Core AI

RAG & Vector Search

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

4,932
lessons
Skills in this topic
View full skill map →
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
Videos 3,465 Reads 1,467
All Reads (1,467) Articles (784)Blog Posts (531)Tutorials (101)Research Papers (49)News (2)
Level: All Beginner Intermediate Advanced
Newest Popular Oldest
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The Real Reason RAG Evaluation Is Broken — And It’s Not Your Retrieval Pipeline
A practitioner’s observation from building enterprise RAG for solution architects Continue reading on Medium »
View lesson → + Playlist
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The Real Reason RAG Evaluation Is Broken — And It’s Not Your Retrieval Pipeline
A practitioner’s observation from building enterprise RAG for solution architects Continue reading on Medium »
View lesson → + Playlist
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The Real Reason RAG Evaluation Is Broken — And It’s Not Your Retrieval Pipeline
A practitioner’s observation from building enterprise RAG for solution architects Continue reading on Medium »
View lesson → + Playlist
What Most RAG Tutorials Don't Teach You
Dev.to · LOI CHIANG HAO 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
What Most RAG Tutorials Don't Teach You
Most RAG tutorials stop at something like: Vector Search → LLM → Done And for learning the basics,...
View lesson → + Playlist
RAG Retrieval Quality: Are Large Models Really Necessary?
Dev.to · Mustafa ERBAY 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Retrieval Quality: Are Large Models Really Necessary?
Introduction: The Place of Large Models in RAG and Lingering Questions Retrieval-Augmented...
View lesson → + Playlist
Building a Production-Ready RAG Pipeline on AWS: Lessons Learned
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Building a Production-Ready RAG Pipeline on AWS: Lessons Learned
The demo worked perfectly. Continue reading on AWS in Plain English »
View lesson → + Playlist
Demystifying RAG Architectures: From Vector Space to Graph Topologies
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Demystifying RAG Architectures: From Vector Space to Graph Topologies
When building LLM-driven tools for production environments where mistakes cause immediate outages, standard prompting fails. If an AI… Continue reading on Mediu
View lesson → + Playlist
Building a RAG Document Q&A Assistant with IBM Granite in Google Colab
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Building a RAG Document Q&A Assistant with IBM Granite in Google Colab
Retrieval-Augmented Generation, usually shortened to RAG, is one of the most practical ways to make large language models useful on… Continue reading on Medium
View lesson → + Playlist
Stop Vibe-Checking Your RAG: Programmatic Evaluation with IR Metrics and LLM-as-a-Judge
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Stop Vibe-Checking Your RAG: Programmatic Evaluation with IR Metrics and LLM-as-a-Judge
A deep dive into quantifying retrieval and generation accuracy using MRR, nDCG, Recall, and automated LLM grading rubrics. Continue reading on Medium »
View lesson → + Playlist
Stop Vibe-Checking Your RAG: Programmatic Evaluation with IR Metrics and LLM-as-a-Judge
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Stop Vibe-Checking Your RAG: Programmatic Evaluation with IR Metrics and LLM-as-a-Judge
A deep dive into quantifying retrieval and generation accuracy using MRR, nDCG, Recall, and automated LLM grading rubrics. Continue reading on Medium »
View lesson → + Playlist
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Rationale-Guided Reranking in Medical Retrieval Augmented Generation: Advances and System…
Abstract. Retrieval-augmented generation (RAG) systems combine a retriever over external corpora with a large language model (LLM) to… Continue reading on Mediu
View lesson → + Playlist
A Practical Security Architecture for Retrieval-Augmented Generation
Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
A Practical Security Architecture for Retrieval-Augmented Generation
This article argues that the primary security risks in Retrieval-Augmented Generation (RAG) systems often originate in the retrieval layer rather than the langu
View lesson → + Playlist
Graph RAG: When Vector Search Hits Its Blind Spot
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Graph RAG: When Vector Search Hits Its Blind Spot
Vector search finds similarity. It can’t follow relationships. Here’s what Graph RAG fixes — and the exact Python code to build it. Continue reading on Medium »
View lesson → + Playlist
How does the ANN (Approximate Nearest Neighbor) works?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
How does the ANN (Approximate Nearest Neighbor) works?
If you are working with the RAG applications then you would have heard this terminology a lot, but what exactly is ANN. Continue reading on Medium »
View lesson → + Playlist
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
I Pasted an 80-Page PDF Into ChatGPT. There’s a Much Better Way.
Part 2 of 10, Becoming an AI Engineer Continue reading on Medium »
View lesson → + Playlist
How We Improved RAG Prompt Cache Hit Rates by 2.6× and Cut Costs by 8.1%
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
How We Improved RAG Prompt Cache Hit Rates by 2.6× and Cut Costs by 8.1%
Every time a user asks your RAG chatbot a question, your pipeline does something like this: Continue reading on Medium »
View lesson → + Playlist
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago
RAG Security and Privacy: Formalizing the Threat Model and Attack Surface
arXiv:2509.20324v2 Announce Type: replace-cross Abstract: Retrieval-Augmented Generation (RAG) is an emerging approach in natural language processing that combi
View lesson → + Playlist
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago
A2RAG: Adaptive Agentic Graph Retrieval for Cost-Aware and Reliable Reasoning
arXiv:2601.21162v2 Announce Type: replace-cross Abstract: Graph Retrieval-Augmented Generation (Graph-RAG) enhances multihop question answering by organizing co
View lesson → + Playlist
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The Retrieval Audit: Why Your RAG Gives Confident Wrong Answers
Hybrid search alone recovers 10–20 points of recall your pure-vector RAG drops. Five checks turn demo retrieval into production. Continue reading on Medium »
View lesson → + Playlist
Retrieval-Augmented Generation: From First Principles to Production Architecture
Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Retrieval-Augmented Generation: From First Principles to Production Architecture
A comprehensive breakdown of RAG: how it works, why it matters, and the seven architectural patterns reshaping how enterprises deploy AI… Continue reading on Me
View lesson → + Playlist
Retrieval-Augmented Generation: From First Principles to Production Architecture
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Retrieval-Augmented Generation: From First Principles to Production Architecture
A comprehensive breakdown of RAG: how it works, why it matters, and the seven architectural patterns reshaping how enterprises deploy AI… Continue reading on Me
View lesson → + Playlist
From Raw PDF to Qdrant Search Engine: Choosing the Right Document Parser for Your RAG Pipeline
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
From Raw PDF to Qdrant Search Engine: Choosing the Right Document Parser for Your RAG Pipeline
Today in this article, we are going to settle a question that most RAG tutorials quietly skip over — what actually happens to your… Continue reading on Towards
View lesson → + Playlist
RAG, Knowledge Graphs, or Both? A Practical Guide to Giving Your AI Your Company’s Knowledge
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG, Knowledge Graphs, or Both? A Practical Guide to Giving Your AI Your Company’s Knowledge
If you want an AI to answer questions about your business, you have two main ways to feed it your knowledge — and most teams pick one out… Continue reading on M
View lesson → + Playlist
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago
Revisiting Vul-RAG: Reproducibility and Replicability of RAG-based Vulnerability Detection with Open-Weight Models
arXiv:2606.04739v1 Announce Type: cross Abstract: Large language models (LLMs) have shown strong potential for automated software vulnerability detection, parti
View lesson → + Playlist
What I Learned Building Source-Grounded Legal RAG Tools for New Zealand
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
What I Learned Building Source-Grounded Legal RAG Tools for New Zealand
What works, what backfired, and what I still cannot solve Continue reading on Medium »
View lesson → + Playlist
What I Learned Building Source-Grounded Legal RAG Tools for New Zealand
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
What I Learned Building Source-Grounded Legal RAG Tools for New Zealand
What works, what backfired, and what I still cannot solve Continue reading on Medium »
View lesson → + Playlist
Reddit r/deeplearning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG hallucinations in 2026 — what I learned building a real-time research agent
I've been building an autonomous research agent (LangGraph + Groq/Llama 3.3 + Tavily) and after weeks of LangSmith traces, here are the 3 hallucination patterns
View lesson → + Playlist
Your RAG App Has Citations. Are They Actually Supporting the Answer?
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Your RAG App Has Citations. Are They Actually Supporting the Answer?
RAG systems often fail in a subtle way: the answer looks cited, but the cited source does not actually support the claim. Continue reading on AI Advances »
View lesson → + Playlist
Your RAG App Has Citations. Are They Actually Supporting the Answer?
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Your RAG App Has Citations. Are They Actually Supporting the Answer?
RAG systems often fail in a subtle way: the answer looks cited, but the cited source does not actually support the claim. Continue reading on AI Advances »
View lesson → + Playlist
Retrieval — Dense, Sparse, and Hybrid: The Secret Sauce Behind Finding the Right Answer
Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Retrieval — Dense, Sparse, and Hybrid: The Secret Sauce Behind Finding the Right Answer
Advanced RAG Series — Part 4 Continue reading on Medium »
View lesson → + Playlist
Sovereign RAG: Surviving the 6k Token Limit and DPDP Compliance
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Sovereign RAG: Surviving the 6k Token Limit and DPDP Compliance
By: Abhishek K., Principal Sovereign Systems Architect Continue reading on Medium »
View lesson → + Playlist
RAG Demos Are Easy. Production RAG Is Hard.
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Demos Are Easy. Production RAG Is Hard.
Most RAG apps don’t fail because the LLM is weak. They fail because the data, chunking, metadata, retrieval, evaluation, monitoring, and… Continue reading on Me
View lesson → + Playlist
RAG Is More Than Vector Search: 5 Must-Know Real-World RAG Architectures
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Is More Than Vector Search: 5 Must-Know Real-World RAG Architectures
Understand how Naive, Advanced, Agentic, Self-RAG, and Graph RAG actually work with practical code examples. Continue reading on Medium »
View lesson → + Playlist
RAG Is Not Dead. Boring RAG Is.
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Is Not Dead. Boring RAG Is.
Why the next serious AI systems will retrieve, reason, verify, and only then answer. Continue reading on Medium »
View lesson → + Playlist
Exploring RAG Techniques (From Basics to Deeper Insights)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Exploring RAG Techniques (From Basics to Deeper Insights)
In my previous article, I walked through building a Local RAG (Retrieval-Augmented Generation) system using Ollama with the TinyLlama… Continue reading on Mediu
View lesson → + Playlist
Scalable AI RAG components
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Scalable AI RAG components
Here’s how you could breakdown your RAG pipeline and build a solid implementation while making sure, it can handle large amount of… Continue reading on Medium »
View lesson → + Playlist
What Is Your Dog Trying to Say?
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
What Is Your Dog Trying to Say?
(The Hidden Risk of Embedding Inconsistency Between Index and Query) Continue reading on Medium »
View lesson → + Playlist
The RAG Data-Flow Audit: A Practical Framework for Enterprise AI Teams
Hackernoon 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
The RAG Data-Flow Audit: A Practical Framework for Enterprise AI Teams
A practical framework for auditing enterprise RAG pipelines before legal, security, or compliance teams approve AI agents.
View lesson → + Playlist
ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 1mo ago
Cost-Aware Query Routing in RAG: Empirical Analysis of Retrieval Depth Tradeoffs
arXiv:2606.02581v1 Announce Type: cross Abstract: Retrieval-augmented generation (RAG) faces a fundamental three-way tension: deeper retrieval improves factual
View lesson → + Playlist
Beyond Text: Why Multimodal RAG Needs Its Own Evaluation Benchmark
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Beyond Text: Why Multimodal RAG Needs Its Own Evaluation Benchmark
BEIR changed how we think about retrieval evaluation. Image-grounded RAG needs the same moment — and the gap is more embarrassing than you… Continue reading on
View lesson → + Playlist
Retrieval in RAG — A Practical Single Page Cheat Sheet for Search Techniques
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Retrieval in RAG — A Practical Single Page Cheat Sheet for Search Techniques
Most people think Retrieval-Augmented Generation (RAG) is just “vector search.” In reality, modern retrieval systems combine multiple… Continue reading on Mediu
View lesson → + Playlist
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 »
View lesson → + Playlist
RAG Explained From Scratch (Part 1): How PDFs Become Searchable Knowledge for AI | M010 | Mehul…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Explained From Scratch (Part 1): How PDFs Become Searchable Knowledge for AI | M010 | Mehul…
 Part 1 of a 3-Part RAG Series Continue reading on Medium »
View lesson → + Playlist
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Our RAG system wasn’t broken. Our documentation was.
Everyone obsesses over retrieval. The thing that nearly sank us was the stuff we were retrieving. Continue reading on Medium »
View lesson → + Playlist
Optimizing Chunking Strategies For RAPTOR Tree Construction
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Optimizing Chunking Strategies For RAPTOR Tree Construction
Why Standard Chunking Destroys Your RAG Performance, and How to Fix It with Adversarial, Hierarchical, and Transactional Pipelines Continue reading on Medium »
View lesson → + Playlist
Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
From Regex to Vision Models: Which RAG Technique Fits Which Problem
Enterprise Document Intelligence [Vol.1 #4] - A diagnostic across PDFs and questions, and a map of the techniques the rest of the series will cover The post Fro
View lesson → + Playlist
Production RAG: 10 Retrieval Failure Modes and How to Fix Them
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Production RAG: 10 Retrieval Failure Modes and How to Fix Them
A field guide to production retrieval failures, chunking strategies, and indexing patterns that determine whether the right answer is… Continue reading on Mediu
View lesson → + Playlist
Production RAG: 10 Retrieval Failure Modes and How to Fix Them
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Production RAG: 10 Retrieval Failure Modes and How to Fix Them
A field guide to production retrieval failures, chunking strategies, and indexing patterns that determine whether the right answer is… Continue reading on Mediu
View lesson → + Playlist