Core AI

RAG & Vector Search

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

4,925
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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All Reads (1,460) Articles (781)Blog Posts (531)Tutorials (97)Research Papers (49)News (2)
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Build a Simple RAG App with Telnyx AI Inference
Dev.to · Sonam 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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,...
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Production RAG Systems — 7 Lessons We Learned the Hard Way
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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Production RAG Systems — 7 Lessons We Learned the Hard Way
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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RAG Is Not a Chatbot Feature. It Is Production AI Infrastructure.
Dev.to · Rajiv Gupta 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Is Not a Chatbot Feature. It Is Production AI Infrastructure.
Most enterprise RAG failures are not model failures. They are infrastructure failures. The demo...
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Does 90% of a RAG Project Have Nothing to Do With the Model?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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Building UniQuery: Designing an AI-Powered University Query Management System Using RAG, Machine…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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 »
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We deleted fifty years of information retrieval and called it RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
We deleted fifty years of information retrieval and called it RAG
Chunking, embeddings, hybrid search, reranking, eval. Every one already had a name in information retrieval. We didn’t lose it, we just… Continue reading on Gen
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How to Build a Production RAG System on AWS From Scratch (Complete Beginner's Guide)
Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How to Build a Production RAG System on AWS From Scratch (Complete Beginner's Guide)
RAG is the most important AI pattern in enterprise right now. This complete beginner's guide walks you through building a production-ready RAG.
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10 GenAI Techniques for Integrating a RAG Pipeline with Enterprise Data Warehouses
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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 »
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ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1w ago
Reducing Redundancy in Whole-Slide Image Patching for Scalable Indexing and Retrieval
arXiv:2606.26157v1 Announce Type: cross Abstract: The rapid growth of digital pathology has created an urgent need for efficient indexing and retrieval of whole
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I Built a RAG System That Detects Its Own Hallucinations
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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Build a Simple RAG App on Telnyx AI Inference
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Build a Simple RAG App on Telnyx AI Inference
A minimal Flask example that shows the full retrieval loop: embeddings, source ranking, and grounded answers with Telnyx AI Inference. Continue reading on Mediu
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How I Realized My RAG Chatbot Didn’t Actually Understand Code
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How I Realized My RAG Chatbot Didn’t Actually Understand Code
A few weeks ago, I was feeling pretty good about my RAG system. Continue reading on Medium »
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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 1w 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...
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Building Production-Grade RAG Systems: From Prototype to Bank-Scale Reliability
Medium · ChatGPT 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Building Production-Grade RAG Systems: From Prototype to Bank-Scale Reliability
How we scaled a RAG chatbot from 70% to 94% reliability handling millions of customer interactions Continue reading on The Better Life »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Systems Explained in 2026: Why Businesses Are Adopting Grounded AI
Businesses are moving quickly from basic AI experiments to practical AI systems. Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
CRAG vs RAG: The Evolution of Retrieval-Augmented Generation
Retrieval-Augmented Generation, or RAG, has become one of the most important architectures in enterprise AI. Continue reading on Medium »
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Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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
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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 1w 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 »
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RAG Finally Clicked for Me
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Finally Clicked for Me
Understanding Tokens, Embeddings, and Vector Databases Continue reading on Medium »
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Building a Local Text-to-SQL RAG Pipeline: Architecture, Code, and Honest Trade-offs
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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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Building a Local Text-to-SQL RAG Pipeline: Architecture, Code, and Honest Trade-offs
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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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Building a Local Text-to-SQL RAG Pipeline: Architecture, Code, and Honest Trade-offs
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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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ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1w 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
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The 5 RAG Architectures and Exactly When to Use Each One in Production
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1w 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 »
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DSPy Reliability, RAG/Agentic AI Patterns, & Parallel Agent Orchestration
Dev.to · soy 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
DSPy Reliability, RAG/Agentic AI Patterns, & Parallel Agent Orchestration
DSPy Reliability, RAG/Agentic AI Patterns, & Parallel Agent Orchestration ...
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Choosing a Vector Database in 2026: pgvector vs. Pinecone vs. Qdrant vs. Weaviate vs. Milvus
Dev.to · Arya Koste 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Choosing a Vector Database in 2026: pgvector vs. Pinecone vs. Qdrant vs. Weaviate vs. Milvus
Every RAG tutorial pulls the same move. It walks you through embeddings, chunking, retrieval, and...
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Creating RAG Application
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Creating RAG Application
Let us create a RAG Application that reads CSV file and give us the best results for out Application. Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How to Build a RAG Chatbot for Website Lead Generation (Step-by-Step 2026 Guide)
Turn your website into a 24/7 lead-generating machine using RAG — no complex coding required. Continue reading on Medium »
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RAG Evaluation 101: What to Measure (and What Not to)
Medium · Deep Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Evaluation 101: What to Measure (and What Not to)
Five questions, five papers, five things your RAG eval is probably getting wrong. Continue reading on Towards AI »
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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 »
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My eval harness paid for itself on the first run: 0.57 0.96, two bugs no unit test could catch
Dev.to · David El Malih 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
My eval harness paid for itself on the first run: 0.57 0.96, two bugs no unit test could catch
I almost shipped a RAG pipeline that, on certain questions, cited exactly the right document — and...
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Retrieval-Augmented Generation (RAG): The Complete Guide from Beginner to Advance Architect
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Retrieval-Augmented Generation (RAG): The Complete Guide from Beginner to Advance Architect
A Comprehensive Reference for Building Production-Ready RAG Systems Continue reading on Medium »
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The 3 Caching Layers Every Production RAG Pipeline Needs
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
The 3 Caching Layers Every Production RAG Pipeline Needs
A practical blueprint for reducing LLM latency to milliseconds and slashing token costs by up to 70%. Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
What Actually Makes a RAG System Work in Production?
Building a Production-Ready RAG Pipeline: Lessons from Document Ingestion to Evaluation Continue reading on Medium »
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Never Lose the Right Chunk: How Hybrid Search Improves Recall in RAG Systems
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Never Lose the Right Chunk: How Hybrid Search Improves Recall in RAG Systems
Retrieval quality often determines whether a RAG system succeeds or fails — and hybrid search is one of the most effective ways to improve… Continue reading on
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Never Lose the Right Chunk: How Hybrid Search Improves Recall in RAG Systems
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Never Lose the Right Chunk: How Hybrid Search Improves Recall in RAG Systems
Retrieval quality often determines whether a RAG system succeeds or fails — and hybrid search is one of the most effective ways to improve… Continue reading on
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Your RAG Pipeline Is Broken — And It Is The Chunking, Not The Model
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Your RAG Pipeline Is Broken — And It Is The Chunking, Not The Model
Three weeks ago I watched a senior engineer stare at his OpenAI bill for a full minute before asking me why his support bot still could… Continue reading on Med
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Del PDF al Conocimiento: Cómo Construir un Pipeline Moderno de RAG con Databricks, AI Parsing y…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Del PDF al Conocimiento: Cómo Construir un Pipeline Moderno de RAG con Databricks, AI Parsing y…
De documentos caóticos a respuestas inteligentes con IA Generativa Continue reading on Medium »
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Why your RAG system gives incomplete answers — and it’s not the LLM’s fault
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why your RAG system gives incomplete answers — and it’s not the LLM’s fault
A question I worked through today: Continue reading on Medium »
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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
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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...
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Stop Sending the Raw User Prompt Straight to Your Retriever
Dev.to · mofuteq 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Stop Sending the Raw User Prompt Straight to Your Retriever
A user types a question into your RAG system. Before anything is retrieved, something decides what...
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The RAG Pre-Processing Step Everyone Skips And Why It Costs You
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
The RAG Pre-Processing Step Everyone Skips And Why It Costs You
Most RAG pipelines jump straight to chunking. Here’s what happens to your retrieval quality when you skip document cleaning and how to fix… Continue reading on
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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
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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
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