Building A Large Scale Recommendation System People You May Know
Source
LinkedIn Engineering
Author
LinkedIn Engineering
Date
Terms in this piece · Glossary
inference — Running a trained model to get answers — the phase where AI is actually used, as opposed to trained.
Why it matters
A working blueprint for serving retrieval over billion-item inventories: cheap candidate generation first, expensive models only on a narrowed funnel, and scoring rather than training treated as the real scaling limit.