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Free RAG fundamentals course

Introduction to RAG and Knowledge Assistants

Module 03

Embeddings, Indexes, and Retrieval in Plain English

By the end of this module you can explain embeddings, indexes and retrieval in plain English, and say why semantic similarity is poor at exact constraints like a date or a country.

Units

  1. Unit 03.00: What an embedding actually measures
  2. Unit 03.01: Why similar is not the same as correct
  3. Unit 03.02: Indexes, neighbours, and how many to fetch
  4. Unit 03.03: Filtering before you rank
  5. Unit 03.04: Reading a retrieval result like an analyst

Module work