Core AI

RAG & Vector Search

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

5,307
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 5,121 Reads 186

Showing 186 reads from curated sources

Level: All Beginner Intermediate Advanced
Newest Popular Oldest
Building a Production RAG Backend for Enterprise Knowledge Bases: Architecture, Decisions, and…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Building a Production RAG Backend for Enterprise Knowledge Bases: Architecture, Decisions, and…
How I designed and built a retrieval-augmented generation system that ingests from Document360 and SharePoint, stores embeddings in Aurora… Continue reading on
View lesson → + Playlist
Chunking Strategy: The Most Underrated Part of RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Chunking Strategy: The Most Underrated Part of RAG
If embeddings are the brain of a retrieval system, chunking is the spine. Continue reading on Medium »
View lesson → + Playlist
Beyond Keywords: Mastering HyDE for Smarter Retrieval 🧠
Dev.to · Rushank Savant 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Beyond Keywords: Mastering HyDE for Smarter Retrieval 🧠
If you’ve ever built a RAG system, you’ve likely felt the frustration of the "Mismatch Problem". You...
View lesson → + Playlist
Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
# I asked ten RAG pipelines the same 54 finance questions. Here’s where each one broke. Continue reading on Medium »
View lesson → + Playlist
Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
# I asked ten RAG pipelines the same 54 finance questions. Here’s where each one broke. Continue reading on Medium »
View lesson → + Playlist
When Your AI Has Photographic Memory But No Understanding: Designing Curiosity-Driven Knowledge…
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
When Your AI Has Photographic Memory But No Understanding: Designing Curiosity-Driven Knowledge…
How I designed a system that transforms a passive RAG store into a self-aware, autonomously learning knowledge engine, without fine-tuning… Continue reading on
View lesson → + Playlist
Chunking Explained: The Tiny Detail That Makes or Breaks RAG
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Chunking Explained: The Tiny Detail That Makes or Breaks RAG
A beginner-friendly guide to how chunking impacts retrieval quality, context accuracy, and overall RAG performance. Continue reading on Medium »
View lesson → + Playlist
RAG Evaluation with a Local LLM: Comparing Vector Index and Knowledge Graph
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG Evaluation with a Local LLM: Comparing Vector Index and Knowledge Graph
A demo to understand RAG evaluation metrics and see Vector Index vs Knowledge Graph retrieval in practice Continue reading on Medium »
View lesson → + Playlist
RAG_First AI Engine: Why RAG Alone Is Not Enough (And How to Build AI That Never Hallucinates)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
RAG_First AI Engine: Why RAG Alone Is Not Enough (And How to Build AI That Never Hallucinates)
The Promise and the Problem Continue reading on Medium »
View lesson → + Playlist
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Your RAG can't answer 'why' -- GraphRAG finds what vector search misses
The question that broke my RAG pipeline I had a solid RAG setup. Embeddings, vector store, top-k retrieval, the whole thing. It handled factual lookups just fin
View lesson → + Playlist
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Hybrid RAG Isn’t What You Think
Why most teams misunderstand hybrid retrieval, and why “keyword + vector” is only the beginning. Continue reading on Medium »
View lesson → + Playlist
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Minimal RAG’ı Production’a Taşımak — Proje 2: PostgreSQL, Redis Semantic Cache ve Yapılandırılmış…
Bir sistem çalışıyor olması, güvenilir olduğu anlamına gelmiyor. Continue reading on Medium »
View lesson → + Playlist
Most RAG Systems Don’t Fail Because Retrieval Is Bad — They Fail Because We Destroyed the Context…
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Most RAG Systems Don’t Fail Because Retrieval Is Bad — They Fail Because We Destroyed the Context…
Why chunking strategy matters more than most teams realize. Continue reading on Medium »
View lesson → + Playlist
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Building a RAG Agent for Pharmacy Stock Optimization with Gemini, ChromaDB and LangGraph
Introduction FarmaStock AI is an academic Generative AI project focused on a real-world problem: how to make pharmacy stock analysis easier to understand and ex
View lesson → + Playlist
Generative AI: Why the Next Revolution Will Not Be Only About LLMs, but About Agentic RAG Systems
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Generative AI: Why the Next Revolution Will Not Be Only About LLMs, but About Agentic RAG Systems
Since the rise of large language models, generative AI has deeply changed the way we search, summarize, analyze, and produce information… Continue reading on Me
View lesson → + Playlist
10 RAG Architecture Mistakes Fintechs Make in Production
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
10 RAG Architecture Mistakes Fintechs Make in Production
This article was originally published on JustSoftLab Insights. Continue reading on Medium »
View lesson → + Playlist
10 RAG Architecture Mistakes Fintechs Make in Production
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
10 RAG Architecture Mistakes Fintechs Make in Production
This article was originally published on JustSoftLab Insights. Continue reading on Medium »
View lesson → + Playlist
Vector Index Cold Start: Why Your First Query Takes 8 Seconds
Dev.to · Gabriel Anhaia 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Vector Index Cold Start: Why Your First Query Takes 8 Seconds
First-query latency on vector DBs. Why HNSW loads lazy + four warm-up patterns that stop the 8-second cold-start tax.
View lesson → + Playlist
How I solved the riddles of RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
How I solved the riddles of RAG
These past months I have been exploring the domain of RAG and agentic AI. There are a lot of topics being discussed right now and a lot of… Continue reading on
View lesson → + Playlist
I Increased Retrieval From Top-5 to Top-20. My Answers Got Worse
Dev.to · Md Ayan Arshad 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
I Increased Retrieval From Top-5 to Top-20. My Answers Got Worse
The standard advice for improving RAG retrieval quality is: retrieve more candidates, then filter...
View lesson → + Playlist
Graph RAG Isn't a One-Shot Anymore — The Case for Agentic Graph RAG MCPs
Dev.to · Ryosuke Tsuji 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Graph RAG Isn't a One-Shot Anymore — The Case for Agentic Graph RAG MCPs
Hi, I'm Ryan, CTO at airCloset. Over my last few posts, I've introduced internal MCP servers we've...
View lesson → + Playlist
Why I Chose Markdown as the Foundation of my RAG Pipeline
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago
Why I Chose Markdown as the Foundation of my RAG Pipeline
Markdown is the missing layer in most RAG Pipelines. Continue reading on Artificial Intelligence in Plain English »
View lesson → + Playlist
Built a RAG System From Scratch and Finally Understood Why Everyone Is Talking About It
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Built a RAG System From Scratch and Finally Understood Why Everyone Is Talking About It
A beginner-friendly walkthrough of Retrieval-Augmented Generation, with real code you can run. Continue reading on Medium »
View lesson → + Playlist
What is RAG and How Does It Work with Modern AI Systems?
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
What is RAG and How Does It Work with Modern AI Systems?
A practical guide to Retrieval-Augmented Generation — the architecture pattern powering enterprise AI, coding agents, and the next… Continue reading on Jonathan
View lesson → + Playlist
Limits of RAG and implications for self-hosted AI
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Limits of RAG and implications for self-hosted AI
Why scalability isn’t infinite, and Retrieval-Augmented Generation not a panacea Continue reading on Medium »
View lesson → + Playlist
Best Vector Databases for RAG (Free & Paid)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Best Vector Databases for RAG (Free & Paid)
Let your large language models interact with private, up-to-date, and domain-specific information without expensive model retraining. Continue reading on Medium
View lesson → + Playlist
Retrieval-Augmented Generation: The Architecture That Made AI Actually Useful in Production
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Retrieval-Augmented Generation: The Architecture That Made AI Actually Useful in Production
Every serious AI application I’ve seen ship in the last two years has RAG at its core. Here’s the complete blueprint. Continue reading on Medium »
View lesson → + Playlist
Most RAG Systems Waste 60% of Their Retrieval Calls. Skill-RAG Fixes That.
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Most RAG Systems Waste 60% of Their Retrieval Calls. Skill-RAG Fixes That.
I audited a RAG pipeline at work last month. 43% of the retrieval calls were for questions the model already knew the answer to. Another… Continue reading on Ar
View lesson → + Playlist
Stop Trusting Your RAG Retriever Blindly — Here’s How to Actually Make It Smart
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Stop Trusting Your RAG Retriever Blindly — Here’s How to Actually Make It Smart
The quiet failure mode nobody talks about Continue reading on Medium »
View lesson → + Playlist
Preparing RAG pipeline for production
Dev.to · Dmytro Levchenko 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
Preparing RAG pipeline for production
Intro Having a working RAG that provides correct semantic answers is a great start, yet,...
View lesson → + Playlist
My RAG System Seemed to Work. That Was the Problem.
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2w ago
My RAG System Seemed to Work. That Was the Problem.
Building evals for bspQA taught me that “looks right” is not a methodology. Continue reading on Data Science Collective »
View lesson → + Playlist
Document-to-Markdown for RAG: Preparing Documents for Your AI Knowledge Base
Dev.to · Iteration Layer 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Document-to-Markdown for RAG: Preparing Documents for Your AI Knowledge Base
Your RAG Pipeline Is Only as Good as Its Ingestion Every team building retrieval-augmented...
View lesson → + Playlist
RAG from Public Documentation Websites: Robots.txt, Terms, Retention, and Attribution
Dev.to · Iteration Layer 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG from Public Documentation Websites: Robots.txt, Terms, Retention, and Attribution
Public Docs Are the Easiest RAG Source to Get Wrong Every AI support project eventually...
View lesson → + Playlist
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
pdfmux vs LlamaParse vs Docling vs Unstructured: Which PDF extractor for RAG in 2026?
TL;DR : For RAG pipelines in 2026, pick pdfmux if you need free, local, benchmark-proven extraction with per-page confidence scoring (0.905 on opendataloader-be
View lesson → + Playlist
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Artificial Intelligence has evolved rapidly, but one major limitation still exists: models don’t always know everything and sometimes they… Continue reading on
View lesson → + Playlist
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Artificial Intelligence has evolved rapidly, but one major limitation still exists: models don’t always know everything and sometimes they… Continue reading on
View lesson → + Playlist
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Understanding Retrieval-Augmented Generation (RAG): The Future of Smarter AI
Artificial Intelligence has evolved rapidly, but one major limitation still exists: models don’t always know everything and sometimes they… Continue reading on
View lesson → + Playlist
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Beyond Basic RAG: Architecting a Fault-Tolerant, Agentic AI Platform
<img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2F
View lesson → + Playlist
I built a GraphRAG demo with FalkorDB’s new SDK, then benchmarked it against Neo4j
Dev.to · Dan Shalev 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
I built a GraphRAG demo with FalkorDB’s new SDK, then benchmarked it against Neo4j
FalkorDB shipped graphrag-sdk v1.0.0rc1 and I wanted to see how it feels on real content, not a toy...
View lesson → + Playlist
How I used Gemini CLI to orchestrate a complex RAG migration
Dev.to · Remigiusz Samborski 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
How I used Gemini CLI to orchestrate a complex RAG migration
Building a complex, multi-phase cloud project like a RAG migration is as much about orchestration as...
View lesson → + Playlist
I’m an Angular Developer, Not an AI Engineer — A Step-by-Step Guide to Building My First RAG App
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
I’m an Angular Developer, Not an AI Engineer — A Step-by-Step Guide to Building My First RAG App
When I first heard about terms like embeddings, vector databases, and retrieval pipelines, I assumed this was not for me. Continue reading on Medium »
View lesson → + Playlist
RAG Made Simple: How AI Finds the Right Answers
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG Made Simple: How AI Finds the Right Answers
As AI becomes common in enterprises, responses need to be accurate and grounded in business data. Traditional LLMs can be generic or… Continue reading on GoPenA
View lesson → + Playlist
GraphRAG beyond the demo: Lessons from the trenches
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
GraphRAG beyond the demo: Lessons from the trenches
When to use it, why it’s hard to ship, and how to make it reliable Continue reading on Data Science + AI at Microsoft »
View lesson → + Playlist
RAG in Practice — Part 8: RAG in Production — What Breaks After Launch
Dev.to · Gursharan Singh 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG in Practice — Part 8: RAG in Production — What Breaks After Launch
Why production RAG drifts, degrades, and quietly fails — and the patterns and discipline that prevent it.
View lesson → + Playlist
Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
I benchmarked RAG vs GraphRAG vs pre-structured knowledge graphs across 45 domains — here's what happened
Three retrieval architectures. Same LLM. Same 7,928 queries across 45 domains. Different structure going in. Here are the results: System F1 Score Tokens/query
View lesson → + Playlist
DOM Parsing Was Wasting over 40% of My RAG Ingestion Budget.
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
DOM Parsing Was Wasting over 40% of My RAG Ingestion Budget.
When the first wave of LLM wrappers hit the market, developers quickly realized they had a massive problem: AI models confidently lied. To… Continue reading on
View lesson → + Playlist
From 0% to 91% Review Coverage: Building and Measuring an AI-Powered Code Review Pipeline with RAG
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
From 0% to 91% Review Coverage: Building and Measuring an AI-Powered Code Review Pipeline with RAG
Why this problem, why now Continue reading on Medium »
View lesson → + Playlist
From 0% to 91% Review Coverage: Building and Measuring an AI-Powered Code Review Pipeline with RAG
Medium · DevOps 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
From 0% to 91% Review Coverage: Building and Measuring an AI-Powered Code Review Pipeline with RAG
Why this problem, why now Continue reading on Medium »
View lesson → + Playlist