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Articles 138,662Blog Posts 142,284Tech Tutorials 35,978Research Papers 27,177News 19,467
⚡ AI Lessons

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
2w ago
Your RAG Isn't Hallucinating. Your Retrieval Is Lying.
When RAG gives a wrong answer, everyone blames the LLM. Usually the model was fine — retrieval handed it garbage. Here's how to catch it before users do.

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
3w ago
Building a Self-Healing RAG Pipeline With LangGraph, LangChain, and LLM-as-Judge
RAG systems can confidently generate answers that contradict their own retrieved context, with no errors anywhere to flag it. This article builds a self-healing

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
1mo 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.

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
1mo ago
Your RAG System Might Be Confidently Wrong
Most RAG confidence scores only describe the model output. They do not tell you whether the retrieved index was fresh, whether the source changed after indexing

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
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.

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
1mo ago
What Production-Grade RAG Evaluation Should Look Like
This article argues that evaluating agentic RAG systems requires far more than a single faithfulness score. It explores a production-focused evaluation stack bu

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
1mo ago
What Two Years of Research Have Taught Us About Chunking for RAG
This deep dive argues that chunking is one of the most overlooked determinants of RAG performance. Drawing on recent research from Chroma, Anthropic, Jina AI, a

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
2mo ago
Backpressure, Cancellation, and Channels in WorkIt
A naive RAG pipeline pulls 281 docs to deliver 25. Real backpressure pulls 40. How WorkIt paces the producer to consumer demand in Node.js & TypeScript.

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
2mo ago
Meet the Writer: Hacker Noon's Contributor Vineet Vijay, Lead AI Engineer
Vineet Vijay found 40 K-mismatched vectors silently breaking his RAG system. Here's what he learned, and what he's writing about next.

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
2mo ago
The Real Final Boss of Production-Grade RAG Is the PDF
Standard RAG systems often become hallucination engines because naive PDF parsing destroys document structure. We solved this by implementing layout-aware parti

Hackernoon
🔍 RAG & Vector Search
⚡ AI Lesson
3mo ago
Production RAG: The Five Decisions Behind Every System That Works
This article breaks down the five critical decisions required to build effective RAG systems: whether to use retrieval at all, how to chunk and parse data, how
DeepCamp AI