Book VI · Chapter 3
Retrieval and ranking practice
Choose ranking objectives, correct biased feedback, and defend retrieval, reranking, metrics, and sampling.
Read first: Retrieval foundations
Chapter contents
6 entries · read in order- 01 Learning-to-rank losses and objectives✓ Concept
- 02 Position bias and counterfactual learning to rank✓ Concept
- 03 Negative sampling strategies: what actually matters✓ Question
- 04 Two-tower vs cross-encoder: when to use which?✓ Question
- 05 How would you evaluate a search ranker?✓ Question
- 06 System design case study: personalized search ranking✓ Guide