn or YouTube recently, you’ve probably seen headlines like : Continue reading on Medium »
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“RAG Is Dead!”
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
“RAG Is Dead!”
If you’ve opened LinkedIn or YouTube recently, you’ve probably seen headlines like : Continue reading on Medium »
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Building an AI-Powered RAG Assistant for Monitoring Student Performance
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
Building an AI-Powered RAG Assistant for Monitoring Student Performance
Educational institutions are producing more digital learning material than ever before, yet many instructors still struggle to answer a… Continue reading on Med
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The Feedback We Collected and Never Read, and How RAG Changed That
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
The Feedback We Collected and Never Read, and How RAG Changed That
I used the idea behind RAG chatbots to make a pile of survey comments actually answer questions. Continue reading on Nothingaholic »
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RAG Architecture Deep Dive — The Full Pipeline Explained
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
RAG Architecture Deep Dive — The Full Pipeline Explained
Imagine you’re using an AI assistant at work and ask: Continue reading on Medium »
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The Citation Passed. The Evidence Failed.
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
The Citation Passed. The Evidence Failed.
Why grounded RAG answers still need evidence eligibility before they support production decisions Continue reading on Medium »
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Your RAG Pipeline Is Probably Useless. Here’s a Better Alternative
KDnuggets 🔍 RAG & Vector Search ⚡ AI Lesson 6d ago
Your RAG Pipeline Is Probably Useless. Here’s a Better Alternative
Learn what to reach for when retrieval-augmented generation fails in production.
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
The Difference Between RAG, Agents, and Tool Calling — Proven With One Order Cancellation
Let’s Skip the Flowchart Continue reading on Medium »
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Why learn RAG?
Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why learn RAG?
RAG Explained Simply: Embeddings, Vector Databases, Better Retrieval, Evaluation, and the Basic Components You Need to Know Continue reading on Medium »
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Why learn RAG?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why learn RAG?
RAG Explained Simply: Embeddings, Vector Databases, Better Retrieval, Evaluation, and the Basic Components You Need to Know Continue reading on Medium »
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DCD: The RAG Architecture That Finally Admits Your Knowledge Base Is a Mess
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
DCD: The RAG Architecture That Finally Admits Your Knowledge Base Is a Mess
A new RAG design paper argues that enterprise retrieval should stop searching the whole document swamp at once and start by asking a… Continue reading on Medium
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RAG Is not broken but your pipeline is
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Is not broken but your pipeline is
When the cost conversation hit our Java stack, we started questioning everything about how we were feeding context to our models — and… Continue reading on Arti
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Document Strategy in RAG Systems: Which Data, When, and How Should It Be Processed?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Document Strategy in RAG Systems: Which Data, When, and How Should It Be Processed?
No matter how advanced the AI, the rule stays the same: without data literacy there is no right context, and without right context there… Continue reading on Me
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Vector Store Operations: What Keeps RAG Retrieval Correct in Production
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Vector Store Operations: What Keeps RAG Retrieval Correct in Production
Index lifecycle management, embedding refresh, tenant isolation, hybrid retrieval, and metadata controls for production RAG systems. Continue reading on Medium
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The 10,000× Problem Hiding in Every Classical Search Engine
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
The 10,000× Problem Hiding in Every Classical Search Engine
Maximum likelihood ranking has a catastrophic failure mode. The fix is twenty-five years old and modern retrievers keep relearning what it… Continue reading on
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I tried to break the three most popular RAG frameworks. GPT-5.1 didn’t save them.
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I tried to break the three most popular RAG frameworks. GPT-5.1 didn’t save them.
I pointed a red-teaming tool at the default setup of LangChain, LlamaIndex, and Haystack, the three frameworks most teams reach for when… Continue reading on Me
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I tried to break the three most popular RAG frameworks. GPT-5.1 didn’t save them.
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I tried to break the three most popular RAG frameworks. GPT-5.1 didn’t save them.
I pointed a red-teaming tool at the default setup of LangChain, LlamaIndex, and Haystack, the three frameworks most teams reach for when… Continue reading on Me
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Build Your First RAG Pipeline in Python — The Simplest Way
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Build Your First RAG Pipeline in Python — The Simplest Way
Everyone talks about RAG like it needs a vector database cluster and a retrieval team. The core loop is four steps: embed your data, store… Continue reading on
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