Problem Statement and Metrics
Explore how to formulate the problem statement and design key metrics for personalized feed ranking, focusing on maximizing user engagement. Understand offline and online metrics such as Click Through Rate and Normalized Cross-Entropy. Discover requirements for training, personalization, data freshness, scalability, and latency in large-scale ranking systems.
LinkedIn feed ranking
1. Problem statement
Design a personalized LinkedIn feed to maximize long-term user engagement. One way to measure engagement ...
LinkedIn feed ranking
On the LinkedIn feed, there are five major activity types:
- Connections (A connects with B)
- Informational
- Profile
- Opinion
- Site-specific
- Intuitively different activities have very different
CTR Click Through Rate