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# rag

Retrieval augmented generation, or RAG, is an architectural approach that can improve the efficacy of large language model (LLM) applications by leveraging custom data.

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How I caught a silent NaN bug in production RAG, by asking the system to debug itself

How I caught a silent NaN bug in production RAG, by asking the system to debug itself

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6 min read
Measuring RAG vs. Fine-tuning ROI for Agent Knowledge

Measuring RAG vs. Fine-tuning ROI for Agent Knowledge

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9 min read
Stop Wasting Days on RAG Setup: How uv + pyseekdb Cut Your Development Time by 90%

Stop Wasting Days on RAG Setup: How uv + pyseekdb Cut Your Development Time by 90%

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5 min read
Neo4j graph database for GraphRAG, install, Cypher, vectors, ops

Neo4j graph database for GraphRAG, install, Cypher, vectors, ops

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6 min read
From 62% to 94% RAG Accuracy: The 5 Architecture Changes That Actually Moved the Needle

From 62% to 94% RAG Accuracy: The 5 Architecture Changes That Actually Moved the Needle

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8 min read
How Hindsight Turned Repeated Questions Into a Student Profile

How Hindsight Turned Repeated Questions Into a Student Profile

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6 min read
Testing AI: How to Effectively Evaluate LLMs

Testing AI: How to Effectively Evaluate LLMs

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11 min read
70% of Enterprise RAG Deployments Fail Before Production. Here's What Kills Them.

70% of Enterprise RAG Deployments Fail Before Production. Here's What Kills Them.

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7 min read
Why Your AI Cites Real Sources That Never Said That (And the 3-Layer Fix)

Why Your AI Cites Real Sources That Never Said That (And the 3-Layer Fix)

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6 min read
Hierarchical RAG Explained: Knowledge Bases for Long-Term Agents

Hierarchical RAG Explained: Knowledge Bases for Long-Term Agents

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6 min read
I built an AI chat that searches your work tools and cites its sources

I built an AI chat that searches your work tools and cites its sources

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2 min read
Six Things I Wish Someone Had Told Me Before I Started Working Inside AI

Six Things I Wish Someone Had Told Me Before I Started Working Inside AI

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8 min read
I Built a Meeting Intelligence Platform Because I Was Drowning in Context-Switching

I Built a Meeting Intelligence Platform Because I Was Drowning in Context-Switching

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3 min read
Cosine Similarity Failed Our RAG on Exact Terms — BM25 Fixed It

Cosine Similarity Failed Our RAG on Exact Terms — BM25 Fixed It

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6 min read
The Gap Andrej Karpathy Didn't Fill

The Gap Andrej Karpathy Didn't Fill

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5 min read
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