Definition #
ML systems delivering unique content variations based on real-time behavior.
Key Characteristics #
- Multi-armed bandit
- Collaborative filtering
- Contextual bandits
- Privacy-safe
Why It Matters #
Increases conversion rates by 200% (Monetate).
Common Use Cases #
- E-commerce product recommendations
- News feed curation
- Learning path
Examples #
- Dynamic Yield
- Evergage
- Acquia
FAQs #
Q: Cold start?
A: Uses popularity/trending fallbacks until sufficient user data.
Q: GDPR compliance?
A: Anonymous personalization through federated learning.