Core AI

RAG & Vector Search

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

5,069
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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RAG - Chunking
Dev.to · Ramya Perumal 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG - Chunking
What is chunking Chunking is the process of breaking data into smaller pieces called...
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Integrating Vector Database Connectors for Improved RAG Workflows
Dev.to · AGIorBust 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Integrating Vector Database Connectors for Improved RAG Workflows
Recent updates to AI orchestration platforms have introduced native connectors for popular vector...
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When RAG Is Not Enough: “Searching Semantically” vs “But the Business Needs Proof”
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
When RAG Is Not Enough: “Searching Semantically” vs “But the Business Needs Proof”
The next generation of enterprise AI is expected to do more than retrieve knowledge. It is expected to inspect reality. Continue reading on Medium »
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Building a Production RAG Backend for Enterprise Knowledge Bases: Architecture, Decisions, and…
Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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
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Building a Production RAG Backend for Enterprise Knowledge Bases: Architecture, Decisions, and…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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
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Chunking Strategies: Why How You Split Documents Makes or Breaks Your RAG System
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Chunking Strategies: Why How You Split Documents Makes or Breaks Your RAG System
Advanced RAG Series — Part 2 Part 1 covered RAG fundamentals — what it is, how data flows, and when to use it. This post goes deep on… Continue reading on Mediu
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RAG Radar — Weekly Signals
Medium · Startup 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Radar — Weekly Signals
What 128 Real RAG Discussions Revealed About AI Reliability Continue reading on Medium »
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RAG Radar — Weekly Signals
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Radar — Weekly Signals
What 128 Real RAG Discussions Revealed About AI Reliability Continue reading on Medium »
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RAG Radar — Weekly Signals
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Radar — Weekly Signals
What 128 Real RAG Discussions Revealed About AI Reliability Continue reading on Medium »
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Chunking Strategy: The Most Underrated Part of RAG
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Part 3: Types of RAG
Dev.to · Bhargav Patel 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Part 3: Types of RAG
Now that we understand what RAG is and how the ingestion and retrieval pipeline works, the next...
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Part 2: RAG Architecture: How Retrieval-Augmented Generation Actually Works
Dev.to · Bhargav Patel 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Part 2: RAG Architecture: How Retrieval-Augmented Generation Actually Works
Now that we understand what RAG is and why it is so popular, let’s understand how RAG actually works...
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Beyond Keywords: Mastering HyDE for Smarter Retrieval 🧠
Dev.to · Rushank Savant 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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...
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Beyond Keywords: Mastering HyDE for Smarter Retrieval
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond Keywords: Mastering HyDE for Smarter Retrieval
< Small-to-Big Retrieval Continue reading on Medium »
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Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Vectorless RAG vs every flavour of vector RAG: a head-to-head on real 10-Ks.
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Microsoft 365 Copilot Retrieval API — Part 3— RAG Internal working Indetailed
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Microsoft 365 Copilot Retrieval API — Part 3— RAG Internal working Indetailed
This is the Continution for part 2 — Click here Continue reading on Medium »
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Beyond the Training Cutoff - How RAG Gives AI a Living Memory
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Beyond the Training Cutoff - How RAG Gives AI a Living Memory
You’ve probably used AI tools and noticed it sometimes gets facts wrong, or says it doesn’t know about recent events. That’s because large… Continue reading on
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Day 3 - Chunking - RAG
Dev.to · Indumathi R 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Day 3 - Chunking - RAG
What is chunking ? It is one of the step in RAG pipeline. Dividing a large document into several...
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When Your AI Has Photographic Memory But No Understanding: Designing Curiosity-Driven Knowledge…
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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
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Building a multi-tenant RAG pipeline with Postgres. Part 0: Overview
Dev.to · jasu.dev 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Building a multi-tenant RAG pipeline with Postgres. Part 0: Overview
Today I want to start with a series of articles describing my experience building a multi-tenant RAG...
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Chunking Explained: The Tiny Detail That Makes or Breaks RAG
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Generation 2 — RAG-Augmented Models (2022–2023)
Dev.to · Raghavendra Govindu 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Generation 2 — RAG-Augmented Models (2022–2023)
Generation 2: RAG — The Era of Grounded Knowledge (2022–2023) In the first generation of AI, models...
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Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Most RAG failures don’t crash. They silently return bad answers. I built a repair layer for that.
There’s a specific kind of frustration that comes from watching a RAG pipeline return confident nonsense and having no idea where it went… Continue reading on M
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RAG Evaluation with a Local LLM: Comparing Vector Index and Knowledge Graph
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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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 2mo 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 »
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A comparison of 3 document RAG methods : Google FileSearch, PageIndex and Vector DB
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
A comparison of 3 document RAG methods : Google FileSearch, PageIndex and Vector DB
Document RAG is used to ground the answers generated by an LLM to a given set of documents. Generally these documents will have domain… Continue reading on Medi
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Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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
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When RAG Systems Need Guarantees: Applying Control Theory to Iterative Retrieval
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
When RAG Systems Need Guarantees: Applying Control Theory to Iterative Retrieval
How Lyapunov stability theory can provide formal convergence certificates for multi-hop retrieval — and why this matters for enterprise AI… Continue reading on
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Testing RAG Systems in Practice: How QA Changes When LLMs Enter the Stack
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Testing RAG Systems in Practice: How QA Changes When LLMs Enter the Stack
After spending over three and a half years in software testing-and recently getting hands-on with the RAGAS framework while evaluating… Continue reading on Medi
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Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Your RAG Pipeline Will Collapse at Scale. Here Are Top Production Patterns to Prevent That
By Jayan Nimna AI/ML Engineer Continue reading on Medium »
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Your RAG Pipeline Will Collapse at Scale. Here Are Top Production Patterns to Prevent That
By Jayan Nimna AI/ML Engineer Continue reading on Medium »
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Agentic RAG: The Upgrade Your AI Pipeline Desperately Needs
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Agentic RAG: The Upgrade Your AI Pipeline Desperately Needs
From one-shot retrieval to self-correcting, multi-hop reasoning — a developer’s breakdown in 3 levels Continue reading on Medium »
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Advanced RAG Methods Most Developers Don’t Know (But Should)
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Advanced RAG Methods Most Developers Don’t Know (But Should)
Everyone knows basic RAG. Chunk → embed → retrieve → generate. But real-world production systems demand something much smarter. Here are 7… Continue reading on
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Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Is Blind to Time — I Built a Temporal Layer to Fix It in Production
Three weeks into testing, a learner told me my AI tutor gave her the wrong answer. Not obviously wrong — just outdated enough to mislead. That was the moment I
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How to Build a Python Monitoring System That Detects Embedding Degradation in Production RAG…
Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
How to Build a Python Monitoring System That Detects Embedding Degradation in Production RAG…
Build a production-grade RAG monitoring system with Wasserstein distance, KS testing, anchor queries, and automated drift alerts in Python. Continue reading on
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Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Most RAG Systems Don’t Fail Because Retrieval Is Bad — They Fail Because We Destroyed the Context…
Medium · LLM 🔍 RAG & Vector Search ⚡ AI Lesson 2mo 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 »
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Small-to-Big RAG: Your AI Needs a Better Context
Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Small-to-Big RAG: Your AI Needs a Better Context
< Self Querying Retrieval Continue reading on Medium »
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Small-to-Big RAG: Your AI Needs a Better Context
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Small-to-Big RAG: Your AI Needs a Better Context
< Self Querying Retrieval Continue reading on Medium »
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You're doing RAG wrong
Dev.to · Venkata Manideep Patibandla 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
You're doing RAG wrong
There's a new approach that: cuts corpus size by 40x. reduces tokens per query by 3x. improves vector...
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Building a Cost-Free Composable Retrieval and Intelligent Reranking RAG System with ColBERT…
Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
Building a Cost-Free Composable Retrieval and Intelligent Reranking RAG System with ColBERT…
Build a cost-free Java RAG stack: composable retrieval + 3-stage reranking (ColBERT-inspired, diversity, LLM judge) for trusted answers now. Continue reading on
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ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 2mo ago
Beyond Semantic Similarity: Rethinking Retrieval for Agentic Search via Direct Corpus Interaction
arXiv:2605.05242v1 Announce Type: cross Abstract: Modern retrieval systems, whether lexical or semantic, expose a corpus through a fixed similarity interface th
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ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 2mo ago
Securing the Agent: Vendor-Neutral, Multitenant Enterprise Retrieval and Tool Use
arXiv:2605.05287v1 Announce Type: cross Abstract: Retrieval-Augmented Generation (RAG) and agentic AI systems are increasingly prevalent in enterprise AI deploy
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ArXiv cs.AI 🔍 RAG & Vector Search 📄 Paper ⚡ AI Lesson 2mo ago
LeakDojo: Decoding the Leakage Threats of RAG Systems
arXiv:2605.05818v1 Announce Type: cross Abstract: Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to leverage external knowledge, but
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# How to Build a Beginner-Friendly HR RAG Chatbot with Amazon Bedrock
Dev.to · Brittany 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
# How to Build a Beginner-Friendly HR RAG Chatbot with Amazon Bedrock
Learn how Retrieval-Augmented Generation (RAG) works on AWS using Amazon Bedrock, Knowledge Bases,...
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RAG Ki Neev: Jab Meri RAG Ne Bakwaas Jawab Diya, Toh Dosh LLM Ka Nahi Tha
Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 2mo ago
RAG Ki Neev: Jab Meri RAG Ne Bakwaas Jawab Diya, Toh Dosh LLM Ka Nahi Tha
Har RAG project ka pehla ghanta loaders pe jaata hai — aur aksar yahi decide karta hai ki system production mein tikega ya nahi. Continue reading on Medium »
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