Systems Atlas

Search Engineering Guide

0. How to Read This

1. The Business & Product

2. Understanding the User Query

3. Indexing & Infrastructure

4. Data Foundation

6. Vector & Semantic Search

7. Training Embedding Models

9. UI Layout & Result Display

10. Ads in Search Results

11. Personalization

12. Caching & Performance

13. System Architecture Design

14. Distributed Architecture

15. Evaluation & Metrics

15.1 Offline evaluation
15.2 Online evaluation
15.3 Guardrails
15.4 Why metrics lie
15.5 Debugging

16. Analytics & Feedback

17. LLMs in Search

18. Build from Scratch

19. Case Studies

20. Failure Modes

21. Org Structure

22. Startup Angle

23. Engineer's Mindset

← Back to Portfolio

11. Evaluation & Metrics

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