Core AI

RAG & Vector Search

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

5,267
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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Why Your RAG Pipeline Lies to You
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Why Your RAG Pipeline Lies to You
There is a particular kind of confidence that comes from watching your RAG system answer a question correctly during a demo. It retrieves… Continue reading on M
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Beyond the Hype: Architecting Production-Grade Retrieval-Augmented Generation (RAG)
Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Beyond the Hype: Architecting Production-Grade Retrieval-Augmented Generation (RAG)
To provide a truly “long-form” article for Medium (aiming for a 7–10 minute read), we need to expand into technical strategy… Continue reading on Medium »
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Retrieval-Augmented Generation (RAG): The Key to Reliable and Accurate AI Systems
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Retrieval-Augmented Generation (RAG): The Key to Reliable and Accurate AI Systems
Imagine uploading a PDF and asking ChatGPT to summarize it. The response appears confident and structured, but when you actually check the… Continue reading on
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Should your RAG use code or documentation? What benchmarks changed my mind about
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Should your RAG use code or documentation? What benchmarks changed my mind about
A personal look at why benchmark design matters when you build RAG over a codebase. Continue reading on Medium »
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RAG Pipeline with LangChain and Pinecone for Production
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG Pipeline with LangChain and Pinecone for Production
Build a RAG pipeline with LangChain and Pinecone that survives real traffic with reliable retrieval, versioned indexing, and measurable… Continue reading on Med
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Smarter Search Starts with Smarter Chunks
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Smarter Search Starts with Smarter Chunks
A practical guide to document chunking, embeddings, tokenization, and retrieval design for production RAG systems. Continue reading on Medium »
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RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
The unspoken secret? The way you think is not how RAG scales. We discovered the hidden flaws that transform retrieval-augmented generation… Continue reading on
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RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
The unspoken secret? The way you think is not how RAG scales. We discovered the hidden flaws that transform retrieval-augmented generation… Continue reading on
View lesson → + Playlist
RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG systems were pushed to their limits; this is the startling breakdown that no one warned you…
The unspoken secret? The way you think is not how RAG scales. We discovered the hidden flaws that transform retrieval-augmented generation… Continue reading on
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Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Flat vector search was a great start, but anyone who has tried to answer multi-hop questions or track entity relationships across a large… Continue reading on M
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Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Flat vector search was a great start, but anyone who has tried to answer multi-hop questions or track entity relationships across a large… Continue reading on M
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Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Graph RAG and Agentic RAG (Part 2): Where Retrieval Finally Gets Smart
Flat vector search was a great start, but anyone who has tried to answer multi-hop questions or track entity relationships across a large… Continue reading on M
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From PDFs to Answers: Understanding RAG (Retrieval-Augmented Generation) Systems
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
From PDFs to Answers: Understanding RAG (Retrieval-Augmented Generation) Systems
Introduction Continue reading on Medium »
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Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Your RAG System Retrieves the Right Data — But Still Produces Wrong Answers. Here’s Why (and How to Fix It).
Your RAG system is retrieving the right documents with perfect scores — yet it still confidently returns the wrong answer. I built a 220 MB local experiment tha
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Membangun Hybrid RAG + SQL Agent dari Nol: Panduan Teknik Lengkap
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Membangun Hybrid RAG + SQL Agent dari Nol: Panduan Teknik Lengkap
Cara membangun sistem AI yang bisa menjawab pertanyaan konseptual dan kueri data real-time dalam satu pipeline yang efisien menggunakan… Continue reading on Med
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pgvector vs Qdrant: Why “Selectivity” is the True Decider in Hybrid Vector Search
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
pgvector vs Qdrant: Why “Selectivity” is the True Decider in Hybrid Vector Search
Introduction: The Reality of RAG and Hybrid Search Continue reading on Medium »
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I Learned RAG by Building a Q&A System
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
I Learned RAG by Building a Q&A System
Most RAG tutorials use manufactured data. I wanted to see what happens when I actually use real documents. Continue reading on Data Science Collective »
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All About RAG
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
All About RAG
AI models know a lot, but they don’t know your stuff. RAG fixes that here’s everything you need to know. Continue reading on Medium »
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All About RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
All About RAG
AI models know a lot, but they don’t know your stuff. RAG fixes that here’s everything you need to know. Continue reading on Medium »
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Why RAG Systems Fail in Production: The Retrieval Architecture Problem Enterprises Miss
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Why RAG Systems Fail in Production: The Retrieval Architecture Problem Enterprises Miss
Retrieval-augmented generation, or RAG, is one of the most practical ways to make AI useful inside a business. It promises something… Continue reading on Medium
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RAG Architectures Compared (Part 1): Naive, Advanced, and Modular RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG Architectures Compared (Part 1): Naive, Advanced, and Modular RAG
Part 1 of a 2-part series. Part 2 covers Graph RAG and Agentic RAG. Continue reading on Medium »
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Why Your RAG System Costs 10x More Than You Think
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Why Your RAG System Costs 10x More Than You Think
The hidden infrastructure tax of Retrieval-Augmented Generation Continue reading on Medium »
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Beyond Vector Search: Improving RAG with Hierarchical Document Navigation
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Beyond Vector Search: Improving RAG with Hierarchical Document Navigation
Many RAG systems rely on chunk-based retrieval, which can overlook document structure. This raises an important question: can we improve… Continue reading on Me
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I Stopped Using Embeddings for RAG — And My System Got More Accurate
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
I Stopped Using Embeddings for RAG — And My System Got More Accurate
How a vectorless, structure-aware RAG pipeline outperformed traditional embedding-based retrieval in real-world documents Continue reading on Medium »
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Why RAG is failing your AI agents (and what trust scoring fixes)
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
Why RAG is failing your AI agents (and what trust scoring fixes)
I watched my AI agent waste $5 in API credits yesterday. Continue reading on Medium »
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RAG Explained Without the Jargon
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 3w ago
RAG Explained Without the Jargon
Why AI systems hallucinate, what retrieval-augmented generation actually does, and a three-diagram walkthrough that makes the architecture… Continue reading on
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The Asymmetric Efficiency Manifesto: Why Vector RAG is a Dead End for Corporate Memory
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
The Asymmetric Efficiency Manifesto: Why Vector RAG is a Dead End for Corporate Memory
How we shattered the SOTA memory benchmarks by ditching stochastic vectors for a deterministic graph. Continue reading on Medium »
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The Asymmetric Efficiency Manifesto: Why Vector RAG is a Dead End for Corporate Memory
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
The Asymmetric Efficiency Manifesto: Why Vector RAG is a Dead End for Corporate Memory
How we shattered the SOTA memory benchmarks by ditching stochastic vectors for a deterministic graph. Continue reading on Medium »
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Local RAG: How I Turned My 10-Year PDF Archive into a Private Search Engine
Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
Local RAG: How I Turned My 10-Year PDF Archive into a Private Search Engine
I am a digital hoarder. My “Documents” folder is a graveyard of 2014 tax returns, scanned menus from restaurants that closed during the… Continue reading on Med
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“RAG Is Dead”: Influencer Fearmongering or Fact? The Enterprise Data Says Otherwise.
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
“RAG Is Dead”: Influencer Fearmongering or Fact? The Enterprise Data Says Otherwise.
TL;DR: Karpathy shared a clever personal wiki tool for ~100 documents. The internet declared RAG dead. Enterprise data says the opposite… Continue reading on Me
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“RAG Is Dead”: Influencer Fearmongering or Fact? The Enterprise Data Says Otherwise.
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 4w ago
“RAG Is Dead”: Influencer Fearmongering or Fact? The Enterprise Data Says Otherwise.
TL;DR: Karpathy shared a clever personal wiki tool for ~100 documents. The internet declared RAG dead. Enterprise data says the opposite… Continue reading on Me
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RAG Is Not a Memory System. It’s a Policy Engine.
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG Is Not a Memory System. It’s a Policy Engine.
How to actually use Vector Databases in production AI agent systems Continue reading on Medium »
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Why Running RAG Pipelines on Serverless Functions Was Harder Than I Expected
Dev.to · pythonassignmenthelp.com 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Why Running RAG Pipelines on Serverless Functions Was Harder Than I Expected
You know that feeling when you think you’ve nailed a scalable architecture—only to watch your...
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Secure RAG: Authorisation-Aware Retrieval and Row-Level Security
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Secure RAG: Authorisation-Aware Retrieval and Row-Level Security
How enterprise AI systems prevent unauthorised chunk leakage before it becomes a security incident Continue reading on Medium »
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Secure RAG: Authorisation-Aware Retrieval and Row-Level Security
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Secure RAG: Authorisation-Aware Retrieval and Row-Level Security
How enterprise AI systems prevent unauthorised chunk leakage before it becomes a security incident Continue reading on Medium »
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Production RAG Architecture — Wiring Everything Together
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Production RAG Architecture — Wiring Everything Together
Day 37 of #100DaysOfAgenticAI | By Maneesh Kumar, AI Architect Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG vs Wiki: A Controlled Benchmark Inspired by Andrej Karpathy’s Retrieval Setup
This experiment starts from an idea shared by Andrej Karpathy — the LLM wiki setup. The shift is simple but important: instead of caching… Continue reading on M
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RAG vs GraphRAG: When to Use What (From a Builder’s Perspective)
Dev.to · System Rationale 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
RAG vs GraphRAG: When to Use What (From a Builder’s Perspective)
I wasted time overengineering a GraphRAG system… when a simple RAG pipeline would’ve done the job...
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I built a production RAG pipeline. Here's what most tutorials skip.
Dev.to · Anurag Srivastava 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
I built a production RAG pipeline. Here's what most tutorials skip.
I wanted a RAG system that was fast to run and fast to set up for clients. Upload a PDF, ask...
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Building RAG Pipelines That Actually Work: Lessons from Microsoft Copilot
Dev.to · Nrk Raju Guthikonda 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Building RAG Pipelines That Actually Work: Lessons from Microsoft Copilot
Most RAG tutorials show you the happy path. You chunk a handful of PDFs, toss them into a vector...
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Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Most RAG demos show you the happy path. Upload a clean doc, ask a simple question, get a nice answer. Continue reading on Medium »
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Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Most RAG demos show you the happy path. Upload a clean doc, ask a simple question, get a nice answer. Continue reading on Medium »
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Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Every RAG Framework I Tested Hallucinated. Here’s What Actually Fixed It
Most RAG demos show you the happy path. Upload a clean doc, ask a simple question, get a nice answer. Continue reading on Medium »
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Building an Automated AWS Security Advisor: RAG with AWS Bedrock and OpenSearch Serverless
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Building an Automated AWS Security Advisor: RAG with AWS Bedrock and OpenSearch Serverless
The Problem: Security Posture Debt at Scale Continue reading on AWS Tip »
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Chunking Methods for RAG
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Chunking Methods for RAG
If you’re building a RAG pipeline, chunking is the step that quietly decides whether your retrieval works or doesn’t. We will cover 7… Continue reading on Mediu
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Chunking Methods for RAG
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Chunking Methods for RAG
If you’re building a RAG pipeline, chunking is the step that quietly decides whether your retrieval works or doesn’t. We will cover 7… Continue reading on Mediu
View lesson → + Playlist
Chunking Methods for RAG
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Chunking Methods for RAG
If you’re building a RAG pipeline, chunking is the step that quietly decides whether your retrieval works or doesn’t. We will cover 7… Continue reading on Mediu
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Hands-On Evaluation: Best Vector Database for RAG With Metadata Filtering
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
Hands-On Evaluation: Best Vector Database for RAG With Metadata Filtering
Why Weaviate’s pre-search filtering architecture makes it the strongest default for production RAG pipelines — and why Pinecone’s… Continue reading on Medium »
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