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What is Cosine Similarity and Top-K in RAG? · RAG for Real-World AI Applications
Lesson 16 of 30 in RAG for Real-World AI Applications. Plus opens every course and every lesson, and new ones as they ship.
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What is Cosine Similarity and Top-K in RAG?
In this lesson, we’ll explore cosine similarity—the metric our app uses to measure how closely a user’s question aligns with document chunks. You’ll learn how cosine similarity works and how it’s implemented in our code. Plus see how top-k retrieval selects the most relevant chunks.
The full notes, transcript and prompts open with Plus.